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Commit | Line | Data |
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ed1f651b | 1 | /* Compiler driver program that can handle many languages. |
9218435e | 2 | Copyright (C) 1987, 1989, 1992, 1993, 1994, 1995, 1996, 1997, 1998, |
12d3e34b TS |
3 | 1999, 2000, 2001, 2002, 2003, 2004, 2005 Free Software Foundation, |
4 | Inc. | |
ed1f651b | 5 | |
1322177d | 6 | This file is part of GCC. |
ed1f651b | 7 | |
1322177d LB |
8 | GCC is free software; you can redistribute it and/or modify it under |
9 | the terms of the GNU General Public License as published by the Free | |
10 | Software Foundation; either version 2, or (at your option) any later | |
11 | version. | |
ed1f651b | 12 | |
1322177d LB |
13 | GCC is distributed in the hope that it will be useful, but WITHOUT ANY |
14 | WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
15 | FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
16 | for more details. | |
ed1f651b RS |
17 | |
18 | You should have received a copy of the GNU General Public License | |
1322177d | 19 | along with GCC; see the file COPYING. If not, write to the Free |
366ccddb KC |
20 | Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA |
21 | 02110-1301, USA. | |
ed1f651b RS |
22 | |
23 | This paragraph is here to try to keep Sun CC from dying. | |
24 | The number of chars here seems crucial!!!! */ | |
25 | ||
26 | /* This program is the user interface to the C compiler and possibly to | |
27 | other compilers. It is used because compilation is a complicated procedure | |
28 | which involves running several programs and passing temporary files between | |
29 | them, forwarding the users switches to those programs selectively, | |
30 | and deleting the temporary files at the end. | |
31 | ||
32 | CC recognizes how to compile each input file by suffixes in the file names. | |
33 | Once it knows which kind of compilation to perform, the procedure for | |
34 | compilation is specified by a string called a "spec". */ | |
c5c76735 | 35 | |
d991c721 BK |
36 | /* A Short Introduction to Adding a Command-Line Option. |
37 | ||
38 | Before adding a command-line option, consider if it is really | |
39 | necessary. Each additional command-line option adds complexity and | |
40 | is difficult to remove in subsequent versions. | |
41 | ||
42 | In the following, consider adding the command-line argument | |
43 | `--bar'. | |
44 | ||
45 | 1. Each command-line option is specified in the specs file. The | |
46 | notation is described below in the comment entitled "The Specs | |
47 | Language". Read it. | |
48 | ||
49 | 2. In this file, add an entry to "option_map" equating the long | |
50 | `--' argument version and any shorter, single letter version. Read | |
51 | the comments in the declaration of "struct option_map" for an | |
52 | explanation. Do not omit the first `-'. | |
53 | ||
54 | 3. Look in the "specs" file to determine which program or option | |
55 | list should be given the argument, e.g., "cc1_options". Add the | |
56 | appropriate syntax for the shorter option version to the | |
57 | corresponding "const char *" entry in this file. Omit the first | |
58 | `-' from the option. For example, use `-bar', rather than `--bar'. | |
59 | ||
60 | 4. If the argument takes an argument, e.g., `--baz argument1', | |
61 | modify either DEFAULT_SWITCH_TAKES_ARG or | |
8ecf5a68 | 62 | DEFAULT_WORD_SWITCH_TAKES_ARG in gcc.h. Omit the first `-' |
d991c721 BK |
63 | from `--baz'. |
64 | ||
65 | 5. Document the option in this file's display_help(). If the | |
66 | option is passed to a subprogram, modify its corresponding | |
67 | function, e.g., cppinit.c:print_help() or toplev.c:display_help(), | |
68 | instead. | |
69 | ||
70 | 6. Compile and test. Make sure that your new specs file is being | |
71 | read. For example, use a debugger to investigate the value of | |
72 | "specs_file" in main(). */ | |
73 | ||
e9a25f70 | 74 | #include "config.h" |
670ee920 | 75 | #include "system.h" |
4977bab6 | 76 | #include "coretypes.h" |
1713a69f | 77 | #include "multilib.h" /* before tm.h */ |
4977bab6 | 78 | #include "tm.h" |
670ee920 | 79 | #include <signal.h> |
798bdf70 BK |
80 | #if ! defined( SIGCHLD ) && defined( SIGCLD ) |
81 | # define SIGCHLD SIGCLD | |
82 | #endif | |
ed5b9f96 | 83 | #include "xregex.h" |
17248a6b | 84 | #include "obstack.h" |
ab87f8c8 | 85 | #include "intl.h" |
460ee112 | 86 | #include "prefix.h" |
9257393c | 87 | #include "gcc.h" |
8a63621f | 88 | #include "flags.h" |
c10d53dd | 89 | |
45936a85 DD |
90 | /* By default there is no special suffix for target executables. */ |
91 | /* FIXME: when autoconf is fixed, remove the host check - dj */ | |
92 | #if defined(TARGET_EXECUTABLE_SUFFIX) && defined(HOST_EXECUTABLE_SUFFIX) | |
93 | #define HAVE_TARGET_EXECUTABLE_SUFFIX | |
ed1f651b | 94 | #endif |
f6ec7e54 | 95 | |
45936a85 DD |
96 | /* By default there is no special suffix for host executables. */ |
97 | #ifdef HOST_EXECUTABLE_SUFFIX | |
98 | #define HAVE_HOST_EXECUTABLE_SUFFIX | |
f70165f6 | 99 | #else |
45936a85 DD |
100 | #define HOST_EXECUTABLE_SUFFIX "" |
101 | #endif | |
102 | ||
103 | /* By default, the suffix for target object files is ".o". */ | |
104 | #ifdef TARGET_OBJECT_SUFFIX | |
105 | #define HAVE_TARGET_OBJECT_SUFFIX | |
106 | #else | |
107 | #define TARGET_OBJECT_SUFFIX ".o" | |
ed7dae04 RK |
108 | #endif |
109 | ||
8b60264b | 110 | static const char dir_separator_str[] = { DIR_SEPARATOR, 0 }; |
48ff801b | 111 | |
512b62fb JM |
112 | /* Most every one is fine with LIBRARY_PATH. For some, it conflicts. */ |
113 | #ifndef LIBRARY_PATH_ENV | |
114 | #define LIBRARY_PATH_ENV "LIBRARY_PATH" | |
115 | #endif | |
116 | ||
956d6950 JL |
117 | #ifndef HAVE_KILL |
118 | #define kill(p,s) raise(s) | |
119 | #endif | |
120 | ||
ed1f651b RS |
121 | /* If a stage of compilation returns an exit status >= 1, |
122 | compilation of that file ceases. */ | |
123 | ||
124 | #define MIN_FATAL_STATUS 1 | |
125 | ||
69927b59 NB |
126 | /* Flag set by cppspec.c to 1. */ |
127 | int is_cpp_driver; | |
128 | ||
14a774a9 RK |
129 | /* Flag saying to pass the greatest exit code returned by a sub-process |
130 | to the calling program. */ | |
131 | static int pass_exit_codes; | |
132 | ||
f5fa9a5b PE |
133 | /* Definition of string containing the arguments given to configure. */ |
134 | #include "configargs.h" | |
135 | ||
2628b9d3 DE |
136 | /* Flag saying to print the directories gcc will search through looking for |
137 | programs, libraries, etc. */ | |
138 | ||
139 | static int print_search_dirs; | |
140 | ||
6a9e290e | 141 | /* Flag saying to print the full filename of this file |
2dcb563f RS |
142 | as found through our usual search mechanism. */ |
143 | ||
878f32c3 | 144 | static const char *print_file_name = NULL; |
6a9e290e | 145 | |
0f41302f | 146 | /* As print_file_name, but search for executable file. */ |
6a9e290e | 147 | |
878f32c3 | 148 | static const char *print_prog_name = NULL; |
2dcb563f | 149 | |
60103a34 DE |
150 | /* Flag saying to print the relative path we'd use to |
151 | find libgcc.a given the current compiler flags. */ | |
152 | ||
153 | static int print_multi_directory; | |
154 | ||
5bbcd587 JJ |
155 | /* Flag saying to print the relative path we'd use to |
156 | find OS libraries given the current compiler flags. */ | |
157 | ||
158 | static int print_multi_os_directory; | |
159 | ||
60103a34 DE |
160 | /* Flag saying to print the list of subdirectories and |
161 | compiler flags used to select them in a standard form. */ | |
162 | ||
163 | static int print_multi_lib; | |
164 | ||
b8468bc7 NC |
165 | /* Flag saying to print the command line options understood by gcc and its |
166 | sub-processes. */ | |
167 | ||
168 | static int print_help_list; | |
169 | ||
ed1f651b RS |
170 | /* Flag indicating whether we should print the command and arguments */ |
171 | ||
172 | static int verbose_flag; | |
173 | ||
99f78cdd IR |
174 | /* Flag indicating whether we should ONLY print the command and |
175 | arguments (like verbose_flag) without executing the command. | |
176 | Displayed arguments are quoted so that the generated command | |
177 | line is suitable for execution. This is intended for use in | |
178 | shell scripts to capture the driver-generated command line. */ | |
179 | static int verbose_only_flag; | |
180 | ||
dc297297 | 181 | /* Flag indicating to print target specific command line options. */ |
91606ce2 CC |
182 | |
183 | static int target_help_flag; | |
184 | ||
03c41c05 ZW |
185 | /* Flag indicating whether we should report subprocess execution times |
186 | (if this is supported by the system - see pexecute.c). */ | |
187 | ||
188 | static int report_times; | |
189 | ||
4977bab6 ZW |
190 | /* Nonzero means place this string before uses of /, so that include |
191 | and library files can be found in an alternate location. */ | |
192 | ||
db720d9a | 193 | #ifdef TARGET_SYSTEM_ROOT |
4977bab6 | 194 | static const char *target_system_root = TARGET_SYSTEM_ROOT; |
db720d9a DJ |
195 | #else |
196 | static const char *target_system_root = 0; | |
197 | #endif | |
4977bab6 | 198 | |
047d636f DJ |
199 | /* Nonzero means pass the updated target_system_root to the compiler. */ |
200 | ||
201 | static int target_system_root_changed; | |
202 | ||
e7f13528 GP |
203 | /* Nonzero means append this string to target_system_root. */ |
204 | ||
205 | static const char *target_sysroot_suffix = 0; | |
206 | ||
207 | /* Nonzero means append this string to target_system_root for headers. */ | |
208 | ||
209 | static const char *target_sysroot_hdrs_suffix = 0; | |
210 | ||
ed1f651b RS |
211 | /* Nonzero means write "temp" files in source directory |
212 | and use the source file's name in them, and don't delete them. */ | |
213 | ||
214 | static int save_temps_flag; | |
215 | ||
0855eab7 CT |
216 | /* Nonzero means pass multiple source files to the compiler at one time. */ |
217 | ||
218 | static int combine_flag = 0; | |
219 | ||
4977bab6 ZW |
220 | /* Nonzero means use pipes to communicate between subprocesses. |
221 | Overridden by either of the above two flags. */ | |
222 | ||
223 | static int use_pipes; | |
224 | ||
53117a2f | 225 | /* The compiler version. */ |
ed1f651b | 226 | |
3b304f5b | 227 | static const char *compiler_version; |
53117a2f RK |
228 | |
229 | /* The target version specified with -V */ | |
230 | ||
37a4aa31 | 231 | static const char *const spec_version = DEFAULT_TARGET_VERSION; |
ed1f651b RS |
232 | |
233 | /* The target machine specified with -b. */ | |
234 | ||
878f32c3 | 235 | static const char *spec_machine = DEFAULT_TARGET_MACHINE; |
ed1f651b | 236 | |
004fd4d5 RS |
237 | /* Nonzero if cross-compiling. |
238 | When -b is used, the value comes from the `specs' file. */ | |
239 | ||
240 | #ifdef CROSS_COMPILE | |
3b304f5b | 241 | static const char *cross_compile = "1"; |
004fd4d5 | 242 | #else |
3b304f5b | 243 | static const char *cross_compile = "0"; |
004fd4d5 RS |
244 | #endif |
245 | ||
dc36ec2c RK |
246 | #ifdef MODIFY_TARGET_NAME |
247 | ||
248 | /* Information on how to alter the target name based on a command-line | |
249 | switch. The only case we support now is simply appending or deleting a | |
250 | string to or from the end of the first part of the configuration name. */ | |
251 | ||
0b5826ac | 252 | static const struct modify_target |
dc36ec2c | 253 | { |
8b60264b KG |
254 | const char *const sw; |
255 | const enum add_del {ADD, DELETE} add_del; | |
256 | const char *const str; | |
dc36ec2c RK |
257 | } |
258 | modify_target[] = MODIFY_TARGET_NAME; | |
259 | #endif | |
589005ff | 260 | |
48fb792a | 261 | /* The number of errors that have occurred; the link phase will not be |
cc2902df | 262 | run if this is nonzero. */ |
48fb792a BK |
263 | static int error_count = 0; |
264 | ||
14a774a9 RK |
265 | /* Greatest exit code of sub-processes that has been encountered up to |
266 | now. */ | |
267 | static int greatest_status = 1; | |
268 | ||
ed1f651b RS |
269 | /* This is the obstack which we use to allocate many strings. */ |
270 | ||
271 | static struct obstack obstack; | |
272 | ||
b3865ca9 | 273 | /* This is the obstack to build an environment variable to pass to |
6dc42e49 | 274 | collect2 that describes all of the relevant switches of what to |
b3865ca9 RS |
275 | pass the compiler in building the list of pointers to constructors |
276 | and destructors. */ | |
277 | ||
278 | static struct obstack collect_obstack; | |
279 | ||
99360286 DE |
280 | /* Forward declaration for prototypes. */ |
281 | struct path_prefix; | |
76391e5a | 282 | struct prefix_list; |
99360286 | 283 | |
1d088dee AJ |
284 | static void init_spec (void); |
285 | static void store_arg (const char *, int, int); | |
286 | static char *load_specs (const char *); | |
287 | static void read_specs (const char *, int); | |
288 | static void set_spec (const char *, const char *); | |
289 | static struct compiler *lookup_compiler (const char *, size_t, const char *); | |
00dcee0c AM |
290 | static char *build_search_list (const struct path_prefix *, const char *, |
291 | bool, bool); | |
292 | static void putenv_from_prefixes (const struct path_prefix *, const char *, | |
293 | bool); | |
1d088dee | 294 | static int access_check (const char *, int); |
00dcee0c | 295 | static char *find_a_file (const struct path_prefix *, const char *, int, bool); |
1d088dee | 296 | static void add_prefix (struct path_prefix *, const char *, const char *, |
1a5d37a1 | 297 | int, int, int); |
1d088dee | 298 | static void add_sysrooted_prefix (struct path_prefix *, const char *, |
1a5d37a1 | 299 | const char *, int, int, int); |
1d088dee AJ |
300 | static void translate_options (int *, const char *const **); |
301 | static char *skip_whitespace (char *); | |
302 | static void delete_if_ordinary (const char *); | |
303 | static void delete_temp_files (void); | |
304 | static void delete_failure_queue (void); | |
305 | static void clear_failure_queue (void); | |
306 | static int check_live_switch (int, int); | |
307 | static const char *handle_braces (const char *); | |
308 | static inline bool input_suffix_matches (const char *, const char *); | |
309 | static inline bool switch_matches (const char *, const char *, int); | |
310 | static inline void mark_matching_switches (const char *, const char *, int); | |
311 | static inline void process_marked_switches (void); | |
312 | static const char *process_brace_body (const char *, const char *, const char *, int, int); | |
313 | static const struct spec_function *lookup_spec_function (const char *); | |
314 | static const char *eval_spec_function (const char *, const char *); | |
315 | static const char *handle_spec_function (const char *); | |
316 | static char *save_string (const char *, int); | |
317 | static void set_collect_gcc_options (void); | |
318 | static int do_spec_1 (const char *, int, const char *); | |
319 | static int do_spec_2 (const char *); | |
320 | static void do_option_spec (const char *, const char *); | |
321 | static void do_self_spec (const char *); | |
322 | static const char *find_file (const char *); | |
00dcee0c | 323 | static int is_directory (const char *, bool); |
1d088dee AJ |
324 | static const char *validate_switches (const char *); |
325 | static void validate_all_switches (void); | |
326 | static inline void validate_switches_from_spec (const char *); | |
327 | static void give_switch (int, int); | |
328 | static int used_arg (const char *, int); | |
329 | static int default_arg (const char *, int); | |
330 | static void set_multilib_dir (void); | |
331 | static void print_multilib_info (void); | |
332 | static void perror_with_name (const char *); | |
1d088dee AJ |
333 | static void notice (const char *, ...) ATTRIBUTE_PRINTF_1; |
334 | static void display_help (void); | |
335 | static void add_preprocessor_option (const char *, int); | |
336 | static void add_assembler_option (const char *, int); | |
337 | static void add_linker_option (const char *, int); | |
e451301f | 338 | static void process_command (int, const char **); |
1d088dee AJ |
339 | static int execute (void); |
340 | static void alloc_args (void); | |
341 | static void clear_args (void); | |
342 | static void fatal_error (int); | |
328163dc | 343 | #if defined(ENABLE_SHARED_LIBGCC) && !defined(REAL_LIBGCC_SPEC) |
1d088dee AJ |
344 | static void init_gcc_specs (struct obstack *, const char *, const char *, |
345 | const char *); | |
6894579f | 346 | #endif |
40cdfca6 | 347 | #if defined(HAVE_TARGET_OBJECT_SUFFIX) || defined(HAVE_TARGET_EXECUTABLE_SUFFIX) |
1d088dee | 348 | static const char *convert_filename (const char *, int, int); |
40cdfca6 | 349 | #endif |
f3226a90 | 350 | |
1d088dee AJ |
351 | static const char *if_exists_spec_function (int, const char **); |
352 | static const char *if_exists_else_spec_function (int, const char **); | |
3dd53121 | 353 | static const char *replace_outfile_spec_function (int, const char **); |
ed5b9f96 | 354 | static const char *version_compare_spec_function (int, const char **); |
ed1f651b | 355 | \f |
d991c721 BK |
356 | /* The Specs Language |
357 | ||
358 | Specs are strings containing lines, each of which (if not blank) | |
ed1f651b RS |
359 | is made up of a program name, and arguments separated by spaces. |
360 | The program name must be exact and start from root, since no path | |
361 | is searched and it is unreliable to depend on the current working directory. | |
362 | Redirection of input or output is not supported; the subprograms must | |
363 | accept filenames saying what files to read and write. | |
364 | ||
365 | In addition, the specs can contain %-sequences to substitute variable text | |
366 | or for conditional text. Here is a table of all defined %-sequences. | |
367 | Note that spaces are not generated automatically around the results of | |
368 | expanding these sequences; therefore, you can concatenate them together | |
369 | or with constant text in a single argument. | |
370 | ||
371 | %% substitute one % into the program name or argument. | |
372 | %i substitute the name of the input file being processed. | |
373 | %b substitute the basename of the input file being processed. | |
374 | This is the substring up to (and not including) the last period | |
375 | and not including the directory. | |
ea414c97 | 376 | %B same as %b, but include the file suffix (text after the last period). |
dd75c292 CB |
377 | %gSUFFIX |
378 | substitute a file name that has suffix SUFFIX and is chosen | |
379 | once per compilation, and mark the argument a la %d. To reduce | |
380 | exposure to denial-of-service attacks, the file name is now | |
381 | chosen in a way that is hard to predict even when previously | |
382 | chosen file names are known. For example, `%g.s ... %g.o ... %g.s' | |
383 | might turn into `ccUVUUAU.s ccXYAXZ12.o ccUVUUAU.s'. SUFFIX matches | |
a92dd235 | 384 | the regexp "[.0-9A-Za-z]*%O"; "%O" is treated exactly as if it |
a1d9074c TT |
385 | had been pre-processed. Previously, %g was simply substituted |
386 | with a file name chosen once per compilation, without regard | |
387 | to any appended suffix (which was therefore treated just like | |
388 | ordinary text), making such attacks more likely to succeed. | |
4977bab6 ZW |
389 | %|SUFFIX |
390 | like %g, but if -pipe is in effect, expands simply to "-". | |
391 | %mSUFFIX | |
392 | like %g, but if -pipe is in effect, expands to nothing. (We have both | |
393 | %| and %m to accommodate differences between system assemblers; see | |
394 | the AS_NEEDS_DASH_FOR_PIPED_INPUT target macro.) | |
dd75c292 CB |
395 | %uSUFFIX |
396 | like %g, but generates a new temporary file name even if %uSUFFIX | |
397 | was already seen. | |
398 | %USUFFIX | |
399 | substitutes the last file name generated with %uSUFFIX, generating a | |
400 | new one if there is no such last file name. In the absence of any | |
401 | %uSUFFIX, this is just like %gSUFFIX, except they don't share | |
402 | the same suffix "space", so `%g.s ... %U.s ... %g.s ... %U.s' | |
403 | would involve the generation of two distinct file names, one | |
404 | for each `%g.s' and another for each `%U.s'. Previously, %U was | |
405 | simply substituted with a file name chosen for the previous %u, | |
406 | without regard to any appended suffix. | |
49009afd JL |
407 | %jSUFFIX |
408 | substitutes the name of the HOST_BIT_BUCKET, if any, and if it is | |
409 | writable, and if save-temps is off; otherwise, substitute the name | |
410 | of a temporary file, just like %u. This temporary file is not | |
411 | meant for communication between processes, but rather as a junk | |
412 | disposal mechanism. | |
11972f66 NS |
413 | %.SUFFIX |
414 | substitutes .SUFFIX for the suffixes of a matched switch's args when | |
415 | it is subsequently output with %*. SUFFIX is terminated by the next | |
416 | space or %. | |
ed1f651b RS |
417 | %d marks the argument containing or following the %d as a |
418 | temporary file name, so that that file will be deleted if CC exits | |
419 | successfully. Unlike %g, this contributes no text to the argument. | |
420 | %w marks the argument containing or following the %w as the | |
421 | "output file" of this compilation. This puts the argument | |
422 | into the sequence of arguments that %o will substitute later. | |
17211ab5 | 423 | %V indicates that this compilation produces no "output file". |
ed1f651b RS |
424 | %W{...} |
425 | like %{...} but mark last argument supplied within | |
426 | as a file to be deleted on failure. | |
427 | %o substitutes the names of all the output files, with spaces | |
428 | automatically placed around them. You should write spaces | |
429 | around the %o as well or the results are undefined. | |
430 | %o is for use in the specs for running the linker. | |
431 | Input files whose names have no recognized suffix are not compiled | |
432 | at all, but they are included among the output files, so they will | |
433 | be linked. | |
dd75c292 | 434 | %O substitutes the suffix for object files. Note that this is |
a1d9074c TT |
435 | handled specially when it immediately follows %g, %u, or %U |
436 | (with or without a suffix argument) because of the need for | |
437 | those to form complete file names. The handling is such that | |
438 | %O is treated exactly as if it had already been substituted, | |
439 | except that %g, %u, and %U do not currently support additional | |
440 | SUFFIX characters following %O as they would following, for | |
441 | example, `.o'. | |
047d636f DJ |
442 | %I Substitute any of -iprefix (made from GCC_EXEC_PREFIX), -isysroot |
443 | (made from TARGET_SYSTEM_ROOT), and -isystem (made from COMPILER_PATH | |
444 | and -B options) as necessary. | |
ed1f651b RS |
445 | %s current argument is the name of a library or startup file of some sort. |
446 | Search for that file in a standard list of directories | |
447 | and substitute the full name found. | |
448 | %eSTR Print STR as an error message. STR is terminated by a newline. | |
449 | Use this when inconsistent options are detected. | |
09da1532 | 450 | %nSTR Print STR as a notice. STR is terminated by a newline. |
ed1f651b RS |
451 | %x{OPTION} Accumulate an option for %X. |
452 | %X Output the accumulated linker options specified by compilations. | |
c9ebacb8 | 453 | %Y Output the accumulated assembler options specified by compilations. |
57cb9b60 | 454 | %Z Output the accumulated preprocessor options specified by compilations. |
ed1f651b RS |
455 | %a process ASM_SPEC as a spec. |
456 | This allows config.h to specify part of the spec for running as. | |
457 | %A process ASM_FINAL_SPEC as a spec. A capital A is actually | |
458 | used here. This can be used to run a post-processor after the | |
9ec36da5 | 459 | assembler has done its job. |
48ff801b | 460 | %D Dump out a -L option for each directory in startfile_prefixes. |
60103a34 | 461 | If multilib_dir is set, extra entries are generated with it affixed. |
ed1f651b RS |
462 | %l process LINK_SPEC as a spec. |
463 | %L process LIB_SPEC as a spec. | |
68d69835 | 464 | %G process LIBGCC_SPEC as a spec. |
380e5ca4 MM |
465 | %R Output the concatenation of target_system_root and |
466 | target_sysroot_suffix. | |
ed1f651b RS |
467 | %S process STARTFILE_SPEC as a spec. A capital S is actually used here. |
468 | %E process ENDFILE_SPEC as a spec. A capital E is actually used here. | |
9db0819e | 469 | %C process CPP_SPEC as a spec. |
ed1f651b RS |
470 | %1 process CC1_SPEC as a spec. |
471 | %2 process CC1PLUS_SPEC as a spec. | |
472 | %* substitute the variable part of a matched option. (See below.) | |
473 | Note that each comma in the substituted string is replaced by | |
474 | a single space. | |
4977bab6 ZW |
475 | %<S remove all occurrences of -S from the command line. |
476 | Note - this command is position dependent. % commands in the | |
477 | spec string before this one will see -S, % commands in the | |
478 | spec string after this one will not. | |
479 | %<S* remove all occurrences of all switches beginning with -S from the | |
480 | command line. | |
f3226a90 JT |
481 | %:function(args) |
482 | Call the named function FUNCTION, passing it ARGS. ARGS is | |
483 | first processed as a nested spec string, then split into an | |
484 | argument vector in the usual fashion. The function returns | |
485 | a string which is processed as if it had appeared literally | |
486 | as part of the current spec. | |
ed1f651b RS |
487 | %{S} substitutes the -S switch, if that switch was given to CC. |
488 | If that switch was not specified, this substitutes nothing. | |
489 | Here S is a metasyntactic variable. | |
490 | %{S*} substitutes all the switches specified to CC whose names start | |
196a37f4 | 491 | with -S. This is used for -o, -I, etc; switches that take |
ed1f651b RS |
492 | arguments. CC considers `-o foo' as being one switch whose |
493 | name starts with `o'. %{o*} would substitute this text, | |
494 | including the space; thus, two arguments would be generated. | |
196a37f4 | 495 | %{S*&T*} likewise, but preserve order of S and T options (the order |
1d088dee AJ |
496 | of S and T in the spec is not significant). Can be any number |
497 | of ampersand-separated variables; for each the wild card is | |
498 | optional. Useful for CPP as %{D*&U*&A*}. | |
4977bab6 ZW |
499 | |
500 | %{S:X} substitutes X, if the -S switch was given to CC. | |
501 | %{!S:X} substitutes X, if the -S switch was NOT given to CC. | |
502 | %{S*:X} substitutes X if one or more switches whose names start | |
503 | with -S was given to CC. Normally X is substituted only | |
504 | once, no matter how many such switches appeared. However, | |
505 | if %* appears somewhere in X, then X will be substituted | |
506 | once for each matching switch, with the %* replaced by the | |
507 | part of that switch that matched the '*'. | |
508 | %{.S:X} substitutes X, if processing a file with suffix S. | |
509 | %{!.S:X} substitutes X, if NOT processing a file with suffix S. | |
510 | ||
511 | %{S|T:X} substitutes X if either -S or -T was given to CC. This may be | |
512 | combined with !, ., and * as above binding stronger than the OR. | |
513 | If %* appears in X, all of the alternatives must be starred, and | |
514 | only the first matching alternative is substituted. | |
515 | %{S:X; if S was given to CC, substitutes X; | |
516 | T:Y; else if T was given to CC, substitutes Y; | |
517 | :D} else substitutes D. There can be as many clauses as you need. | |
518 | This may be combined with ., !, |, and * as above. | |
519 | ||
b3865ca9 | 520 | %(Spec) processes a specification defined in a specs file as *Spec: |
4089dfab | 521 | %[Spec] as above, but put __ around -D arguments |
ed1f651b | 522 | |
4977bab6 | 523 | The conditional text X in a %{S:X} or similar construct may contain |
ed1f651b | 524 | other nested % constructs or spaces, or even newlines. They are |
4977bab6 ZW |
525 | processed as usual, as described above. Trailing white space in X is |
526 | ignored. White space may also appear anywhere on the left side of the | |
527 | colon in these constructs, except between . or * and the corresponding | |
528 | word. | |
ed1f651b | 529 | |
6c396fb5 | 530 | The -O, -f, -m, and -W switches are handled specifically in these |
f5b0eb4e RK |
531 | constructs. If another value of -O or the negated form of a -f, -m, or |
532 | -W switch is found later in the command line, the earlier switch | |
6c396fb5 RK |
533 | value is ignored, except with {S*} where S is just one letter; this |
534 | passes all matching options. | |
f5b0eb4e | 535 | |
9bf09437 RH |
536 | The character | at the beginning of the predicate text is used to indicate |
537 | that a command should be piped to the following command, but only if -pipe | |
538 | is specified. | |
ed1f651b RS |
539 | |
540 | Note that it is built into CC which switches take arguments and which | |
541 | do not. You might think it would be useful to generalize this to | |
542 | allow each compiler's spec to say which switches take arguments. But | |
543 | this cannot be done in a consistent fashion. CC cannot even decide | |
544 | which input files have been specified without knowing which switches | |
545 | take arguments, and it must know which input files to compile in order | |
546 | to tell which compilers to run. | |
547 | ||
548 | CC also knows implicitly that arguments starting in `-l' are to be | |
549 | treated as compiler output files, and passed to the linker in their | |
550 | proper position among the other output files. */ | |
551 | \f | |
0fef3fd0 | 552 | /* Define the macros used for specs %a, %l, %L, %S, %C, %1. */ |
ed1f651b RS |
553 | |
554 | /* config.h can define ASM_SPEC to provide extra args to the assembler | |
555 | or extra switch-translations. */ | |
556 | #ifndef ASM_SPEC | |
557 | #define ASM_SPEC "" | |
558 | #endif | |
559 | ||
560 | /* config.h can define ASM_FINAL_SPEC to run a post processor after | |
561 | the assembler has run. */ | |
562 | #ifndef ASM_FINAL_SPEC | |
563 | #define ASM_FINAL_SPEC "" | |
564 | #endif | |
565 | ||
566 | /* config.h can define CPP_SPEC to provide extra args to the C preprocessor | |
567 | or extra switch-translations. */ | |
568 | #ifndef CPP_SPEC | |
569 | #define CPP_SPEC "" | |
570 | #endif | |
571 | ||
572 | /* config.h can define CC1_SPEC to provide extra args to cc1 and cc1plus | |
573 | or extra switch-translations. */ | |
574 | #ifndef CC1_SPEC | |
575 | #define CC1_SPEC "" | |
576 | #endif | |
577 | ||
578 | /* config.h can define CC1PLUS_SPEC to provide extra args to cc1plus | |
579 | or extra switch-translations. */ | |
580 | #ifndef CC1PLUS_SPEC | |
581 | #define CC1PLUS_SPEC "" | |
582 | #endif | |
583 | ||
584 | /* config.h can define LINK_SPEC to provide extra args to the linker | |
585 | or extra switch-translations. */ | |
586 | #ifndef LINK_SPEC | |
587 | #define LINK_SPEC "" | |
588 | #endif | |
589 | ||
590 | /* config.h can define LIB_SPEC to override the default libraries. */ | |
591 | #ifndef LIB_SPEC | |
68d69835 JM |
592 | #define LIB_SPEC "%{!shared:%{g*:-lg} %{!p:%{!pg:-lc}}%{p:-lc_p}%{pg:-lc_p}}" |
593 | #endif | |
594 | ||
6de9cd9a DN |
595 | /* mudflap specs */ |
596 | #ifndef MFWRAP_SPEC | |
597 | /* XXX: valid only for GNU ld */ | |
598 | /* XXX: should exactly match hooks provided by libmudflap.a */ | |
599 | #define MFWRAP_SPEC " %{static: %{fmudflap|fmudflapth: \ | |
600 | --wrap=malloc --wrap=free --wrap=calloc --wrap=realloc\ | |
601 | --wrap=mmap --wrap=munmap --wrap=alloca\ | |
7544a87f | 602 | } %{fmudflapth: --wrap=pthread_create\ |
6de9cd9a DN |
603 | }} %{fmudflap|fmudflapth: --wrap=main}" |
604 | #endif | |
605 | #ifndef MFLIB_SPEC | |
7904f95f | 606 | #define MFLIB_SPEC "%{fmudflap|fmudflapth: -export-dynamic}" |
6de9cd9a DN |
607 | #endif |
608 | ||
68d69835 JM |
609 | /* config.h can define LIBGCC_SPEC to override how and when libgcc.a is |
610 | included. */ | |
611 | #ifndef LIBGCC_SPEC | |
328163dc MA |
612 | #if defined(REAL_LIBGCC_SPEC) |
613 | #define LIBGCC_SPEC REAL_LIBGCC_SPEC | |
57642751 | 614 | #elif defined(LINK_LIBGCC_SPECIAL_1) |
68d69835 | 615 | /* Have gcc do the search for libgcc.a. */ |
ba2b7435 | 616 | #define LIBGCC_SPEC "libgcc.a%s" |
68d69835 | 617 | #else |
ba2b7435 | 618 | #define LIBGCC_SPEC "-lgcc" |
68d69835 | 619 | #endif |
ed1f651b RS |
620 | #endif |
621 | ||
622 | /* config.h can define STARTFILE_SPEC to override the default crt0 files. */ | |
623 | #ifndef STARTFILE_SPEC | |
624 | #define STARTFILE_SPEC \ | |
adcb8d7d | 625 | "%{!shared:%{pg:gcrt0%O%s}%{!pg:%{p:mcrt0%O%s}%{!p:crt0%O%s}}}" |
ed1f651b RS |
626 | #endif |
627 | ||
bb9da768 RK |
628 | /* config.h can define SWITCHES_NEED_SPACES to control which options |
629 | require spaces between the option and the argument. */ | |
ed1f651b RS |
630 | #ifndef SWITCHES_NEED_SPACES |
631 | #define SWITCHES_NEED_SPACES "" | |
632 | #endif | |
633 | ||
634 | /* config.h can define ENDFILE_SPEC to override the default crtn files. */ | |
635 | #ifndef ENDFILE_SPEC | |
636 | #define ENDFILE_SPEC "" | |
637 | #endif | |
638 | ||
10da1131 BM |
639 | #ifndef LINKER_NAME |
640 | #define LINKER_NAME "collect2" | |
641 | #endif | |
642 | ||
5f0e9ea2 GK |
643 | /* Define ASM_DEBUG_SPEC to be a spec suitable for translating '-g' |
644 | to the assembler. */ | |
645 | #ifndef ASM_DEBUG_SPEC | |
b2ace8a4 JJ |
646 | # if defined(DBX_DEBUGGING_INFO) && defined(DWARF2_DEBUGGING_INFO) \ |
647 | && defined(HAVE_AS_GDWARF2_DEBUG_FLAG) && defined(HAVE_AS_GSTABS_DEBUG_FLAG) | |
648 | # define ASM_DEBUG_SPEC \ | |
8a63621f JJ |
649 | (PREFERRED_DEBUGGING_TYPE == DBX_DEBUG \ |
650 | ? "%{gdwarf-2*:--gdwarf2}%{!gdwarf-2*:%{g*:--gstabs}}" \ | |
651 | : "%{gstabs*:--gstabs}%{!gstabs*:%{g*:--gdwarf2}}") | |
b2ace8a4 JJ |
652 | # else |
653 | # if defined(DBX_DEBUGGING_INFO) && defined(HAVE_AS_GSTABS_DEBUG_FLAG) | |
654 | # define ASM_DEBUG_SPEC "%{g*:--gstabs}" | |
655 | # endif | |
656 | # if defined(DWARF2_DEBUGGING_INFO) && defined(HAVE_AS_GDWARF2_DEBUG_FLAG) | |
657 | # define ASM_DEBUG_SPEC "%{g*:--gdwarf2}" | |
5f0e9ea2 | 658 | # endif |
5f0e9ea2 GK |
659 | # endif |
660 | #endif | |
8a63621f JJ |
661 | #ifndef ASM_DEBUG_SPEC |
662 | # define ASM_DEBUG_SPEC "" | |
663 | #endif | |
5f0e9ea2 | 664 | |
ea414c97 ZW |
665 | /* Here is the spec for running the linker, after compiling all files. */ |
666 | ||
bbd7687d DM |
667 | /* This is overridable by the target in case they need to specify the |
668 | -lgcc and -lc order specially, yet not require them to override all | |
669 | of LINK_COMMAND_SPEC. */ | |
670 | #ifndef LINK_GCC_C_SEQUENCE_SPEC | |
671 | #define LINK_GCC_C_SEQUENCE_SPEC "%G %L %G" | |
672 | #endif | |
673 | ||
77008252 JJ |
674 | #ifndef LINK_SSP_SPEC |
675 | #ifdef TARGET_LIBC_PROVIDES_SSP | |
676 | #define LINK_SSP_SPEC "%{fstack-protector:}" | |
677 | #else | |
ec92bd4b | 678 | #define LINK_SSP_SPEC "%{fstack-protector|fstack-protector-all:-lssp_nonshared -lssp}" |
77008252 JJ |
679 | #endif |
680 | #endif | |
681 | ||
24a4dd31 JJ |
682 | #ifndef LINK_PIE_SPEC |
683 | #ifdef HAVE_LD_PIE | |
684 | #define LINK_PIE_SPEC "%{pie:-pie} " | |
685 | #else | |
686 | #define LINK_PIE_SPEC "%{pie:} " | |
687 | #endif | |
688 | #endif | |
689 | ||
ea414c97 ZW |
690 | /* -u* was put back because both BSD and SysV seem to support it. */ |
691 | /* %{static:} simply prevents an error message if the target machine | |
692 | doesn't handle -static. */ | |
693 | /* We want %{T*} after %{L*} and %D so that it can be used to specify linker | |
694 | scripts which exist in user specified directories, or in standard | |
695 | directories. */ | |
696 | #ifndef LINK_COMMAND_SPEC | |
697 | #define LINK_COMMAND_SPEC "\ | |
698 | %{!fsyntax-only:%{!c:%{!M:%{!MM:%{!E:%{!S:\ | |
24a4dd31 JJ |
699 | %(linker) %l " LINK_PIE_SPEC "%X %{o*} %{A} %{d} %{e*} %{m} %{N} %{n} %{r}\ |
700 | %{s} %{t} %{u*} %{x} %{z} %{Z} %{!A:%{!nostdlib:%{!nostartfiles:%S}}}\ | |
6de9cd9a | 701 | %{static:} %{L*} %(mfwrap) %(link_libgcc) %o %(mflib)\ |
ee4c708e | 702 | %{fprofile-arcs|fprofile-generate|coverage:-lgcov}\ |
ec92bd4b | 703 | %{!nostdlib:%{!nodefaultlibs:%(link_ssp) %(link_gcc_c_sequence)}}\ |
ea414c97 ZW |
704 | %{!A:%{!nostdlib:%{!nostartfiles:%E}}} %{T*} }}}}}}" |
705 | #endif | |
706 | ||
707 | #ifndef LINK_LIBGCC_SPEC | |
57642751 DJ |
708 | /* Generate -L options for startfile prefix list. */ |
709 | # define LINK_LIBGCC_SPEC "%D" | |
ea414c97 ZW |
710 | #endif |
711 | ||
343f59d9 AM |
712 | #ifndef STARTFILE_PREFIX_SPEC |
713 | # define STARTFILE_PREFIX_SPEC "" | |
714 | #endif | |
715 | ||
380e5ca4 MM |
716 | #ifndef SYSROOT_SPEC |
717 | # define SYSROOT_SPEC "--sysroot=%R" | |
718 | #endif | |
719 | ||
e7f13528 GP |
720 | #ifndef SYSROOT_SUFFIX_SPEC |
721 | # define SYSROOT_SUFFIX_SPEC "" | |
722 | #endif | |
723 | ||
724 | #ifndef SYSROOT_HEADERS_SUFFIX_SPEC | |
725 | # define SYSROOT_HEADERS_SUFFIX_SPEC "" | |
726 | #endif | |
727 | ||
81bca2f5 | 728 | static const char *asm_debug; |
3b304f5b | 729 | static const char *cpp_spec = CPP_SPEC; |
3b304f5b ZW |
730 | static const char *cc1_spec = CC1_SPEC; |
731 | static const char *cc1plus_spec = CC1PLUS_SPEC; | |
bbd7687d | 732 | static const char *link_gcc_c_sequence_spec = LINK_GCC_C_SEQUENCE_SPEC; |
77008252 | 733 | static const char *link_ssp_spec = LINK_SSP_SPEC; |
3b304f5b ZW |
734 | static const char *asm_spec = ASM_SPEC; |
735 | static const char *asm_final_spec = ASM_FINAL_SPEC; | |
736 | static const char *link_spec = LINK_SPEC; | |
737 | static const char *lib_spec = LIB_SPEC; | |
6de9cd9a DN |
738 | static const char *mfwrap_spec = MFWRAP_SPEC; |
739 | static const char *mflib_spec = MFLIB_SPEC; | |
3b304f5b ZW |
740 | static const char *libgcc_spec = LIBGCC_SPEC; |
741 | static const char *endfile_spec = ENDFILE_SPEC; | |
742 | static const char *startfile_spec = STARTFILE_SPEC; | |
743 | static const char *switches_need_spaces = SWITCHES_NEED_SPACES; | |
744 | static const char *linker_name_spec = LINKER_NAME; | |
ea414c97 ZW |
745 | static const char *link_command_spec = LINK_COMMAND_SPEC; |
746 | static const char *link_libgcc_spec = LINK_LIBGCC_SPEC; | |
343f59d9 | 747 | static const char *startfile_prefix_spec = STARTFILE_PREFIX_SPEC; |
380e5ca4 | 748 | static const char *sysroot_spec = SYSROOT_SPEC; |
e7f13528 GP |
749 | static const char *sysroot_suffix_spec = SYSROOT_SUFFIX_SPEC; |
750 | static const char *sysroot_hdrs_suffix_spec = SYSROOT_HEADERS_SUFFIX_SPEC; | |
ea414c97 ZW |
751 | |
752 | /* Standard options to cpp, cc1, and as, to reduce duplication in specs. | |
753 | There should be no need to override these in target dependent files, | |
754 | but we need to copy them to the specs file so that newer versions | |
755 | of the GCC driver can correctly drive older tool chains with the | |
756 | appropriate -B options. */ | |
757 | ||
e5f5feea NB |
758 | /* When cpplib handles traditional preprocessing, get rid of this, and |
759 | call cc1 (or cc1obj in objc/lang-specs.h) from the main specs so | |
760 | that we default the front end language better. */ | |
ea414c97 | 761 | static const char *trad_capable_cpp = |
017acb41 | 762 | "cc1 -E %{traditional|ftraditional|traditional-cpp:-traditional-cpp}"; |
ea414c97 | 763 | |
4ca1256f NB |
764 | /* We don't wrap .d files in %W{} since a missing .d file, and |
765 | therefore no dependency entry, confuses make into thinking a .o | |
766 | file that happens to exist is up-to-date. */ | |
ffdeea47 | 767 | static const char *cpp_unique_options = |
cb60f38d | 768 | "%{C|CC:%{!E:%eGCC does not support -C or -CC without -E}}\ |
94d1613b | 769 | %{!Q:-quiet} %{nostdinc*} %{C} %{CC} %{v} %{I*&F*} %{P} %I\ |
4ca1256f NB |
770 | %{MD:-MD %{!o:%b.d}%{o*:%.d%*}}\ |
771 | %{MMD:-MMD %{!o:%b.d}%{o*:%.d%*}}\ | |
772 | %{M} %{MM} %{MF*} %{MG} %{MP} %{MQ*} %{MT*}\ | |
56cd5b95 | 773 | %{!E:%{!M:%{!MM:%{MD|MMD:%{o*:-MQ %*}}}}}\ |
740ca4b2 | 774 | %{remap} %{g3:-dD} %{H} %C %{D*&U*&A*} %{i*} %Z %i\ |
6de9cd9a DN |
775 | %{fmudflap:-D_MUDFLAP -include mf-runtime.h}\ |
776 | %{fmudflapth:-D_MUDFLAP -D_MUDFLAPTH -include mf-runtime.h}\ | |
56cd5b95 | 777 | %{E|M|MM:%W{o*}}"; |
ffdeea47 JJ |
778 | |
779 | /* This contains cpp options which are common with cc1_options and are passed | |
059ba716 CD |
780 | only when preprocessing only to avoid duplication. We pass the cc1 spec |
781 | options to the preprocessor so that it the cc1 spec may manipulate | |
782 | options used to set target flags. Those special target flags settings may | |
783 | in turn cause preprocessor symbols to be defined specially. */ | |
ffdeea47 | 784 | static const char *cpp_options = |
740ca4b2 JM |
785 | "%(cpp_unique_options) %1 %{m*} %{std*&ansi&trigraphs} %{W*&pedantic*} %{w}\ |
786 | %{f*} %{g*:%{!g0:%{!fno-working-directory:-fworking-directory}}} %{O*}\ | |
787 | %{undef} %{save-temps:-fpch-preprocess}"; | |
ea414c97 | 788 | |
8b968bd1 MW |
789 | /* This contains cpp options which are not passed when the preprocessor |
790 | output will be used by another program. */ | |
791 | static const char *cpp_debug_options = "%{d*}"; | |
792 | ||
5a8e2650 | 793 | /* NB: This is shared amongst all front-ends. */ |
ea414c97 ZW |
794 | static const char *cc1_options = |
795 | "%{pg:%{fomit-frame-pointer:%e-pg and -fomit-frame-pointer are incompatible}}\ | |
796 | %1 %{!Q:-quiet} -dumpbase %B %{d*} %{m*} %{a*}\ | |
ab786753 | 797 | %{c|S:%{o*:-auxbase-strip %*}%{!o*:-auxbase %b}}%{!c:%{!S:-auxbase %b}}\ |
740ca4b2 | 798 | %{g*} %{O*} %{W*&pedantic*} %{w} %{std*&ansi&trigraphs}\ |
3df89291 | 799 | %{v:-version} %{pg:-p} %{p} %{f*} %{undef}\ |
c47af4b7 | 800 | %{Qn:-fno-ident} %{--help:--help}\ |
91606ce2 | 801 | %{--target-help:--target-help}\ |
49009afd | 802 | %{!fsyntax-only:%{S:%W{o*}%{!o*:-o %b.s}}}\ |
6de9cd9a | 803 | %{fsyntax-only:-o %j} %{-param*}\ |
ee4c708e BE |
804 | %{fmudflap|fmudflapth:-fno-builtin -fno-merge-constants}\ |
805 | %{coverage:-fprofile-arcs -ftest-coverage}"; | |
ea414c97 ZW |
806 | |
807 | static const char *asm_options = | |
808 | "%a %Y %{c:%W{o*}%{!o*:-o %w%b%O}}%{!c:-o %d%w%u%O}"; | |
ffd86336 | 809 | |
5a8e2650 | 810 | static const char *invoke_as = |
4977bab6 ZW |
811 | #ifdef AS_NEEDS_DASH_FOR_PIPED_INPUT |
812 | "%{!S:-o %|.s |\n as %(asm_options) %|.s %A }"; | |
813 | #else | |
814 | "%{!S:-o %|.s |\n as %(asm_options) %m.s %A }"; | |
815 | #endif | |
5a8e2650 | 816 | |
ffd86336 | 817 | /* Some compilers have limits on line lengths, and the multilib_select |
961b7009 MM |
818 | and/or multilib_matches strings can be very long, so we build them at |
819 | run time. */ | |
ffd86336 | 820 | static struct obstack multilib_obstack; |
3b304f5b ZW |
821 | static const char *multilib_select; |
822 | static const char *multilib_matches; | |
823 | static const char *multilib_defaults; | |
824 | static const char *multilib_exclusions; | |
961b7009 MM |
825 | |
826 | /* Check whether a particular argument is a default argument. */ | |
827 | ||
828 | #ifndef MULTILIB_DEFAULTS | |
829 | #define MULTILIB_DEFAULTS { "" } | |
830 | #endif | |
831 | ||
d25a45d4 | 832 | static const char *const multilib_defaults_raw[] = MULTILIB_DEFAULTS; |
ed1f651b | 833 | |
db36994b RS |
834 | #ifndef DRIVER_SELF_SPECS |
835 | #define DRIVER_SELF_SPECS "" | |
836 | #endif | |
837 | ||
838 | static const char *const driver_self_specs[] = { DRIVER_SELF_SPECS }; | |
839 | ||
7816bea0 DJ |
840 | #ifndef OPTION_DEFAULT_SPECS |
841 | #define OPTION_DEFAULT_SPECS { "", "" } | |
842 | #endif | |
843 | ||
844 | struct default_spec | |
845 | { | |
846 | const char *name; | |
847 | const char *spec; | |
848 | }; | |
849 | ||
850 | static const struct default_spec | |
851 | option_default_specs[] = { OPTION_DEFAULT_SPECS }; | |
852 | ||
3ac63d94 NC |
853 | struct user_specs |
854 | { | |
d9ac3a07 | 855 | struct user_specs *next; |
878f32c3 | 856 | const char *filename; |
d9ac3a07 MM |
857 | }; |
858 | ||
859 | static struct user_specs *user_specs_head, *user_specs_tail; | |
860 | ||
815cf875 RK |
861 | #ifndef SWITCH_TAKES_ARG |
862 | #define SWITCH_TAKES_ARG(CHAR) DEFAULT_SWITCH_TAKES_ARG(CHAR) | |
ed1f651b RS |
863 | #endif |
864 | ||
3b39b94f ILT |
865 | #ifndef WORD_SWITCH_TAKES_ARG |
866 | #define WORD_SWITCH_TAKES_ARG(STR) DEFAULT_WORD_SWITCH_TAKES_ARG (STR) | |
ed1f651b RS |
867 | #endif |
868 | \f | |
45936a85 | 869 | #ifdef HAVE_TARGET_EXECUTABLE_SUFFIX |
88117d44 NC |
870 | /* This defines which switches stop a full compilation. */ |
871 | #define DEFAULT_SWITCH_CURTAILS_COMPILATION(CHAR) \ | |
872 | ((CHAR) == 'c' || (CHAR) == 'S') | |
873 | ||
874 | #ifndef SWITCH_CURTAILS_COMPILATION | |
875 | #define SWITCH_CURTAILS_COMPILATION(CHAR) \ | |
876 | DEFAULT_SWITCH_CURTAILS_COMPILATION(CHAR) | |
877 | #endif | |
878 | #endif | |
879 | ||
ed1f651b RS |
880 | /* Record the mapping from file suffixes for compilation specs. */ |
881 | ||
882 | struct compiler | |
883 | { | |
878f32c3 | 884 | const char *suffix; /* Use this compiler for input files |
ed1f651b | 885 | whose names end in this suffix. */ |
ec32609a | 886 | |
ea414c97 | 887 | const char *spec; /* To use this compiler, run this spec. */ |
a9374841 MM |
888 | |
889 | const char *cpp_spec; /* If non-NULL, substitute this spec | |
890 | for `%C', rather than the usual | |
891 | cpp_spec. */ | |
1ea7e6ad | 892 | const int combinable; /* If nonzero, compiler can deal with |
0855eab7 | 893 | multiple source files at once (IMA). */ |
1ea7e6ad | 894 | const int needs_preprocessing; /* If nonzero, source files need to |
0855eab7 | 895 | be run through a preprocessor. */ |
ed1f651b RS |
896 | }; |
897 | ||
898 | /* Pointer to a vector of `struct compiler' that gives the spec for | |
899 | compiling a file, based on its suffix. | |
900 | A file that does not end in any of these suffixes will be passed | |
901 | unchanged to the loader and nothing else will be done to it. | |
902 | ||
903 | An entry containing two 0s is used to terminate the vector. | |
904 | ||
905 | If multiple entries match a file, the last matching one is used. */ | |
906 | ||
907 | static struct compiler *compilers; | |
908 | ||
909 | /* Number of entries in `compilers', not counting the null terminator. */ | |
910 | ||
911 | static int n_compilers; | |
912 | ||
913 | /* The default list of file name suffixes and their compilation specs. */ | |
914 | ||
5e65297b | 915 | static const struct compiler default_compilers[] = |
ed1f651b | 916 | { |
4689ad58 | 917 | /* Add lists of suffixes of known languages here. If those languages |
e9a25f70 JL |
918 | were not present when we built the driver, we will hit these copies |
919 | and be given a more meaningful error than "file not used since | |
4689ad58 | 920 | linking is not done". */ |
0855eab7 | 921 | {".m", "#Objective-C", 0, 0, 0}, {".mi", "#Objective-C", 0, 0, 0}, |
ad8c162b ZL |
922 | {".mm", "#Objective-C++", 0, 0, 0}, {".M", "#Objective-C++", 0, 0, 0}, |
923 | {".mii", "#Objective-C++", 0, 0, 0}, | |
7904f95f EC |
924 | {".cc", "#C++", 0, 0, 0}, {".cxx", "#C++", 0, 0, 0}, |
925 | {".cpp", "#C++", 0, 0, 0}, {".cp", "#C++", 0, 0, 0}, | |
0855eab7 CT |
926 | {".c++", "#C++", 0, 0, 0}, {".C", "#C++", 0, 0, 0}, |
927 | {".CPP", "#C++", 0, 0, 0}, {".ii", "#C++", 0, 0, 0}, | |
928 | {".ads", "#Ada", 0, 0, 0}, {".adb", "#Ada", 0, 0, 0}, | |
7904f95f | 929 | {".f", "#Fortran", 0, 0, 0}, {".for", "#Fortran", 0, 0, 0}, |
7904f95f | 930 | {".fpp", "#Fortran", 0, 0, 0}, {".F", "#Fortran", 0, 0, 0}, |
0855eab7 | 931 | {".FOR", "#Fortran", 0, 0, 0}, {".FPP", "#Fortran", 0, 0, 0}, |
80a0c50a TS |
932 | {".f90", "#Fortran", 0, 0, 0}, {".f95", "#Fortran", 0, 0, 0}, |
933 | {".F90", "#Fortran", 0, 0, 0}, {".F95", "#Fortran", 0, 0, 0}, | |
0855eab7 CT |
934 | {".r", "#Ratfor", 0, 0, 0}, |
935 | {".p", "#Pascal", 0, 0, 0}, {".pas", "#Pascal", 0, 0, 0}, | |
936 | {".java", "#Java", 0, 0, 0}, {".class", "#Java", 0, 0, 0}, | |
937 | {".zip", "#Java", 0, 0, 0}, {".jar", "#Java", 0, 0, 0}, | |
4689ad58 | 938 | /* Next come the entries for C. */ |
0855eab7 | 939 | {".c", "@c", 0, 1, 1}, |
ed1f651b | 940 | {"@c", |
5a8e2650 | 941 | /* cc1 has an integrated ISO C preprocessor. We should invoke the |
f458d1d5 | 942 | external preprocessor if -save-temps is given. */ |
f749a36b | 943 | "%{E|M|MM:%(trad_capable_cpp) %(cpp_options) %(cpp_debug_options)}\ |
5a8e2650 | 944 | %{!E:%{!M:%{!MM:\ |
f458d1d5 ZW |
945 | %{traditional|ftraditional:\ |
946 | %eGNU C no longer supports -traditional without -E}\ | |
0855eab7 | 947 | %{!combine:\ |
8a035a6b | 948 | %{save-temps|traditional-cpp|no-integrated-cpp:%(trad_capable_cpp) \ |
0de12fcc GK |
949 | %(cpp_options) -o %{save-temps:%b.i} %{!save-temps:%g.i} \n\ |
950 | cc1 -fpreprocessed %{save-temps:%b.i} %{!save-temps:%g.i} \ | |
951 | %(cc1_options)}\ | |
8a035a6b AH |
952 | %{!save-temps:%{!traditional-cpp:%{!no-integrated-cpp:\ |
953 | cc1 %(cpp_unique_options) %(cc1_options)}}}\ | |
0855eab7 CT |
954 | %{!fsyntax-only:%(invoke_as)}} \ |
955 | %{combine:\ | |
956 | %{save-temps|traditional-cpp|no-integrated-cpp:%(trad_capable_cpp) \ | |
957 | %(cpp_options) -o %{save-temps:%b.i} %{!save-temps:%g.i}}\ | |
958 | %{!save-temps:%{!traditional-cpp:%{!no-integrated-cpp:\ | |
959 | cc1 %(cpp_unique_options) %(cc1_options)}}\ | |
960 | %{!fsyntax-only:%(invoke_as)}}}}}}", 0, 1, 1}, | |
ed1f651b | 961 | {"-", |
6ba40dd7 | 962 | "%{!E:%e-E or -x required when input is from standard input}\ |
0855eab7 CT |
963 | %(trad_capable_cpp) %(cpp_options) %(cpp_debug_options)", 0, 0, 0}, |
964 | {".h", "@c-header", 0, 0, 0}, | |
ed1f651b | 965 | {"@c-header", |
17211ab5 GK |
966 | /* cc1 has an integrated ISO C preprocessor. We should invoke the |
967 | external preprocessor if -save-temps is given. */ | |
968 | "%{E|M|MM:%(trad_capable_cpp) %(cpp_options) %(cpp_debug_options)}\ | |
969 | %{!E:%{!M:%{!MM:\ | |
0de12fcc GK |
970 | %{save-temps|traditional-cpp|no-integrated-cpp:%(trad_capable_cpp) \ |
971 | %(cpp_options) -o %{save-temps:%b.i} %{!save-temps:%g.i} \n\ | |
972 | cc1 -fpreprocessed %{save-temps:%b.i} %{!save-temps:%g.i} \ | |
973 | %(cc1_options)\ | |
d8fad4ea | 974 | -o %g.s %{!o*:--output-pch=%i.gch}\ |
17211ab5 | 975 | %W{o*:--output-pch=%*}%V}\ |
0de12fcc | 976 | %{!save-temps:%{!traditional-cpp:%{!no-integrated-cpp:\ |
17211ab5 | 977 | cc1 %(cpp_unique_options) %(cc1_options)\ |
d8fad4ea | 978 | -o %g.s %{!o*:--output-pch=%i.gch}\ |
0855eab7 CT |
979 | %W{o*:--output-pch=%*}%V}}}}}}", 0, 0, 0}, |
980 | {".i", "@cpp-output", 0, 1, 0}, | |
ed1f651b | 981 | {"@cpp-output", |
2a782c52 | 982 | "%{!M:%{!MM:%{!E:cc1 -fpreprocessed %i %(cc1_options) %{!fsyntax-only:%(invoke_as)}}}}", 0, 1, 0}, |
0855eab7 | 983 | {".s", "@assembler", 0, 1, 0}, |
ed1f651b | 984 | {"@assembler", |
0855eab7 CT |
985 | "%{!M:%{!MM:%{!E:%{!S:as %(asm_debug) %(asm_options) %i %A }}}}", 0, 1, 0}, |
986 | {".S", "@assembler-with-cpp", 0, 1, 0}, | |
ed1f651b | 987 | {"@assembler-with-cpp", |
4977bab6 | 988 | #ifdef AS_NEEDS_DASH_FOR_PIPED_INPUT |
5a8e2650 | 989 | "%(trad_capable_cpp) -lang-asm %(cpp_options)\ |
8b968bd1 | 990 | %{E|M|MM:%(cpp_debug_options)}\ |
4977bab6 ZW |
991 | %{!M:%{!MM:%{!E:%{!S:-o %|.s |\n\ |
992 | as %(asm_debug) %(asm_options) %|.s %A }}}}" | |
993 | #else | |
994 | "%(trad_capable_cpp) -lang-asm %(cpp_options)\ | |
995 | %{E|M|MM:%(cpp_debug_options)}\ | |
996 | %{!M:%{!MM:%{!E:%{!S:-o %|.s |\n\ | |
997 | as %(asm_debug) %(asm_options) %m.s %A }}}}" | |
998 | #endif | |
0855eab7 | 999 | , 0, 1, 0}, |
1d088dee | 1000 | |
1346ae41 | 1001 | #include "specs.h" |
f9da5064 | 1002 | /* Mark end of table. */ |
0855eab7 | 1003 | {0, 0, 0, 0, 0} |
ed1f651b RS |
1004 | }; |
1005 | ||
1006 | /* Number of elements in default_compilers, not counting the terminator. */ | |
1007 | ||
ca7558fc | 1008 | static const int n_default_compilers = ARRAY_SIZE (default_compilers) - 1; |
ed1f651b | 1009 | |
ed1f651b | 1010 | /* A vector of options to give to the linker. |
368dfd3a | 1011 | These options are accumulated by %x, |
ed1f651b RS |
1012 | and substituted into the linker command with %X. */ |
1013 | static int n_linker_options; | |
1014 | static char **linker_options; | |
c9ebacb8 RS |
1015 | |
1016 | /* A vector of options to give to the assembler. | |
1017 | These options are accumulated by -Wa, | |
57cb9b60 | 1018 | and substituted into the assembler command with %Y. */ |
c9ebacb8 RS |
1019 | static int n_assembler_options; |
1020 | static char **assembler_options; | |
57cb9b60 JW |
1021 | |
1022 | /* A vector of options to give to the preprocessor. | |
1023 | These options are accumulated by -Wp, | |
1024 | and substituted into the preprocessor command with %Z. */ | |
1025 | static int n_preprocessor_options; | |
1026 | static char **preprocessor_options; | |
ed1f651b | 1027 | \f |
f2faf549 RS |
1028 | /* Define how to map long options into short ones. */ |
1029 | ||
1030 | /* This structure describes one mapping. */ | |
1031 | struct option_map | |
1032 | { | |
1033 | /* The long option's name. */ | |
8b60264b | 1034 | const char *const name; |
f2faf549 | 1035 | /* The equivalent short option. */ |
8b60264b | 1036 | const char *const equivalent; |
f2faf549 RS |
1037 | /* Argument info. A string of flag chars; NULL equals no options. |
1038 | a => argument required. | |
1039 | o => argument optional. | |
1040 | j => join argument to equivalent, making one word. | |
92bd6bdc | 1041 | * => require other text after NAME as an argument. */ |
8b60264b | 1042 | const char *const arg_info; |
f2faf549 RS |
1043 | }; |
1044 | ||
1045 | /* This is the table of mappings. Mappings are tried sequentially | |
1046 | for each option encountered; the first one that matches, wins. */ | |
1047 | ||
8b60264b | 1048 | static const struct option_map option_map[] = |
f2faf549 | 1049 | { |
92bd6bdc RK |
1050 | {"--all-warnings", "-Wall", 0}, |
1051 | {"--ansi", "-ansi", 0}, | |
1052 | {"--assemble", "-S", 0}, | |
1053 | {"--assert", "-A", "a"}, | |
645278bc | 1054 | {"--classpath", "-fclasspath=", "aj"}, |
c26a6db8 PB |
1055 | {"--bootclasspath", "-fbootclasspath=", "aj"}, |
1056 | {"--CLASSPATH", "-fclasspath=", "aj"}, | |
0855eab7 | 1057 | {"--combine", "-combine", 0}, |
92bd6bdc | 1058 | {"--comments", "-C", 0}, |
477cdac7 | 1059 | {"--comments-in-macros", "-CC", 0}, |
f2faf549 | 1060 | {"--compile", "-c", 0}, |
92bd6bdc | 1061 | {"--debug", "-g", "oj"}, |
5a570ade | 1062 | {"--define-macro", "-D", "aj"}, |
92bd6bdc | 1063 | {"--dependencies", "-M", 0}, |
f2faf549 | 1064 | {"--dump", "-d", "a"}, |
92bd6bdc | 1065 | {"--dumpbase", "-dumpbase", "a"}, |
e89f2821 | 1066 | {"--encoding", "-fencoding=", "aj"}, |
f2faf549 | 1067 | {"--entry", "-e", 0}, |
92bd6bdc | 1068 | {"--extra-warnings", "-W", 0}, |
e89f2821 | 1069 | {"--extdirs", "-fextdirs=", "aj"}, |
92bd6bdc RK |
1070 | {"--for-assembler", "-Wa", "a"}, |
1071 | {"--for-linker", "-Xlinker", "a"}, | |
1072 | {"--force-link", "-u", "a"}, | |
ee4c708e | 1073 | {"--coverage", "-coverage", 0}, |
f2faf549 | 1074 | {"--imacros", "-imacros", "a"}, |
92bd6bdc RK |
1075 | {"--include", "-include", "a"}, |
1076 | {"--include-barrier", "-I-", 0}, | |
5a570ade | 1077 | {"--include-directory", "-I", "aj"}, |
f2faf549 | 1078 | {"--include-directory-after", "-idirafter", "a"}, |
92bd6bdc | 1079 | {"--include-prefix", "-iprefix", "a"}, |
f2faf549 | 1080 | {"--include-with-prefix", "-iwithprefix", "a"}, |
8b3d0251 RS |
1081 | {"--include-with-prefix-before", "-iwithprefixbefore", "a"}, |
1082 | {"--include-with-prefix-after", "-iwithprefix", "a"}, | |
92bd6bdc RK |
1083 | {"--language", "-x", "a"}, |
1084 | {"--library-directory", "-L", "a"}, | |
f2faf549 | 1085 | {"--machine", "-m", "aj"}, |
92bd6bdc | 1086 | {"--machine-", "-m", "*j"}, |
8a035a6b | 1087 | {"--no-integrated-cpp", "-no-integrated-cpp", 0}, |
92bd6bdc RK |
1088 | {"--no-line-commands", "-P", 0}, |
1089 | {"--no-precompiled-includes", "-noprecomp", 0}, | |
f2faf549 RS |
1090 | {"--no-standard-includes", "-nostdinc", 0}, |
1091 | {"--no-standard-libraries", "-nostdlib", 0}, | |
f2faf549 | 1092 | {"--no-warnings", "-w", 0}, |
f2faf549 | 1093 | {"--optimize", "-O", "oj"}, |
92bd6bdc | 1094 | {"--output", "-o", "a"}, |
36696297 | 1095 | {"--output-class-directory", "-foutput-class-dir=", "ja"}, |
d991c721 | 1096 | {"--param", "--param", "a"}, |
87a72581 | 1097 | {"--pass-exit-codes", "-pass-exit-codes", 0}, |
f2faf549 RS |
1098 | {"--pedantic", "-pedantic", 0}, |
1099 | {"--pedantic-errors", "-pedantic-errors", 0}, | |
24a4dd31 | 1100 | {"--pie", "-pie", 0}, |
92bd6bdc RK |
1101 | {"--pipe", "-pipe", 0}, |
1102 | {"--prefix", "-B", "a"}, | |
1103 | {"--preprocess", "-E", 0}, | |
2628b9d3 | 1104 | {"--print-search-dirs", "-print-search-dirs", 0}, |
6a9e290e | 1105 | {"--print-file-name", "-print-file-name=", "aj"}, |
92bd6bdc RK |
1106 | {"--print-libgcc-file-name", "-print-libgcc-file-name", 0}, |
1107 | {"--print-missing-file-dependencies", "-MG", 0}, | |
60103a34 DE |
1108 | {"--print-multi-lib", "-print-multi-lib", 0}, |
1109 | {"--print-multi-directory", "-print-multi-directory", 0}, | |
5bbcd587 | 1110 | {"--print-multi-os-directory", "-print-multi-os-directory", 0}, |
92bd6bdc RK |
1111 | {"--print-prog-name", "-print-prog-name=", "aj"}, |
1112 | {"--profile", "-p", 0}, | |
1113 | {"--profile-blocks", "-a", 0}, | |
1114 | {"--quiet", "-q", 0}, | |
50cb2154 | 1115 | {"--resource", "-fcompile-resource=", "aj"}, |
92bd6bdc | 1116 | {"--save-temps", "-save-temps", 0}, |
f2faf549 | 1117 | {"--shared", "-shared", 0}, |
92bd6bdc | 1118 | {"--silent", "-q", 0}, |
d9ac3a07 | 1119 | {"--specs", "-specs=", "aj"}, |
92bd6bdc | 1120 | {"--static", "-static", 0}, |
6f4d7222 | 1121 | {"--std", "-std=", "aj"}, |
f2faf549 | 1122 | {"--symbolic", "-symbolic", 0}, |
7904f95f | 1123 | {"--sysroot", "--sysroot=", "aj"}, |
03c41c05 | 1124 | {"--time", "-time", 0}, |
92bd6bdc RK |
1125 | {"--trace-includes", "-H", 0}, |
1126 | {"--traditional", "-traditional", 0}, | |
1127 | {"--traditional-cpp", "-traditional-cpp", 0}, | |
1128 | {"--trigraphs", "-trigraphs", 0}, | |
5a570ade | 1129 | {"--undefine-macro", "-U", "aj"}, |
92bd6bdc RK |
1130 | {"--user-dependencies", "-MM", 0}, |
1131 | {"--verbose", "-v", 0}, | |
92bd6bdc RK |
1132 | {"--warn-", "-W", "*j"}, |
1133 | {"--write-dependencies", "-MD", 0}, | |
1134 | {"--write-user-dependencies", "-MMD", 0}, | |
f2faf549 RS |
1135 | {"--", "-f", "*j"} |
1136 | }; | |
1137 | \f | |
0259b07a DD |
1138 | |
1139 | #ifdef TARGET_OPTION_TRANSLATE_TABLE | |
8b60264b KG |
1140 | static const struct { |
1141 | const char *const option_found; | |
1142 | const char *const replacements; | |
0259b07a DD |
1143 | } target_option_translations[] = |
1144 | { | |
1145 | TARGET_OPTION_TRANSLATE_TABLE, | |
1146 | { 0, 0 } | |
1147 | }; | |
1148 | #endif | |
1149 | ||
f2faf549 RS |
1150 | /* Translate the options described by *ARGCP and *ARGVP. |
1151 | Make a new vector and store it back in *ARGVP, | |
1152 | and store its length in *ARGVC. */ | |
1153 | ||
1154 | static void | |
1d088dee | 1155 | translate_options (int *argcp, const char *const **argvp) |
f2faf549 | 1156 | { |
e51712db | 1157 | int i; |
f2faf549 | 1158 | int argc = *argcp; |
37620334 | 1159 | const char *const *argv = *argvp; |
0259b07a | 1160 | int newvsize = (argc + 2) * 2 * sizeof (const char *); |
703ad42b | 1161 | const char **newv = xmalloc (newvsize); |
f2faf549 RS |
1162 | int newindex = 0; |
1163 | ||
1164 | i = 0; | |
1165 | newv[newindex++] = argv[i++]; | |
1166 | ||
1167 | while (i < argc) | |
1168 | { | |
0259b07a DD |
1169 | #ifdef TARGET_OPTION_TRANSLATE_TABLE |
1170 | int tott_idx; | |
1171 | ||
1172 | for (tott_idx = 0; | |
1173 | target_option_translations[tott_idx].option_found; | |
1174 | tott_idx++) | |
1175 | { | |
1176 | if (strcmp (target_option_translations[tott_idx].option_found, | |
1177 | argv[i]) == 0) | |
1178 | { | |
1179 | int spaces = 1; | |
1180 | const char *sp; | |
1181 | char *np; | |
1182 | ||
1183 | for (sp = target_option_translations[tott_idx].replacements; | |
1184 | *sp; sp++) | |
1185 | { | |
1186 | if (*sp == ' ') | |
1187 | spaces ++; | |
1188 | } | |
1189 | ||
1190 | newvsize += spaces * sizeof (const char *); | |
703ad42b | 1191 | newv = xrealloc (newv, newvsize); |
0259b07a DD |
1192 | |
1193 | sp = target_option_translations[tott_idx].replacements; | |
cb6edbcb | 1194 | np = xstrdup (sp); |
0259b07a DD |
1195 | |
1196 | while (1) | |
1197 | { | |
1198 | while (*np == ' ') | |
1199 | np++; | |
1200 | if (*np == 0) | |
1201 | break; | |
1202 | newv[newindex++] = np; | |
1203 | while (*np != ' ' && *np) | |
1204 | np++; | |
1205 | if (*np == 0) | |
1206 | break; | |
1207 | *np++ = 0; | |
1208 | } | |
1209 | ||
1210 | i ++; | |
1211 | break; | |
1212 | } | |
1213 | } | |
1214 | if (target_option_translations[tott_idx].option_found) | |
1215 | continue; | |
1216 | #endif | |
1217 | ||
f2faf549 RS |
1218 | /* Translate -- options. */ |
1219 | if (argv[i][0] == '-' && argv[i][1] == '-') | |
1220 | { | |
e51712db | 1221 | size_t j; |
f2faf549 | 1222 | /* Find a mapping that applies to this option. */ |
b6a1cbae | 1223 | for (j = 0; j < ARRAY_SIZE (option_map); j++) |
f2faf549 | 1224 | { |
85066503 MH |
1225 | size_t optlen = strlen (option_map[j].name); |
1226 | size_t arglen = strlen (argv[i]); | |
1227 | size_t complen = arglen > optlen ? optlen : arglen; | |
878f32c3 | 1228 | const char *arginfo = option_map[j].arg_info; |
cc198f10 RS |
1229 | |
1230 | if (arginfo == 0) | |
1231 | arginfo = ""; | |
92bd6bdc | 1232 | |
f2faf549 RS |
1233 | if (!strncmp (argv[i], option_map[j].name, complen)) |
1234 | { | |
878f32c3 | 1235 | const char *arg = 0; |
f2faf549 | 1236 | |
92bd6bdc RK |
1237 | if (arglen < optlen) |
1238 | { | |
e51712db | 1239 | size_t k; |
b6a1cbae | 1240 | for (k = j + 1; k < ARRAY_SIZE (option_map); k++) |
92bd6bdc RK |
1241 | if (strlen (option_map[k].name) >= arglen |
1242 | && !strncmp (argv[i], option_map[k].name, arglen)) | |
1243 | { | |
1f978f5f | 1244 | error ("ambiguous abbreviation %s", argv[i]); |
92bd6bdc RK |
1245 | break; |
1246 | } | |
1247 | ||
b6a1cbae | 1248 | if (k != ARRAY_SIZE (option_map)) |
92bd6bdc RK |
1249 | break; |
1250 | } | |
1251 | ||
1252 | if (arglen > optlen) | |
f2faf549 RS |
1253 | { |
1254 | /* If the option has an argument, accept that. */ | |
1255 | if (argv[i][optlen] == '=') | |
1256 | arg = argv[i] + optlen + 1; | |
92bd6bdc RK |
1257 | |
1258 | /* If this mapping requires extra text at end of name, | |
f2faf549 | 1259 | accept that as "argument". */ |
9473c522 | 1260 | else if (strchr (arginfo, '*') != 0) |
f2faf549 | 1261 | arg = argv[i] + optlen; |
92bd6bdc | 1262 | |
f2faf549 RS |
1263 | /* Otherwise, extra text at end means mismatch. |
1264 | Try other mappings. */ | |
1265 | else | |
1266 | continue; | |
1267 | } | |
92bd6bdc | 1268 | |
9473c522 | 1269 | else if (strchr (arginfo, '*') != 0) |
92bd6bdc | 1270 | { |
9e637a26 | 1271 | error ("incomplete '%s' option", option_map[j].name); |
92bd6bdc RK |
1272 | break; |
1273 | } | |
f2faf549 RS |
1274 | |
1275 | /* Handle arguments. */ | |
9473c522 | 1276 | if (strchr (arginfo, 'a') != 0) |
f2faf549 RS |
1277 | { |
1278 | if (arg == 0) | |
1279 | { | |
1280 | if (i + 1 == argc) | |
92bd6bdc | 1281 | { |
9e637a26 | 1282 | error ("missing argument to '%s' option", |
92bd6bdc RK |
1283 | option_map[j].name); |
1284 | break; | |
1285 | } | |
1286 | ||
f2faf549 RS |
1287 | arg = argv[++i]; |
1288 | } | |
1289 | } | |
9473c522 | 1290 | else if (strchr (arginfo, '*') != 0) |
fff26804 | 1291 | ; |
9473c522 | 1292 | else if (strchr (arginfo, 'o') == 0) |
f2faf549 RS |
1293 | { |
1294 | if (arg != 0) | |
9e637a26 | 1295 | error ("extraneous argument to '%s' option", |
f2faf549 RS |
1296 | option_map[j].name); |
1297 | arg = 0; | |
1298 | } | |
1299 | ||
1300 | /* Store the translation as one argv elt or as two. */ | |
9473c522 | 1301 | if (arg != 0 && strchr (arginfo, 'j') != 0) |
6aa62cff | 1302 | newv[newindex++] = concat (option_map[j].equivalent, arg, |
d4f2852f | 1303 | NULL); |
f2faf549 RS |
1304 | else if (arg != 0) |
1305 | { | |
1306 | newv[newindex++] = option_map[j].equivalent; | |
1307 | newv[newindex++] = arg; | |
1308 | } | |
1309 | else | |
1310 | newv[newindex++] = option_map[j].equivalent; | |
1311 | ||
1312 | break; | |
1313 | } | |
1314 | } | |
1315 | i++; | |
1316 | } | |
92bd6bdc | 1317 | |
f2faf549 RS |
1318 | /* Handle old-fashioned options--just copy them through, |
1319 | with their arguments. */ | |
1320 | else if (argv[i][0] == '-') | |
1321 | { | |
878f32c3 | 1322 | const char *p = argv[i] + 1; |
f2faf549 RS |
1323 | int c = *p; |
1324 | int nskip = 1; | |
1325 | ||
1326 | if (SWITCH_TAKES_ARG (c) > (p[1] != 0)) | |
1327 | nskip += SWITCH_TAKES_ARG (c) - (p[1] != 0); | |
1328 | else if (WORD_SWITCH_TAKES_ARG (p)) | |
1329 | nskip += WORD_SWITCH_TAKES_ARG (p); | |
63826d5b | 1330 | else if ((c == 'B' || c == 'b' || c == 'x') |
fb99c21c JW |
1331 | && p[1] == 0) |
1332 | nskip += 1; | |
1333 | else if (! strcmp (p, "Xlinker")) | |
1334 | nskip += 1; | |
4977bab6 ZW |
1335 | else if (! strcmp (p, "Xpreprocessor")) |
1336 | nskip += 1; | |
1337 | else if (! strcmp (p, "Xassembler")) | |
1338 | nskip += 1; | |
f2faf549 | 1339 | |
e184d694 JW |
1340 | /* Watch out for an option at the end of the command line that |
1341 | is missing arguments, and avoid skipping past the end of the | |
1342 | command line. */ | |
1343 | if (nskip + i > argc) | |
1344 | nskip = argc - i; | |
1345 | ||
f2faf549 RS |
1346 | while (nskip > 0) |
1347 | { | |
1348 | newv[newindex++] = argv[i++]; | |
1349 | nskip--; | |
1350 | } | |
1351 | } | |
1352 | else | |
1353 | /* Ordinary operands, or +e options. */ | |
1354 | newv[newindex++] = argv[i++]; | |
1355 | } | |
1356 | ||
1357 | newv[newindex] = 0; | |
1358 | ||
1359 | *argvp = newv; | |
1360 | *argcp = newindex; | |
1361 | } | |
1362 | \f | |
ed1f651b | 1363 | static char * |
1d088dee | 1364 | skip_whitespace (char *p) |
ed1f651b RS |
1365 | { |
1366 | while (1) | |
1367 | { | |
1368 | /* A fully-blank line is a delimiter in the SPEC file and shouldn't | |
1369 | be considered whitespace. */ | |
1370 | if (p[0] == '\n' && p[1] == '\n' && p[2] == '\n') | |
1371 | return p + 1; | |
1372 | else if (*p == '\n' || *p == ' ' || *p == '\t') | |
1373 | p++; | |
1374 | else if (*p == '#') | |
1375 | { | |
d25a45d4 KH |
1376 | while (*p != '\n') |
1377 | p++; | |
ed1f651b RS |
1378 | p++; |
1379 | } | |
1380 | else | |
1381 | break; | |
1382 | } | |
1383 | ||
1384 | return p; | |
1385 | } | |
2296d164 RK |
1386 | /* Structures to keep track of prefixes to try when looking for files. */ |
1387 | ||
1388 | struct prefix_list | |
1389 | { | |
8060c8ee | 1390 | const char *prefix; /* String to prepend to the path. */ |
2296d164 RK |
1391 | struct prefix_list *next; /* Next in linked list. */ |
1392 | int require_machine_suffix; /* Don't use without machine_suffix. */ | |
1393 | /* 2 means try both machine_suffix and just_machine_suffix. */ | |
5bbcd587 JJ |
1394 | int priority; /* Sort key - priority within list. */ |
1395 | int os_multilib; /* 1 if OS multilib scheme should be used, | |
1396 | 0 for GCC multilib scheme. */ | |
2296d164 RK |
1397 | }; |
1398 | ||
1399 | struct path_prefix | |
1400 | { | |
1401 | struct prefix_list *plist; /* List of prefixes to try */ | |
1402 | int max_len; /* Max length of a prefix in PLIST */ | |
1403 | const char *name; /* Name of this list (used in config stuff) */ | |
1404 | }; | |
1405 | ||
1406 | /* List of prefixes to try when looking for executables. */ | |
1407 | ||
1408 | static struct path_prefix exec_prefixes = { 0, 0, "exec" }; | |
1409 | ||
1410 | /* List of prefixes to try when looking for startup (crt0) files. */ | |
1411 | ||
1412 | static struct path_prefix startfile_prefixes = { 0, 0, "startfile" }; | |
1413 | ||
1414 | /* List of prefixes to try when looking for include files. */ | |
1415 | ||
1416 | static struct path_prefix include_prefixes = { 0, 0, "include" }; | |
1417 | ||
1418 | /* Suffix to attach to directories searched for commands. | |
1419 | This looks like `MACHINE/VERSION/'. */ | |
1420 | ||
1421 | static const char *machine_suffix = 0; | |
1422 | ||
1423 | /* Suffix to attach to directories searched for commands. | |
1424 | This is just `MACHINE/'. */ | |
1425 | ||
1426 | static const char *just_machine_suffix = 0; | |
1427 | ||
1428 | /* Adjusted value of GCC_EXEC_PREFIX envvar. */ | |
1429 | ||
1430 | static const char *gcc_exec_prefix; | |
1431 | ||
a8ee6e2d GK |
1432 | /* Adjusted value of standard_libexec_prefix. */ |
1433 | ||
1434 | static const char *gcc_libexec_prefix; | |
1435 | ||
2296d164 RK |
1436 | /* Default prefixes to attach to command names. */ |
1437 | ||
656c7a3a AL |
1438 | #ifndef STANDARD_STARTFILE_PREFIX_1 |
1439 | #define STANDARD_STARTFILE_PREFIX_1 "/lib/" | |
1440 | #endif | |
1441 | #ifndef STANDARD_STARTFILE_PREFIX_2 | |
1442 | #define STANDARD_STARTFILE_PREFIX_2 "/usr/lib/" | |
1443 | #endif | |
7904f95f | 1444 | |
2296d164 RK |
1445 | #ifdef CROSS_COMPILE /* Don't use these prefixes for a cross compiler. */ |
1446 | #undef MD_EXEC_PREFIX | |
1447 | #undef MD_STARTFILE_PREFIX | |
1448 | #undef MD_STARTFILE_PREFIX_1 | |
1449 | #endif | |
1450 | ||
1451 | /* If no prefixes defined, use the null string, which will disable them. */ | |
1452 | #ifndef MD_EXEC_PREFIX | |
1453 | #define MD_EXEC_PREFIX "" | |
1454 | #endif | |
1455 | #ifndef MD_STARTFILE_PREFIX | |
1456 | #define MD_STARTFILE_PREFIX "" | |
1457 | #endif | |
1458 | #ifndef MD_STARTFILE_PREFIX_1 | |
1459 | #define MD_STARTFILE_PREFIX_1 "" | |
1460 | #endif | |
1461 | ||
27c38fbe | 1462 | static const char *const standard_exec_prefix = STANDARD_EXEC_PREFIX; |
a8ee6e2d GK |
1463 | static const char *const standard_exec_prefix_1 = "/usr/libexec/gcc/"; |
1464 | static const char *const standard_exec_prefix_2 = "/usr/lib/gcc/"; | |
2296d164 RK |
1465 | static const char *md_exec_prefix = MD_EXEC_PREFIX; |
1466 | ||
1467 | static const char *md_startfile_prefix = MD_STARTFILE_PREFIX; | |
1468 | static const char *md_startfile_prefix_1 = MD_STARTFILE_PREFIX_1; | |
27c38fbe | 1469 | static const char *const standard_startfile_prefix = STANDARD_STARTFILE_PREFIX; |
656c7a3a AL |
1470 | static const char *const standard_startfile_prefix_1 |
1471 | = STANDARD_STARTFILE_PREFIX_1; | |
1472 | static const char *const standard_startfile_prefix_2 | |
1473 | = STANDARD_STARTFILE_PREFIX_2; | |
2296d164 | 1474 | |
27c38fbe | 1475 | static const char *const tooldir_base_prefix = TOOLDIR_BASE_PREFIX; |
2296d164 RK |
1476 | static const char *tooldir_prefix; |
1477 | ||
27c38fbe | 1478 | static const char *const standard_bindir_prefix = STANDARD_BINDIR_PREFIX; |
2296d164 | 1479 | |
a8ee6e2d GK |
1480 | static const char *standard_libexec_prefix = STANDARD_LIBEXEC_PREFIX; |
1481 | ||
2296d164 RK |
1482 | /* Subdirectory to use for locating libraries. Set by |
1483 | set_multilib_dir based on the compilation options. */ | |
1484 | ||
1485 | static const char *multilib_dir; | |
5bbcd587 JJ |
1486 | |
1487 | /* Subdirectory to use for locating libraries in OS conventions. Set by | |
1488 | set_multilib_dir based on the compilation options. */ | |
1489 | ||
1490 | static const char *multilib_os_dir; | |
ed1f651b | 1491 | \f |
0f41302f | 1492 | /* Structure to keep track of the specs that have been defined so far. |
4089dfab JL |
1493 | These are accessed using %(specname) or %[specname] in a compiler |
1494 | or link spec. */ | |
ed1f651b RS |
1495 | |
1496 | struct spec_list | |
1497 | { | |
79aff5ac MM |
1498 | /* The following 2 fields must be first */ |
1499 | /* to allow EXTRA_SPECS to be initialized */ | |
3b304f5b ZW |
1500 | const char *name; /* name of the spec. */ |
1501 | const char *ptr; /* available ptr if no static pointer */ | |
79aff5ac MM |
1502 | |
1503 | /* The following fields are not initialized */ | |
1504 | /* by EXTRA_SPECS */ | |
3b304f5b | 1505 | const char **ptr_spec; /* pointer to the spec itself. */ |
79aff5ac MM |
1506 | struct spec_list *next; /* Next spec in linked list. */ |
1507 | int name_len; /* length of the name */ | |
1508 | int alloc_p; /* whether string was allocated */ | |
ed1f651b RS |
1509 | }; |
1510 | ||
79aff5ac | 1511 | #define INIT_STATIC_SPEC(NAME,PTR) \ |
6496a589 | 1512 | { NAME, NULL, PTR, (struct spec_list *) 0, sizeof (NAME) - 1, 0 } |
79aff5ac | 1513 | |
3ac63d94 NC |
1514 | /* List of statically defined specs. */ |
1515 | static struct spec_list static_specs[] = | |
1516 | { | |
79aff5ac | 1517 | INIT_STATIC_SPEC ("asm", &asm_spec), |
5f0e9ea2 | 1518 | INIT_STATIC_SPEC ("asm_debug", &asm_debug), |
79aff5ac | 1519 | INIT_STATIC_SPEC ("asm_final", &asm_final_spec), |
ea414c97 | 1520 | INIT_STATIC_SPEC ("asm_options", &asm_options), |
5a8e2650 | 1521 | INIT_STATIC_SPEC ("invoke_as", &invoke_as), |
79aff5ac | 1522 | INIT_STATIC_SPEC ("cpp", &cpp_spec), |
ea414c97 | 1523 | INIT_STATIC_SPEC ("cpp_options", &cpp_options), |
8b968bd1 | 1524 | INIT_STATIC_SPEC ("cpp_debug_options", &cpp_debug_options), |
ffdeea47 | 1525 | INIT_STATIC_SPEC ("cpp_unique_options", &cpp_unique_options), |
ea414c97 | 1526 | INIT_STATIC_SPEC ("trad_capable_cpp", &trad_capable_cpp), |
79aff5ac | 1527 | INIT_STATIC_SPEC ("cc1", &cc1_spec), |
ea414c97 | 1528 | INIT_STATIC_SPEC ("cc1_options", &cc1_options), |
79aff5ac | 1529 | INIT_STATIC_SPEC ("cc1plus", &cc1plus_spec), |
bbd7687d | 1530 | INIT_STATIC_SPEC ("link_gcc_c_sequence", &link_gcc_c_sequence_spec), |
77008252 | 1531 | INIT_STATIC_SPEC ("link_ssp", &link_ssp_spec), |
79aff5ac MM |
1532 | INIT_STATIC_SPEC ("endfile", &endfile_spec), |
1533 | INIT_STATIC_SPEC ("link", &link_spec), | |
1534 | INIT_STATIC_SPEC ("lib", &lib_spec), | |
6de9cd9a DN |
1535 | INIT_STATIC_SPEC ("mfwrap", &mfwrap_spec), |
1536 | INIT_STATIC_SPEC ("mflib", &mflib_spec), | |
79aff5ac MM |
1537 | INIT_STATIC_SPEC ("libgcc", &libgcc_spec), |
1538 | INIT_STATIC_SPEC ("startfile", &startfile_spec), | |
1539 | INIT_STATIC_SPEC ("switches_need_spaces", &switches_need_spaces), | |
79aff5ac MM |
1540 | INIT_STATIC_SPEC ("cross_compile", &cross_compile), |
1541 | INIT_STATIC_SPEC ("version", &compiler_version), | |
1542 | INIT_STATIC_SPEC ("multilib", &multilib_select), | |
1543 | INIT_STATIC_SPEC ("multilib_defaults", &multilib_defaults), | |
1544 | INIT_STATIC_SPEC ("multilib_extra", &multilib_extra), | |
1545 | INIT_STATIC_SPEC ("multilib_matches", &multilib_matches), | |
0a8d6618 | 1546 | INIT_STATIC_SPEC ("multilib_exclusions", &multilib_exclusions), |
5bbcd587 | 1547 | INIT_STATIC_SPEC ("multilib_options", &multilib_options), |
10da1131 | 1548 | INIT_STATIC_SPEC ("linker", &linker_name_spec), |
ea414c97 | 1549 | INIT_STATIC_SPEC ("link_libgcc", &link_libgcc_spec), |
2296d164 RK |
1550 | INIT_STATIC_SPEC ("md_exec_prefix", &md_exec_prefix), |
1551 | INIT_STATIC_SPEC ("md_startfile_prefix", &md_startfile_prefix), | |
1552 | INIT_STATIC_SPEC ("md_startfile_prefix_1", &md_startfile_prefix_1), | |
343f59d9 | 1553 | INIT_STATIC_SPEC ("startfile_prefix_spec", &startfile_prefix_spec), |
380e5ca4 | 1554 | INIT_STATIC_SPEC ("sysroot_spec", &sysroot_spec), |
e7f13528 GP |
1555 | INIT_STATIC_SPEC ("sysroot_suffix_spec", &sysroot_suffix_spec), |
1556 | INIT_STATIC_SPEC ("sysroot_hdrs_suffix_spec", &sysroot_hdrs_suffix_spec), | |
79aff5ac MM |
1557 | }; |
1558 | ||
1559 | #ifdef EXTRA_SPECS /* additional specs needed */ | |
829245be | 1560 | /* Structure to keep track of just the first two args of a spec_list. |
3ac63d94 | 1561 | That is all that the EXTRA_SPECS macro gives us. */ |
829245be KG |
1562 | struct spec_list_1 |
1563 | { | |
8b60264b KG |
1564 | const char *const name; |
1565 | const char *const ptr; | |
829245be KG |
1566 | }; |
1567 | ||
8b60264b | 1568 | static const struct spec_list_1 extra_specs_1[] = { EXTRA_SPECS }; |
d25a45d4 | 1569 | static struct spec_list *extra_specs = (struct spec_list *) 0; |
79aff5ac MM |
1570 | #endif |
1571 | ||
1572 | /* List of dynamically allocates specs that have been defined so far. */ | |
1573 | ||
9218435e | 1574 | static struct spec_list *specs = (struct spec_list *) 0; |
79aff5ac | 1575 | \f |
f3226a90 JT |
1576 | /* List of static spec functions. */ |
1577 | ||
1578 | static const struct spec_function static_spec_functions[] = | |
1579 | { | |
1580 | { "if-exists", if_exists_spec_function }, | |
152a5a9c | 1581 | { "if-exists-else", if_exists_else_spec_function }, |
3dd53121 | 1582 | { "replace-outfile", replace_outfile_spec_function }, |
ed5b9f96 | 1583 | { "version-compare", version_compare_spec_function }, |
f3226a90 JT |
1584 | { 0, 0 } |
1585 | }; | |
1586 | ||
1587 | static int processing_spec_function; | |
1588 | \f | |
049f6ec9 MM |
1589 | /* Add appropriate libgcc specs to OBSTACK, taking into account |
1590 | various permutations of -shared-libgcc, -shared, and such. */ | |
1591 | ||
328163dc | 1592 | #if defined(ENABLE_SHARED_LIBGCC) && !defined(REAL_LIBGCC_SPEC) |
8efcd34f AM |
1593 | |
1594 | #ifndef USE_LD_AS_NEEDED | |
1595 | #define USE_LD_AS_NEEDED 0 | |
1596 | #endif | |
1597 | ||
049f6ec9 | 1598 | static void |
1d088dee AJ |
1599 | init_gcc_specs (struct obstack *obstack, const char *shared_name, |
1600 | const char *static_name, const char *eh_name) | |
049f6ec9 | 1601 | { |
5c181756 AO |
1602 | char *buf; |
1603 | ||
5e4f1974 AM |
1604 | buf = concat ("%{static|static-libgcc:", static_name, " ", eh_name, "}" |
1605 | "%{!static:%{!static-libgcc:" | |
8efcd34f | 1606 | #if USE_LD_AS_NEEDED |
5e4f1974 AM |
1607 | "%{!shared-libgcc:", |
1608 | static_name, " --as-needed ", shared_name, " --no-as-needed" | |
1609 | "}" | |
1610 | "%{shared-libgcc:", | |
1611 | shared_name, "%{!shared: ", static_name, "}" | |
1612 | "}" | |
765f1bf9 | 1613 | #else |
5e4f1974 AM |
1614 | "%{!shared:" |
1615 | "%{!shared-libgcc:", static_name, " ", eh_name, "}" | |
1616 | "%{shared-libgcc:", shared_name, " ", static_name, "}" | |
1617 | "}" | |
275b60d6 | 1618 | #ifdef LINK_EH_SPEC |
5e4f1974 AM |
1619 | "%{shared:" |
1620 | "%{shared-libgcc:", shared_name, "}" | |
1621 | "%{!shared-libgcc:", static_name, "}" | |
1622 | "}" | |
275b60d6 | 1623 | #else |
5e4f1974 | 1624 | "%{shared:", shared_name, "}" |
765f1bf9 | 1625 | #endif |
275b60d6 | 1626 | #endif |
5e4f1974 | 1627 | "}}", NULL); |
5c181756 AO |
1628 | |
1629 | obstack_grow (obstack, buf, strlen (buf)); | |
1630 | free (buf); | |
049f6ec9 | 1631 | } |
6894579f | 1632 | #endif /* ENABLE_SHARED_LIBGCC */ |
049f6ec9 | 1633 | |
79aff5ac MM |
1634 | /* Initialize the specs lookup routines. */ |
1635 | ||
1636 | static void | |
7e51717c | 1637 | init_spec (void) |
79aff5ac | 1638 | { |
9218435e KH |
1639 | struct spec_list *next = (struct spec_list *) 0; |
1640 | struct spec_list *sl = (struct spec_list *) 0; | |
79aff5ac MM |
1641 | int i; |
1642 | ||
1643 | if (specs) | |
3ac63d94 | 1644 | return; /* Already initialized. */ |
79aff5ac | 1645 | |
20df0482 | 1646 | if (verbose_flag) |
b0287a90 | 1647 | notice ("Using built-in specs.\n"); |
20df0482 | 1648 | |
79aff5ac | 1649 | #ifdef EXTRA_SPECS |
703ad42b KG |
1650 | extra_specs = xcalloc (sizeof (struct spec_list), |
1651 | ARRAY_SIZE (extra_specs_1)); | |
9218435e | 1652 | |
b6a1cbae | 1653 | for (i = ARRAY_SIZE (extra_specs_1) - 1; i >= 0; i--) |
03fc1620 JW |
1654 | { |
1655 | sl = &extra_specs[i]; | |
829245be KG |
1656 | sl->name = extra_specs_1[i].name; |
1657 | sl->ptr = extra_specs_1[i].ptr; | |
03fc1620 JW |
1658 | sl->next = next; |
1659 | sl->name_len = strlen (sl->name); | |
1660 | sl->ptr_spec = &sl->ptr; | |
1661 | next = sl; | |
1662 | } | |
79aff5ac MM |
1663 | #endif |
1664 | ||
81bca2f5 RO |
1665 | /* Initialize here, not in definition. The IRIX 6 O32 cc sometimes chokes |
1666 | on ?: in file-scope variable initializations. */ | |
1667 | asm_debug = ASM_DEBUG_SPEC; | |
1668 | ||
b6a1cbae | 1669 | for (i = ARRAY_SIZE (static_specs) - 1; i >= 0; i--) |
79aff5ac MM |
1670 | { |
1671 | sl = &static_specs[i]; | |
1672 | sl->next = next; | |
1673 | next = sl; | |
1674 | } | |
1675 | ||
328163dc | 1676 | #if defined(ENABLE_SHARED_LIBGCC) && !defined(REAL_LIBGCC_SPEC) |
9db0819e RH |
1677 | /* ??? If neither -shared-libgcc nor --static-libgcc was |
1678 | seen, then we should be making an educated guess. Some proposed | |
1679 | heuristics for ELF include: | |
1680 | ||
1681 | (1) If "-Wl,--export-dynamic", then it's a fair bet that the | |
1682 | program will be doing dynamic loading, which will likely | |
1683 | need the shared libgcc. | |
1684 | ||
1685 | (2) If "-ldl", then it's also a fair bet that we're doing | |
1686 | dynamic loading. | |
1687 | ||
1688 | (3) For each ET_DYN we're linking against (either through -lfoo | |
1689 | or /some/path/foo.so), check to see whether it or one of | |
ff7cc307 | 1690 | its dependencies depends on a shared libgcc. |
9db0819e RH |
1691 | |
1692 | (4) If "-shared" | |
1693 | ||
1694 | If the runtime is fixed to look for program headers instead | |
1695 | of calling __register_frame_info at all, for each object, | |
1696 | use the shared libgcc if any EH symbol referenced. | |
1697 | ||
1698 | If crtstuff is fixed to not invoke __register_frame_info | |
1699 | automatically, for each object, use the shared libgcc if | |
1700 | any non-empty unwind section found. | |
1701 | ||
1702 | Doing any of this probably requires invoking an external program to | |
1703 | do the actual object file scanning. */ | |
1704 | { | |
1705 | const char *p = libgcc_spec; | |
1706 | int in_sep = 1; | |
589005ff | 1707 | |
16757495 | 1708 | /* Transform the extant libgcc_spec into one that uses the shared libgcc |
9db0819e RH |
1709 | when given the proper command line arguments. */ |
1710 | while (*p) | |
1711 | { | |
589005ff | 1712 | if (in_sep && *p == '-' && strncmp (p, "-lgcc", 5) == 0) |
9db0819e | 1713 | { |
049f6ec9 | 1714 | init_gcc_specs (&obstack, |
049f6ec9 | 1715 | "-lgcc_s" |
443728bb L |
1716 | #ifdef USE_LIBUNWIND_EXCEPTIONS |
1717 | " -lunwind" | |
4977bab6 | 1718 | #endif |
348d71c7 JW |
1719 | , |
1720 | "-lgcc", | |
1721 | "-lgcc_eh" | |
4977bab6 | 1722 | #ifdef USE_LIBUNWIND_EXCEPTIONS |
7e9d8517 L |
1723 | # ifdef HAVE_LD_STATIC_DYNAMIC |
1724 | " %{!static:-Bstatic} -lunwind %{!static:-Bdynamic}" | |
1725 | # else | |
4977bab6 | 1726 | " -lunwind" |
7e9d8517 | 1727 | # endif |
9db0819e | 1728 | #endif |
348d71c7 JW |
1729 | ); |
1730 | ||
ba2b7435 | 1731 | p += 5; |
9db0819e RH |
1732 | in_sep = 0; |
1733 | } | |
ba2b7435 | 1734 | else if (in_sep && *p == 'l' && strncmp (p, "libgcc.a%s", 10) == 0) |
9db0819e RH |
1735 | { |
1736 | /* Ug. We don't know shared library extensions. Hope that | |
1737 | systems that use this form don't do shared libraries. */ | |
049f6ec9 | 1738 | init_gcc_specs (&obstack, |
4e8d0554 | 1739 | "-lgcc_s", |
275b60d6 | 1740 | "libgcc.a%s", |
aedec8dd JW |
1741 | "libgcc_eh.a%s" |
1742 | #ifdef USE_LIBUNWIND_EXCEPTIONS | |
1743 | " -lunwind" | |
1744 | #endif | |
1745 | ); | |
ba2b7435 | 1746 | p += 10; |
9db0819e RH |
1747 | in_sep = 0; |
1748 | } | |
1749 | else | |
1750 | { | |
1751 | obstack_1grow (&obstack, *p); | |
1752 | in_sep = (*p == ' '); | |
1753 | p += 1; | |
1754 | } | |
1755 | } | |
1756 | ||
1757 | obstack_1grow (&obstack, '\0'); | |
7973fd2a | 1758 | libgcc_spec = XOBFINISH (&obstack, const char *); |
9db0819e RH |
1759 | } |
1760 | #endif | |
c64688ae RH |
1761 | #ifdef USE_AS_TRADITIONAL_FORMAT |
1762 | /* Prepend "--traditional-format" to whatever asm_spec we had before. */ | |
1763 | { | |
8b60264b | 1764 | static const char tf[] = "--traditional-format "; |
c64688ae RH |
1765 | obstack_grow (&obstack, tf, sizeof(tf) - 1); |
1766 | obstack_grow0 (&obstack, asm_spec, strlen (asm_spec)); | |
7973fd2a | 1767 | asm_spec = XOBFINISH (&obstack, const char *); |
c64688ae RH |
1768 | } |
1769 | #endif | |
275b60d6 JJ |
1770 | #ifdef LINK_EH_SPEC |
1771 | /* Prepend LINK_EH_SPEC to whatever link_spec we had before. */ | |
1772 | obstack_grow (&obstack, LINK_EH_SPEC, sizeof(LINK_EH_SPEC) - 1); | |
1773 | obstack_grow0 (&obstack, link_spec, strlen (link_spec)); | |
7973fd2a | 1774 | link_spec = XOBFINISH (&obstack, const char *); |
275b60d6 | 1775 | #endif |
9db0819e | 1776 | |
79aff5ac MM |
1777 | specs = sl; |
1778 | } | |
ed1f651b RS |
1779 | \f |
1780 | /* Change the value of spec NAME to SPEC. If SPEC is empty, then the spec is | |
1781 | removed; If the spec starts with a + then SPEC is added to the end of the | |
0f41302f | 1782 | current spec. */ |
ed1f651b RS |
1783 | |
1784 | static void | |
1d088dee | 1785 | set_spec (const char *name, const char *spec) |
ed1f651b RS |
1786 | { |
1787 | struct spec_list *sl; | |
3b304f5b | 1788 | const char *old_spec; |
79aff5ac MM |
1789 | int name_len = strlen (name); |
1790 | int i; | |
1791 | ||
3ac63d94 | 1792 | /* If this is the first call, initialize the statically allocated specs. */ |
20df0482 MM |
1793 | if (!specs) |
1794 | { | |
9218435e | 1795 | struct spec_list *next = (struct spec_list *) 0; |
b6a1cbae | 1796 | for (i = ARRAY_SIZE (static_specs) - 1; i >= 0; i--) |
20df0482 MM |
1797 | { |
1798 | sl = &static_specs[i]; | |
1799 | sl->next = next; | |
1800 | next = sl; | |
1801 | } | |
1802 | specs = sl; | |
1803 | } | |
1804 | ||
3ac63d94 | 1805 | /* See if the spec already exists. */ |
ed1f651b | 1806 | for (sl = specs; sl; sl = sl->next) |
79aff5ac | 1807 | if (name_len == sl->name_len && !strcmp (sl->name, name)) |
ed1f651b RS |
1808 | break; |
1809 | ||
1810 | if (!sl) | |
1811 | { | |
3ac63d94 | 1812 | /* Not found - make it. */ |
703ad42b | 1813 | sl = xmalloc (sizeof (struct spec_list)); |
ad85216e | 1814 | sl->name = xstrdup (name); |
79aff5ac MM |
1815 | sl->name_len = name_len; |
1816 | sl->ptr_spec = &sl->ptr; | |
1817 | sl->alloc_p = 0; | |
1818 | *(sl->ptr_spec) = ""; | |
ed1f651b RS |
1819 | sl->next = specs; |
1820 | specs = sl; | |
1821 | } | |
1822 | ||
79aff5ac | 1823 | old_spec = *(sl->ptr_spec); |
e51712db | 1824 | *(sl->ptr_spec) = ((spec[0] == '+' && ISSPACE ((unsigned char)spec[1])) |
d4f2852f | 1825 | ? concat (old_spec, spec + 1, NULL) |
ad85216e | 1826 | : xstrdup (spec)); |
841faeed | 1827 | |
20df0482 MM |
1828 | #ifdef DEBUG_SPECS |
1829 | if (verbose_flag) | |
ab87f8c8 | 1830 | notice ("Setting spec %s to '%s'\n\n", name, *(sl->ptr_spec)); |
20df0482 MM |
1831 | #endif |
1832 | ||
3ac63d94 | 1833 | /* Free the old spec. */ |
79aff5ac | 1834 | if (old_spec && sl->alloc_p) |
fad205ff | 1835 | free ((void *) old_spec); |
79aff5ac MM |
1836 | |
1837 | sl->alloc_p = 1; | |
ed1f651b RS |
1838 | } |
1839 | \f | |
1840 | /* Accumulate a command (program name and args), and run it. */ | |
1841 | ||
1842 | /* Vector of pointers to arguments in the current line of specifications. */ | |
1843 | ||
fbd40359 | 1844 | static const char **argbuf; |
ed1f651b RS |
1845 | |
1846 | /* Number of elements allocated in argbuf. */ | |
1847 | ||
1848 | static int argbuf_length; | |
1849 | ||
1850 | /* Number of elements in argbuf currently in use (containing args). */ | |
1851 | ||
1852 | static int argbuf_index; | |
1853 | ||
0855eab7 CT |
1854 | /* Position in the argbuf array containing the name of the output file |
1855 | (the value associated with the "-o" flag). */ | |
1856 | ||
1857 | static int have_o_argbuf_index = 0; | |
1858 | ||
af41c57d AP |
1859 | /* Were the options -c or -S passed. */ |
1860 | static int have_c = 0; | |
1861 | ||
1862 | /* Was the option -o passed. */ | |
1863 | static int have_o = 0; | |
1864 | ||
49009afd JL |
1865 | /* This is the list of suffixes and codes (%g/%u/%U/%j) and the associated |
1866 | temp file. If the HOST_BIT_BUCKET is used for %j, no entry is made for | |
1867 | it here. */ | |
fb266030 TW |
1868 | |
1869 | static struct temp_name { | |
878f32c3 | 1870 | const char *suffix; /* suffix associated with the code. */ |
fb266030 TW |
1871 | int length; /* strlen (suffix). */ |
1872 | int unique; /* Indicates whether %g or %u/%U was used. */ | |
878f32c3 | 1873 | const char *filename; /* associated filename. */ |
fb266030 TW |
1874 | int filename_length; /* strlen (filename). */ |
1875 | struct temp_name *next; | |
1876 | } *temp_names; | |
39d45901 | 1877 | |
ed1f651b RS |
1878 | /* Number of commands executed so far. */ |
1879 | ||
1880 | static int execution_count; | |
1881 | ||
3b9b4d3f RS |
1882 | /* Number of commands that exited with a signal. */ |
1883 | ||
1884 | static int signal_count; | |
1885 | ||
ed1f651b RS |
1886 | /* Name with which this program was invoked. */ |
1887 | ||
878f32c3 | 1888 | static const char *programname; |
ed1f651b | 1889 | \f |
f3226a90 JT |
1890 | /* Allocate the argument vector. */ |
1891 | ||
1892 | static void | |
7e51717c | 1893 | alloc_args (void) |
f3226a90 JT |
1894 | { |
1895 | argbuf_length = 10; | |
703ad42b | 1896 | argbuf = xmalloc (argbuf_length * sizeof (const char *)); |
f3226a90 JT |
1897 | } |
1898 | ||
ed1f651b RS |
1899 | /* Clear out the vector of arguments (after a command is executed). */ |
1900 | ||
1901 | static void | |
1d088dee | 1902 | clear_args (void) |
ed1f651b RS |
1903 | { |
1904 | argbuf_index = 0; | |
1905 | } | |
1906 | ||
1907 | /* Add one argument to the vector at the end. | |
1908 | This is done when a space is seen or at the end of the line. | |
1909 | If DELETE_ALWAYS is nonzero, the arg is a filename | |
1910 | and the file should be deleted eventually. | |
1911 | If DELETE_FAILURE is nonzero, the arg is a filename | |
1912 | and the file should be deleted if this compilation fails. */ | |
1913 | ||
1914 | static void | |
1d088dee | 1915 | store_arg (const char *arg, int delete_always, int delete_failure) |
ed1f651b RS |
1916 | { |
1917 | if (argbuf_index + 1 == argbuf_length) | |
703ad42b | 1918 | argbuf = xrealloc (argbuf, (argbuf_length *= 2) * sizeof (const char *)); |
ed1f651b RS |
1919 | |
1920 | argbuf[argbuf_index++] = arg; | |
1921 | argbuf[argbuf_index] = 0; | |
1922 | ||
0855eab7 CT |
1923 | if (strcmp (arg, "-o") == 0) |
1924 | have_o_argbuf_index = argbuf_index; | |
ed1f651b RS |
1925 | if (delete_always || delete_failure) |
1926 | record_temp_file (arg, delete_always, delete_failure); | |
1927 | } | |
1928 | \f | |
ff7cc307 | 1929 | /* Load specs from a file name named FILENAME, replacing occurrences of |
9218435e | 1930 | various different types of line-endings, \r\n, \n\r and just \r, with |
b633b6c0 | 1931 | a single \n. */ |
20df0482 | 1932 | |
d25a45d4 | 1933 | static char * |
1d088dee | 1934 | load_specs (const char *filename) |
20df0482 MM |
1935 | { |
1936 | int desc; | |
1937 | int readlen; | |
1938 | struct stat statbuf; | |
1939 | char *buffer; | |
b633b6c0 MK |
1940 | char *buffer_p; |
1941 | char *specs; | |
1942 | char *specs_p; | |
20df0482 MM |
1943 | |
1944 | if (verbose_flag) | |
ab87f8c8 | 1945 | notice ("Reading specs from %s\n", filename); |
20df0482 MM |
1946 | |
1947 | /* Open and stat the file. */ | |
1948 | desc = open (filename, O_RDONLY, 0); | |
1949 | if (desc < 0) | |
1950 | pfatal_with_name (filename); | |
1951 | if (stat (filename, &statbuf) < 0) | |
1952 | pfatal_with_name (filename); | |
1953 | ||
1954 | /* Read contents of file into BUFFER. */ | |
1955 | buffer = xmalloc ((unsigned) statbuf.st_size + 1); | |
1956 | readlen = read (desc, buffer, (unsigned) statbuf.st_size); | |
1957 | if (readlen < 0) | |
1958 | pfatal_with_name (filename); | |
1959 | buffer[readlen] = 0; | |
1960 | close (desc); | |
1961 | ||
b633b6c0 MK |
1962 | specs = xmalloc (readlen + 1); |
1963 | specs_p = specs; | |
1964 | for (buffer_p = buffer; buffer_p && *buffer_p; buffer_p++) | |
1965 | { | |
1966 | int skip = 0; | |
1967 | char c = *buffer_p; | |
1968 | if (c == '\r') | |
d25a45d4 KH |
1969 | { |
1970 | if (buffer_p > buffer && *(buffer_p - 1) == '\n') /* \n\r */ | |
b633b6c0 | 1971 | skip = 1; |
d25a45d4 | 1972 | else if (*(buffer_p + 1) == '\n') /* \r\n */ |
b633b6c0 MK |
1973 | skip = 1; |
1974 | else /* \r */ | |
1975 | c = '\n'; | |
1976 | } | |
1977 | if (! skip) | |
1978 | *specs_p++ = c; | |
1979 | } | |
1980 | *specs_p = '\0'; | |
1981 | ||
1982 | free (buffer); | |
1983 | return (specs); | |
1984 | } | |
1985 | ||
1986 | /* Read compilation specs from a file named FILENAME, | |
1987 | replacing the default ones. | |
1988 | ||
1989 | A suffix which starts with `*' is a definition for | |
1990 | one of the machine-specific sub-specs. The "suffix" should be | |
0fef3fd0 | 1991 | *asm, *cc1, *cpp, *link, *startfile, etc. |
b633b6c0 MK |
1992 | The corresponding spec is stored in asm_spec, etc., |
1993 | rather than in the `compilers' vector. | |
1994 | ||
1995 | Anything invalid in the file is a fatal error. */ | |
1996 | ||
1997 | static void | |
1d088dee | 1998 | read_specs (const char *filename, int main_p) |
b633b6c0 MK |
1999 | { |
2000 | char *buffer; | |
b3694847 | 2001 | char *p; |
b633b6c0 MK |
2002 | |
2003 | buffer = load_specs (filename); | |
2004 | ||
20df0482 MM |
2005 | /* Scan BUFFER for specs, putting them in the vector. */ |
2006 | p = buffer; | |
2007 | while (1) | |
2008 | { | |
2009 | char *suffix; | |
2010 | char *spec; | |
2011 | char *in, *out, *p1, *p2, *p3; | |
2012 | ||
2013 | /* Advance P in BUFFER to the next nonblank nocomment line. */ | |
2014 | p = skip_whitespace (p); | |
2015 | if (*p == 0) | |
2016 | break; | |
2017 | ||
2018 | /* Is this a special command that starts with '%'? */ | |
2019 | /* Don't allow this for the main specs file, since it would | |
2020 | encourage people to overwrite it. */ | |
2021 | if (*p == '%' && !main_p) | |
2022 | { | |
2023 | p1 = p; | |
e9a25f70 JL |
2024 | while (*p && *p != '\n') |
2025 | p++; | |
2026 | ||
d25a45d4 KH |
2027 | /* Skip '\n'. */ |
2028 | p++; | |
20df0482 | 2029 | |
d25a45d4 | 2030 | if (!strncmp (p1, "%include", sizeof ("%include") - 1) |
e9a25f70 JL |
2031 | && (p1[sizeof "%include" - 1] == ' ' |
2032 | || p1[sizeof "%include" - 1] == '\t')) | |
20df0482 MM |
2033 | { |
2034 | char *new_filename; | |
2035 | ||
2036 | p1 += sizeof ("%include"); | |
e9a25f70 JL |
2037 | while (*p1 == ' ' || *p1 == '\t') |
2038 | p1++; | |
20df0482 MM |
2039 | |
2040 | if (*p1++ != '<' || p[-2] != '>') | |
22d9f2cf KG |
2041 | fatal ("specs %%include syntax malformed after %ld characters", |
2042 | (long) (p1 - buffer + 1)); | |
20df0482 MM |
2043 | |
2044 | p[-2] = '\0'; | |
00dcee0c | 2045 | new_filename = find_a_file (&startfile_prefixes, p1, R_OK, true); |
20df0482 MM |
2046 | read_specs (new_filename ? new_filename : p1, FALSE); |
2047 | continue; | |
2048 | } | |
e9a25f70 JL |
2049 | else if (!strncmp (p1, "%include_noerr", sizeof "%include_noerr" - 1) |
2050 | && (p1[sizeof "%include_noerr" - 1] == ' ' | |
2051 | || p1[sizeof "%include_noerr" - 1] == '\t')) | |
20df0482 MM |
2052 | { |
2053 | char *new_filename; | |
2054 | ||
e9a25f70 | 2055 | p1 += sizeof "%include_noerr"; |
d25a45d4 KH |
2056 | while (*p1 == ' ' || *p1 == '\t') |
2057 | p1++; | |
20df0482 MM |
2058 | |
2059 | if (*p1++ != '<' || p[-2] != '>') | |
22d9f2cf KG |
2060 | fatal ("specs %%include syntax malformed after %ld characters", |
2061 | (long) (p1 - buffer + 1)); | |
20df0482 MM |
2062 | |
2063 | p[-2] = '\0'; | |
00dcee0c | 2064 | new_filename = find_a_file (&startfile_prefixes, p1, R_OK, true); |
20df0482 MM |
2065 | if (new_filename) |
2066 | read_specs (new_filename, FALSE); | |
2067 | else if (verbose_flag) | |
c725bd79 | 2068 | notice ("could not find specs file %s\n", p1); |
20df0482 MM |
2069 | continue; |
2070 | } | |
e9a25f70 JL |
2071 | else if (!strncmp (p1, "%rename", sizeof "%rename" - 1) |
2072 | && (p1[sizeof "%rename" - 1] == ' ' | |
2073 | || p1[sizeof "%rename" - 1] == '\t')) | |
20df0482 MM |
2074 | { |
2075 | int name_len; | |
2076 | struct spec_list *sl; | |
169ce44d | 2077 | struct spec_list *newsl; |
20df0482 | 2078 | |
169ce44d | 2079 | /* Get original name. */ |
e9a25f70 JL |
2080 | p1 += sizeof "%rename"; |
2081 | while (*p1 == ' ' || *p1 == '\t') | |
2082 | p1++; | |
2083 | ||
9218435e | 2084 | if (! ISALPHA ((unsigned char) *p1)) |
22d9f2cf KG |
2085 | fatal ("specs %%rename syntax malformed after %ld characters", |
2086 | (long) (p1 - buffer)); | |
20df0482 MM |
2087 | |
2088 | p2 = p1; | |
9218435e | 2089 | while (*p2 && !ISSPACE ((unsigned char) *p2)) |
e9a25f70 JL |
2090 | p2++; |
2091 | ||
20df0482 | 2092 | if (*p2 != ' ' && *p2 != '\t') |
22d9f2cf KG |
2093 | fatal ("specs %%rename syntax malformed after %ld characters", |
2094 | (long) (p2 - buffer)); | |
20df0482 MM |
2095 | |
2096 | name_len = p2 - p1; | |
2097 | *p2++ = '\0'; | |
e9a25f70 JL |
2098 | while (*p2 == ' ' || *p2 == '\t') |
2099 | p2++; | |
2100 | ||
9218435e | 2101 | if (! ISALPHA ((unsigned char) *p2)) |
22d9f2cf KG |
2102 | fatal ("specs %%rename syntax malformed after %ld characters", |
2103 | (long) (p2 - buffer)); | |
20df0482 | 2104 | |
d25a45d4 | 2105 | /* Get new spec name. */ |
20df0482 | 2106 | p3 = p2; |
9218435e | 2107 | while (*p3 && !ISSPACE ((unsigned char) *p3)) |
e9a25f70 JL |
2108 | p3++; |
2109 | ||
d25a45d4 | 2110 | if (p3 != p - 1) |
22d9f2cf KG |
2111 | fatal ("specs %%rename syntax malformed after %ld characters", |
2112 | (long) (p3 - buffer)); | |
20df0482 MM |
2113 | *p3 = '\0'; |
2114 | ||
2115 | for (sl = specs; sl; sl = sl->next) | |
2116 | if (name_len == sl->name_len && !strcmp (sl->name, p1)) | |
2117 | break; | |
2118 | ||
2119 | if (!sl) | |
2120 | fatal ("specs %s spec was not found to be renamed", p1); | |
2121 | ||
e9a25f70 | 2122 | if (strcmp (p1, p2) == 0) |
20df0482 MM |
2123 | continue; |
2124 | ||
169ce44d NC |
2125 | for (newsl = specs; newsl; newsl = newsl->next) |
2126 | if (strcmp (newsl->name, p2) == 0) | |
2127 | fatal ("%s: attempt to rename spec '%s' to already defined spec '%s'", | |
2128 | filename, p1, p2); | |
2129 | ||
20df0482 MM |
2130 | if (verbose_flag) |
2131 | { | |
ab87f8c8 | 2132 | notice ("rename spec %s to %s\n", p1, p2); |
20df0482 | 2133 | #ifdef DEBUG_SPECS |
ab87f8c8 | 2134 | notice ("spec is '%s'\n\n", *(sl->ptr_spec)); |
20df0482 MM |
2135 | #endif |
2136 | } | |
2137 | ||
2138 | set_spec (p2, *(sl->ptr_spec)); | |
2139 | if (sl->alloc_p) | |
fad205ff | 2140 | free ((void *) *(sl->ptr_spec)); |
20df0482 MM |
2141 | |
2142 | *(sl->ptr_spec) = ""; | |
2143 | sl->alloc_p = 0; | |
2144 | continue; | |
2145 | } | |
2146 | else | |
22d9f2cf KG |
2147 | fatal ("specs unknown %% command after %ld characters", |
2148 | (long) (p1 - buffer)); | |
20df0482 MM |
2149 | } |
2150 | ||
2151 | /* Find the colon that should end the suffix. */ | |
2152 | p1 = p; | |
e9a25f70 JL |
2153 | while (*p1 && *p1 != ':' && *p1 != '\n') |
2154 | p1++; | |
2155 | ||
20df0482 MM |
2156 | /* The colon shouldn't be missing. */ |
2157 | if (*p1 != ':') | |
22d9f2cf KG |
2158 | fatal ("specs file malformed after %ld characters", |
2159 | (long) (p1 - buffer)); | |
e9a25f70 | 2160 | |
20df0482 MM |
2161 | /* Skip back over trailing whitespace. */ |
2162 | p2 = p1; | |
e9a25f70 JL |
2163 | while (p2 > buffer && (p2[-1] == ' ' || p2[-1] == '\t')) |
2164 | p2--; | |
2165 | ||
20df0482 MM |
2166 | /* Copy the suffix to a string. */ |
2167 | suffix = save_string (p, p2 - p); | |
2168 | /* Find the next line. */ | |
2169 | p = skip_whitespace (p1 + 1); | |
2170 | if (p[1] == 0) | |
22d9f2cf KG |
2171 | fatal ("specs file malformed after %ld characters", |
2172 | (long) (p - buffer)); | |
e9a25f70 | 2173 | |
20df0482 | 2174 | p1 = p; |
bbeb7b65 JW |
2175 | /* Find next blank line or end of string. */ |
2176 | while (*p1 && !(*p1 == '\n' && (p1[1] == '\n' || p1[1] == '\0'))) | |
e9a25f70 JL |
2177 | p1++; |
2178 | ||
20df0482 MM |
2179 | /* Specs end at the blank line and do not include the newline. */ |
2180 | spec = save_string (p, p1 - p); | |
2181 | p = p1; | |
2182 | ||
2183 | /* Delete backslash-newline sequences from the spec. */ | |
2184 | in = spec; | |
2185 | out = spec; | |
2186 | while (*in != 0) | |
2187 | { | |
2188 | if (in[0] == '\\' && in[1] == '\n') | |
2189 | in += 2; | |
2190 | else if (in[0] == '#') | |
e9a25f70 JL |
2191 | while (*in && *in != '\n') |
2192 | in++; | |
2193 | ||
20df0482 MM |
2194 | else |
2195 | *out++ = *in++; | |
2196 | } | |
2197 | *out = 0; | |
2198 | ||
2199 | if (suffix[0] == '*') | |
2200 | { | |
2201 | if (! strcmp (suffix, "*link_command")) | |
2202 | link_command_spec = spec; | |
2203 | else | |
2204 | set_spec (suffix + 1, spec); | |
2205 | } | |
2206 | else | |
2207 | { | |
2208 | /* Add this pair to the vector. */ | |
2209 | compilers | |
703ad42b KG |
2210 | = xrealloc (compilers, |
2211 | (n_compilers + 2) * sizeof (struct compiler)); | |
e9a25f70 | 2212 | |
20df0482 | 2213 | compilers[n_compilers].suffix = suffix; |
ea414c97 | 2214 | compilers[n_compilers].spec = spec; |
20df0482 | 2215 | n_compilers++; |
9257393c | 2216 | memset (&compilers[n_compilers], 0, sizeof compilers[n_compilers]); |
20df0482 MM |
2217 | } |
2218 | ||
2219 | if (*suffix == 0) | |
2220 | link_command_spec = spec; | |
2221 | } | |
2222 | ||
2223 | if (link_command_spec == 0) | |
2224 | fatal ("spec file has no spec for linking"); | |
2225 | } | |
2226 | \f | |
ed1f651b RS |
2227 | /* Record the names of temporary files we tell compilers to write, |
2228 | and delete them at the end of the run. */ | |
2229 | ||
2230 | /* This is the common prefix we use to make temp file names. | |
2231 | It is chosen once for each run of this program. | |
49009afd | 2232 | It is substituted into a spec by %g or %j. |
ed1f651b RS |
2233 | Thus, all temp file names contain this prefix. |
2234 | In practice, all temp file names start with this prefix. | |
2235 | ||
2236 | This prefix comes from the envvar TMPDIR if it is defined; | |
2237 | otherwise, from the P_tmpdir macro if that is defined; | |
6aa62cff DE |
2238 | otherwise, in /usr/tmp or /tmp; |
2239 | or finally the current directory if all else fails. */ | |
ed1f651b | 2240 | |
878f32c3 | 2241 | static const char *temp_filename; |
ed1f651b RS |
2242 | |
2243 | /* Length of the prefix. */ | |
2244 | ||
2245 | static int temp_filename_length; | |
2246 | ||
2247 | /* Define the list of temporary files to delete. */ | |
2248 | ||
2249 | struct temp_file | |
2250 | { | |
878f32c3 | 2251 | const char *name; |
ed1f651b RS |
2252 | struct temp_file *next; |
2253 | }; | |
2254 | ||
2255 | /* Queue of files to delete on success or failure of compilation. */ | |
2256 | static struct temp_file *always_delete_queue; | |
2257 | /* Queue of files to delete on failure of compilation. */ | |
2258 | static struct temp_file *failure_delete_queue; | |
2259 | ||
2260 | /* Record FILENAME as a file to be deleted automatically. | |
2261 | ALWAYS_DELETE nonzero means delete it if all compilation succeeds; | |
2262 | otherwise delete it in any case. | |
2263 | FAIL_DELETE nonzero means delete it if a compilation step fails; | |
2264 | otherwise delete it in any case. */ | |
2265 | ||
d991c721 | 2266 | void |
1d088dee | 2267 | record_temp_file (const char *filename, int always_delete, int fail_delete) |
ed1f651b | 2268 | { |
b3694847 | 2269 | char *const name = xstrdup (filename); |
ed1f651b RS |
2270 | |
2271 | if (always_delete) | |
2272 | { | |
b3694847 | 2273 | struct temp_file *temp; |
ed1f651b RS |
2274 | for (temp = always_delete_queue; temp; temp = temp->next) |
2275 | if (! strcmp (name, temp->name)) | |
2276 | goto already1; | |
e9a25f70 | 2277 | |
703ad42b | 2278 | temp = xmalloc (sizeof (struct temp_file)); |
ed1f651b RS |
2279 | temp->next = always_delete_queue; |
2280 | temp->name = name; | |
2281 | always_delete_queue = temp; | |
e9a25f70 | 2282 | |
ed1f651b RS |
2283 | already1:; |
2284 | } | |
2285 | ||
2286 | if (fail_delete) | |
2287 | { | |
b3694847 | 2288 | struct temp_file *temp; |
ed1f651b RS |
2289 | for (temp = failure_delete_queue; temp; temp = temp->next) |
2290 | if (! strcmp (name, temp->name)) | |
2291 | goto already2; | |
e9a25f70 | 2292 | |
703ad42b | 2293 | temp = xmalloc (sizeof (struct temp_file)); |
ed1f651b RS |
2294 | temp->next = failure_delete_queue; |
2295 | temp->name = name; | |
2296 | failure_delete_queue = temp; | |
e9a25f70 | 2297 | |
ed1f651b RS |
2298 | already2:; |
2299 | } | |
2300 | } | |
2301 | ||
2302 | /* Delete all the temporary files whose names we previously recorded. */ | |
2303 | ||
8fd58397 DR |
2304 | #ifndef DELETE_IF_ORDINARY |
2305 | #define DELETE_IF_ORDINARY(NAME,ST,VERBOSE_FLAG) \ | |
2306 | do \ | |
2307 | { \ | |
2308 | if (stat (NAME, &ST) >= 0 && S_ISREG (ST.st_mode)) \ | |
2309 | if (unlink (NAME) < 0) \ | |
2310 | if (VERBOSE_FLAG) \ | |
2311 | perror_with_name (NAME); \ | |
2312 | } while (0) | |
2313 | #endif | |
2314 | ||
d5ea2ac4 | 2315 | static void |
1d088dee | 2316 | delete_if_ordinary (const char *name) |
d5ea2ac4 RK |
2317 | { |
2318 | struct stat st; | |
2319 | #ifdef DEBUG | |
2320 | int i, c; | |
2321 | ||
2322 | printf ("Delete %s? (y or n) ", name); | |
2323 | fflush (stdout); | |
2324 | i = getchar (); | |
2325 | if (i != '\n') | |
e9a25f70 JL |
2326 | while ((c = getchar ()) != '\n' && c != EOF) |
2327 | ; | |
2328 | ||
d5ea2ac4 RK |
2329 | if (i == 'y' || i == 'Y') |
2330 | #endif /* DEBUG */ | |
8fd58397 | 2331 | DELETE_IF_ORDINARY (name, st, verbose_flag); |
d5ea2ac4 RK |
2332 | } |
2333 | ||
ed1f651b | 2334 | static void |
1d088dee | 2335 | delete_temp_files (void) |
ed1f651b | 2336 | { |
b3694847 | 2337 | struct temp_file *temp; |
ed1f651b RS |
2338 | |
2339 | for (temp = always_delete_queue; temp; temp = temp->next) | |
d5ea2ac4 | 2340 | delete_if_ordinary (temp->name); |
ed1f651b RS |
2341 | always_delete_queue = 0; |
2342 | } | |
2343 | ||
2344 | /* Delete all the files to be deleted on error. */ | |
2345 | ||
2346 | static void | |
1d088dee | 2347 | delete_failure_queue (void) |
ed1f651b | 2348 | { |
b3694847 | 2349 | struct temp_file *temp; |
ed1f651b RS |
2350 | |
2351 | for (temp = failure_delete_queue; temp; temp = temp->next) | |
d5ea2ac4 | 2352 | delete_if_ordinary (temp->name); |
ed1f651b RS |
2353 | } |
2354 | ||
2355 | static void | |
1d088dee | 2356 | clear_failure_queue (void) |
ed1f651b RS |
2357 | { |
2358 | failure_delete_queue = 0; | |
2359 | } | |
b3865ca9 | 2360 | \f |
00dcee0c AM |
2361 | /* Call CALLBACK for each path in PATHS, breaking out early if CALLBACK |
2362 | returns non-NULL. | |
2363 | If DO_MULTI is true iterate over the paths twice, first with multilib | |
2364 | suffix then without, otherwise iterate over the paths once without | |
2365 | adding a multilib suffix. When DO_MULTI is true, some attempt is made | |
2366 | to avoid visiting the same path twice, but we could do better. For | |
2367 | instance, /usr/lib/../lib is considered different from /usr/lib. | |
2368 | At least EXTRA_SPACE chars past the end of the path passed to | |
2369 | CALLBACK are available for use by the callback. | |
2370 | CALLBACK_INFO allows extra parameters to be passed to CALLBACK. | |
2371 | ||
2372 | Returns the value returned by CALLBACK. */ | |
2373 | ||
2374 | static void * | |
2375 | for_each_path (const struct path_prefix *paths, | |
2376 | bool do_multi, | |
2377 | size_t extra_space, | |
2378 | void *(*callback) (char *, void *), | |
2379 | void *callback_info) | |
b3865ca9 | 2380 | { |
00dcee0c AM |
2381 | struct prefix_list *pl; |
2382 | const char *multi_dir = NULL; | |
2383 | const char *multi_os_dir = NULL; | |
2384 | const char *multi_suffix; | |
2385 | const char *just_multi_suffix; | |
2386 | char *path = NULL; | |
2387 | void *ret = NULL; | |
2388 | bool skip_multi_dir = false; | |
2389 | bool skip_multi_os_dir = false; | |
2390 | ||
2391 | multi_suffix = machine_suffix; | |
2392 | just_multi_suffix = just_machine_suffix; | |
2393 | if (do_multi && multilib_dir && strcmp (multilib_dir, ".") != 0) | |
b3865ca9 | 2394 | { |
00dcee0c AM |
2395 | multi_dir = concat (multilib_dir, dir_separator_str, NULL); |
2396 | multi_suffix = concat (multi_suffix, multi_dir, NULL); | |
2397 | just_multi_suffix = concat (just_multi_suffix, multi_dir, NULL); | |
2398 | } | |
2399 | if (do_multi && multilib_os_dir && strcmp (multilib_os_dir, ".") != 0) | |
2400 | multi_os_dir = concat (multilib_os_dir, dir_separator_str, NULL); | |
b3865ca9 | 2401 | |
00dcee0c AM |
2402 | while (1) |
2403 | { | |
2404 | size_t multi_dir_len = 0; | |
2405 | size_t multi_os_dir_len = 0; | |
2406 | size_t suffix_len; | |
2407 | size_t just_suffix_len; | |
2408 | size_t len; | |
2409 | ||
2410 | if (multi_dir) | |
2411 | multi_dir_len = strlen (multi_dir); | |
2412 | if (multi_os_dir) | |
2413 | multi_os_dir_len = strlen (multi_os_dir); | |
2414 | suffix_len = strlen (multi_suffix); | |
2415 | just_suffix_len = strlen (just_multi_suffix); | |
2416 | ||
2417 | if (path == NULL) | |
b3865ca9 | 2418 | { |
00dcee0c AM |
2419 | len = paths->max_len + extra_space + 1; |
2420 | if (suffix_len > multi_os_dir_len) | |
2421 | len += suffix_len; | |
2422 | else | |
2423 | len += multi_os_dir_len; | |
2424 | path = xmalloc (len); | |
b3865ca9 RS |
2425 | } |
2426 | ||
00dcee0c | 2427 | for (pl = paths->plist; pl != 0; pl = pl->next) |
ae04227b | 2428 | { |
00dcee0c AM |
2429 | len = strlen (pl->prefix); |
2430 | memcpy (path, pl->prefix, len); | |
9218435e | 2431 | |
00dcee0c AM |
2432 | /* Look first in MACHINE/VERSION subdirectory. */ |
2433 | if (!skip_multi_dir) | |
2434 | { | |
2435 | memcpy (path + len, multi_suffix, suffix_len + 1); | |
2436 | ret = callback (path, callback_info); | |
2437 | if (ret) | |
2438 | break; | |
2439 | } | |
2440 | ||
2441 | /* Some paths are tried with just the machine (ie. target) | |
2442 | subdir. This is used for finding as, ld, etc. */ | |
2443 | if (!skip_multi_dir | |
2444 | && pl->require_machine_suffix == 2) | |
2445 | { | |
2446 | memcpy (path + len, just_multi_suffix, just_suffix_len + 1); | |
2447 | ret = callback (path, callback_info); | |
2448 | if (ret) | |
2449 | break; | |
2450 | } | |
2451 | ||
2452 | /* Now try the base path. */ | |
2453 | if (!pl->require_machine_suffix | |
2454 | && !(pl->os_multilib ? skip_multi_os_dir : skip_multi_dir)) | |
2455 | { | |
2456 | const char *this_multi; | |
2457 | size_t this_multi_len; | |
2458 | ||
2459 | if (pl->os_multilib) | |
2460 | { | |
2461 | this_multi = multi_os_dir; | |
2462 | this_multi_len = multi_os_dir_len; | |
2463 | } | |
2464 | else | |
2465 | { | |
2466 | this_multi = multi_dir; | |
2467 | this_multi_len = multi_dir_len; | |
2468 | } | |
2469 | ||
2470 | if (this_multi_len) | |
2471 | memcpy (path + len, this_multi, this_multi_len + 1); | |
2472 | else | |
2473 | path[len] = '\0'; | |
2474 | ||
2475 | ret = callback (path, callback_info); | |
2476 | if (ret) | |
2477 | break; | |
2478 | } | |
ae04227b | 2479 | } |
00dcee0c AM |
2480 | if (pl) |
2481 | break; | |
ae04227b | 2482 | |
00dcee0c AM |
2483 | if (multi_dir == NULL && multi_os_dir == NULL) |
2484 | break; | |
b3865ca9 | 2485 | |
00dcee0c AM |
2486 | /* Run through the paths again, this time without multilibs. |
2487 | Don't repeat any we have already seen. */ | |
2488 | if (multi_dir) | |
2489 | { | |
2490 | free ((char *) multi_dir); | |
2491 | multi_dir = NULL; | |
2492 | free ((char *) multi_suffix); | |
2493 | multi_suffix = machine_suffix; | |
2494 | free ((char *) just_multi_suffix); | |
2495 | just_multi_suffix = just_machine_suffix; | |
b3865ca9 | 2496 | } |
00dcee0c AM |
2497 | else |
2498 | skip_multi_dir = true; | |
2499 | if (multi_os_dir) | |
2500 | { | |
2501 | free ((char *) multi_os_dir); | |
2502 | multi_os_dir = NULL; | |
2503 | } | |
2504 | else | |
2505 | skip_multi_os_dir = true; | |
2506 | } | |
2507 | ||
2508 | if (multi_dir) | |
2509 | { | |
2510 | free ((char *) multi_dir); | |
2511 | free ((char *) multi_suffix); | |
2512 | free ((char *) just_multi_suffix); | |
b3865ca9 | 2513 | } |
00dcee0c AM |
2514 | if (multi_os_dir) |
2515 | free ((char *) multi_os_dir); | |
2516 | if (ret != path) | |
2517 | free (path); | |
2518 | return ret; | |
2519 | } | |
2520 | ||
2521 | /* Callback for build_search_list. Adds path to obstack being built. */ | |
2522 | ||
2523 | struct add_to_obstack_info { | |
2524 | struct obstack *ob; | |
2525 | bool check_dir; | |
2526 | bool first_time; | |
2527 | }; | |
2528 | ||
2529 | static void * | |
2530 | add_to_obstack (char *path, void *data) | |
2531 | { | |
2532 | struct add_to_obstack_info *info = data; | |
2533 | ||
2534 | if (info->check_dir && !is_directory (path, false)) | |
2535 | return NULL; | |
2536 | ||
2537 | if (!info->first_time) | |
2538 | obstack_1grow (info->ob, PATH_SEPARATOR); | |
2539 | ||
2540 | obstack_grow (info->ob, path, strlen (path)); | |
2541 | ||
2542 | info->first_time = false; | |
2543 | return NULL; | |
2544 | } | |
2545 | ||
2546 | /* Build a list of search directories from PATHS. | |
2547 | PREFIX is a string to prepend to the list. | |
2548 | If CHECK_DIR_P is true we ensure the directory exists. | |
2549 | If DO_MULTI is true, multilib paths are output first, then | |
2550 | non-multilib paths. | |
2551 | This is used mostly by putenv_from_prefixes so we use `collect_obstack'. | |
2552 | It is also used by the --print-search-dirs flag. */ | |
2553 | ||
2554 | static char * | |
2555 | build_search_list (const struct path_prefix *paths, const char *prefix, | |
2556 | bool check_dir, bool do_multi) | |
2557 | { | |
2558 | struct add_to_obstack_info info; | |
2559 | ||
2560 | info.ob = &collect_obstack; | |
2561 | info.check_dir = check_dir; | |
2562 | info.first_time = true; | |
2563 | ||
2564 | obstack_grow (&collect_obstack, prefix, strlen (prefix)); | |
2565 | obstack_1grow (&collect_obstack, '='); | |
2566 | ||
2567 | for_each_path (paths, do_multi, 0, add_to_obstack, &info); | |
e9a25f70 | 2568 | |
3ae7de4e | 2569 | obstack_1grow (&collect_obstack, '\0'); |
7973fd2a | 2570 | return XOBFINISH (&collect_obstack, char *); |
b3865ca9 RS |
2571 | } |
2572 | ||
0f41302f MS |
2573 | /* Rebuild the COMPILER_PATH and LIBRARY_PATH environment variables |
2574 | for collect. */ | |
2628b9d3 DE |
2575 | |
2576 | static void | |
00dcee0c AM |
2577 | putenv_from_prefixes (const struct path_prefix *paths, const char *env_var, |
2578 | bool do_multi) | |
2628b9d3 | 2579 | { |
00dcee0c | 2580 | putenv (build_search_list (paths, env_var, true, do_multi)); |
2628b9d3 | 2581 | } |
ed1f651b | 2582 | \f |
ca606201 ILT |
2583 | /* Check whether NAME can be accessed in MODE. This is like access, |
2584 | except that it never considers directories to be executable. */ | |
2585 | ||
2586 | static int | |
1d088dee | 2587 | access_check (const char *name, int mode) |
ca606201 ILT |
2588 | { |
2589 | if (mode == X_OK) | |
2590 | { | |
2591 | struct stat st; | |
2592 | ||
2593 | if (stat (name, &st) < 0 | |
2594 | || S_ISDIR (st.st_mode)) | |
2595 | return -1; | |
2596 | } | |
2597 | ||
2598 | return access (name, mode); | |
2599 | } | |
2600 | ||
00dcee0c AM |
2601 | /* Callback for find_a_file. Appends the file name to the directory |
2602 | path. If the resulting file exists in the right mode, return the | |
2603 | full pathname to the file. */ | |
2604 | ||
2605 | struct file_at_path_info { | |
2606 | const char *name; | |
2607 | const char *suffix; | |
2608 | int name_len; | |
2609 | int suffix_len; | |
2610 | int mode; | |
2611 | }; | |
2612 | ||
2613 | static void * | |
2614 | file_at_path (char *path, void *data) | |
2615 | { | |
2616 | struct file_at_path_info *info = data; | |
2617 | size_t len = strlen (path); | |
2618 | ||
2619 | memcpy (path + len, info->name, info->name_len); | |
2620 | len += info->name_len; | |
2621 | ||
2622 | /* Some systems have a suffix for executable files. | |
2623 | So try appending that first. */ | |
2624 | if (info->suffix_len) | |
2625 | { | |
2626 | memcpy (path + len, info->suffix, info->suffix_len + 1); | |
2627 | if (access_check (path, info->mode) == 0) | |
2628 | return path; | |
2629 | } | |
2630 | ||
2631 | path[len] = '\0'; | |
2632 | if (access_check (path, info->mode) == 0) | |
2633 | return path; | |
2634 | ||
2635 | return NULL; | |
2636 | } | |
2637 | ||
ed1f651b | 2638 | /* Search for NAME using the prefix list PREFIXES. MODE is passed to |
00dcee0c AM |
2639 | access to check permissions. If DO_MULTI is true, search multilib |
2640 | paths then non-multilib paths, otherwise do not search multilib paths. | |
0f41302f | 2641 | Return 0 if not found, otherwise return its name, allocated with malloc. */ |
ed1f651b RS |
2642 | |
2643 | static char * | |
00dcee0c AM |
2644 | find_a_file (const struct path_prefix *pprefix, const char *name, int mode, |
2645 | bool do_multi) | |
ed1f651b | 2646 | { |
00dcee0c | 2647 | struct file_at_path_info info; |
ed1f651b | 2648 | |
ab339d62 | 2649 | #ifdef DEFAULT_ASSEMBLER |
c5c0b3d9 | 2650 | if (! strcmp (name, "as") && access (DEFAULT_ASSEMBLER, mode) == 0) |
ad85216e | 2651 | return xstrdup (DEFAULT_ASSEMBLER); |
ab339d62 AO |
2652 | #endif |
2653 | ||
2654 | #ifdef DEFAULT_LINKER | |
ad85216e KG |
2655 | if (! strcmp(name, "ld") && access (DEFAULT_LINKER, mode) == 0) |
2656 | return xstrdup (DEFAULT_LINKER); | |
ab339d62 AO |
2657 | #endif |
2658 | ||
ed1f651b RS |
2659 | /* Determine the filename to execute (special case for absolute paths). */ |
2660 | ||
3dce1408 | 2661 | if (IS_ABSOLUTE_PATH (name)) |
ed1f651b | 2662 | { |
ab339d62 | 2663 | if (access (name, mode) == 0) |
00dcee0c | 2664 | return xstrdup (name); |
460dcab4 | 2665 | |
00dcee0c AM |
2666 | return NULL; |
2667 | } | |
460dcab4 | 2668 | |
00dcee0c AM |
2669 | info.name = name; |
2670 | info.suffix = (mode & X_OK) != 0 ? HOST_EXECUTABLE_SUFFIX : ""; | |
2671 | info.name_len = strlen (info.name); | |
2672 | info.suffix_len = strlen (info.suffix); | |
2673 | info.mode = mode; | |
ed1f651b | 2674 | |
00dcee0c AM |
2675 | return for_each_path (pprefix, do_multi, info.name_len + info.suffix_len, |
2676 | file_at_path, &info); | |
ed1f651b RS |
2677 | } |
2678 | ||
922a4beb | 2679 | /* Ranking of prefixes in the sort list. -B prefixes are put before |
9218435e | 2680 | all others. */ |
922a4beb AC |
2681 | |
2682 | enum path_prefix_priority | |
2683 | { | |
2684 | PREFIX_PRIORITY_B_OPT, | |
2685 | PREFIX_PRIORITY_LAST | |
2686 | }; | |
2687 | ||
fbe5a4a6 | 2688 | /* Add an entry for PREFIX in PLIST. The PLIST is kept in ascending |
922a4beb AC |
2689 | order according to PRIORITY. Within each PRIORITY, new entries are |
2690 | appended. | |
ed1f651b RS |
2691 | |
2692 | If WARN is nonzero, we will warn if no file is found | |
2693 | through this prefix. WARN should point to an int | |
ae04227b CH |
2694 | which will be set to 1 if this entry is used. |
2695 | ||
e9a25f70 JL |
2696 | COMPONENT is the value to be passed to update_path. |
2697 | ||
ae04227b CH |
2698 | REQUIRE_MACHINE_SUFFIX is 1 if this prefix can't be used without |
2699 | the complete value of machine_suffix. | |
2700 | 2 means try both machine_suffix and just_machine_suffix. */ | |
ed1f651b RS |
2701 | |
2702 | static void | |
1d088dee AJ |
2703 | add_prefix (struct path_prefix *pprefix, const char *prefix, |
2704 | const char *component, /* enum prefix_priority */ int priority, | |
1a5d37a1 | 2705 | int require_machine_suffix, int os_multilib) |
ed1f651b RS |
2706 | { |
2707 | struct prefix_list *pl, **prev; | |
2708 | int len; | |
2709 | ||
922a4beb AC |
2710 | for (prev = &pprefix->plist; |
2711 | (*prev) != NULL && (*prev)->priority <= priority; | |
2712 | prev = &(*prev)->next) | |
2713 | ; | |
ed1f651b | 2714 | |
f9da5064 | 2715 | /* Keep track of the longest prefix. */ |
ed1f651b | 2716 | |
e9a25f70 | 2717 | prefix = update_path (prefix, component); |
ed1f651b RS |
2718 | len = strlen (prefix); |
2719 | if (len > pprefix->max_len) | |
2720 | pprefix->max_len = len; | |
2721 | ||
703ad42b | 2722 | pl = xmalloc (sizeof (struct prefix_list)); |
51c04256 | 2723 | pl->prefix = prefix; |
ed1f651b | 2724 | pl->require_machine_suffix = require_machine_suffix; |
922a4beb | 2725 | pl->priority = priority; |
5bbcd587 | 2726 | pl->os_multilib = os_multilib; |
ed1f651b | 2727 | |
f9da5064 | 2728 | /* Insert after PREV. */ |
922a4beb AC |
2729 | pl->next = (*prev); |
2730 | (*prev) = pl; | |
ed1f651b | 2731 | } |
4977bab6 ZW |
2732 | |
2733 | /* Same as add_prefix, but prepending target_system_root to prefix. */ | |
2734 | static void | |
1d088dee AJ |
2735 | add_sysrooted_prefix (struct path_prefix *pprefix, const char *prefix, |
2736 | const char *component, | |
2737 | /* enum prefix_priority */ int priority, | |
1a5d37a1 | 2738 | int require_machine_suffix, int os_multilib) |
4977bab6 | 2739 | { |
3dce1408 | 2740 | if (!IS_ABSOLUTE_PATH (prefix)) |
9e637a26 | 2741 | fatal ("system path '%s' is not absolute", prefix); |
4977bab6 ZW |
2742 | |
2743 | if (target_system_root) | |
2744 | { | |
e7f13528 GP |
2745 | if (target_sysroot_suffix) |
2746 | prefix = concat (target_sysroot_suffix, prefix, NULL); | |
4977bab6 | 2747 | prefix = concat (target_system_root, prefix, NULL); |
e7f13528 | 2748 | |
4977bab6 ZW |
2749 | /* We have to override this because GCC's notion of sysroot |
2750 | moves along with GCC. */ | |
2751 | component = "GCC"; | |
2752 | } | |
2753 | ||
2754 | add_prefix (pprefix, prefix, component, priority, | |
1a5d37a1 | 2755 | require_machine_suffix, os_multilib); |
4977bab6 | 2756 | } |
ed1f651b RS |
2757 | \f |
2758 | /* Execute the command specified by the arguments on the current line of spec. | |
2759 | When using pipes, this includes several piped-together commands | |
2760 | with `|' between them. | |
2761 | ||
2762 | Return 0 if successful, -1 if failed. */ | |
2763 | ||
2764 | static int | |
1d088dee | 2765 | execute (void) |
ed1f651b RS |
2766 | { |
2767 | int i; | |
2768 | int n_commands; /* # of command. */ | |
2769 | char *string; | |
054e88a8 | 2770 | struct pex_obj *pex; |
ed1f651b | 2771 | struct command |
d25a45d4 KH |
2772 | { |
2773 | const char *prog; /* program name. */ | |
2774 | const char **argv; /* vector of args. */ | |
d25a45d4 | 2775 | }; |
ed1f651b RS |
2776 | |
2777 | struct command *commands; /* each command buffer with above info. */ | |
2778 | ||
3b5edfee | 2779 | gcc_assert (!processing_spec_function); |
f3226a90 | 2780 | |
ed1f651b RS |
2781 | /* Count # of piped commands. */ |
2782 | for (n_commands = 1, i = 0; i < argbuf_index; i++) | |
2783 | if (strcmp (argbuf[i], "|") == 0) | |
2784 | n_commands++; | |
2785 | ||
2786 | /* Get storage for each command. */ | |
703ad42b | 2787 | commands = alloca (n_commands * sizeof (struct command)); |
ed1f651b RS |
2788 | |
2789 | /* Split argbuf into its separate piped processes, | |
2790 | and record info about each one. | |
2791 | Also search for the programs that are to be run. */ | |
2792 | ||
2793 | commands[0].prog = argbuf[0]; /* first command. */ | |
2794 | commands[0].argv = &argbuf[0]; | |
00dcee0c | 2795 | string = find_a_file (&exec_prefixes, commands[0].prog, X_OK, false); |
10da1131 | 2796 | |
ed1f651b RS |
2797 | if (string) |
2798 | commands[0].argv[0] = string; | |
2799 | ||
2800 | for (n_commands = 1, i = 0; i < argbuf_index; i++) | |
2801 | if (strcmp (argbuf[i], "|") == 0) | |
2802 | { /* each command. */ | |
6405c0ec | 2803 | #if defined (__MSDOS__) || defined (OS2) || defined (VMS) |
d25a45d4 | 2804 | fatal ("-pipe not supported"); |
ed1f651b RS |
2805 | #endif |
2806 | argbuf[i] = 0; /* termination of command args. */ | |
2807 | commands[n_commands].prog = argbuf[i + 1]; | |
2808 | commands[n_commands].argv = &argbuf[i + 1]; | |
5bbcd587 | 2809 | string = find_a_file (&exec_prefixes, commands[n_commands].prog, |
00dcee0c | 2810 | X_OK, false); |
ed1f651b RS |
2811 | if (string) |
2812 | commands[n_commands].argv[0] = string; | |
2813 | n_commands++; | |
2814 | } | |
2815 | ||
2816 | argbuf[argbuf_index] = 0; | |
2817 | ||
2818 | /* If -v, print what we are about to do, and maybe query. */ | |
2819 | ||
b3865ca9 | 2820 | if (verbose_flag) |
ed1f651b | 2821 | { |
b8468bc7 NC |
2822 | /* For help listings, put a blank line between sub-processes. */ |
2823 | if (print_help_list) | |
2824 | fputc ('\n', stderr); | |
9218435e | 2825 | |
ed1f651b | 2826 | /* Print each piped command as a separate line. */ |
d25a45d4 | 2827 | for (i = 0; i < n_commands; i++) |
ed1f651b | 2828 | { |
37620334 | 2829 | const char *const *j; |
ed1f651b | 2830 | |
589005ff KH |
2831 | if (verbose_only_flag) |
2832 | { | |
99f78cdd IR |
2833 | for (j = commands[i].argv; *j; j++) |
2834 | { | |
88f92c0f | 2835 | const char *p; |
99f78cdd IR |
2836 | fprintf (stderr, " \""); |
2837 | for (p = *j; *p; ++p) | |
2838 | { | |
2839 | if (*p == '"' || *p == '\\' || *p == '$') | |
2840 | fputc ('\\', stderr); | |
2841 | fputc (*p, stderr); | |
2842 | } | |
2843 | fputc ('"', stderr); | |
2844 | } | |
589005ff KH |
2845 | } |
2846 | else | |
99f78cdd IR |
2847 | for (j = commands[i].argv; *j; j++) |
2848 | fprintf (stderr, " %s", *j); | |
ed1f651b RS |
2849 | |
2850 | /* Print a pipe symbol after all but the last command. */ | |
2851 | if (i + 1 != n_commands) | |
2852 | fprintf (stderr, " |"); | |
2853 | fprintf (stderr, "\n"); | |
2854 | } | |
2855 | fflush (stderr); | |
99f78cdd | 2856 | if (verbose_only_flag != 0) |
6a40fb21 AP |
2857 | { |
2858 | /* verbose_only_flag should act as if the spec was | |
2859 | executed, so increment execution_count before | |
ba228239 | 2860 | returning. This prevents spurious warnings about |
6a40fb21 AP |
2861 | unused linker input files, etc. */ |
2862 | execution_count++; | |
2863 | return 0; | |
2864 | } | |
ed1f651b | 2865 | #ifdef DEBUG |
ab87f8c8 | 2866 | notice ("\nGo ahead? (y or n) "); |
ed1f651b RS |
2867 | fflush (stderr); |
2868 | i = getchar (); | |
2869 | if (i != '\n') | |
e9a25f70 JL |
2870 | while (getchar () != '\n') |
2871 | ; | |
2872 | ||
ed1f651b RS |
2873 | if (i != 'y' && i != 'Y') |
2874 | return 0; | |
2875 | #endif /* DEBUG */ | |
2876 | } | |
2877 | ||
414d23ae | 2878 | #ifdef ENABLE_VALGRIND_CHECKING |
fbe5a4a6 | 2879 | /* Run the each command through valgrind. To simplify prepending the |
414d23ae HPN |
2880 | path to valgrind and the option "-q" (for quiet operation unless |
2881 | something triggers), we allocate a separate argv array. */ | |
2882 | ||
2883 | for (i = 0; i < n_commands; i++) | |
2884 | { | |
2885 | const char **argv; | |
2886 | int argc; | |
2887 | int j; | |
2888 | ||
2889 | for (argc = 0; commands[i].argv[argc] != NULL; argc++) | |
2890 | ; | |
2891 | ||
2892 | argv = alloca ((argc + 3) * sizeof (char *)); | |
2893 | ||
2894 | argv[0] = VALGRIND_PATH; | |
2895 | argv[1] = "-q"; | |
2896 | for (j = 2; j < argc + 2; j++) | |
2897 | argv[j] = commands[i].argv[j - 2]; | |
2898 | argv[j] = NULL; | |
2899 | ||
2900 | commands[i].argv = argv; | |
2901 | commands[i].prog = argv[0]; | |
2902 | } | |
2903 | #endif | |
2904 | ||
ed1f651b RS |
2905 | /* Run each piped subprocess. */ |
2906 | ||
054e88a8 ILT |
2907 | pex = pex_init (PEX_USE_PIPES | (report_times ? PEX_RECORD_TIMES : 0), |
2908 | programname, temp_filename); | |
2909 | if (pex == NULL) | |
2910 | pfatal_with_name (_("pex_init failed")); | |
2911 | ||
ed1f651b RS |
2912 | for (i = 0; i < n_commands; i++) |
2913 | { | |
054e88a8 ILT |
2914 | const char *errmsg; |
2915 | int err; | |
fbd40359 | 2916 | const char *string = commands[i].argv[0]; |
ed1f651b | 2917 | |
054e88a8 ILT |
2918 | errmsg = pex_run (pex, |
2919 | ((i + 1 == n_commands ? PEX_LAST : 0) | |
2920 | | (string == commands[i].prog ? PEX_SEARCH : 0)), | |
2921 | string, (char * const *) commands[i].argv, | |
2922 | NULL, NULL, &err); | |
2923 | if (errmsg != NULL) | |
2924 | { | |
2925 | if (err == 0) | |
2926 | fatal (errmsg); | |
2927 | else | |
2928 | { | |
2929 | errno = err; | |
2930 | pfatal_with_name (errmsg); | |
2931 | } | |
2932 | } | |
ed1f651b RS |
2933 | |
2934 | if (string != commands[i].prog) | |
fad205ff | 2935 | free ((void *) string); |
ed1f651b RS |
2936 | } |
2937 | ||
2938 | execution_count++; | |
2939 | ||
054e88a8 | 2940 | /* Wait for all the subprocesses to finish. */ |
ed1f651b RS |
2941 | |
2942 | { | |
054e88a8 ILT |
2943 | int *statuses; |
2944 | struct pex_time *times = NULL; | |
ed1f651b RS |
2945 | int ret_code = 0; |
2946 | ||
054e88a8 ILT |
2947 | statuses = alloca (n_commands * sizeof (int)); |
2948 | if (!pex_get_status (pex, n_commands, statuses)) | |
2949 | pfatal_with_name (_("failed to get exit status")); | |
2950 | ||
2951 | if (report_times) | |
ed1f651b | 2952 | { |
054e88a8 ILT |
2953 | times = alloca (n_commands * sizeof (struct pex_time)); |
2954 | if (!pex_get_times (pex, n_commands, times)) | |
2955 | pfatal_with_name (_("failed to get process times")); | |
2956 | } | |
ed1f651b | 2957 | |
054e88a8 | 2958 | pex_free (pex); |
ed1f651b | 2959 | |
054e88a8 ILT |
2960 | for (i = 0; i < n_commands; ++i) |
2961 | { | |
2962 | int status = statuses[i]; | |
03c41c05 | 2963 | |
054e88a8 ILT |
2964 | if (WIFSIGNALED (status)) |
2965 | { | |
c334349b | 2966 | #ifdef SIGPIPE |
054e88a8 ILT |
2967 | /* SIGPIPE is a special case. It happens in -pipe mode |
2968 | when the compiler dies before the preprocessor is done, | |
2969 | or the assembler dies before the compiler is done. | |
2970 | There's generally been an error already, and this is | |
2971 | just fallout. So don't generate another error unless | |
2972 | we would otherwise have succeeded. */ | |
2973 | if (WTERMSIG (status) == SIGPIPE | |
2974 | && (signal_count || greatest_status >= MIN_FATAL_STATUS)) | |
eeac616e VR |
2975 | { |
2976 | signal_count++; | |
2977 | ret_code = -1; | |
2978 | } | |
054e88a8 ILT |
2979 | else |
2980 | #endif | |
2981 | fatal ("\ | |
c334349b ZW |
2982 | Internal error: %s (program %s)\n\ |
2983 | Please submit a full bug report.\n\ | |
2984 | See %s for instructions.", | |
054e88a8 ILT |
2985 | strsignal (WTERMSIG (status)), commands[i].prog, |
2986 | bug_report_url); | |
054e88a8 ILT |
2987 | } |
2988 | else if (WIFEXITED (status) | |
2989 | && WEXITSTATUS (status) >= MIN_FATAL_STATUS) | |
2990 | { | |
2991 | if (WEXITSTATUS (status) > greatest_status) | |
2992 | greatest_status = WEXITSTATUS (status); | |
2993 | ret_code = -1; | |
2994 | } | |
2995 | ||
2996 | if (report_times) | |
2997 | { | |
2998 | struct pex_time *pt = ×[i]; | |
2999 | double ut, st; | |
3000 | ||
3001 | ut = ((double) pt->user_seconds | |
3002 | + (double) pt->user_microseconds / 1.0e6); | |
3003 | st = ((double) pt->system_seconds | |
3004 | + (double) pt->system_microseconds / 1.0e6); | |
3005 | ||
3006 | if (ut + st != 0) | |
3007 | notice ("# %s %.2f %.2f\n", commands[i].prog, ut, st); | |
3008 | } | |
ed1f651b | 3009 | } |
054e88a8 | 3010 | |
ed1f651b RS |
3011 | return ret_code; |
3012 | } | |
3013 | } | |
3014 | \f | |
3015 | /* Find all the switches given to us | |
3016 | and make a vector describing them. | |
3017 | The elements of the vector are strings, one per switch given. | |
3018 | If a switch uses following arguments, then the `part1' field | |
3019 | is the switch itself and the `args' field | |
3020 | is a null-terminated vector containing the following arguments. | |
8097c429 TT |
3021 | The `live_cond' field is: |
3022 | 0 when initialized | |
3023 | 1 if the switch is true in a conditional spec, | |
3024 | -1 if false (overridden by a later switch) | |
4977bab6 | 3025 | -2 if this switch should be ignored (used in %<S) |
ab87f8c8 | 3026 | The `validated' field is nonzero if any spec has looked at this switch; |
ed1f651b RS |
3027 | if it remains zero at the end of the run, it must be meaningless. */ |
3028 | ||
8097c429 TT |
3029 | #define SWITCH_OK 0 |
3030 | #define SWITCH_FALSE -1 | |
3031 | #define SWITCH_IGNORE -2 | |
3032 | #define SWITCH_LIVE 1 | |
3033 | ||
ed1f651b RS |
3034 | struct switchstr |
3035 | { | |
878f32c3 | 3036 | const char *part1; |
fbd40359 | 3037 | const char **args; |
f5b0eb4e | 3038 | int live_cond; |
196a37f4 NB |
3039 | unsigned char validated; |
3040 | unsigned char ordering; | |
ed1f651b RS |
3041 | }; |
3042 | ||
3043 | static struct switchstr *switches; | |
3044 | ||
3045 | static int n_switches; | |
3046 | ||
817a8255 EC |
3047 | /* Language is one of three things: |
3048 | ||
3049 | 1) The name of a real programming language. | |
3050 | 2) NULL, indicating that no one has figured out | |
3051 | what it is yet. | |
3052 | 3) '*', indicating that the file should be passed | |
3053 | to the linker. */ | |
ed1f651b RS |
3054 | struct infile |
3055 | { | |
878f32c3 KG |
3056 | const char *name; |
3057 | const char *language; | |
0855eab7 CT |
3058 | struct compiler *incompiler; |
3059 | bool compiled; | |
3060 | bool preprocessed; | |
ed1f651b RS |
3061 | }; |
3062 | ||
3063 | /* Also a vector of input files specified. */ | |
3064 | ||
3065 | static struct infile *infiles; | |
3066 | ||
3a5a9edc | 3067 | int n_infiles; |
ed1f651b | 3068 | |
d1bd0ded GK |
3069 | /* True if multiple input files are being compiled to a single |
3070 | assembly file. */ | |
3071 | ||
3072 | static bool combine_inputs; | |
3073 | ||
08dc830e | 3074 | /* This counts the number of libraries added by lang_specific_driver, so that |
a2a05b0a JW |
3075 | we can tell if there were any user supplied any files or libraries. */ |
3076 | ||
3077 | static int added_libraries; | |
3078 | ||
ed1f651b RS |
3079 | /* And a vector of corresponding output files is made up later. */ |
3080 | ||
3a5a9edc | 3081 | const char **outfiles; |
853e0b2d | 3082 | \f |
45936a85 | 3083 | #if defined(HAVE_TARGET_OBJECT_SUFFIX) || defined(HAVE_TARGET_EXECUTABLE_SUFFIX) |
853e0b2d RK |
3084 | |
3085 | /* Convert NAME to a new name if it is the standard suffix. DO_EXE | |
a9657ce8 DR |
3086 | is true if we should look for an executable suffix. DO_OBJ |
3087 | is true if we should look for an object suffix. */ | |
853e0b2d | 3088 | |
40cdfca6 | 3089 | static const char * |
1d088dee AJ |
3090 | convert_filename (const char *name, int do_exe ATTRIBUTE_UNUSED, |
3091 | int do_obj ATTRIBUTE_UNUSED) | |
853e0b2d | 3092 | { |
40cdfca6 | 3093 | #if defined(HAVE_TARGET_EXECUTABLE_SUFFIX) |
853e0b2d | 3094 | int i; |
40cdfca6 | 3095 | #endif |
87e690e2 MK |
3096 | int len; |
3097 | ||
3098 | if (name == NULL) | |
3099 | return NULL; | |
9218435e | 3100 | |
87e690e2 | 3101 | len = strlen (name); |
853e0b2d | 3102 | |
45936a85 DD |
3103 | #ifdef HAVE_TARGET_OBJECT_SUFFIX |
3104 | /* Convert x.o to x.obj if TARGET_OBJECT_SUFFIX is ".obj". */ | |
a9657ce8 | 3105 | if (do_obj && len > 2 |
853e0b2d RK |
3106 | && name[len - 2] == '.' |
3107 | && name[len - 1] == 'o') | |
3108 | { | |
bdc5ed93 | 3109 | obstack_grow (&obstack, name, len - 2); |
45936a85 | 3110 | obstack_grow0 (&obstack, TARGET_OBJECT_SUFFIX, strlen (TARGET_OBJECT_SUFFIX)); |
7973fd2a | 3111 | name = XOBFINISH (&obstack, const char *); |
853e0b2d RK |
3112 | } |
3113 | #endif | |
3114 | ||
45936a85 | 3115 | #if defined(HAVE_TARGET_EXECUTABLE_SUFFIX) |
853e0b2d RK |
3116 | /* If there is no filetype, make it the executable suffix (which includes |
3117 | the "."). But don't get confused if we have just "-o". */ | |
45936a85 | 3118 | if (! do_exe || TARGET_EXECUTABLE_SUFFIX[0] == 0 || (len == 2 && name[0] == '-')) |
853e0b2d RK |
3119 | return name; |
3120 | ||
e0040a8e | 3121 | for (i = len - 1; i >= 0; i--) |
509781a4 | 3122 | if (IS_DIR_SEPARATOR (name[i])) |
e0040a8e RK |
3123 | break; |
3124 | ||
3125 | for (i++; i < len; i++) | |
853e0b2d RK |
3126 | if (name[i] == '.') |
3127 | return name; | |
3128 | ||
3129 | obstack_grow (&obstack, name, len); | |
5d9669fd RK |
3130 | obstack_grow0 (&obstack, TARGET_EXECUTABLE_SUFFIX, |
3131 | strlen (TARGET_EXECUTABLE_SUFFIX)); | |
7973fd2a | 3132 | name = XOBFINISH (&obstack, const char *); |
853e0b2d RK |
3133 | #endif |
3134 | ||
3135 | return name; | |
3136 | } | |
3137 | #endif | |
b8468bc7 NC |
3138 | \f |
3139 | /* Display the command line switches accepted by gcc. */ | |
3140 | static void | |
1d088dee | 3141 | display_help (void) |
b8468bc7 | 3142 | { |
5e4adfba PT |
3143 | printf (_("Usage: %s [options] file...\n"), programname); |
3144 | fputs (_("Options:\n"), stdout); | |
b8468bc7 | 3145 | |
5e4adfba PT |
3146 | fputs (_(" -pass-exit-codes Exit with highest error code from a phase\n"), stdout); |
3147 | fputs (_(" --help Display this information\n"), stdout); | |
91606ce2 | 3148 | fputs (_(" --target-help Display target specific command line options\n"), stdout); |
b8468bc7 | 3149 | if (! verbose_flag) |
5e4adfba PT |
3150 | fputs (_(" (Use '-v --help' to display command line options of sub-processes)\n"), stdout); |
3151 | fputs (_(" -dumpspecs Display all of the built in spec strings\n"), stdout); | |
3152 | fputs (_(" -dumpversion Display the version of the compiler\n"), stdout); | |
3153 | fputs (_(" -dumpmachine Display the compiler's target processor\n"), stdout); | |
3154 | fputs (_(" -print-search-dirs Display the directories in the compiler's search path\n"), stdout); | |
3155 | fputs (_(" -print-libgcc-file-name Display the name of the compiler's companion library\n"), stdout); | |
3156 | fputs (_(" -print-file-name=<lib> Display the full path to library <lib>\n"), stdout); | |
3157 | fputs (_(" -print-prog-name=<prog> Display the full path to compiler component <prog>\n"), stdout); | |
3158 | fputs (_(" -print-multi-directory Display the root directory for versions of libgcc\n"), stdout); | |
3159 | fputs (_("\ | |
3160 | -print-multi-lib Display the mapping between command line options and\n\ | |
3161 | multiple library search directories\n"), stdout); | |
5bbcd587 | 3162 | fputs (_(" -print-multi-os-directory Display the relative path to OS libraries\n"), stdout); |
5e4adfba PT |
3163 | fputs (_(" -Wa,<options> Pass comma-separated <options> on to the assembler\n"), stdout); |
3164 | fputs (_(" -Wp,<options> Pass comma-separated <options> on to the preprocessor\n"), stdout); | |
3165 | fputs (_(" -Wl,<options> Pass comma-separated <options> on to the linker\n"), stdout); | |
4977bab6 ZW |
3166 | fputs (_(" -Xassembler <arg> Pass <arg> on to the assembler\n"), stdout); |
3167 | fputs (_(" -Xpreprocessor <arg> Pass <arg> on to the preprocessor\n"), stdout); | |
5e4adfba | 3168 | fputs (_(" -Xlinker <arg> Pass <arg> on to the linker\n"), stdout); |
0855eab7 | 3169 | fputs (_(" -combine Pass multiple source files to compiler at once\n"), stdout); |
5e4adfba PT |
3170 | fputs (_(" -save-temps Do not delete intermediate files\n"), stdout); |
3171 | fputs (_(" -pipe Use pipes rather than intermediate files\n"), stdout); | |
3172 | fputs (_(" -time Time the execution of each subprocess\n"), stdout); | |
b0287a90 | 3173 | fputs (_(" -specs=<file> Override built-in specs with the contents of <file>\n"), stdout); |
5e4adfba | 3174 | fputs (_(" -std=<standard> Assume that the input sources are for <standard>\n"), stdout); |
160633c6 MM |
3175 | fputs (_("\ |
3176 | --sysroot=<directory> Use <directory> as the root directory for headers\n\ | |
3177 | for headers and libraries\n"), stdout); | |
5e4adfba PT |
3178 | fputs (_(" -B <directory> Add <directory> to the compiler's search paths\n"), stdout); |
3179 | fputs (_(" -b <machine> Run gcc for target <machine>, if installed\n"), stdout); | |
3180 | fputs (_(" -V <version> Run gcc version number <version>, if installed\n"), stdout); | |
3181 | fputs (_(" -v Display the programs invoked by the compiler\n"), stdout); | |
99f78cdd | 3182 | fputs (_(" -### Like -v but options quoted and commands not executed\n"), stdout); |
5e4adfba PT |
3183 | fputs (_(" -E Preprocess only; do not compile, assemble or link\n"), stdout); |
3184 | fputs (_(" -S Compile only; do not assemble or link\n"), stdout); | |
3185 | fputs (_(" -c Compile and assemble, but do not link\n"), stdout); | |
3186 | fputs (_(" -o <file> Place the output into <file>\n"), stdout); | |
3187 | fputs (_("\ | |
3188 | -x <language> Specify the language of the following input files\n\ | |
8e854b76 | 3189 | Permissible languages include: c c++ assembler none\n\ |
1737c953 | 3190 | 'none' means revert to the default behavior of\n\ |
5e4adfba PT |
3191 | guessing the language based on the file's extension\n\ |
3192 | "), stdout); | |
3193 | ||
0c386769 | 3194 | printf (_("\ |
d991c721 BK |
3195 | \nOptions starting with -g, -f, -m, -O, -W, or --param are automatically\n\ |
3196 | passed on to the various sub-processes invoked by %s. In order to pass\n\ | |
3197 | other options on to these processes the -W<letter> options must be used.\n\ | |
0c386769 | 3198 | "), programname); |
b8468bc7 NC |
3199 | |
3200 | /* The rest of the options are displayed by invocations of the various | |
3201 | sub-processes. */ | |
3202 | } | |
3203 | ||
9218435e | 3204 | static void |
1d088dee | 3205 | add_preprocessor_option (const char *option, int len) |
9218435e | 3206 | { |
878f32c3 | 3207 | n_preprocessor_options++; |
9218435e | 3208 | |
878f32c3 | 3209 | if (! preprocessor_options) |
703ad42b | 3210 | preprocessor_options = xmalloc (n_preprocessor_options * sizeof (char *)); |
878f32c3 | 3211 | else |
703ad42b KG |
3212 | preprocessor_options = xrealloc (preprocessor_options, |
3213 | n_preprocessor_options * sizeof (char *)); | |
9218435e | 3214 | |
878f32c3 KG |
3215 | preprocessor_options [n_preprocessor_options - 1] = |
3216 | save_string (option, len); | |
40f943dd | 3217 | } |
9218435e KH |
3218 | |
3219 | static void | |
1d088dee | 3220 | add_assembler_option (const char *option, int len) |
878f32c3 KG |
3221 | { |
3222 | n_assembler_options++; | |
3223 | ||
3224 | if (! assembler_options) | |
703ad42b | 3225 | assembler_options = xmalloc (n_assembler_options * sizeof (char *)); |
878f32c3 | 3226 | else |
703ad42b KG |
3227 | assembler_options = xrealloc (assembler_options, |
3228 | n_assembler_options * sizeof (char *)); | |
878f32c3 KG |
3229 | |
3230 | assembler_options [n_assembler_options - 1] = save_string (option, len); | |
b8468bc7 | 3231 | } |
9218435e KH |
3232 | |
3233 | static void | |
1d088dee | 3234 | add_linker_option (const char *option, int len) |
878f32c3 KG |
3235 | { |
3236 | n_linker_options++; | |
3237 | ||
3238 | if (! linker_options) | |
703ad42b | 3239 | linker_options = xmalloc (n_linker_options * sizeof (char *)); |
878f32c3 | 3240 | else |
703ad42b KG |
3241 | linker_options = xrealloc (linker_options, |
3242 | n_linker_options * sizeof (char *)); | |
878f32c3 KG |
3243 | |
3244 | linker_options [n_linker_options - 1] = save_string (option, len); | |
40f943dd | 3245 | } |
853e0b2d | 3246 | \f |
ed1f651b RS |
3247 | /* Create the vector `switches' and its contents. |
3248 | Store its length in `n_switches'. */ | |
3249 | ||
3250 | static void | |
e451301f | 3251 | process_command (int argc, const char **argv) |
ed1f651b | 3252 | { |
b3694847 | 3253 | int i; |
878f32c3 KG |
3254 | const char *temp; |
3255 | char *temp1; | |
fbd40359 | 3256 | const char *spec_lang = 0; |
ed1f651b | 3257 | int last_language_n_infiles; |
3a265431 | 3258 | int lang_n_infiles = 0; |
dc36ec2c RK |
3259 | #ifdef MODIFY_TARGET_NAME |
3260 | int is_modify_target_name; | |
2e59adac | 3261 | int j; |
dc36ec2c | 3262 | #endif |
ed1f651b | 3263 | |
2f8dd115 | 3264 | GET_ENVIRONMENT (gcc_exec_prefix, "GCC_EXEC_PREFIX"); |
8eebb258 | 3265 | |
ed1f651b RS |
3266 | n_switches = 0; |
3267 | n_infiles = 0; | |
a2a05b0a | 3268 | added_libraries = 0; |
2484b6d2 | 3269 | |
53117a2f RK |
3270 | /* Figure compiler version from version string. */ |
3271 | ||
9218435e | 3272 | compiler_version = temp1 = xstrdup (version_string); |
ad85216e | 3273 | |
878f32c3 | 3274 | for (; *temp1; ++temp1) |
53117a2f | 3275 | { |
878f32c3 | 3276 | if (*temp1 == ' ') |
53117a2f | 3277 | { |
878f32c3 | 3278 | *temp1 = '\0'; |
53117a2f RK |
3279 | break; |
3280 | } | |
3281 | } | |
ed1f651b | 3282 | |
37a4aa31 | 3283 | /* If there is a -V or -b option (or both), process it now, before |
3300bf07 PG |
3284 | trying to interpret the rest of the command line. |
3285 | Use heuristic that all configuration names must have at least | |
3286 | one dash '-'. This allows us to pass options starting with -b. */ | |
37a4aa31 | 3287 | if (argc > 1 && argv[1][0] == '-' |
3300bf07 PG |
3288 | && (argv[1][1] == 'V' || |
3289 | ((argv[1][1] == 'b') && (NULL != strchr(argv[1] + 2,'-'))))) | |
37a4aa31 GK |
3290 | { |
3291 | const char *new_version = DEFAULT_TARGET_VERSION; | |
3292 | const char *new_machine = DEFAULT_TARGET_MACHINE; | |
ea16b5ee RS |
3293 | const char *progname = argv[0]; |
3294 | char **new_argv; | |
37a4aa31 GK |
3295 | char *new_argv0; |
3296 | int baselen; | |
1d088dee | 3297 | |
ea16b5ee | 3298 | while (argc > 1 && argv[1][0] == '-' |
3300bf07 PG |
3299 | && (argv[1][1] == 'V' || |
3300 | ((argv[1][1] == 'b') && ( NULL != strchr(argv[1] + 2,'-'))))) | |
37a4aa31 | 3301 | { |
ea16b5ee | 3302 | char opt = argv[1][1]; |
37a4aa31 | 3303 | const char *arg; |
ea16b5ee | 3304 | if (argv[1][2] != '\0') |
37a4aa31 | 3305 | { |
ea16b5ee | 3306 | arg = argv[1] + 2; |
37a4aa31 | 3307 | argc -= 1; |
ea16b5ee | 3308 | argv += 1; |
37a4aa31 GK |
3309 | } |
3310 | else if (argc > 2) | |
3311 | { | |
ea16b5ee | 3312 | arg = argv[2]; |
37a4aa31 | 3313 | argc -= 2; |
ea16b5ee | 3314 | argv += 2; |
37a4aa31 GK |
3315 | } |
3316 | else | |
9e637a26 | 3317 | fatal ("'-%c' option must have argument", opt); |
37a4aa31 GK |
3318 | if (opt == 'V') |
3319 | new_version = arg; | |
3320 | else | |
3321 | new_machine = arg; | |
3322 | } | |
3323 | ||
ea16b5ee RS |
3324 | for (baselen = strlen (progname); baselen > 0; baselen--) |
3325 | if (IS_DIR_SEPARATOR (progname[baselen-1])) | |
37a4aa31 | 3326 | break; |
1d088dee | 3327 | new_argv0 = xmemdup (progname, baselen, |
37a4aa31 GK |
3328 | baselen + concat_length (new_version, new_machine, |
3329 | "-gcc-", NULL) + 1); | |
3330 | strcpy (new_argv0 + baselen, new_machine); | |
3331 | strcat (new_argv0, "-gcc-"); | |
3332 | strcat (new_argv0, new_version); | |
3333 | ||
ea16b5ee RS |
3334 | new_argv = xmemdup (argv, (argc + 1) * sizeof (argv[0]), |
3335 | (argc + 1) * sizeof (argv[0])); | |
37a4aa31 GK |
3336 | new_argv[0] = new_argv0; |
3337 | ||
3338 | execvp (new_argv0, new_argv); | |
9e637a26 | 3339 | fatal ("couldn't run '%s': %s", new_argv0, xstrerror (errno)); |
37a4aa31 GK |
3340 | } |
3341 | ||
0deb20df TT |
3342 | /* Set up the default search paths. If there is no GCC_EXEC_PREFIX, |
3343 | see if we can create it from the pathname specified in argv[0]. */ | |
3344 | ||
a8ee6e2d | 3345 | gcc_libexec_prefix = standard_libexec_prefix; |
0deb20df TT |
3346 | #ifndef VMS |
3347 | /* FIXME: make_relative_prefix doesn't yet work for VMS. */ | |
3348 | if (!gcc_exec_prefix) | |
3349 | { | |
3350 | gcc_exec_prefix = make_relative_prefix (argv[0], standard_bindir_prefix, | |
3351 | standard_exec_prefix); | |
7904f95f | 3352 | gcc_libexec_prefix = make_relative_prefix (argv[0], |
a8ee6e2d GK |
3353 | standard_bindir_prefix, |
3354 | standard_libexec_prefix); | |
0deb20df | 3355 | if (gcc_exec_prefix) |
d4f2852f | 3356 | putenv (concat ("GCC_EXEC_PREFIX=", gcc_exec_prefix, NULL)); |
0deb20df | 3357 | } |
a8ee6e2d GK |
3358 | else |
3359 | gcc_libexec_prefix = make_relative_prefix (gcc_exec_prefix, | |
3360 | standard_exec_prefix, | |
3361 | standard_libexec_prefix); | |
3362 | #else | |
0deb20df | 3363 | #endif |
ed1f651b | 3364 | |
8eebb258 | 3365 | if (gcc_exec_prefix) |
ed1f651b | 3366 | { |
6ed4bb9a | 3367 | int len = strlen (gcc_exec_prefix); |
c5c0b3d9 | 3368 | |
a8ee6e2d | 3369 | if (len > (int) sizeof ("/lib/gcc/") - 1 |
509781a4 | 3370 | && (IS_DIR_SEPARATOR (gcc_exec_prefix[len-1]))) |
6ed4bb9a | 3371 | { |
a8ee6e2d | 3372 | temp = gcc_exec_prefix + len - sizeof ("/lib/gcc/") + 1; |
509781a4 | 3373 | if (IS_DIR_SEPARATOR (*temp) |
d25a45d4 | 3374 | && strncmp (temp + 1, "lib", 3) == 0 |
509781a4 | 3375 | && IS_DIR_SEPARATOR (temp[4]) |
c5ef564b | 3376 | && strncmp (temp + 5, "gcc", 3) == 0) |
a8ee6e2d | 3377 | len -= sizeof ("/lib/gcc/") - 1; |
6ed4bb9a MM |
3378 | } |
3379 | ||
3380 | set_std_prefix (gcc_exec_prefix, len); | |
a8ee6e2d | 3381 | add_prefix (&exec_prefixes, gcc_libexec_prefix, "GCC", |
1a5d37a1 | 3382 | PREFIX_PRIORITY_LAST, 0, 0); |
922a4beb | 3383 | add_prefix (&startfile_prefixes, gcc_exec_prefix, "GCC", |
1a5d37a1 | 3384 | PREFIX_PRIORITY_LAST, 0, 0); |
ed1f651b RS |
3385 | } |
3386 | ||
3387 | /* COMPILER_PATH and LIBRARY_PATH have values | |
3388 | that are lists of directory names with colons. */ | |
3389 | ||
2f8dd115 | 3390 | GET_ENVIRONMENT (temp, "COMPILER_PATH"); |
ed1f651b RS |
3391 | if (temp) |
3392 | { | |
878f32c3 | 3393 | const char *startp, *endp; |
703ad42b | 3394 | char *nstore = alloca (strlen (temp) + 3); |
ed1f651b RS |
3395 | |
3396 | startp = endp = temp; | |
3397 | while (1) | |
3398 | { | |
f6ec7e54 | 3399 | if (*endp == PATH_SEPARATOR || *endp == 0) |
ed1f651b | 3400 | { |
d25a45d4 | 3401 | strncpy (nstore, startp, endp - startp); |
ed1f651b | 3402 | if (endp == startp) |
d4f2852f | 3403 | strcpy (nstore, concat (".", dir_separator_str, NULL)); |
509781a4 | 3404 | else if (!IS_DIR_SEPARATOR (endp[-1])) |
ed1f651b | 3405 | { |
d25a45d4 KH |
3406 | nstore[endp - startp] = DIR_SEPARATOR; |
3407 | nstore[endp - startp + 1] = 0; | |
ed1f651b RS |
3408 | } |
3409 | else | |
d25a45d4 | 3410 | nstore[endp - startp] = 0; |
922a4beb | 3411 | add_prefix (&exec_prefixes, nstore, 0, |
1a5d37a1 | 3412 | PREFIX_PRIORITY_LAST, 0, 0); |
76391e5a | 3413 | add_prefix (&include_prefixes, nstore, 0, |
1a5d37a1 | 3414 | PREFIX_PRIORITY_LAST, 0, 0); |
ed1f651b RS |
3415 | if (*endp == 0) |
3416 | break; | |
3417 | endp = startp = endp + 1; | |
3418 | } | |
3419 | else | |
3420 | endp++; | |
3421 | } | |
3422 | } | |
3423 | ||
2f8dd115 | 3424 | GET_ENVIRONMENT (temp, LIBRARY_PATH_ENV); |
fcc9ad83 | 3425 | if (temp && *cross_compile == '0') |
ed1f651b | 3426 | { |
878f32c3 | 3427 | const char *startp, *endp; |
703ad42b | 3428 | char *nstore = alloca (strlen (temp) + 3); |
ed1f651b RS |
3429 | |
3430 | startp = endp = temp; | |
3431 | while (1) | |
3432 | { | |
f6ec7e54 | 3433 | if (*endp == PATH_SEPARATOR || *endp == 0) |
ed1f651b | 3434 | { |
d25a45d4 | 3435 | strncpy (nstore, startp, endp - startp); |
ed1f651b | 3436 | if (endp == startp) |
d4f2852f | 3437 | strcpy (nstore, concat (".", dir_separator_str, NULL)); |
509781a4 | 3438 | else if (!IS_DIR_SEPARATOR (endp[-1])) |
ed1f651b | 3439 | { |
d25a45d4 KH |
3440 | nstore[endp - startp] = DIR_SEPARATOR; |
3441 | nstore[endp - startp + 1] = 0; | |
ed1f651b RS |
3442 | } |
3443 | else | |
d25a45d4 | 3444 | nstore[endp - startp] = 0; |
6496a589 | 3445 | add_prefix (&startfile_prefixes, nstore, NULL, |
1a5d37a1 | 3446 | PREFIX_PRIORITY_LAST, 0, 1); |
ed1f651b RS |
3447 | if (*endp == 0) |
3448 | break; | |
3449 | endp = startp = endp + 1; | |
3450 | } | |
3451 | else | |
3452 | endp++; | |
3453 | } | |
3454 | } | |
3455 | ||
3456 | /* Use LPATH like LIBRARY_PATH (for the CMU build program). */ | |
2f8dd115 | 3457 | GET_ENVIRONMENT (temp, "LPATH"); |
fcc9ad83 | 3458 | if (temp && *cross_compile == '0') |
ed1f651b | 3459 | { |
878f32c3 | 3460 | const char *startp, *endp; |
703ad42b | 3461 | char *nstore = alloca (strlen (temp) + 3); |
ed1f651b RS |
3462 | |
3463 | startp = endp = temp; | |
3464 | while (1) | |
3465 | { | |
f6ec7e54 | 3466 | if (*endp == PATH_SEPARATOR || *endp == 0) |
ed1f651b | 3467 | { |
d25a45d4 | 3468 | strncpy (nstore, startp, endp - startp); |
ed1f651b | 3469 | if (endp == startp) |
d4f2852f | 3470 | strcpy (nstore, concat (".", dir_separator_str, NULL)); |
509781a4 | 3471 | else if (!IS_DIR_SEPARATOR (endp[-1])) |
ed1f651b | 3472 | { |
d25a45d4 KH |
3473 | nstore[endp - startp] = DIR_SEPARATOR; |
3474 | nstore[endp - startp + 1] = 0; | |
ed1f651b RS |
3475 | } |
3476 | else | |
d25a45d4 | 3477 | nstore[endp - startp] = 0; |
6496a589 | 3478 | add_prefix (&startfile_prefixes, nstore, NULL, |
1a5d37a1 | 3479 | PREFIX_PRIORITY_LAST, 0, 1); |
ed1f651b RS |
3480 | if (*endp == 0) |
3481 | break; | |
3482 | endp = startp = endp + 1; | |
3483 | } | |
3484 | else | |
3485 | endp++; | |
3486 | } | |
3487 | } | |
3488 | ||
f2faf549 | 3489 | /* Convert new-style -- options to old-style. */ |
e451301f | 3490 | translate_options (&argc, (const char *const **) &argv); |
f2faf549 | 3491 | |
610c62ac | 3492 | /* Do language-specific adjustment/addition of flags. */ |
e451301f | 3493 | lang_specific_driver (&argc, (const char *const **) &argv, &added_libraries); |
610c62ac | 3494 | |
ed1f651b RS |
3495 | /* Scan argv twice. Here, the first time, just count how many switches |
3496 | there will be in their vector, and how many input files in theirs. | |
3497 | Here we also parse the switches that cc itself uses (e.g. -v). */ | |
3498 | ||
3499 | for (i = 1; i < argc; i++) | |
3500 | { | |
3501 | if (! strcmp (argv[i], "-dumpspecs")) | |
3502 | { | |
79aff5ac | 3503 | struct spec_list *sl; |
03fc1620 | 3504 | init_spec (); |
79aff5ac MM |
3505 | for (sl = specs; sl; sl = sl->next) |
3506 | printf ("*%s:\n%s\n\n", sl->name, *(sl->ptr_spec)); | |
d25a45d4 KH |
3507 | if (link_command_spec) |
3508 | printf ("*link_command:\n%s\n\n", link_command_spec); | |
ed1f651b RS |
3509 | exit (0); |
3510 | } | |
3511 | else if (! strcmp (argv[i], "-dumpversion")) | |
3512 | { | |
e5e809f4 | 3513 | printf ("%s\n", spec_version); |
ed1f651b RS |
3514 | exit (0); |
3515 | } | |
9b783fc9 RK |
3516 | else if (! strcmp (argv[i], "-dumpmachine")) |
3517 | { | |
3518 | printf ("%s\n", spec_machine); | |
d25a45d4 | 3519 | exit (0); |
9b783fc9 | 3520 | } |
3f595aa1 JM |
3521 | else if (strcmp (argv[i], "-fversion") == 0) |
3522 | { | |
3523 | /* translate_options () has turned --version into -fversion. */ | |
3524 | printf (_("%s (GCC) %s\n"), programname, version_string); | |
12d3e34b | 3525 | printf ("Copyright %s 2005 Free Software Foundation, Inc.\n", |
9f76f909 | 3526 | _("(C)")); |
3f595aa1 JM |
3527 | fputs (_("This is free software; see the source for copying conditions. There is NO\n\ |
3528 | warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.\n\n"), | |
3529 | stdout); | |
3530 | exit (0); | |
3531 | } | |
b8468bc7 NC |
3532 | else if (strcmp (argv[i], "-fhelp") == 0) |
3533 | { | |
3534 | /* translate_options () has turned --help into -fhelp. */ | |
3535 | print_help_list = 1; | |
3536 | ||
3537 | /* We will be passing a dummy file on to the sub-processes. */ | |
3538 | n_infiles++; | |
3539 | n_switches++; | |
9218435e | 3540 | |
69927b59 NB |
3541 | /* CPP driver cannot obtain switch from cc1_options. */ |
3542 | if (is_cpp_driver) | |
3543 | add_preprocessor_option ("--help", 6); | |
b8468bc7 NC |
3544 | add_assembler_option ("--help", 6); |
3545 | add_linker_option ("--help", 6); | |
3546 | } | |
91606ce2 | 3547 | else if (strcmp (argv[i], "-ftarget-help") == 0) |
589005ff KH |
3548 | { |
3549 | /* translate_options() has turned --target-help into -ftarget-help. */ | |
3550 | target_help_flag = 1; | |
91606ce2 | 3551 | |
589005ff KH |
3552 | /* We will be passing a dummy file on to the sub-processes. */ |
3553 | n_infiles++; | |
3554 | n_switches++; | |
91606ce2 | 3555 | |
69927b59 NB |
3556 | /* CPP driver cannot obtain switch from cc1_options. */ |
3557 | if (is_cpp_driver) | |
3558 | add_preprocessor_option ("--target-help", 13); | |
589005ff KH |
3559 | add_assembler_option ("--target-help", 13); |
3560 | add_linker_option ("--target-help", 13); | |
3561 | } | |
14a774a9 RK |
3562 | else if (! strcmp (argv[i], "-pass-exit-codes")) |
3563 | { | |
3564 | pass_exit_codes = 1; | |
3565 | n_switches++; | |
3566 | } | |
2628b9d3 DE |
3567 | else if (! strcmp (argv[i], "-print-search-dirs")) |
3568 | print_search_dirs = 1; | |
2dcb563f | 3569 | else if (! strcmp (argv[i], "-print-libgcc-file-name")) |
2628b9d3 | 3570 | print_file_name = "libgcc.a"; |
6a9e290e | 3571 | else if (! strncmp (argv[i], "-print-file-name=", 17)) |
2628b9d3 | 3572 | print_file_name = argv[i] + 17; |
6a9e290e | 3573 | else if (! strncmp (argv[i], "-print-prog-name=", 17)) |
2628b9d3 | 3574 | print_prog_name = argv[i] + 17; |
60103a34 DE |
3575 | else if (! strcmp (argv[i], "-print-multi-lib")) |
3576 | print_multi_lib = 1; | |
3577 | else if (! strcmp (argv[i], "-print-multi-directory")) | |
3578 | print_multi_directory = 1; | |
5bbcd587 JJ |
3579 | else if (! strcmp (argv[i], "-print-multi-os-directory")) |
3580 | print_multi_os_directory = 1; | |
c9ebacb8 RS |
3581 | else if (! strncmp (argv[i], "-Wa,", 4)) |
3582 | { | |
3583 | int prev, j; | |
3584 | /* Pass the rest of this option to the assembler. */ | |
3585 | ||
c9ebacb8 RS |
3586 | /* Split the argument at commas. */ |
3587 | prev = 4; | |
3588 | for (j = 4; argv[i][j]; j++) | |
3589 | if (argv[i][j] == ',') | |
3590 | { | |
b8468bc7 | 3591 | add_assembler_option (argv[i] + prev, j - prev); |
c9ebacb8 RS |
3592 | prev = j + 1; |
3593 | } | |
9218435e | 3594 | |
c9ebacb8 | 3595 | /* Record the part after the last comma. */ |
b8468bc7 | 3596 | add_assembler_option (argv[i] + prev, j - prev); |
c9ebacb8 | 3597 | } |
57cb9b60 JW |
3598 | else if (! strncmp (argv[i], "-Wp,", 4)) |
3599 | { | |
3600 | int prev, j; | |
3601 | /* Pass the rest of this option to the preprocessor. */ | |
3602 | ||
57cb9b60 JW |
3603 | /* Split the argument at commas. */ |
3604 | prev = 4; | |
3605 | for (j = 4; argv[i][j]; j++) | |
3606 | if (argv[i][j] == ',') | |
3607 | { | |
b8468bc7 | 3608 | add_preprocessor_option (argv[i] + prev, j - prev); |
57cb9b60 JW |
3609 | prev = j + 1; |
3610 | } | |
9218435e | 3611 | |
57cb9b60 | 3612 | /* Record the part after the last comma. */ |
b8468bc7 | 3613 | add_preprocessor_option (argv[i] + prev, j - prev); |
57cb9b60 | 3614 | } |
301a5c0b | 3615 | else if (argv[i][0] == '+' && argv[i][1] == 'e') |
f2faf549 | 3616 | /* The +e options to the C++ front-end. */ |
301a5c0b | 3617 | n_switches++; |
368dfd3a | 3618 | else if (strncmp (argv[i], "-Wl,", 4) == 0) |
9b226f90 TG |
3619 | { |
3620 | int j; | |
3621 | /* Split the argument at commas. */ | |
3622 | for (j = 3; argv[i][j]; j++) | |
3623 | n_infiles += (argv[i][j] == ','); | |
3624 | } | |
368dfd3a TG |
3625 | else if (strcmp (argv[i], "-Xlinker") == 0) |
3626 | { | |
3627 | if (i + 1 == argc) | |
9e637a26 | 3628 | fatal ("argument to '-Xlinker' is missing"); |
368dfd3a | 3629 | |
4275c4c4 JS |
3630 | n_infiles++; |
3631 | i++; | |
3632 | } | |
4977bab6 ZW |
3633 | else if (strcmp (argv[i], "-Xpreprocessor") == 0) |
3634 | { | |
3635 | if (i + 1 == argc) | |
9e637a26 | 3636 | fatal ("argument to '-Xpreprocessor' is missing"); |
4977bab6 ZW |
3637 | |
3638 | add_preprocessor_option (argv[i+1], strlen (argv[i+1])); | |
3639 | } | |
3640 | else if (strcmp (argv[i], "-Xassembler") == 0) | |
3641 | { | |
3642 | if (i + 1 == argc) | |
9e637a26 | 3643 | fatal ("argument to '-Xassembler' is missing"); |
4977bab6 ZW |
3644 | |
3645 | add_assembler_option (argv[i+1], strlen (argv[i+1])); | |
3646 | } | |
4275c4c4 JS |
3647 | else if (strcmp (argv[i], "-l") == 0) |
3648 | { | |
3649 | if (i + 1 == argc) | |
9e637a26 | 3650 | fatal ("argument to '-l' is missing"); |
4275c4c4 | 3651 | |
368dfd3a TG |
3652 | n_infiles++; |
3653 | i++; | |
3654 | } | |
3655 | else if (strncmp (argv[i], "-l", 2) == 0) | |
3656 | n_infiles++; | |
3a265431 DE |
3657 | else if (strcmp (argv[i], "-save-temps") == 0) |
3658 | { | |
3659 | save_temps_flag = 1; | |
3660 | n_switches++; | |
3661 | } | |
0855eab7 CT |
3662 | else if (strcmp (argv[i], "-combine") == 0) |
3663 | { | |
3664 | combine_flag = 1; | |
3665 | n_switches++; | |
3666 | } | |
d9ac3a07 MM |
3667 | else if (strcmp (argv[i], "-specs") == 0) |
3668 | { | |
703ad42b | 3669 | struct user_specs *user = xmalloc (sizeof (struct user_specs)); |
d9ac3a07 | 3670 | if (++i >= argc) |
9e637a26 | 3671 | fatal ("argument to '-specs' is missing"); |
d9ac3a07 | 3672 | |
9218435e | 3673 | user->next = (struct user_specs *) 0; |
d9ac3a07 MM |
3674 | user->filename = argv[i]; |
3675 | if (user_specs_tail) | |
3676 | user_specs_tail->next = user; | |
3677 | else | |
3678 | user_specs_head = user; | |
3679 | user_specs_tail = user; | |
3680 | } | |
3681 | else if (strncmp (argv[i], "-specs=", 7) == 0) | |
3682 | { | |
703ad42b | 3683 | struct user_specs *user = xmalloc (sizeof (struct user_specs)); |
d9ac3a07 | 3684 | if (strlen (argv[i]) == 7) |
9e637a26 | 3685 | fatal ("argument to '-specs=' is missing"); |
d9ac3a07 | 3686 | |
9218435e | 3687 | user->next = (struct user_specs *) 0; |
d25a45d4 | 3688 | user->filename = argv[i] + 7; |
d9ac3a07 MM |
3689 | if (user_specs_tail) |
3690 | user_specs_tail->next = user; | |
3691 | else | |
3692 | user_specs_head = user; | |
3693 | user_specs_tail = user; | |
3694 | } | |
03c41c05 ZW |
3695 | else if (strcmp (argv[i], "-time") == 0) |
3696 | report_times = 1; | |
4977bab6 ZW |
3697 | else if (strcmp (argv[i], "-pipe") == 0) |
3698 | { | |
3699 | /* -pipe has to go into the switches array as well as | |
3700 | setting a flag. */ | |
3701 | use_pipes = 1; | |
3702 | n_switches++; | |
3703 | } | |
99f78cdd IR |
3704 | else if (strcmp (argv[i], "-###") == 0) |
3705 | { | |
3706 | /* This is similar to -v except that there is no execution | |
3707 | of the commands and the echoed arguments are quoted. It | |
3708 | is intended for use in shell scripts to capture the | |
3709 | driver-generated command line. */ | |
3710 | verbose_only_flag++; | |
3711 | verbose_flag++; | |
3712 | } | |
368dfd3a | 3713 | else if (argv[i][0] == '-' && argv[i][1] != 0) |
ed1f651b | 3714 | { |
b3694847 SS |
3715 | const char *p = &argv[i][1]; |
3716 | int c = *p; | |
ed1f651b RS |
3717 | |
3718 | switch (c) | |
3719 | { | |
3720 | case 'b': | |
3300bf07 | 3721 | if (NULL == strchr(argv[i] + 2, '-')) break; |
37a4aa31 | 3722 | case 'V': |
9e637a26 | 3723 | fatal ("'-%c' must come at the start of the command line", c); |
ed1f651b RS |
3724 | break; |
3725 | ||
3726 | case 'B': | |
3727 | { | |
fbd40359 | 3728 | const char *value; |
07804c3b NC |
3729 | int len; |
3730 | ||
ed1f651b | 3731 | if (p[1] == 0 && i + 1 == argc) |
9e637a26 | 3732 | fatal ("argument to '-B' is missing"); |
ed1f651b RS |
3733 | if (p[1] == 0) |
3734 | value = argv[++i]; | |
3735 | else | |
3736 | value = p + 1; | |
07804c3b NC |
3737 | |
3738 | len = strlen (value); | |
3739 | ||
3740 | /* Catch the case where the user has forgotten to append a | |
cc712abf | 3741 | directory separator to the path. Note, they may be using |
07804c3b NC |
3742 | -B to add an executable name prefix, eg "i386-elf-", in |
3743 | order to distinguish between multiple installations of | |
3744 | GCC in the same directory. Hence we must check to see | |
3745 | if appending a directory separator actually makes a | |
3746 | valid directory name. */ | |
3747 | if (! IS_DIR_SEPARATOR (value [len - 1]) | |
00dcee0c | 3748 | && is_directory (value, false)) |
07804c3b | 3749 | { |
bbed13b1 KG |
3750 | char *tmp = xmalloc (len + 2); |
3751 | strcpy (tmp, value); | |
3752 | tmp[len] = DIR_SEPARATOR; | |
3753 | tmp[++ len] = 0; | |
3754 | value = tmp; | |
07804c3b | 3755 | } |
589005ff | 3756 | |
07804c3b NC |
3757 | /* As a kludge, if the arg is "[foo/]stageN/", just |
3758 | add "[foo/]include" to the include prefix. */ | |
3759 | if ((len == 7 | |
3760 | || (len > 7 | |
3761 | && (IS_DIR_SEPARATOR (value[len - 8])))) | |
3762 | && strncmp (value + len - 7, "stage", 5) == 0 | |
3763 | && ISDIGIT (value[len - 2]) | |
3764 | && (IS_DIR_SEPARATOR (value[len - 1]))) | |
3765 | { | |
3766 | if (len == 7) | |
76391e5a | 3767 | add_prefix (&include_prefixes, "./", NULL, |
1a5d37a1 | 3768 | PREFIX_PRIORITY_B_OPT, 0, 0); |
07804c3b NC |
3769 | else |
3770 | { | |
76391e5a PB |
3771 | char *string = xmalloc (len - 6); |
3772 | memcpy (string, value, len - 7); | |
3773 | string[len - 7] = 0; | |
3774 | add_prefix (&include_prefixes, string, NULL, | |
1a5d37a1 | 3775 | PREFIX_PRIORITY_B_OPT, 0, 0); |
07804c3b NC |
3776 | } |
3777 | } | |
3778 | ||
6496a589 | 3779 | add_prefix (&exec_prefixes, value, NULL, |
1a5d37a1 | 3780 | PREFIX_PRIORITY_B_OPT, 0, 0); |
6496a589 | 3781 | add_prefix (&startfile_prefixes, value, NULL, |
1a5d37a1 | 3782 | PREFIX_PRIORITY_B_OPT, 0, 0); |
76391e5a | 3783 | add_prefix (&include_prefixes, value, NULL, |
1a5d37a1 | 3784 | PREFIX_PRIORITY_B_OPT, 0, 0); |
d25a45d4 | 3785 | n_switches++; |
ed1f651b RS |
3786 | } |
3787 | break; | |
3788 | ||
3789 | case 'v': /* Print our subcommands and print versions. */ | |
ed1f651b | 3790 | n_switches++; |
8436fe35 RS |
3791 | /* If they do anything other than exactly `-v', don't set |
3792 | verbose_flag; rather, continue on to give the error. */ | |
3793 | if (p[1] != 0) | |
3794 | break; | |
3795 | verbose_flag++; | |
ed1f651b RS |
3796 | break; |
3797 | ||
88117d44 | 3798 | case 'S': |
3a265431 DE |
3799 | case 'c': |
3800 | if (p[1] == 0) | |
ed1f651b | 3801 | { |
3a265431 | 3802 | have_c = 1; |
8eebb258 | 3803 | n_switches++; |
ed1f651b RS |
3804 | break; |
3805 | } | |
5fc08cad | 3806 | goto normal_switch; |
f2cf3e1e | 3807 | |
f2cf3e1e | 3808 | case 'o': |
af41c57d | 3809 | have_o = 1; |
45936a85 | 3810 | #if defined(HAVE_TARGET_EXECUTABLE_SUFFIX) |
88117d44 NC |
3811 | if (! have_c) |
3812 | { | |
3813 | int skip; | |
9218435e | 3814 | |
88117d44 NC |
3815 | /* Forward scan, just in case -S or -c is specified |
3816 | after -o. */ | |
3817 | int j = i + 1; | |
3818 | if (p[1] == 0) | |
3819 | ++j; | |
3820 | while (j < argc) | |
3821 | { | |
3822 | if (argv[j][0] == '-') | |
3823 | { | |
3824 | if (SWITCH_CURTAILS_COMPILATION (argv[j][1]) | |
3825 | && argv[j][2] == 0) | |
3826 | { | |
3827 | have_c = 1; | |
3828 | break; | |
3829 | } | |
caa297fe | 3830 | else if ((skip = SWITCH_TAKES_ARG (argv[j][1]))) |
88117d44 | 3831 | j += skip - (argv[j][2] != 0); |
caa297fe | 3832 | else if ((skip = WORD_SWITCH_TAKES_ARG (argv[j] + 1))) |
88117d44 NC |
3833 | j += skip; |
3834 | } | |
3835 | j++; | |
3836 | } | |
3837 | } | |
3838 | #endif | |
45936a85 | 3839 | #if defined(HAVE_TARGET_EXECUTABLE_SUFFIX) || defined(HAVE_TARGET_OBJECT_SUFFIX) |
853e0b2d | 3840 | if (p[1] == 0) |
a9657ce8 | 3841 | argv[i + 1] = convert_filename (argv[i + 1], ! have_c, 0); |
88117d44 | 3842 | else |
a9657ce8 | 3843 | argv[i] = convert_filename (argv[i], ! have_c, 0); |
853e0b2d | 3844 | #endif |
5fc08cad | 3845 | goto normal_switch; |
f2cf3e1e | 3846 | |
ed1f651b | 3847 | default: |
5fc08cad | 3848 | normal_switch: |
dc36ec2c RK |
3849 | |
3850 | #ifdef MODIFY_TARGET_NAME | |
3851 | is_modify_target_name = 0; | |
3852 | ||
ca7558fc | 3853 | for (j = 0; j < ARRAY_SIZE (modify_target); j++) |
dc36ec2c RK |
3854 | if (! strcmp (argv[i], modify_target[j].sw)) |
3855 | { | |
703ad42b KG |
3856 | char *new_name = xmalloc (strlen (modify_target[j].str) |
3857 | + strlen (spec_machine)); | |
dc36ec2c RK |
3858 | const char *p, *r; |
3859 | char *q; | |
3860 | int made_addition = 0; | |
3861 | ||
3862 | is_modify_target_name = 1; | |
3863 | for (p = spec_machine, q = new_name; *p != 0; ) | |
3864 | { | |
3865 | if (modify_target[j].add_del == DELETE | |
3866 | && (! strncmp (q, modify_target[j].str, | |
3867 | strlen (modify_target[j].str)))) | |
3868 | p += strlen (modify_target[j].str); | |
3869 | else if (modify_target[j].add_del == ADD | |
3870 | && ! made_addition && *p == '-') | |
3871 | { | |
3872 | for (r = modify_target[j].str; *r != 0; ) | |
3873 | *q++ = *r++; | |
3874 | made_addition = 1; | |
3875 | } | |
3876 | ||
3877 | *q++ = *p++; | |
3878 | } | |
3879 | ||
3880 | spec_machine = new_name; | |
3881 | } | |
3882 | ||
3883 | if (is_modify_target_name) | |
3884 | break; | |
589005ff | 3885 | #endif |
dc36ec2c | 3886 | |
ed1f651b RS |
3887 | n_switches++; |
3888 | ||
3889 | if (SWITCH_TAKES_ARG (c) > (p[1] != 0)) | |
3890 | i += SWITCH_TAKES_ARG (c) - (p[1] != 0); | |
3891 | else if (WORD_SWITCH_TAKES_ARG (p)) | |
3892 | i += WORD_SWITCH_TAKES_ARG (p); | |
3893 | } | |
3894 | } | |
3895 | else | |
3a265431 DE |
3896 | { |
3897 | n_infiles++; | |
3898 | lang_n_infiles++; | |
3899 | } | |
ed1f651b RS |
3900 | } |
3901 | ||
054e88a8 | 3902 | if (save_temps_flag && use_pipes) |
4977bab6 ZW |
3903 | { |
3904 | /* -save-temps overrides -pipe, so that temp files are produced */ | |
3905 | if (save_temps_flag) | |
3906 | error ("warning: -pipe ignored because -save-temps specified"); | |
4977bab6 ZW |
3907 | use_pipes = 0; |
3908 | } | |
1d088dee | 3909 | |
ed1f651b RS |
3910 | /* Set up the search paths before we go looking for config files. */ |
3911 | ||
3912 | /* These come before the md prefixes so that we will find gcc's subcommands | |
3913 | (such as cpp) rather than those of the host system. */ | |
ae04227b CH |
3914 | /* Use 2 as fourth arg meaning try just the machine as a suffix, |
3915 | as well as trying the machine and the version. */ | |
48ff801b | 3916 | #ifndef OS2 |
a8ee6e2d | 3917 | add_prefix (&exec_prefixes, standard_libexec_prefix, "GCC", |
1a5d37a1 | 3918 | PREFIX_PRIORITY_LAST, 1, 0); |
a8ee6e2d | 3919 | add_prefix (&exec_prefixes, standard_libexec_prefix, "BINUTILS", |
1a5d37a1 | 3920 | PREFIX_PRIORITY_LAST, 2, 0); |
e9a25f70 | 3921 | add_prefix (&exec_prefixes, standard_exec_prefix, "BINUTILS", |
1a5d37a1 | 3922 | PREFIX_PRIORITY_LAST, 2, 0); |
e9a25f70 | 3923 | add_prefix (&exec_prefixes, standard_exec_prefix_1, "BINUTILS", |
1a5d37a1 | 3924 | PREFIX_PRIORITY_LAST, 2, 0); |
a8ee6e2d | 3925 | add_prefix (&exec_prefixes, standard_exec_prefix_2, "BINUTILS", |
1a5d37a1 | 3926 | PREFIX_PRIORITY_LAST, 2, 0); |
48ff801b | 3927 | #endif |
ed1f651b | 3928 | |
e9a25f70 | 3929 | add_prefix (&startfile_prefixes, standard_exec_prefix, "BINUTILS", |
1a5d37a1 | 3930 | PREFIX_PRIORITY_LAST, 1, 0); |
a8ee6e2d | 3931 | add_prefix (&startfile_prefixes, standard_exec_prefix_2, "BINUTILS", |
1a5d37a1 | 3932 | PREFIX_PRIORITY_LAST, 1, 0); |
ed1f651b | 3933 | |
9218435e | 3934 | tooldir_prefix = concat (tooldir_base_prefix, spec_machine, |
d4f2852f | 3935 | dir_separator_str, NULL); |
c648ab8a | 3936 | |
48ff801b | 3937 | /* If tooldir is relative, base it on exec_prefixes. A relative |
c648ab8a RS |
3938 | tooldir lets us move the installed tree as a unit. |
3939 | ||
3940 | If GCC_EXEC_PREFIX is defined, then we want to add two relative | |
3941 | directories, so that we can search both the user specified directory | |
3942 | and the standard place. */ | |
3943 | ||
3dce1408 | 3944 | if (!IS_ABSOLUTE_PATH (tooldir_prefix)) |
c648ab8a RS |
3945 | { |
3946 | if (gcc_exec_prefix) | |
3947 | { | |
3948 | char *gcc_exec_tooldir_prefix | |
6aa62cff | 3949 | = concat (gcc_exec_prefix, spec_machine, dir_separator_str, |
d4f2852f | 3950 | spec_version, dir_separator_str, tooldir_prefix, NULL); |
c648ab8a | 3951 | |
48ff801b | 3952 | add_prefix (&exec_prefixes, |
9218435e | 3953 | concat (gcc_exec_tooldir_prefix, "bin", |
d4f2852f | 3954 | dir_separator_str, NULL), |
1a5d37a1 | 3955 | NULL, PREFIX_PRIORITY_LAST, 0, 0); |
48ff801b | 3956 | add_prefix (&startfile_prefixes, |
9218435e | 3957 | concat (gcc_exec_tooldir_prefix, "lib", |
d4f2852f | 3958 | dir_separator_str, NULL), |
1a5d37a1 | 3959 | NULL, PREFIX_PRIORITY_LAST, 0, 1); |
c648ab8a RS |
3960 | } |
3961 | ||
6aa62cff | 3962 | tooldir_prefix = concat (standard_exec_prefix, spec_machine, |
9218435e | 3963 | dir_separator_str, spec_version, |
d4f2852f | 3964 | dir_separator_str, tooldir_prefix, NULL); |
c648ab8a RS |
3965 | } |
3966 | ||
9218435e | 3967 | add_prefix (&exec_prefixes, |
d4f2852f | 3968 | concat (tooldir_prefix, "bin", dir_separator_str, NULL), |
1a5d37a1 | 3969 | "BINUTILS", PREFIX_PRIORITY_LAST, 0, 0); |
48ff801b | 3970 | add_prefix (&startfile_prefixes, |
d4f2852f | 3971 | concat (tooldir_prefix, "lib", dir_separator_str, NULL), |
1a5d37a1 | 3972 | "BINUTILS", PREFIX_PRIORITY_LAST, 0, 1); |
f18fd956 | 3973 | |
047d636f DJ |
3974 | #if defined(TARGET_SYSTEM_ROOT_RELOCATABLE) && !defined(VMS) |
3975 | /* If the normal TARGET_SYSTEM_ROOT is inside of $exec_prefix, | |
3976 | then consider it to relocate with the rest of the GCC installation | |
3977 | if GCC_EXEC_PREFIX is set. | |
3978 | ``make_relative_prefix'' is not compiled for VMS, so don't call it. */ | |
4977bab6 ZW |
3979 | if (target_system_root && gcc_exec_prefix) |
3980 | { | |
3981 | char *tmp_prefix = make_relative_prefix (argv[0], | |
3982 | standard_bindir_prefix, | |
3983 | target_system_root); | |
3984 | if (tmp_prefix && access_check (tmp_prefix, F_OK) == 0) | |
047d636f DJ |
3985 | { |
3986 | target_system_root = tmp_prefix; | |
3987 | target_system_root_changed = 1; | |
3988 | } | |
4977bab6 | 3989 | } |
047d636f | 3990 | #endif |
4977bab6 | 3991 | |
004fd4d5 RS |
3992 | /* More prefixes are enabled in main, after we read the specs file |
3993 | and determine whether this is cross-compilation or not. */ | |
ed1f651b | 3994 | |
ed1f651b RS |
3995 | /* Then create the space for the vectors and scan again. */ |
3996 | ||
703ad42b KG |
3997 | switches = xmalloc ((n_switches + 1) * sizeof (struct switchstr)); |
3998 | infiles = xmalloc ((n_infiles + 1) * sizeof (struct infile)); | |
ed1f651b RS |
3999 | n_switches = 0; |
4000 | n_infiles = 0; | |
4001 | last_language_n_infiles = -1; | |
4002 | ||
4003 | /* This, time, copy the text of each switch and store a pointer | |
4004 | to the copy in the vector of switches. | |
4005 | Store all the infiles in their vector. */ | |
4006 | ||
4007 | for (i = 1; i < argc; i++) | |
4008 | { | |
2ef32c88 | 4009 | /* Just skip the switches that were handled by the preceding loop. */ |
dc36ec2c RK |
4010 | #ifdef MODIFY_TARGET_NAME |
4011 | is_modify_target_name = 0; | |
4012 | ||
ca7558fc | 4013 | for (j = 0; j < ARRAY_SIZE (modify_target); j++) |
dc36ec2c RK |
4014 | if (! strcmp (argv[i], modify_target[j].sw)) |
4015 | is_modify_target_name = 1; | |
4016 | ||
4017 | if (is_modify_target_name) | |
4018 | ; | |
4019 | else | |
4020 | #endif | |
368dfd3a | 4021 | if (! strncmp (argv[i], "-Wa,", 4)) |
2ef32c88 | 4022 | ; |
57cb9b60 JW |
4023 | else if (! strncmp (argv[i], "-Wp,", 4)) |
4024 | ; | |
14a774a9 RK |
4025 | else if (! strcmp (argv[i], "-pass-exit-codes")) |
4026 | ; | |
2628b9d3 DE |
4027 | else if (! strcmp (argv[i], "-print-search-dirs")) |
4028 | ; | |
2dcb563f | 4029 | else if (! strcmp (argv[i], "-print-libgcc-file-name")) |
2ef32c88 | 4030 | ; |
6a9e290e RK |
4031 | else if (! strncmp (argv[i], "-print-file-name=", 17)) |
4032 | ; | |
4033 | else if (! strncmp (argv[i], "-print-prog-name=", 17)) | |
4034 | ; | |
60103a34 DE |
4035 | else if (! strcmp (argv[i], "-print-multi-lib")) |
4036 | ; | |
4037 | else if (! strcmp (argv[i], "-print-multi-directory")) | |
4038 | ; | |
5bbcd587 JJ |
4039 | else if (! strcmp (argv[i], "-print-multi-os-directory")) |
4040 | ; | |
69927b59 NB |
4041 | else if (! strcmp (argv[i], "-ftarget-help")) |
4042 | ; | |
4043 | else if (! strcmp (argv[i], "-fhelp")) | |
4044 | ; | |
160633c6 MM |
4045 | else if (! strncmp (argv[i], "--sysroot=", strlen ("--sysroot="))) |
4046 | { | |
4047 | target_system_root = argv[i] + strlen ("--sysroot="); | |
4048 | target_system_root_changed = 1; | |
4049 | } | |
cc6fc442 RS |
4050 | else if (argv[i][0] == '+' && argv[i][1] == 'e') |
4051 | { | |
4052 | /* Compensate for the +e options to the C++ front-end; | |
a1c37766 | 4053 | they're there simply for cfront call-compatibility. We do |
cc6fc442 RS |
4054 | some magic in default_compilers to pass them down properly. |
4055 | Note we deliberately start at the `+' here, to avoid passing | |
4056 | -e0 or -e1 down into the linker. */ | |
4057 | switches[n_switches].part1 = &argv[i][0]; | |
4058 | switches[n_switches].args = 0; | |
8097c429 | 4059 | switches[n_switches].live_cond = SWITCH_OK; |
ab87f8c8 | 4060 | switches[n_switches].validated = 0; |
cc6fc442 RS |
4061 | n_switches++; |
4062 | } | |
368dfd3a TG |
4063 | else if (strncmp (argv[i], "-Wl,", 4) == 0) |
4064 | { | |
9b226f90 TG |
4065 | int prev, j; |
4066 | /* Split the argument at commas. */ | |
4067 | prev = 4; | |
4068 | for (j = 4; argv[i][j]; j++) | |
4069 | if (argv[i][j] == ',') | |
4070 | { | |
e5e809f4 | 4071 | infiles[n_infiles].language = "*"; |
9b226f90 TG |
4072 | infiles[n_infiles++].name |
4073 | = save_string (argv[i] + prev, j - prev); | |
4074 | prev = j + 1; | |
4075 | } | |
4076 | /* Record the part after the last comma. */ | |
e5e809f4 | 4077 | infiles[n_infiles].language = "*"; |
9b226f90 | 4078 | infiles[n_infiles++].name = argv[i] + prev; |
368dfd3a TG |
4079 | } |
4080 | else if (strcmp (argv[i], "-Xlinker") == 0) | |
4081 | { | |
e5e809f4 | 4082 | infiles[n_infiles].language = "*"; |
368dfd3a TG |
4083 | infiles[n_infiles++].name = argv[++i]; |
4084 | } | |
10bf9e8a JW |
4085 | /* Xassembler and Xpreprocessor were already handled in the first argv |
4086 | scan, so all we need to do here is ignore them and their argument. */ | |
4977bab6 | 4087 | else if (strcmp (argv[i], "-Xassembler") == 0) |
10bf9e8a | 4088 | i++; |
4977bab6 | 4089 | else if (strcmp (argv[i], "-Xpreprocessor") == 0) |
10bf9e8a | 4090 | i++; |
4275c4c4 JS |
4091 | else if (strcmp (argv[i], "-l") == 0) |
4092 | { /* POSIX allows separation of -l and the lib arg; | |
4093 | canonicalize by concatenating -l with its arg */ | |
4094 | infiles[n_infiles].language = "*"; | |
d4f2852f | 4095 | infiles[n_infiles++].name = concat ("-l", argv[++i], NULL); |
4275c4c4 | 4096 | } |
368dfd3a TG |
4097 | else if (strncmp (argv[i], "-l", 2) == 0) |
4098 | { | |
e5e809f4 | 4099 | infiles[n_infiles].language = "*"; |
368dfd3a TG |
4100 | infiles[n_infiles++].name = argv[i]; |
4101 | } | |
d9ac3a07 MM |
4102 | else if (strcmp (argv[i], "-specs") == 0) |
4103 | i++; | |
4104 | else if (strncmp (argv[i], "-specs=", 7) == 0) | |
4105 | ; | |
03c41c05 ZW |
4106 | else if (strcmp (argv[i], "-time") == 0) |
4107 | ; | |
99f78cdd IR |
4108 | else if (strcmp (argv[i], "-###") == 0) |
4109 | ; | |
368dfd3a | 4110 | else if (argv[i][0] == '-' && argv[i][1] != 0) |
ed1f651b | 4111 | { |
fbd40359 ZW |
4112 | const char *p = &argv[i][1]; |
4113 | int c = *p; | |
ed1f651b | 4114 | |
ed1f651b RS |
4115 | if (c == 'x') |
4116 | { | |
4117 | if (p[1] == 0 && i + 1 == argc) | |
9e637a26 | 4118 | fatal ("argument to '-x' is missing"); |
ed1f651b RS |
4119 | if (p[1] == 0) |
4120 | spec_lang = argv[++i]; | |
4121 | else | |
4122 | spec_lang = p + 1; | |
4123 | if (! strcmp (spec_lang, "none")) | |
34dd3838 RK |
4124 | /* Suppress the warning if -xnone comes after the last input |
4125 | file, because alternate command interfaces like g++ might | |
4126 | find it useful to place -xnone after each input file. */ | |
ed1f651b RS |
4127 | spec_lang = 0; |
4128 | else | |
4129 | last_language_n_infiles = n_infiles; | |
4130 | continue; | |
4131 | } | |
4132 | switches[n_switches].part1 = p; | |
4133 | /* Deal with option arguments in separate argv elements. */ | |
4134 | if ((SWITCH_TAKES_ARG (c) > (p[1] != 0)) | |
14553b75 RS |
4135 | || WORD_SWITCH_TAKES_ARG (p)) |
4136 | { | |
4137 | int j = 0; | |
4138 | int n_args = WORD_SWITCH_TAKES_ARG (p); | |
ed1f651b | 4139 | |
14553b75 RS |
4140 | if (n_args == 0) |
4141 | { | |
4142 | /* Count only the option arguments in separate argv elements. */ | |
4143 | n_args = SWITCH_TAKES_ARG (c) - (p[1] != 0); | |
4144 | } | |
4145 | if (i + n_args >= argc) | |
9e637a26 | 4146 | fatal ("argument to '-%s' is missing", p); |
14553b75 | 4147 | switches[n_switches].args |
703ad42b | 4148 | = xmalloc ((n_args + 1) * sizeof(const char *)); |
14553b75 RS |
4149 | while (j < n_args) |
4150 | switches[n_switches].args[j++] = argv[++i]; | |
4151 | /* Null-terminate the vector. */ | |
4152 | switches[n_switches].args[j] = 0; | |
ed1f651b | 4153 | } |
9473c522 | 4154 | else if (strchr (switches_need_spaces, c)) |
14553b75 | 4155 | { |
bb9da768 RK |
4156 | /* On some systems, ld cannot handle some options without |
4157 | a space. So split the option from its argument. */ | |
703ad42b | 4158 | char *part1 = xmalloc (2); |
bb9da768 RK |
4159 | part1[0] = c; |
4160 | part1[1] = '\0'; | |
9218435e | 4161 | |
bb9da768 | 4162 | switches[n_switches].part1 = part1; |
703ad42b | 4163 | switches[n_switches].args = xmalloc (2 * sizeof (const char *)); |
cb6edbcb | 4164 | switches[n_switches].args[0] = xstrdup (p+1); |
14553b75 RS |
4165 | switches[n_switches].args[1] = 0; |
4166 | } | |
4167 | else | |
ed1f651b | 4168 | switches[n_switches].args = 0; |
f5b0eb4e | 4169 | |
8097c429 | 4170 | switches[n_switches].live_cond = SWITCH_OK; |
ab87f8c8 | 4171 | switches[n_switches].validated = 0; |
9c1fcbfb | 4172 | switches[n_switches].ordering = 0; |
4977bab6 | 4173 | /* These are always valid, since gcc.c itself understands them. */ |
9db0819e RH |
4174 | if (!strcmp (p, "save-temps") |
4175 | || !strcmp (p, "static-libgcc") | |
4977bab6 ZW |
4176 | || !strcmp (p, "shared-libgcc") |
4177 | || !strcmp (p, "pipe")) | |
ab87f8c8 | 4178 | switches[n_switches].validated = 1; |
d25a45d4 KH |
4179 | else |
4180 | { | |
4181 | char ch = switches[n_switches].part1[0]; | |
37a4aa31 | 4182 | if (ch == 'B') |
d25a45d4 KH |
4183 | switches[n_switches].validated = 1; |
4184 | } | |
ed1f651b RS |
4185 | n_switches++; |
4186 | } | |
4187 | else | |
4188 | { | |
45936a85 | 4189 | #ifdef HAVE_TARGET_OBJECT_SUFFIX |
a9657ce8 | 4190 | argv[i] = convert_filename (argv[i], 0, access (argv[i], F_OK)); |
f70165f6 RK |
4191 | #endif |
4192 | ||
7257bbc6 | 4193 | if (strcmp (argv[i], "-") != 0 && access (argv[i], F_OK) < 0) |
48fb792a BK |
4194 | { |
4195 | perror_with_name (argv[i]); | |
4196 | error_count++; | |
4197 | } | |
4198 | else | |
4199 | { | |
4200 | infiles[n_infiles].language = spec_lang; | |
4201 | infiles[n_infiles++].name = argv[i]; | |
4202 | } | |
ed1f651b RS |
4203 | } |
4204 | } | |
4205 | ||
fa0d5369 | 4206 | if (n_infiles == last_language_n_infiles && spec_lang != 0) |
9e637a26 | 4207 | error ("warning: '-x %s' after last input file has no effect", spec_lang); |
ed1f651b | 4208 | |
69927b59 NB |
4209 | /* Ensure we only invoke each subprocess once. */ |
4210 | if (target_help_flag || print_help_list) | |
4211 | { | |
4212 | n_infiles = 1; | |
4213 | ||
4214 | /* Create a dummy input file, so that we can pass --target-help on to | |
4215 | the various sub-processes. */ | |
4216 | infiles[0].language = "c"; | |
4217 | infiles[0].name = "help-dummy"; | |
4218 | ||
4219 | if (target_help_flag) | |
4220 | { | |
4221 | switches[n_switches].part1 = "--target-help"; | |
4222 | switches[n_switches].args = 0; | |
4223 | switches[n_switches].live_cond = SWITCH_OK; | |
4224 | switches[n_switches].validated = 0; | |
4225 | ||
4226 | n_switches++; | |
4227 | } | |
4228 | ||
4229 | if (print_help_list) | |
4230 | { | |
4231 | switches[n_switches].part1 = "--help"; | |
4232 | switches[n_switches].args = 0; | |
4233 | switches[n_switches].live_cond = SWITCH_OK; | |
4234 | switches[n_switches].validated = 0; | |
4235 | ||
4236 | n_switches++; | |
4237 | } | |
4238 | } | |
4239 | ||
ed1f651b RS |
4240 | switches[n_switches].part1 = 0; |
4241 | infiles[n_infiles].name = 0; | |
4242 | } | |
b856c15d | 4243 | |
4977bab6 | 4244 | /* Store switches not filtered out by %<S in spec in COLLECT_GCC_OPTIONS |
b856c15d RO |
4245 | and place that in the environment. */ |
4246 | ||
4247 | static void | |
1d088dee | 4248 | set_collect_gcc_options (void) |
b856c15d RO |
4249 | { |
4250 | int i; | |
4251 | int first_time; | |
4252 | ||
4253 | /* Build COLLECT_GCC_OPTIONS to have all of the options specified to | |
4254 | the compiler. */ | |
4255 | obstack_grow (&collect_obstack, "COLLECT_GCC_OPTIONS=", | |
4256 | sizeof ("COLLECT_GCC_OPTIONS=") - 1); | |
4257 | ||
4258 | first_time = TRUE; | |
4259 | for (i = 0; (int) i < n_switches; i++) | |
4260 | { | |
4261 | const char *const *args; | |
4262 | const char *p, *q; | |
4263 | if (!first_time) | |
4264 | obstack_grow (&collect_obstack, " ", 1); | |
4265 | ||
4266 | first_time = FALSE; | |
4267 | ||
4268 | /* Ignore elided switches. */ | |
4269 | if (switches[i].live_cond == SWITCH_IGNORE) | |
4270 | continue; | |
4271 | ||
4272 | obstack_grow (&collect_obstack, "'-", 2); | |
4273 | q = switches[i].part1; | |
4274 | while ((p = strchr (q, '\''))) | |
4275 | { | |
4276 | obstack_grow (&collect_obstack, q, p - q); | |
4277 | obstack_grow (&collect_obstack, "'\\''", 4); | |
4278 | q = ++p; | |
4279 | } | |
4280 | obstack_grow (&collect_obstack, q, strlen (q)); | |
4281 | obstack_grow (&collect_obstack, "'", 1); | |
4282 | ||
4283 | for (args = switches[i].args; args && *args; args++) | |
4284 | { | |
4285 | obstack_grow (&collect_obstack, " '", 2); | |
4286 | q = *args; | |
4287 | while ((p = strchr (q, '\''))) | |
4288 | { | |
4289 | obstack_grow (&collect_obstack, q, p - q); | |
4290 | obstack_grow (&collect_obstack, "'\\''", 4); | |
4291 | q = ++p; | |
4292 | } | |
4293 | obstack_grow (&collect_obstack, q, strlen (q)); | |
4294 | obstack_grow (&collect_obstack, "'", 1); | |
4295 | } | |
4296 | } | |
4297 | obstack_grow (&collect_obstack, "\0", 1); | |
7973fd2a | 4298 | putenv (XOBFINISH (&collect_obstack, char *)); |
b856c15d | 4299 | } |
ed1f651b RS |
4300 | \f |
4301 | /* Process a spec string, accumulating and running commands. */ | |
4302 | ||
4303 | /* These variables describe the input file name. | |
4304 | input_file_number is the index on outfiles of this file, | |
4305 | so that the output file name can be stored for later use by %o. | |
4306 | input_basename is the start of the part of the input file | |
4307 | sans all directory names, and basename_length is the number | |
4308 | of characters starting there excluding the suffix .c or whatever. */ | |
4309 | ||
070588f0 | 4310 | static const char *input_filename; |
ed1f651b | 4311 | static int input_file_number; |
f271358e | 4312 | size_t input_filename_length; |
ed1f651b | 4313 | static int basename_length; |
ea414c97 | 4314 | static int suffixed_basename_length; |
878f32c3 KG |
4315 | static const char *input_basename; |
4316 | static const char *input_suffix; | |
a9024779 | 4317 | #ifndef HOST_LACKS_INODE_NUMBERS |
99f78cdd | 4318 | static struct stat input_stat; |
a9024779 | 4319 | #endif |
99f78cdd | 4320 | static int input_stat_set; |
ed1f651b | 4321 | |
a9374841 MM |
4322 | /* The compiler used to process the current input file. */ |
4323 | static struct compiler *input_file_compiler; | |
4324 | ||
ed1f651b RS |
4325 | /* These are variables used within do_spec and do_spec_1. */ |
4326 | ||
4327 | /* Nonzero if an arg has been started and not yet terminated | |
4328 | (with space, tab or newline). */ | |
4329 | static int arg_going; | |
4330 | ||
4331 | /* Nonzero means %d or %g has been seen; the next arg to be terminated | |
4332 | is a temporary file name. */ | |
4333 | static int delete_this_arg; | |
4334 | ||
4335 | /* Nonzero means %w has been seen; the next arg to be terminated | |
4336 | is the output file name of this compilation. */ | |
4337 | static int this_is_output_file; | |
4338 | ||
4339 | /* Nonzero means %s has been seen; the next arg to be terminated | |
4340 | is the name of a library file and we should try the standard | |
4341 | search dirs for it. */ | |
4342 | static int this_is_library_file; | |
4343 | ||
a99bf70c JW |
4344 | /* Nonzero means that the input of this command is coming from a pipe. */ |
4345 | static int input_from_pipe; | |
4346 | ||
11972f66 | 4347 | /* Nonnull means substitute this for any suffix when outputting a switches |
dc297297 | 4348 | arguments. */ |
11972f66 NS |
4349 | static const char *suffix_subst; |
4350 | ||
ed1f651b RS |
4351 | /* Process the spec SPEC and run the commands specified therein. |
4352 | Returns 0 if the spec is successfully processed; -1 if failed. */ | |
4353 | ||
f271358e | 4354 | int |
1d088dee | 4355 | do_spec (const char *spec) |
ed1f651b RS |
4356 | { |
4357 | int value; | |
4358 | ||
343f59d9 | 4359 | value = do_spec_2 (spec); |
ed1f651b RS |
4360 | |
4361 | /* Force out any unfinished command. | |
4362 | If -pipe, this forces out the last command if it ended in `|'. */ | |
4363 | if (value == 0) | |
4364 | { | |
4365 | if (argbuf_index > 0 && !strcmp (argbuf[argbuf_index - 1], "|")) | |
4366 | argbuf_index--; | |
4367 | ||
b856c15d RO |
4368 | set_collect_gcc_options (); |
4369 | ||
ed1f651b RS |
4370 | if (argbuf_index > 0) |
4371 | value = execute (); | |
4372 | } | |
4373 | ||
4374 | return value; | |
4375 | } | |
4376 | ||
343f59d9 | 4377 | static int |
1d088dee | 4378 | do_spec_2 (const char *spec) |
343f59d9 | 4379 | { |
6544fbcb RS |
4380 | const char *string; |
4381 | int result; | |
4382 | ||
343f59d9 AM |
4383 | clear_args (); |
4384 | arg_going = 0; | |
4385 | delete_this_arg = 0; | |
4386 | this_is_output_file = 0; | |
4387 | this_is_library_file = 0; | |
4388 | input_from_pipe = 0; | |
4389 | suffix_subst = NULL; | |
4390 | ||
6544fbcb RS |
4391 | result = do_spec_1 (spec, 0, NULL); |
4392 | ||
4393 | /* End any pending argument. */ | |
4394 | if (arg_going) | |
4395 | { | |
4396 | obstack_1grow (&obstack, 0); | |
7973fd2a | 4397 | string = XOBFINISH (&obstack, const char *); |
6544fbcb RS |
4398 | if (this_is_library_file) |
4399 | string = find_file (string); | |
4400 | store_arg (string, delete_this_arg, this_is_output_file); | |
4401 | if (this_is_output_file) | |
4402 | outfiles[input_file_number] = string; | |
4403 | arg_going = 0; | |
4404 | } | |
4405 | ||
4406 | return result; | |
343f59d9 AM |
4407 | } |
4408 | ||
db36994b | 4409 | |
7816bea0 DJ |
4410 | /* Process the given spec string and add any new options to the end |
4411 | of the switches/n_switches array. */ | |
4412 | ||
4413 | static void | |
1d088dee | 4414 | do_option_spec (const char *name, const char *spec) |
7816bea0 DJ |
4415 | { |
4416 | unsigned int i, value_count, value_len; | |
4417 | const char *p, *q, *value; | |
4418 | char *tmp_spec, *tmp_spec_p; | |
4419 | ||
4420 | if (configure_default_options[0].name == NULL) | |
4421 | return; | |
4422 | ||
4423 | for (i = 0; i < ARRAY_SIZE (configure_default_options); i++) | |
4424 | if (strcmp (configure_default_options[i].name, name) == 0) | |
4425 | break; | |
4426 | if (i == ARRAY_SIZE (configure_default_options)) | |
4427 | return; | |
4428 | ||
4429 | value = configure_default_options[i].value; | |
4430 | value_len = strlen (value); | |
4431 | ||
4432 | /* Compute the size of the final spec. */ | |
4433 | value_count = 0; | |
4434 | p = spec; | |
4435 | while ((p = strstr (p, "%(VALUE)")) != NULL) | |
4436 | { | |
4437 | p ++; | |
4438 | value_count ++; | |
4439 | } | |
4440 | ||
4441 | /* Replace each %(VALUE) by the specified value. */ | |
4442 | tmp_spec = alloca (strlen (spec) + 1 | |
4443 | + value_count * (value_len - strlen ("%(VALUE)"))); | |
4444 | tmp_spec_p = tmp_spec; | |
4445 | q = spec; | |
4446 | while ((p = strstr (q, "%(VALUE)")) != NULL) | |
4447 | { | |
4448 | memcpy (tmp_spec_p, q, p - q); | |
4449 | tmp_spec_p = tmp_spec_p + (p - q); | |
4450 | memcpy (tmp_spec_p, value, value_len); | |
4451 | tmp_spec_p += value_len; | |
4452 | q = p + strlen ("%(VALUE)"); | |
4453 | } | |
4454 | strcpy (tmp_spec_p, q); | |
4455 | ||
4456 | do_self_spec (tmp_spec); | |
4457 | } | |
4458 | ||
db36994b RS |
4459 | /* Process the given spec string and add any new options to the end |
4460 | of the switches/n_switches array. */ | |
4461 | ||
4462 | static void | |
1d088dee | 4463 | do_self_spec (const char *spec) |
db36994b RS |
4464 | { |
4465 | do_spec_2 (spec); | |
4466 | do_spec_1 (" ", 0, NULL); | |
4467 | ||
4468 | if (argbuf_index > 0) | |
4469 | { | |
4470 | int i, first; | |
4471 | ||
4472 | first = n_switches; | |
4473 | n_switches += argbuf_index; | |
4474 | switches = xrealloc (switches, | |
4475 | sizeof (struct switchstr) * (n_switches + 1)); | |
4476 | ||
4477 | switches[n_switches] = switches[first]; | |
4478 | for (i = 0; i < argbuf_index; i++) | |
4479 | { | |
4480 | struct switchstr *sw; | |
4481 | ||
4482 | /* Each switch should start with '-'. */ | |
4483 | if (argbuf[i][0] != '-') | |
3b5edfee | 4484 | fatal ("switch '%s' does not start with '-'", argbuf[i]); |
db36994b RS |
4485 | |
4486 | sw = &switches[i + first]; | |
4487 | sw->part1 = &argbuf[i][1]; | |
4488 | sw->args = 0; | |
4489 | sw->live_cond = SWITCH_OK; | |
4490 | sw->validated = 0; | |
4491 | sw->ordering = 0; | |
4492 | } | |
4493 | } | |
4494 | } | |
4495 | ||
00dcee0c AM |
4496 | /* Callback for processing %D and %I specs. */ |
4497 | ||
4498 | struct spec_path_info { | |
4499 | const char *option; | |
4500 | const char *append; | |
4501 | size_t append_len; | |
4502 | bool omit_relative; | |
4503 | bool separate_options; | |
4504 | }; | |
4505 | ||
4506 | static void * | |
4507 | spec_path (char *path, void *data) | |
76391e5a | 4508 | { |
00dcee0c AM |
4509 | struct spec_path_info *info = data; |
4510 | size_t len = 0; | |
4511 | char save = 0; | |
76391e5a | 4512 | |
00dcee0c AM |
4513 | if (info->omit_relative && !IS_ABSOLUTE_PATH (path)) |
4514 | return NULL; | |
4515 | ||
4516 | if (info->append_len != 0) | |
76391e5a | 4517 | { |
00dcee0c AM |
4518 | len = strlen (path); |
4519 | memcpy (path + len, info->append, info->append_len + 1); | |
76391e5a PB |
4520 | } |
4521 | ||
00dcee0c AM |
4522 | if (!is_directory (path, true)) |
4523 | return NULL; | |
76391e5a | 4524 | |
00dcee0c AM |
4525 | do_spec_1 (info->option, 1, NULL); |
4526 | if (info->separate_options) | |
4527 | do_spec_1 (" ", 0, NULL); | |
4528 | ||
4529 | if (info->append_len == 0) | |
76391e5a | 4530 | { |
00dcee0c AM |
4531 | len = strlen (path); |
4532 | save = path[len - 1]; | |
4533 | if (IS_DIR_SEPARATOR (path[len - 1])) | |
4534 | path[len - 1] = '\0'; | |
76391e5a | 4535 | } |
00dcee0c AM |
4536 | |
4537 | do_spec_1 (path, 1, NULL); | |
4538 | do_spec_1 (" ", 0, NULL); | |
4539 | ||
4540 | /* Must not damage the original path. */ | |
4541 | if (info->append_len == 0) | |
4542 | path[len - 1] = save; | |
4543 | ||
4544 | return NULL; | |
76391e5a PB |
4545 | } |
4546 | ||
ed1f651b RS |
4547 | /* Process the sub-spec SPEC as a portion of a larger spec. |
4548 | This is like processing a whole spec except that we do | |
4549 | not initialize at the beginning and we do not supply a | |
4550 | newline by default at the end. | |
4551 | INSWITCH nonzero means don't process %-sequences in SPEC; | |
4552 | in this case, % is treated as an ordinary character. | |
4553 | This is used while substituting switches. | |
4554 | INSWITCH nonzero also causes SPC not to terminate an argument. | |
4555 | ||
4556 | Value is zero unless a line was finished | |
4557 | and the command on that line reported an error. */ | |
4558 | ||
4559 | static int | |
1d088dee | 4560 | do_spec_1 (const char *spec, int inswitch, const char *soft_matched_part) |
ed1f651b | 4561 | { |
b3694847 SS |
4562 | const char *p = spec; |
4563 | int c; | |
ed1f651b | 4564 | int i; |
878f32c3 | 4565 | const char *string; |
3279bba6 | 4566 | int value; |
ed1f651b | 4567 | |
ededb2fc | 4568 | while ((c = *p++)) |
ed1f651b RS |
4569 | /* If substituting a switch, treat all chars like letters. |
4570 | Otherwise, NL, SPC, TAB and % are special. */ | |
4571 | switch (inswitch ? 'a' : c) | |
4572 | { | |
4573 | case '\n': | |
4574 | /* End of line: finish any pending argument, | |
4575 | then run the pending command if one has been started. */ | |
4576 | if (arg_going) | |
4577 | { | |
4578 | obstack_1grow (&obstack, 0); | |
7973fd2a | 4579 | string = XOBFINISH (&obstack, const char *); |
ed1f651b RS |
4580 | if (this_is_library_file) |
4581 | string = find_file (string); | |
4582 | store_arg (string, delete_this_arg, this_is_output_file); | |
4583 | if (this_is_output_file) | |
4584 | outfiles[input_file_number] = string; | |
4585 | } | |
4586 | arg_going = 0; | |
4587 | ||
4588 | if (argbuf_index > 0 && !strcmp (argbuf[argbuf_index - 1], "|")) | |
4589 | { | |
ed1f651b RS |
4590 | /* A `|' before the newline means use a pipe here, |
4591 | but only if -pipe was specified. | |
4592 | Otherwise, execute now and don't pass the `|' as an arg. */ | |
4977bab6 | 4593 | if (use_pipes) |
ed1f651b | 4594 | { |
a99bf70c | 4595 | input_from_pipe = 1; |
ed1f651b RS |
4596 | break; |
4597 | } | |
4598 | else | |
4599 | argbuf_index--; | |
4600 | } | |
4601 | ||
b856c15d RO |
4602 | set_collect_gcc_options (); |
4603 | ||
ed1f651b RS |
4604 | if (argbuf_index > 0) |
4605 | { | |
3279bba6 | 4606 | value = execute (); |
ed1f651b RS |
4607 | if (value) |
4608 | return value; | |
4609 | } | |
4610 | /* Reinitialize for a new command, and for a new argument. */ | |
4611 | clear_args (); | |
4612 | arg_going = 0; | |
4613 | delete_this_arg = 0; | |
4614 | this_is_output_file = 0; | |
4615 | this_is_library_file = 0; | |
a99bf70c | 4616 | input_from_pipe = 0; |
ed1f651b RS |
4617 | break; |
4618 | ||
4619 | case '|': | |
4620 | /* End any pending argument. */ | |
4621 | if (arg_going) | |
4622 | { | |
4623 | obstack_1grow (&obstack, 0); | |
7973fd2a | 4624 | string = XOBFINISH (&obstack, const char *); |
ed1f651b RS |
4625 | if (this_is_library_file) |
4626 | string = find_file (string); | |
4627 | store_arg (string, delete_this_arg, this_is_output_file); | |
4628 | if (this_is_output_file) | |
4629 | outfiles[input_file_number] = string; | |
4630 | } | |
4631 | ||
4632 | /* Use pipe */ | |
4633 | obstack_1grow (&obstack, c); | |
4634 | arg_going = 1; | |
4635 | break; | |
4636 | ||
4637 | case '\t': | |
4638 | case ' ': | |
4639 | /* Space or tab ends an argument if one is pending. */ | |
4640 | if (arg_going) | |
4641 | { | |
4642 | obstack_1grow (&obstack, 0); | |
7973fd2a | 4643 | string = XOBFINISH (&obstack, const char *); |
ed1f651b RS |
4644 | if (this_is_library_file) |
4645 | string = find_file (string); | |
4646 | store_arg (string, delete_this_arg, this_is_output_file); | |
4647 | if (this_is_output_file) | |
4648 | outfiles[input_file_number] = string; | |
4649 | } | |
4650 | /* Reinitialize for a new argument. */ | |
4651 | arg_going = 0; | |
4652 | delete_this_arg = 0; | |
4653 | this_is_output_file = 0; | |
4654 | this_is_library_file = 0; | |
4655 | break; | |
4656 | ||
4657 | case '%': | |
4658 | switch (c = *p++) | |
4659 | { | |
4660 | case 0: | |
3b5edfee | 4661 | fatal ("spec '%s' invalid", spec); |
ed1f651b RS |
4662 | |
4663 | case 'b': | |
4664 | obstack_grow (&obstack, input_basename, basename_length); | |
4665 | arg_going = 1; | |
4666 | break; | |
4667 | ||
ea414c97 ZW |
4668 | case 'B': |
4669 | obstack_grow (&obstack, input_basename, suffixed_basename_length); | |
4670 | arg_going = 1; | |
4671 | break; | |
4672 | ||
ed1f651b RS |
4673 | case 'd': |
4674 | delete_this_arg = 2; | |
4675 | break; | |
4676 | ||
4677 | /* Dump out the directories specified with LIBRARY_PATH, | |
004fd4d5 RS |
4678 | followed by the absolute directories |
4679 | that we search for startfiles. */ | |
ed1f651b | 4680 | case 'D': |
8cacec76 | 4681 | { |
00dcee0c | 4682 | struct spec_path_info info; |
59014d0a | 4683 | |
00dcee0c AM |
4684 | info.option = "-L"; |
4685 | info.append_len = 0; | |
76391e5a | 4686 | #ifdef RELATIVE_PREFIX_NOT_LINKDIR |
00dcee0c AM |
4687 | /* Used on systems which record the specified -L dirs |
4688 | and use them to search for dynamic linking. | |
4689 | Relative directories always come from -B, | |
4690 | and it is better not to use them for searching | |
4691 | at run time. In particular, stage1 loses. */ | |
4692 | info.omit_relative = true; | |
76391e5a | 4693 | #else |
00dcee0c | 4694 | info.omit_relative = false; |
004fd4d5 | 4695 | #endif |
00dcee0c AM |
4696 | info.separate_options = false; |
4697 | ||
4698 | for_each_path (&startfile_prefixes, true, 0, spec_path, &info); | |
8cacec76 | 4699 | } |
ed1f651b RS |
4700 | break; |
4701 | ||
4702 | case 'e': | |
ab87f8c8 | 4703 | /* %efoo means report an error with `foo' as error message |
ed1f651b RS |
4704 | and don't execute any more commands for this file. */ |
4705 | { | |
878f32c3 | 4706 | const char *q = p; |
ed1f651b | 4707 | char *buf; |
d25a45d4 KH |
4708 | while (*p != 0 && *p != '\n') |
4709 | p++; | |
703ad42b | 4710 | buf = alloca (p - q + 1); |
ed1f651b RS |
4711 | strncpy (buf, q, p - q); |
4712 | buf[p - q] = 0; | |
913d0833 | 4713 | error ("%s", buf); |
ed1f651b RS |
4714 | return -1; |
4715 | } | |
4716 | break; | |
4a88a060 | 4717 | case 'n': |
09da1532 | 4718 | /* %nfoo means report a notice with `foo' on stderr. */ |
4a88a060 JH |
4719 | { |
4720 | const char *q = p; | |
4721 | char *buf; | |
4722 | while (*p != 0 && *p != '\n') | |
4723 | p++; | |
703ad42b | 4724 | buf = alloca (p - q + 1); |
4a88a060 JH |
4725 | strncpy (buf, q, p - q); |
4726 | buf[p - q] = 0; | |
4727 | notice ("%s\n", buf); | |
4728 | if (*p) | |
4729 | p++; | |
4730 | } | |
4731 | break; | |
ed1f651b | 4732 | |
d25a45d4 KH |
4733 | case 'j': |
4734 | { | |
4735 | struct stat st; | |
4736 | ||
4977bab6 ZW |
4737 | /* If save_temps_flag is off, and the HOST_BIT_BUCKET is |
4738 | defined, and it is not a directory, and it is | |
4739 | writable, use it. Otherwise, treat this like any | |
4740 | other temporary file. */ | |
d25a45d4 KH |
4741 | |
4742 | if ((!save_temps_flag) | |
4743 | && (stat (HOST_BIT_BUCKET, &st) == 0) && (!S_ISDIR (st.st_mode)) | |
4744 | && (access (HOST_BIT_BUCKET, W_OK) == 0)) | |
4745 | { | |
4746 | obstack_grow (&obstack, HOST_BIT_BUCKET, | |
4747 | strlen (HOST_BIT_BUCKET)); | |
4748 | delete_this_arg = 0; | |
4749 | arg_going = 1; | |
4750 | break; | |
4751 | } | |
4752 | } | |
4977bab6 ZW |
4753 | goto create_temp_file; |
4754 | case '|': | |
4755 | if (use_pipes) | |
4756 | { | |
4757 | obstack_1grow (&obstack, '-'); | |
4758 | delete_this_arg = 0; | |
4759 | arg_going = 1; | |
4760 | ||
4761 | /* consume suffix */ | |
a92dd235 | 4762 | while (*p == '.' || ISALNUM ((unsigned char) *p)) |
4977bab6 ZW |
4763 | p++; |
4764 | if (p[0] == '%' && p[1] == 'O') | |
4765 | p += 2; | |
1d088dee | 4766 | |
4977bab6 ZW |
4767 | break; |
4768 | } | |
4769 | goto create_temp_file; | |
4770 | case 'm': | |
4771 | if (use_pipes) | |
4772 | { | |
4773 | /* consume suffix */ | |
a92dd235 | 4774 | while (*p == '.' || ISALNUM ((unsigned char) *p)) |
4977bab6 ZW |
4775 | p++; |
4776 | if (p[0] == '%' && p[1] == 'O') | |
4777 | p += 2; | |
1d088dee | 4778 | |
4977bab6 ZW |
4779 | break; |
4780 | } | |
4781 | goto create_temp_file; | |
ed1f651b | 4782 | case 'g': |
d887e808 | 4783 | case 'u': |
4401b31c | 4784 | case 'U': |
4977bab6 | 4785 | create_temp_file: |
ed1f651b | 4786 | { |
fb266030 | 4787 | struct temp_name *t; |
dd75c292 | 4788 | int suffix_length; |
878f32c3 | 4789 | const char *suffix = p; |
a1d9074c | 4790 | char *saved_suffix = NULL; |
dd75c292 | 4791 | |
a92dd235 | 4792 | while (*p == '.' || ISALNUM ((unsigned char) *p)) |
a1d9074c TT |
4793 | p++; |
4794 | suffix_length = p - suffix; | |
dd75c292 CB |
4795 | if (p[0] == '%' && p[1] == 'O') |
4796 | { | |
cbc54665 | 4797 | p += 2; |
dd75c292 | 4798 | /* We don't support extra suffix characters after %O. */ |
a92dd235 | 4799 | if (*p == '.' || ISALNUM ((unsigned char) *p)) |
9e637a26 | 4800 | fatal ("spec '%s' has invalid '%%0%c'", spec, *p); |
a1d9074c | 4801 | if (suffix_length == 0) |
45936a85 | 4802 | suffix = TARGET_OBJECT_SUFFIX; |
a1d9074c TT |
4803 | else |
4804 | { | |
4805 | saved_suffix | |
703ad42b KG |
4806 | = xmalloc (suffix_length |
4807 | + strlen (TARGET_OBJECT_SUFFIX)); | |
a1d9074c TT |
4808 | strncpy (saved_suffix, suffix, suffix_length); |
4809 | strcpy (saved_suffix + suffix_length, | |
45936a85 | 4810 | TARGET_OBJECT_SUFFIX); |
a1d9074c | 4811 | } |
45936a85 | 4812 | suffix_length += strlen (TARGET_OBJECT_SUFFIX); |
dd75c292 | 4813 | } |
589005ff | 4814 | |
99f78cdd IR |
4815 | /* If the input_filename has the same suffix specified |
4816 | for the %g, %u, or %U, and -save-temps is specified, | |
4817 | we could end up using that file as an intermediate | |
4818 | thus clobbering the user's source file (.e.g., | |
4819 | gcc -save-temps foo.s would clobber foo.s with the | |
4820 | output of cpp0). So check for this condition and | |
4821 | generate a temp file as the intermediate. */ | |
589005ff | 4822 | |
99f78cdd IR |
4823 | if (save_temps_flag) |
4824 | { | |
4825 | temp_filename_length = basename_length + suffix_length; | |
4826 | temp_filename = alloca (temp_filename_length + 1); | |
4827 | strncpy ((char *) temp_filename, input_basename, basename_length); | |
4828 | strncpy ((char *) temp_filename + basename_length, suffix, | |
1d088dee | 4829 | suffix_length); |
99f78cdd IR |
4830 | *((char *) temp_filename + temp_filename_length) = '\0'; |
4831 | if (strcmp (temp_filename, input_filename) != 0) | |
4832 | { | |
a9024779 | 4833 | #ifndef HOST_LACKS_INODE_NUMBERS |
1d088dee | 4834 | struct stat st_temp; |
589005ff | 4835 | |
1d088dee AJ |
4836 | /* Note, set_input() resets input_stat_set to 0. */ |
4837 | if (input_stat_set == 0) | |
4838 | { | |
4839 | input_stat_set = stat (input_filename, &input_stat); | |
4840 | if (input_stat_set >= 0) | |
4841 | input_stat_set = 1; | |
4842 | } | |
589005ff | 4843 | |
1d088dee AJ |
4844 | /* If we have the stat for the input_filename |
4845 | and we can do the stat for the temp_filename | |
4846 | then the they could still refer to the same | |
4847 | file if st_dev/st_ino's are the same. */ | |
99f78cdd IR |
4848 | if (input_stat_set != 1 |
4849 | || stat (temp_filename, &st_temp) < 0 | |
4850 | || input_stat.st_dev != st_temp.st_dev | |
4851 | || input_stat.st_ino != st_temp.st_ino) | |
a9024779 DS |
4852 | #else |
4853 | /* Just compare canonical pathnames. */ | |
4854 | char* input_realname = lrealpath (input_filename); | |
4855 | char* temp_realname = lrealpath (temp_filename); | |
4856 | bool files_differ = strcmp (input_realname, temp_realname); | |
4857 | free (input_realname); | |
4858 | free (temp_realname); | |
7904f95f | 4859 | if (files_differ) |
a9024779 | 4860 | #endif |
589005ff | 4861 | { |
99f78cdd IR |
4862 | temp_filename = save_string (temp_filename, |
4863 | temp_filename_length + 1); | |
4864 | obstack_grow (&obstack, temp_filename, | |
1d088dee | 4865 | temp_filename_length); |
99f78cdd | 4866 | arg_going = 1; |
d2dff06b | 4867 | delete_this_arg = 0; |
99f78cdd IR |
4868 | break; |
4869 | } | |
4870 | } | |
4871 | } | |
fb266030 TW |
4872 | |
4873 | /* See if we already have an association of %g/%u/%U and | |
4874 | suffix. */ | |
4875 | for (t = temp_names; t; t = t->next) | |
dd75c292 CB |
4876 | if (t->length == suffix_length |
4877 | && strncmp (t->suffix, suffix, suffix_length) == 0 | |
95456d43 | 4878 | && t->unique == (c == 'u' || c == 'U' || c == 'j')) |
fb266030 TW |
4879 | break; |
4880 | ||
2297fdf1 TT |
4881 | /* Make a new association if needed. %u and %j |
4882 | require one. */ | |
49009afd | 4883 | if (t == 0 || c == 'u' || c == 'j') |
fb266030 TW |
4884 | { |
4885 | if (t == 0) | |
4886 | { | |
703ad42b | 4887 | t = xmalloc (sizeof (struct temp_name)); |
fb266030 TW |
4888 | t->next = temp_names; |
4889 | temp_names = t; | |
4890 | } | |
dd75c292 | 4891 | t->length = suffix_length; |
2297fdf1 TT |
4892 | if (saved_suffix) |
4893 | { | |
4894 | t->suffix = saved_suffix; | |
4895 | saved_suffix = NULL; | |
4896 | } | |
4897 | else | |
4898 | t->suffix = save_string (suffix, suffix_length); | |
95456d43 | 4899 | t->unique = (c == 'u' || c == 'U' || c == 'j'); |
dd75c292 | 4900 | temp_filename = make_temp_file (t->suffix); |
6aa62cff | 4901 | temp_filename_length = strlen (temp_filename); |
fb266030 TW |
4902 | t->filename = temp_filename; |
4903 | t->filename_length = temp_filename_length; | |
4904 | } | |
4905 | ||
a1d9074c TT |
4906 | if (saved_suffix) |
4907 | free (saved_suffix); | |
4908 | ||
fb266030 | 4909 | obstack_grow (&obstack, t->filename, t->filename_length); |
b9490a6e | 4910 | delete_this_arg = 1; |
ed1f651b RS |
4911 | } |
4912 | arg_going = 1; | |
4913 | break; | |
4914 | ||
4915 | case 'i': | |
d1bd0ded GK |
4916 | if (combine_inputs) |
4917 | { | |
4918 | for (i = 0; (int) i < n_infiles; i++) | |
0855eab7 CT |
4919 | if ((!infiles[i].language) || (infiles[i].language[0] != '*')) |
4920 | if (infiles[i].incompiler == input_file_compiler) | |
4921 | { | |
4922 | store_arg (infiles[i].name, 0, 0); | |
4923 | infiles[i].compiled = true; | |
4924 | } | |
d1bd0ded GK |
4925 | } |
4926 | else | |
4927 | { | |
4928 | obstack_grow (&obstack, input_filename, input_filename_length); | |
4929 | arg_going = 1; | |
4930 | } | |
ed1f651b RS |
4931 | break; |
4932 | ||
8eebb258 | 4933 | case 'I': |
2d879387 | 4934 | { |
00dcee0c | 4935 | struct spec_path_info info; |
2d879387 JW |
4936 | |
4937 | if (gcc_exec_prefix) | |
4938 | { | |
6496a589 | 4939 | do_spec_1 ("-iprefix", 1, NULL); |
2d879387 | 4940 | /* Make this a separate argument. */ |
6496a589 KG |
4941 | do_spec_1 (" ", 0, NULL); |
4942 | do_spec_1 (gcc_exec_prefix, 1, NULL); | |
4943 | do_spec_1 (" ", 0, NULL); | |
2d879387 JW |
4944 | } |
4945 | ||
e7f13528 GP |
4946 | if (target_system_root_changed || |
4947 | (target_system_root && target_sysroot_hdrs_suffix)) | |
047d636f DJ |
4948 | { |
4949 | do_spec_1 ("-isysroot", 1, NULL); | |
4950 | /* Make this a separate argument. */ | |
4951 | do_spec_1 (" ", 0, NULL); | |
4952 | do_spec_1 (target_system_root, 1, NULL); | |
e7f13528 GP |
4953 | if (target_sysroot_hdrs_suffix) |
4954 | do_spec_1 (target_sysroot_hdrs_suffix, 1, NULL); | |
047d636f DJ |
4955 | do_spec_1 (" ", 0, NULL); |
4956 | } | |
4957 | ||
00dcee0c AM |
4958 | info.option = "-isystem"; |
4959 | info.append = "include"; | |
4960 | info.append_len = strlen (info.append); | |
4961 | info.omit_relative = false; | |
4962 | info.separate_options = true; | |
4963 | ||
4964 | for_each_path (&include_prefixes, false, info.append_len, | |
4965 | spec_path, &info); | |
2d879387 | 4966 | } |
8eebb258 RS |
4967 | break; |
4968 | ||
ed1f651b | 4969 | case 'o': |
15c5edb9 TT |
4970 | { |
4971 | int max = n_infiles; | |
15c5edb9 | 4972 | max += lang_specific_extra_outfiles; |
08dc830e | 4973 | |
15c5edb9 TT |
4974 | for (i = 0; i < max; i++) |
4975 | if (outfiles[i]) | |
4976 | store_arg (outfiles[i], 0, 0); | |
4977 | break; | |
4978 | } | |
ed1f651b | 4979 | |
ed7dae04 | 4980 | case 'O': |
45936a85 | 4981 | obstack_grow (&obstack, TARGET_OBJECT_SUFFIX, strlen (TARGET_OBJECT_SUFFIX)); |
ed7dae04 RK |
4982 | arg_going = 1; |
4983 | break; | |
4984 | ||
ed1f651b RS |
4985 | case 's': |
4986 | this_is_library_file = 1; | |
4987 | break; | |
4988 | ||
17211ab5 GK |
4989 | case 'V': |
4990 | outfiles[input_file_number] = NULL; | |
4991 | break; | |
4992 | ||
ed1f651b RS |
4993 | case 'w': |
4994 | this_is_output_file = 1; | |
4995 | break; | |
4996 | ||
4997 | case 'W': | |
4998 | { | |
ed846da3 | 4999 | int cur_index = argbuf_index; |
ed1f651b RS |
5000 | /* Handle the {...} following the %W. */ |
5001 | if (*p != '{') | |
9e637a26 | 5002 | fatal ("spec '%s' has invalid '%%W%c", spec, *p); |
ed1f651b RS |
5003 | p = handle_braces (p + 1); |
5004 | if (p == 0) | |
5005 | return -1; | |
a3a0177e JM |
5006 | /* End any pending argument. */ |
5007 | if (arg_going) | |
5008 | { | |
5009 | obstack_1grow (&obstack, 0); | |
7973fd2a | 5010 | string = XOBFINISH (&obstack, const char *); |
a3a0177e JM |
5011 | if (this_is_library_file) |
5012 | string = find_file (string); | |
5013 | store_arg (string, delete_this_arg, this_is_output_file); | |
5014 | if (this_is_output_file) | |
5015 | outfiles[input_file_number] = string; | |
5016 | arg_going = 0; | |
5017 | } | |
ed1f651b RS |
5018 | /* If any args were output, mark the last one for deletion |
5019 | on failure. */ | |
ed846da3 | 5020 | if (argbuf_index != cur_index) |
ed1f651b RS |
5021 | record_temp_file (argbuf[argbuf_index - 1], 0, 1); |
5022 | break; | |
5023 | } | |
5024 | ||
5025 | /* %x{OPTION} records OPTION for %X to output. */ | |
5026 | case 'x': | |
5027 | { | |
878f32c3 | 5028 | const char *p1 = p; |
ed1f651b RS |
5029 | char *string; |
5030 | ||
5031 | /* Skip past the option value and make a copy. */ | |
5032 | if (*p != '{') | |
9e637a26 | 5033 | fatal ("spec '%s' has invalid '%%x%c'", spec, *p); |
ed1f651b RS |
5034 | while (*p++ != '}') |
5035 | ; | |
5036 | string = save_string (p1 + 1, p - p1 - 2); | |
5037 | ||
5038 | /* See if we already recorded this option. */ | |
5039 | for (i = 0; i < n_linker_options; i++) | |
5040 | if (! strcmp (string, linker_options[i])) | |
5041 | { | |
5042 | free (string); | |
5043 | return 0; | |
5044 | } | |
5045 | ||
5046 | /* This option is new; add it. */ | |
b8468bc7 | 5047 | add_linker_option (string, strlen (string)); |
ed1f651b RS |
5048 | } |
5049 | break; | |
5050 | ||
368dfd3a | 5051 | /* Dump out the options accumulated previously using %x. */ |
ed1f651b RS |
5052 | case 'X': |
5053 | for (i = 0; i < n_linker_options; i++) | |
5054 | { | |
6496a589 | 5055 | do_spec_1 (linker_options[i], 1, NULL); |
ed1f651b | 5056 | /* Make each accumulated option a separate argument. */ |
6496a589 | 5057 | do_spec_1 (" ", 0, NULL); |
ed1f651b RS |
5058 | } |
5059 | break; | |
5060 | ||
c9ebacb8 RS |
5061 | /* Dump out the options accumulated previously using -Wa,. */ |
5062 | case 'Y': | |
5063 | for (i = 0; i < n_assembler_options; i++) | |
5064 | { | |
6496a589 | 5065 | do_spec_1 (assembler_options[i], 1, NULL); |
c9ebacb8 | 5066 | /* Make each accumulated option a separate argument. */ |
6496a589 | 5067 | do_spec_1 (" ", 0, NULL); |
c9ebacb8 RS |
5068 | } |
5069 | break; | |
5070 | ||
57cb9b60 JW |
5071 | /* Dump out the options accumulated previously using -Wp,. */ |
5072 | case 'Z': | |
5073 | for (i = 0; i < n_preprocessor_options; i++) | |
5074 | { | |
6496a589 | 5075 | do_spec_1 (preprocessor_options[i], 1, NULL); |
57cb9b60 | 5076 | /* Make each accumulated option a separate argument. */ |
6496a589 | 5077 | do_spec_1 (" ", 0, NULL); |
57cb9b60 JW |
5078 | } |
5079 | break; | |
5080 | ||
ed1f651b RS |
5081 | /* Here are digits and numbers that just process |
5082 | a certain constant string as a spec. */ | |
5083 | ||
5084 | case '1': | |
6496a589 | 5085 | value = do_spec_1 (cc1_spec, 0, NULL); |
3279bba6 RS |
5086 | if (value != 0) |
5087 | return value; | |
ed1f651b RS |
5088 | break; |
5089 | ||
5090 | case '2': | |
6496a589 | 5091 | value = do_spec_1 (cc1plus_spec, 0, NULL); |
3279bba6 RS |
5092 | if (value != 0) |
5093 | return value; | |
ed1f651b RS |
5094 | break; |
5095 | ||
5096 | case 'a': | |
6496a589 | 5097 | value = do_spec_1 (asm_spec, 0, NULL); |
3279bba6 RS |
5098 | if (value != 0) |
5099 | return value; | |
ed1f651b RS |
5100 | break; |
5101 | ||
5102 | case 'A': | |
6496a589 | 5103 | value = do_spec_1 (asm_final_spec, 0, NULL); |
3279bba6 RS |
5104 | if (value != 0) |
5105 | return value; | |
ed1f651b RS |
5106 | break; |
5107 | ||
ed1f651b | 5108 | case 'C': |
a9374841 | 5109 | { |
83182544 | 5110 | const char *const spec |
589005ff KH |
5111 | = (input_file_compiler->cpp_spec |
5112 | ? input_file_compiler->cpp_spec | |
a9374841 | 5113 | : cpp_spec); |
6496a589 | 5114 | value = do_spec_1 (spec, 0, NULL); |
a9374841 MM |
5115 | if (value != 0) |
5116 | return value; | |
5117 | } | |
ed1f651b RS |
5118 | break; |
5119 | ||
5120 | case 'E': | |
6496a589 | 5121 | value = do_spec_1 (endfile_spec, 0, NULL); |
3279bba6 RS |
5122 | if (value != 0) |
5123 | return value; | |
ed1f651b RS |
5124 | break; |
5125 | ||
5126 | case 'l': | |
6496a589 | 5127 | value = do_spec_1 (link_spec, 0, NULL); |
3279bba6 RS |
5128 | if (value != 0) |
5129 | return value; | |
ed1f651b RS |
5130 | break; |
5131 | ||
5132 | case 'L': | |
6496a589 | 5133 | value = do_spec_1 (lib_spec, 0, NULL); |
3279bba6 RS |
5134 | if (value != 0) |
5135 | return value; | |
ed1f651b RS |
5136 | break; |
5137 | ||
68d69835 | 5138 | case 'G': |
6496a589 | 5139 | value = do_spec_1 (libgcc_spec, 0, NULL); |
68d69835 JM |
5140 | if (value != 0) |
5141 | return value; | |
5142 | break; | |
5143 | ||
4977bab6 ZW |
5144 | case 'R': |
5145 | /* We assume there is a directory | |
5146 | separator at the end of this string. */ | |
5147 | if (target_system_root) | |
1d088dee AJ |
5148 | { |
5149 | obstack_grow (&obstack, target_system_root, | |
e7f13528 GP |
5150 | strlen (target_system_root)); |
5151 | if (target_sysroot_suffix) | |
1d088dee | 5152 | obstack_grow (&obstack, target_sysroot_suffix, |
e7f13528 GP |
5153 | strlen (target_sysroot_suffix)); |
5154 | } | |
4977bab6 ZW |
5155 | break; |
5156 | ||
ed1f651b | 5157 | case 'S': |
6496a589 | 5158 | value = do_spec_1 (startfile_spec, 0, NULL); |
3279bba6 RS |
5159 | if (value != 0) |
5160 | return value; | |
ed1f651b RS |
5161 | break; |
5162 | ||
5163 | /* Here we define characters other than letters and digits. */ | |
5164 | ||
5165 | case '{': | |
5166 | p = handle_braces (p); | |
5167 | if (p == 0) | |
5168 | return -1; | |
5169 | break; | |
5170 | ||
f3226a90 JT |
5171 | case ':': |
5172 | p = handle_spec_function (p); | |
5173 | if (p == 0) | |
5174 | return -1; | |
5175 | break; | |
5176 | ||
ed1f651b RS |
5177 | case '%': |
5178 | obstack_1grow (&obstack, '%'); | |
5179 | break; | |
5180 | ||
589005ff KH |
5181 | case '.': |
5182 | { | |
5183 | unsigned len = 0; | |
11972f66 | 5184 | |
589005ff KH |
5185 | while (p[len] && p[len] != ' ' && p[len] != '%') |
5186 | len++; | |
5187 | suffix_subst = save_string (p - 1, len + 1); | |
5188 | p += len; | |
5189 | } | |
11972f66 | 5190 | break; |
589005ff | 5191 | |
4977bab6 ZW |
5192 | /* Henceforth ignore the option(s) matching the pattern |
5193 | after the %<. */ | |
5194 | case '<': | |
5195 | { | |
5196 | unsigned len = 0; | |
5197 | int have_wildcard = 0; | |
5198 | int i; | |
5199 | ||
5200 | while (p[len] && p[len] != ' ' && p[len] != '\t') | |
5201 | len++; | |
5202 | ||
5203 | if (p[len-1] == '*') | |
5204 | have_wildcard = 1; | |
5205 | ||
5206 | for (i = 0; i < n_switches; i++) | |
5207 | if (!strncmp (switches[i].part1, p, len - have_wildcard) | |
5208 | && (have_wildcard || switches[i].part1[len] == '\0')) | |
5209 | { | |
5210 | switches[i].live_cond = SWITCH_IGNORE; | |
5211 | switches[i].validated = 1; | |
5212 | } | |
5213 | ||
5214 | p += len; | |
5215 | } | |
5216 | break; | |
5217 | ||
ed1f651b | 5218 | case '*': |
3ac63d94 NC |
5219 | if (soft_matched_part) |
5220 | { | |
6496a589 KG |
5221 | do_spec_1 (soft_matched_part, 1, NULL); |
5222 | do_spec_1 (" ", 0, NULL); | |
3ac63d94 NC |
5223 | } |
5224 | else | |
5225 | /* Catch the case where a spec string contains something like | |
454ff5cb | 5226 | '%{foo:%*}'. i.e. there is no * in the pattern on the left |
3ac63d94 | 5227 | hand side of the :. */ |
1737c953 | 5228 | error ("spec failure: '%%*' has not been initialized by pattern match"); |
ed1f651b RS |
5229 | break; |
5230 | ||
5231 | /* Process a string found as the value of a spec given by name. | |
5232 | This feature allows individual machine descriptions | |
4089dfab JL |
5233 | to add and use their own specs. |
5234 | %[...] modifies -D options the way %P does; | |
5235 | %(...) uses the spec unmodified. */ | |
5236 | case '[': | |
1f978f5f | 5237 | error ("warning: use of obsolete %%[ operator in specs"); |
ed1f651b | 5238 | case '(': |
ed1f651b | 5239 | { |
878f32c3 | 5240 | const char *name = p; |
ed1f651b RS |
5241 | struct spec_list *sl; |
5242 | int len; | |
5243 | ||
5244 | /* The string after the S/P is the name of a spec that is to be | |
0f41302f | 5245 | processed. */ |
4089dfab | 5246 | while (*p && *p != ')' && *p != ']') |
ed1f651b RS |
5247 | p++; |
5248 | ||
3ac63d94 | 5249 | /* See if it's in the list. */ |
ed1f651b | 5250 | for (len = p - name, sl = specs; sl; sl = sl->next) |
79aff5ac | 5251 | if (sl->name_len == len && !strncmp (sl->name, name, len)) |
ed1f651b | 5252 | { |
79aff5ac | 5253 | name = *(sl->ptr_spec); |
20df0482 | 5254 | #ifdef DEBUG_SPECS |
ab87f8c8 JL |
5255 | notice ("Processing spec %c%s%c, which is '%s'\n", |
5256 | c, sl->name, (c == '(') ? ')' : ']', name); | |
20df0482 | 5257 | #endif |
ed1f651b RS |
5258 | break; |
5259 | } | |
5260 | ||
5261 | if (sl) | |
5262 | { | |
4089dfab JL |
5263 | if (c == '(') |
5264 | { | |
6496a589 | 5265 | value = do_spec_1 (name, 0, NULL); |
4089dfab JL |
5266 | if (value != 0) |
5267 | return value; | |
5268 | } | |
5269 | else | |
5270 | { | |
703ad42b | 5271 | char *x = alloca (strlen (name) * 2 + 1); |
4089dfab | 5272 | char *buf = x; |
878f32c3 | 5273 | const char *y = name; |
4089dfab JL |
5274 | int flag = 0; |
5275 | ||
5276 | /* Copy all of NAME into BUF, but put __ after | |
3ac63d94 | 5277 | every -D and at the end of each arg. */ |
4089dfab JL |
5278 | while (1) |
5279 | { | |
5280 | if (! strncmp (y, "-D", 2)) | |
5281 | { | |
5282 | *x++ = '-'; | |
5283 | *x++ = 'D'; | |
5284 | *x++ = '_'; | |
5285 | *x++ = '_'; | |
5286 | y += 2; | |
5287 | flag = 1; | |
5288 | continue; | |
5289 | } | |
d25a45d4 KH |
5290 | else if (flag |
5291 | && (*y == ' ' || *y == '\t' || *y == '=' | |
5292 | || *y == '}' || *y == 0)) | |
4089dfab JL |
5293 | { |
5294 | *x++ = '_'; | |
5295 | *x++ = '_'; | |
5296 | flag = 0; | |
5297 | } | |
d25a45d4 | 5298 | if (*y == 0) |
4089dfab JL |
5299 | break; |
5300 | else | |
5301 | *x++ = *y++; | |
5302 | } | |
5303 | *x = 0; | |
5304 | ||
6496a589 | 5305 | value = do_spec_1 (buf, 0, NULL); |
4089dfab JL |
5306 | if (value != 0) |
5307 | return value; | |
5308 | } | |
ed1f651b | 5309 | } |
b3865ca9 | 5310 | |
4089dfab | 5311 | /* Discard the closing paren or bracket. */ |
b3865ca9 RS |
5312 | if (*p) |
5313 | p++; | |
ed1f651b RS |
5314 | } |
5315 | break; | |
5316 | ||
5317 | default: | |
1737c953 | 5318 | error ("spec failure: unrecognized spec option '%c'", c); |
3ac63d94 | 5319 | break; |
ed1f651b RS |
5320 | } |
5321 | break; | |
5322 | ||
5323 | case '\\': | |
5324 | /* Backslash: treat next character as ordinary. */ | |
5325 | c = *p++; | |
5326 | ||
938d968e | 5327 | /* Fall through. */ |
ed1f651b RS |
5328 | default: |
5329 | /* Ordinary character: put it into the current argument. */ | |
5330 | obstack_1grow (&obstack, c); | |
5331 | arg_going = 1; | |
5332 | } | |
5333 | ||
f3226a90 JT |
5334 | /* End of string. If we are processing a spec function, we need to |
5335 | end any pending argument. */ | |
5336 | if (processing_spec_function && arg_going) | |
5337 | { | |
5338 | obstack_1grow (&obstack, 0); | |
7973fd2a | 5339 | string = XOBFINISH (&obstack, const char *); |
f3226a90 JT |
5340 | if (this_is_library_file) |
5341 | string = find_file (string); | |
5342 | store_arg (string, delete_this_arg, this_is_output_file); | |
5343 | if (this_is_output_file) | |
5344 | outfiles[input_file_number] = string; | |
5345 | arg_going = 0; | |
5346 | } | |
5347 | ||
d25a45d4 | 5348 | return 0; |
ed1f651b RS |
5349 | } |
5350 | ||
f3226a90 JT |
5351 | /* Look up a spec function. */ |
5352 | ||
5353 | static const struct spec_function * | |
1d088dee | 5354 | lookup_spec_function (const char *name) |
f3226a90 JT |
5355 | { |
5356 | static const struct spec_function * const spec_function_tables[] = | |
5357 | { | |
5358 | static_spec_functions, | |
5359 | lang_specific_spec_functions, | |
5360 | }; | |
5361 | const struct spec_function *sf; | |
5362 | unsigned int i; | |
5363 | ||
5364 | for (i = 0; i < ARRAY_SIZE (spec_function_tables); i++) | |
5365 | { | |
5366 | for (sf = spec_function_tables[i]; sf->name != NULL; sf++) | |
5367 | if (strcmp (sf->name, name) == 0) | |
5368 | return sf; | |
5369 | } | |
5370 | ||
5371 | return NULL; | |
5372 | } | |
5373 | ||
5374 | /* Evaluate a spec function. */ | |
5375 | ||
5376 | static const char * | |
1d088dee | 5377 | eval_spec_function (const char *func, const char *args) |
f3226a90 JT |
5378 | { |
5379 | const struct spec_function *sf; | |
5380 | const char *funcval; | |
5381 | ||
5382 | /* Saved spec processing context. */ | |
5383 | int save_argbuf_index; | |
5384 | int save_argbuf_length; | |
5385 | const char **save_argbuf; | |
5386 | ||
5387 | int save_arg_going; | |
5388 | int save_delete_this_arg; | |
5389 | int save_this_is_output_file; | |
5390 | int save_this_is_library_file; | |
5391 | int save_input_from_pipe; | |
5392 | const char *save_suffix_subst; | |
5393 | ||
5394 | ||
5395 | sf = lookup_spec_function (func); | |
5396 | if (sf == NULL) | |
9e637a26 | 5397 | fatal ("unknown spec function '%s'", func); |
f3226a90 JT |
5398 | |
5399 | /* Push the spec processing context. */ | |
5400 | save_argbuf_index = argbuf_index; | |
5401 | save_argbuf_length = argbuf_length; | |
5402 | save_argbuf = argbuf; | |
5403 | ||
5404 | save_arg_going = arg_going; | |
5405 | save_delete_this_arg = delete_this_arg; | |
5406 | save_this_is_output_file = this_is_output_file; | |
5407 | save_this_is_library_file = this_is_library_file; | |
5408 | save_input_from_pipe = input_from_pipe; | |
5409 | save_suffix_subst = suffix_subst; | |
5410 | ||
5411 | /* Create a new spec processing context, and build the function | |
5412 | arguments. */ | |
5413 | ||
5414 | alloc_args (); | |
5415 | if (do_spec_2 (args) < 0) | |
9e637a26 | 5416 | fatal ("error in args to spec function '%s'", func); |
f3226a90 JT |
5417 | |
5418 | /* argbuf_index is an index for the next argument to be inserted, and | |
5419 | so contains the count of the args already inserted. */ | |
5420 | ||
5421 | funcval = (*sf->func) (argbuf_index, argbuf); | |
5422 | ||
5423 | /* Pop the spec processing context. */ | |
5424 | argbuf_index = save_argbuf_index; | |
5425 | argbuf_length = save_argbuf_length; | |
5426 | free (argbuf); | |
5427 | argbuf = save_argbuf; | |
5428 | ||
5429 | arg_going = save_arg_going; | |
5430 | delete_this_arg = save_delete_this_arg; | |
5431 | this_is_output_file = save_this_is_output_file; | |
5432 | this_is_library_file = save_this_is_library_file; | |
5433 | input_from_pipe = save_input_from_pipe; | |
5434 | suffix_subst = save_suffix_subst; | |
5435 | ||
5436 | return funcval; | |
5437 | } | |
5438 | ||
5439 | /* Handle a spec function call of the form: | |
5440 | ||
5441 | %:function(args) | |
5442 | ||
5443 | ARGS is processed as a spec in a separate context and split into an | |
5444 | argument vector in the normal fashion. The function returns a string | |
5445 | containing a spec which we then process in the caller's context, or | |
5446 | NULL if no processing is required. */ | |
5447 | ||
5448 | static const char * | |
1d088dee | 5449 | handle_spec_function (const char *p) |
f3226a90 JT |
5450 | { |
5451 | char *func, *args; | |
5452 | const char *endp, *funcval; | |
5453 | int count; | |
5454 | ||
5455 | processing_spec_function++; | |
5456 | ||
5457 | /* Get the function name. */ | |
5458 | for (endp = p; *endp != '\0'; endp++) | |
5459 | { | |
5460 | if (*endp == '(') /* ) */ | |
5461 | break; | |
5462 | /* Only allow [A-Za-z0-9], -, and _ in function names. */ | |
5463 | if (!ISALNUM (*endp) && !(*endp == '-' || *endp == '_')) | |
5464 | fatal ("malformed spec function name"); | |
5465 | } | |
5466 | if (*endp != '(') /* ) */ | |
5467 | fatal ("no arguments for spec function"); | |
5468 | func = save_string (p, endp - p); | |
5469 | p = ++endp; | |
5470 | ||
5471 | /* Get the arguments. */ | |
5472 | for (count = 0; *endp != '\0'; endp++) | |
5473 | { | |
5474 | /* ( */ | |
5475 | if (*endp == ')') | |
5476 | { | |
5477 | if (count == 0) | |
5478 | break; | |
5479 | count--; | |
5480 | } | |
5481 | else if (*endp == '(') /* ) */ | |
5482 | count++; | |
5483 | } | |
5484 | /* ( */ | |
5485 | if (*endp != ')') | |
5486 | fatal ("malformed spec function arguments"); | |
5487 | args = save_string (p, endp - p); | |
5488 | p = ++endp; | |
5489 | ||
5490 | /* p now points to just past the end of the spec function expression. */ | |
5491 | ||
5492 | funcval = eval_spec_function (func, args); | |
5493 | if (funcval != NULL && do_spec_1 (funcval, 0, NULL) < 0) | |
5494 | p = NULL; | |
5495 | ||
5496 | free (func); | |
5497 | free (args); | |
5498 | ||
5499 | processing_spec_function--; | |
5500 | ||
5501 | return p; | |
5502 | } | |
5503 | ||
4977bab6 ZW |
5504 | /* Inline subroutine of handle_braces. Returns true if the current |
5505 | input suffix matches the atom bracketed by ATOM and END_ATOM. */ | |
5506 | static inline bool | |
1d088dee | 5507 | input_suffix_matches (const char *atom, const char *end_atom) |
4977bab6 | 5508 | { |
9a3bf943 RS |
5509 | /* We special case the semantics of {.s:...} and {.S:...} and their |
5510 | negative variants. Instead of testing the input filename suffix, | |
5511 | we test whether the input source file is an assembler file or an | |
5512 | assembler-with-cpp file respectively. This allows us to correctly | |
5513 | handle the -x command line option. */ | |
5514 | ||
5515 | if (atom + 1 == end_atom | |
5516 | && input_file_compiler | |
5517 | && input_file_compiler->suffix) | |
5518 | { | |
5519 | if (*atom == 's') | |
5520 | return !strcmp (input_file_compiler->suffix, "@assembler"); | |
5521 | if (*atom == 'S') | |
5522 | return !strcmp (input_file_compiler->suffix, "@assembler-with-cpp"); | |
5523 | } | |
5524 | ||
4977bab6 ZW |
5525 | return (input_suffix |
5526 | && !strncmp (input_suffix, atom, end_atom - atom) | |
5527 | && input_suffix[end_atom - atom] == '\0'); | |
5528 | } | |
ed1f651b | 5529 | |
4977bab6 ZW |
5530 | /* Inline subroutine of handle_braces. Returns true if a switch |
5531 | matching the atom bracketed by ATOM and END_ATOM appeared on the | |
5532 | command line. */ | |
5533 | static inline bool | |
1d088dee | 5534 | switch_matches (const char *atom, const char *end_atom, int starred) |
ed1f651b | 5535 | { |
4977bab6 ZW |
5536 | int i; |
5537 | int len = end_atom - atom; | |
5538 | int plen = starred ? len : -1; | |
ed1f651b | 5539 | |
4977bab6 ZW |
5540 | for (i = 0; i < n_switches; i++) |
5541 | if (!strncmp (switches[i].part1, atom, len) | |
5542 | && (starred || switches[i].part1[len] == '\0') | |
5543 | && check_live_switch (i, plen)) | |
5544 | return true; | |
8097c429 | 5545 | |
4977bab6 ZW |
5546 | return false; |
5547 | } | |
ed1f651b | 5548 | |
4977bab6 ZW |
5549 | /* Inline subroutine of handle_braces. Mark all of the switches which |
5550 | match ATOM (extends to END_ATOM; STARRED indicates whether there | |
5551 | was a star after the atom) for later processing. */ | |
5552 | static inline void | |
1d088dee | 5553 | mark_matching_switches (const char *atom, const char *end_atom, int starred) |
4977bab6 ZW |
5554 | { |
5555 | int i; | |
5556 | int len = end_atom - atom; | |
5557 | int plen = starred ? len : -1; | |
5558 | ||
5559 | for (i = 0; i < n_switches; i++) | |
5560 | if (!strncmp (switches[i].part1, atom, len) | |
5561 | && (starred || switches[i].part1[len] == '\0') | |
5562 | && check_live_switch (i, plen)) | |
5563 | switches[i].ordering = 1; | |
5564 | } | |
9bf09437 | 5565 | |
4977bab6 ZW |
5566 | /* Inline subroutine of handle_braces. Process all the currently |
5567 | marked switches through give_switch, and clear the marks. */ | |
5568 | static inline void | |
1d088dee | 5569 | process_marked_switches (void) |
4977bab6 ZW |
5570 | { |
5571 | int i; | |
ed1f651b | 5572 | |
4977bab6 ZW |
5573 | for (i = 0; i < n_switches; i++) |
5574 | if (switches[i].ordering == 1) | |
5575 | { | |
5576 | switches[i].ordering = 0; | |
5577 | give_switch (i, 0); | |
5578 | } | |
5579 | } | |
ed1f651b | 5580 | |
4977bab6 ZW |
5581 | /* Handle a %{ ... } construct. P points just inside the leading {. |
5582 | Returns a pointer one past the end of the brace block, or 0 | |
5583 | if we call do_spec_1 and that returns -1. */ | |
ed1f651b | 5584 | |
4977bab6 | 5585 | static const char * |
1d088dee | 5586 | handle_braces (const char *p) |
4977bab6 ZW |
5587 | { |
5588 | const char *atom, *end_atom; | |
5589 | const char *d_atom = NULL, *d_end_atom = NULL; | |
3b5edfee | 5590 | const char *orig = p; |
8097c429 | 5591 | |
4977bab6 ZW |
5592 | bool a_is_suffix; |
5593 | bool a_is_starred; | |
5594 | bool a_is_negated; | |
5595 | bool a_matched; | |
9bf09437 | 5596 | |
4977bab6 ZW |
5597 | bool a_must_be_last = false; |
5598 | bool ordered_set = false; | |
5599 | bool disjunct_set = false; | |
5600 | bool disj_matched = false; | |
5601 | bool disj_starred = true; | |
5602 | bool n_way_choice = false; | |
5603 | bool n_way_matched = false; | |
5604 | ||
5605 | #define SKIP_WHITE() do { while (*p == ' ' || *p == '\t') p++; } while (0) | |
9bf09437 | 5606 | |
4977bab6 | 5607 | do |
ed1f651b | 5608 | { |
4977bab6 | 5609 | if (a_must_be_last) |
3b5edfee | 5610 | goto invalid; |
9bf09437 | 5611 | |
4977bab6 ZW |
5612 | /* Scan one "atom" (S in the description above of %{}, possibly |
5613 | with !, ., or * modifiers). */ | |
5614 | a_matched = a_is_suffix = a_is_starred = a_is_negated = false; | |
9218435e | 5615 | |
4977bab6 ZW |
5616 | SKIP_WHITE(); |
5617 | if (*p == '!') | |
5618 | p++, a_is_negated = true; | |
ed1f651b | 5619 | |
4977bab6 ZW |
5620 | SKIP_WHITE(); |
5621 | if (*p == '.') | |
5622 | p++, a_is_suffix = true; | |
ed1f651b | 5623 | |
4977bab6 ZW |
5624 | atom = p; |
5625 | while (ISIDNUM(*p) || *p == '-' || *p == '+' || *p == '=' | |
cde26509 | 5626 | || *p == ',' || *p == '.' || *p == '@') |
4977bab6 ZW |
5627 | p++; |
5628 | end_atom = p; | |
ed1f651b | 5629 | |
4977bab6 ZW |
5630 | if (*p == '*') |
5631 | p++, a_is_starred = 1; | |
196a37f4 | 5632 | |
4977bab6 | 5633 | SKIP_WHITE(); |
3b5edfee | 5634 | switch (*p) |
4977bab6 | 5635 | { |
3b5edfee | 5636 | case '&': case '}': |
4977bab6 ZW |
5637 | /* Substitute the switch(es) indicated by the current atom. */ |
5638 | ordered_set = true; | |
5639 | if (disjunct_set || n_way_choice || a_is_negated || a_is_suffix | |
5640 | || atom == end_atom) | |
3b5edfee | 5641 | goto invalid; |
ed1f651b | 5642 | |
4977bab6 ZW |
5643 | mark_matching_switches (atom, end_atom, a_is_starred); |
5644 | ||
5645 | if (*p == '}') | |
5646 | process_marked_switches (); | |
3b5edfee NS |
5647 | break; |
5648 | ||
5649 | case '|': case ':': | |
4977bab6 ZW |
5650 | /* Substitute some text if the current atom appears as a switch |
5651 | or suffix. */ | |
5652 | disjunct_set = true; | |
5653 | if (ordered_set) | |
3b5edfee | 5654 | goto invalid; |
ed1f651b | 5655 | |
4977bab6 | 5656 | if (atom == end_atom) |
ed1f651b | 5657 | { |
4977bab6 ZW |
5658 | if (!n_way_choice || disj_matched || *p == '|' |
5659 | || a_is_negated || a_is_suffix || a_is_starred) | |
3b5edfee | 5660 | goto invalid; |
4977bab6 ZW |
5661 | |
5662 | /* An empty term may appear as the last choice of an | |
5663 | N-way choice set; it means "otherwise". */ | |
5664 | a_must_be_last = true; | |
5665 | disj_matched = !n_way_matched; | |
5666 | disj_starred = false; | |
ed1f651b | 5667 | } |
4977bab6 | 5668 | else |
ed1f651b | 5669 | { |
4977bab6 | 5670 | if (a_is_suffix && a_is_starred) |
3b5edfee | 5671 | goto invalid; |
4977bab6 ZW |
5672 | |
5673 | if (!a_is_starred) | |
5674 | disj_starred = false; | |
5675 | ||
5676 | /* Don't bother testing this atom if we already have a | |
5677 | match. */ | |
5678 | if (!disj_matched && !n_way_matched) | |
5679 | { | |
5680 | if (a_is_suffix) | |
5681 | a_matched = input_suffix_matches (atom, end_atom); | |
5682 | else | |
5683 | a_matched = switch_matches (atom, end_atom, a_is_starred); | |
5684 | ||
5685 | if (a_matched != a_is_negated) | |
5686 | { | |
5687 | disj_matched = true; | |
5688 | d_atom = atom; | |
5689 | d_end_atom = end_atom; | |
5690 | } | |
5691 | } | |
ed1f651b | 5692 | } |
ed1f651b | 5693 | |
4977bab6 | 5694 | if (*p == ':') |
ed1f651b | 5695 | { |
4977bab6 ZW |
5696 | /* Found the body, that is, the text to substitute if the |
5697 | current disjunction matches. */ | |
5698 | p = process_brace_body (p + 1, d_atom, d_end_atom, disj_starred, | |
5699 | disj_matched && !n_way_matched); | |
5700 | if (p == 0) | |
5701 | return 0; | |
ed1f651b | 5702 | |
4977bab6 ZW |
5703 | /* If we have an N-way choice, reset state for the next |
5704 | disjunction. */ | |
5705 | if (*p == ';') | |
ed1f651b | 5706 | { |
4977bab6 ZW |
5707 | n_way_choice = true; |
5708 | n_way_matched |= disj_matched; | |
5709 | disj_matched = false; | |
5710 | disj_starred = true; | |
5711 | d_atom = d_end_atom = NULL; | |
ed1f651b RS |
5712 | } |
5713 | } | |
3b5edfee NS |
5714 | break; |
5715 | ||
5716 | default: | |
5717 | goto invalid; | |
ed1f651b | 5718 | } |
4977bab6 ZW |
5719 | } |
5720 | while (*p++ != '}'); | |
ed1f651b | 5721 | |
4977bab6 | 5722 | return p; |
7904f95f | 5723 | |
3b5edfee | 5724 | invalid: |
9e637a26 | 5725 | fatal ("braced spec '%s' is invalid at '%c'", orig, *p); |
7904f95f | 5726 | |
4977bab6 ZW |
5727 | #undef SKIP_WHITE |
5728 | } | |
5729 | ||
5730 | /* Subroutine of handle_braces. Scan and process a brace substitution body | |
5731 | (X in the description of %{} syntax). P points one past the colon; | |
5732 | ATOM and END_ATOM bracket the first atom which was found to be true | |
5733 | (present) in the current disjunction; STARRED indicates whether all | |
5734 | the atoms in the current disjunction were starred (for syntax validation); | |
5735 | MATCHED indicates whether the disjunction matched or not, and therefore | |
5736 | whether or not the body is to be processed through do_spec_1 or just | |
5737 | skipped. Returns a pointer to the closing } or ;, or 0 if do_spec_1 | |
5738 | returns -1. */ | |
5739 | ||
5740 | static const char * | |
1d088dee AJ |
5741 | process_brace_body (const char *p, const char *atom, const char *end_atom, |
5742 | int starred, int matched) | |
4977bab6 ZW |
5743 | { |
5744 | const char *body, *end_body; | |
5745 | unsigned int nesting_level; | |
5746 | bool have_subst = false; | |
5747 | ||
5748 | /* Locate the closing } or ;, honoring nested braces. | |
5749 | Trim trailing whitespace. */ | |
5750 | body = p; | |
5751 | nesting_level = 1; | |
5752 | for (;;) | |
5753 | { | |
5754 | if (*p == '{') | |
5755 | nesting_level++; | |
5756 | else if (*p == '}') | |
ed1f651b | 5757 | { |
4977bab6 ZW |
5758 | if (!--nesting_level) |
5759 | break; | |
ed1f651b | 5760 | } |
4977bab6 ZW |
5761 | else if (*p == ';' && nesting_level == 1) |
5762 | break; | |
5763 | else if (*p == '%' && p[1] == '*' && nesting_level == 1) | |
5764 | have_subst = true; | |
5765 | else if (*p == '\0') | |
3b5edfee | 5766 | goto invalid; |
4977bab6 | 5767 | p++; |
ed1f651b | 5768 | } |
1d088dee | 5769 | |
4977bab6 ZW |
5770 | end_body = p; |
5771 | while (end_body[-1] == ' ' || end_body[-1] == '\t') | |
5772 | end_body--; | |
ed1f651b | 5773 | |
4977bab6 | 5774 | if (have_subst && !starred) |
3b5edfee | 5775 | goto invalid; |
9bf09437 | 5776 | |
4977bab6 | 5777 | if (matched) |
196a37f4 | 5778 | { |
4977bab6 ZW |
5779 | /* Copy the substitution body to permanent storage and execute it. |
5780 | If have_subst is false, this is a simple matter of running the | |
5781 | body through do_spec_1... */ | |
5782 | char *string = save_string (body, end_body - body); | |
5783 | if (!have_subst) | |
5784 | { | |
5785 | if (do_spec_1 (string, 0, NULL) < 0) | |
5786 | return 0; | |
5787 | } | |
5788 | else | |
5789 | { | |
5790 | /* ... but if have_subst is true, we have to process the | |
5791 | body once for each matching switch, with %* set to the | |
5792 | variant part of the switch. */ | |
5793 | unsigned int hard_match_len = end_atom - atom; | |
5794 | int i; | |
196a37f4 | 5795 | |
4977bab6 ZW |
5796 | for (i = 0; i < n_switches; i++) |
5797 | if (!strncmp (switches[i].part1, atom, hard_match_len) | |
5798 | && check_live_switch (i, hard_match_len)) | |
5799 | { | |
5800 | if (do_spec_1 (string, 0, | |
5801 | &switches[i].part1[hard_match_len]) < 0) | |
5802 | return 0; | |
5803 | /* Pass any arguments this switch has. */ | |
5804 | give_switch (i, 1); | |
5805 | suffix_subst = NULL; | |
5806 | } | |
5807 | } | |
10ebf5fe NB |
5808 | } |
5809 | ||
4977bab6 | 5810 | return p; |
3b5edfee NS |
5811 | |
5812 | invalid: | |
9e637a26 | 5813 | fatal ("braced spec body '%s' is invalid", body); |
ed1f651b | 5814 | } |
f5b0eb4e | 5815 | \f |
6c396fb5 RK |
5816 | /* Return 0 iff switch number SWITCHNUM is obsoleted by a later switch |
5817 | on the command line. PREFIX_LENGTH is the length of XXX in an {XXX*} | |
5818 | spec, or -1 if either exact match or %* is used. | |
f5b0eb4e RK |
5819 | |
5820 | A -O switch is obsoleted by a later -O switch. A -f, -m, or -W switch | |
5821 | whose value does not begin with "no-" is obsoleted by the same value | |
5822 | with the "no-", similarly for a switch with the "no-" prefix. */ | |
5823 | ||
5824 | static int | |
1d088dee | 5825 | check_live_switch (int switchnum, int prefix_length) |
f5b0eb4e | 5826 | { |
878f32c3 | 5827 | const char *name = switches[switchnum].part1; |
f5b0eb4e RK |
5828 | int i; |
5829 | ||
6c396fb5 | 5830 | /* In the common case of {<at-most-one-letter>*}, a negating |
f5b0eb4e RK |
5831 | switch would always match, so ignore that case. We will just |
5832 | send the conflicting switches to the compiler phase. */ | |
6c396fb5 | 5833 | if (prefix_length >= 0 && prefix_length <= 1) |
f5b0eb4e RK |
5834 | return 1; |
5835 | ||
5836 | /* If we already processed this switch and determined if it was | |
5837 | live or not, return our past determination. */ | |
5838 | if (switches[switchnum].live_cond != 0) | |
5839 | return switches[switchnum].live_cond > 0; | |
5840 | ||
5841 | /* Now search for duplicate in a manner that depends on the name. */ | |
5842 | switch (*name) | |
5843 | { | |
5844 | case 'O': | |
d25a45d4 KH |
5845 | for (i = switchnum + 1; i < n_switches; i++) |
5846 | if (switches[i].part1[0] == 'O') | |
5847 | { | |
5848 | switches[switchnum].validated = 1; | |
5849 | switches[switchnum].live_cond = SWITCH_FALSE; | |
5850 | return 0; | |
5851 | } | |
f5b0eb4e | 5852 | break; |
ed1f651b | 5853 | |
f5b0eb4e | 5854 | case 'W': case 'f': case 'm': |
6c396fb5 | 5855 | if (! strncmp (name + 1, "no-", 3)) |
f5b0eb4e | 5856 | { |
0f41302f | 5857 | /* We have Xno-YYY, search for XYYY. */ |
f5b0eb4e RK |
5858 | for (i = switchnum + 1; i < n_switches; i++) |
5859 | if (switches[i].part1[0] == name[0] | |
5860 | && ! strcmp (&switches[i].part1[1], &name[4])) | |
d25a45d4 KH |
5861 | { |
5862 | switches[switchnum].validated = 1; | |
5863 | switches[switchnum].live_cond = SWITCH_FALSE; | |
5864 | return 0; | |
5865 | } | |
f5b0eb4e RK |
5866 | } |
5867 | else | |
5868 | { | |
5869 | /* We have XYYY, search for Xno-YYY. */ | |
5870 | for (i = switchnum + 1; i < n_switches; i++) | |
5871 | if (switches[i].part1[0] == name[0] | |
5872 | && switches[i].part1[1] == 'n' | |
5873 | && switches[i].part1[2] == 'o' | |
5874 | && switches[i].part1[3] == '-' | |
5875 | && !strcmp (&switches[i].part1[4], &name[1])) | |
d25a45d4 KH |
5876 | { |
5877 | switches[switchnum].validated = 1; | |
5878 | switches[switchnum].live_cond = SWITCH_FALSE; | |
5879 | return 0; | |
5880 | } | |
f5b0eb4e RK |
5881 | } |
5882 | break; | |
5883 | } | |
5884 | ||
5885 | /* Otherwise the switch is live. */ | |
8097c429 | 5886 | switches[switchnum].live_cond = SWITCH_LIVE; |
f5b0eb4e RK |
5887 | return 1; |
5888 | } | |
5889 | \f | |
ed1f651b RS |
5890 | /* Pass a switch to the current accumulating command |
5891 | in the same form that we received it. | |
5892 | SWITCHNUM identifies the switch; it is an index into | |
5893 | the vector of switches gcc received, which is `switches'. | |
5894 | This cannot fail since it never finishes a command line. | |
5895 | ||
4977bab6 | 5896 | If OMIT_FIRST_WORD is nonzero, then we omit .part1 of the argument. */ |
ed1f651b RS |
5897 | |
5898 | static void | |
1d088dee | 5899 | give_switch (int switchnum, int omit_first_word) |
ed1f651b | 5900 | { |
8097c429 TT |
5901 | if (switches[switchnum].live_cond == SWITCH_IGNORE) |
5902 | return; | |
5903 | ||
ed1f651b RS |
5904 | if (!omit_first_word) |
5905 | { | |
6496a589 KG |
5906 | do_spec_1 ("-", 0, NULL); |
5907 | do_spec_1 (switches[switchnum].part1, 1, NULL); | |
ed1f651b | 5908 | } |
1ba9a487 | 5909 | |
ed1f651b RS |
5910 | if (switches[switchnum].args != 0) |
5911 | { | |
fbd40359 | 5912 | const char **p; |
ed1f651b RS |
5913 | for (p = switches[switchnum].args; *p; p++) |
5914 | { | |
11972f66 NS |
5915 | const char *arg = *p; |
5916 | ||
4977bab6 | 5917 | do_spec_1 (" ", 0, NULL); |
11972f66 NS |
5918 | if (suffix_subst) |
5919 | { | |
5920 | unsigned length = strlen (arg); | |
e65677af | 5921 | int dot = 0; |
11972f66 NS |
5922 | |
5923 | while (length-- && !IS_DIR_SEPARATOR (arg[length])) | |
5924 | if (arg[length] == '.') | |
5925 | { | |
5926 | ((char *)arg)[length] = 0; | |
e65677af | 5927 | dot = 1; |
11972f66 NS |
5928 | break; |
5929 | } | |
6496a589 | 5930 | do_spec_1 (arg, 1, NULL); |
e65677af JJ |
5931 | if (dot) |
5932 | ((char *)arg)[length] = '.'; | |
5933 | do_spec_1 (suffix_subst, 1, NULL); | |
11972f66 NS |
5934 | } |
5935 | else | |
6496a589 | 5936 | do_spec_1 (arg, 1, NULL); |
ed1f651b RS |
5937 | } |
5938 | } | |
1ba9a487 | 5939 | |
6496a589 | 5940 | do_spec_1 (" ", 0, NULL); |
ab87f8c8 | 5941 | switches[switchnum].validated = 1; |
ed1f651b RS |
5942 | } |
5943 | \f | |
5944 | /* Search for a file named NAME trying various prefixes including the | |
5945 | user's -B prefix and some standard ones. | |
5946 | Return the absolute file name found. If nothing is found, return NAME. */ | |
5947 | ||
878f32c3 | 5948 | static const char * |
1d088dee | 5949 | find_file (const char *name) |
ed1f651b | 5950 | { |
00dcee0c | 5951 | char *newname = find_a_file (&startfile_prefixes, name, R_OK, true); |
ed1f651b RS |
5952 | return newname ? newname : name; |
5953 | } | |
5954 | ||
0ad5835e | 5955 | /* Determine whether a directory exists. If LINKER, return 0 for |
00dcee0c | 5956 | certain fixed names not needed by the linker. */ |
ed1f651b RS |
5957 | |
5958 | static int | |
00dcee0c | 5959 | is_directory (const char *path1, bool linker) |
ed1f651b | 5960 | { |
00dcee0c AM |
5961 | int len1; |
5962 | char *path; | |
ed1f651b RS |
5963 | char *cp; |
5964 | struct stat st; | |
5965 | ||
00dcee0c AM |
5966 | /* Ensure the string ends with "/.". The resulting path will be a |
5967 | directory even if the given path is a symbolic link. */ | |
5968 | len1 = strlen (path1); | |
5969 | path = alloca (3 + len1); | |
7e2231e7 | 5970 | memcpy (path, path1, len1); |
00dcee0c | 5971 | cp = path + len1; |
509781a4 | 5972 | if (!IS_DIR_SEPARATOR (cp[-1])) |
48ff801b | 5973 | *cp++ = DIR_SEPARATOR; |
ed1f651b RS |
5974 | *cp++ = '.'; |
5975 | *cp = '\0'; | |
5976 | ||
5977 | /* Exclude directories that the linker is known to search. */ | |
0ad5835e | 5978 | if (linker |
00dcee0c | 5979 | && IS_DIR_SEPARATOR (path[0]) |
48ff801b | 5980 | && ((cp - path == 6 |
00dcee0c | 5981 | && strncmp (path + 1, "lib", 3) == 0) |
48ff801b | 5982 | || (cp - path == 10 |
00dcee0c AM |
5983 | && strncmp (path + 1, "usr", 3) == 0 |
5984 | && IS_DIR_SEPARATOR (path[4]) | |
5985 | && strncmp (path + 5, "lib", 3) == 0))) | |
ed1f651b RS |
5986 | return 0; |
5987 | ||
5988 | return (stat (path, &st) >= 0 && S_ISDIR (st.st_mode)); | |
5989 | } | |
512b62fb JM |
5990 | |
5991 | /* Set up the various global variables to indicate that we're processing | |
5992 | the input file named FILENAME. */ | |
5993 | ||
b856c15d | 5994 | void |
1d088dee | 5995 | set_input (const char *filename) |
512b62fb | 5996 | { |
b3694847 | 5997 | const char *p; |
512b62fb JM |
5998 | |
5999 | input_filename = filename; | |
6000 | input_filename_length = strlen (input_filename); | |
9218435e | 6001 | |
512b62fb | 6002 | input_basename = input_filename; |
4ebe197a ME |
6003 | #ifdef HAVE_DOS_BASED_FILE_SYSTEM |
6004 | /* Skip drive name so 'x:foo' is handled properly. */ | |
6005 | if (input_basename[1] == ':') | |
6006 | input_basename += 2; | |
6007 | #endif | |
6008 | for (p = input_basename; *p; p++) | |
512b62fb JM |
6009 | if (IS_DIR_SEPARATOR (*p)) |
6010 | input_basename = p + 1; | |
6011 | ||
6012 | /* Find a suffix starting with the last period, | |
6013 | and set basename_length to exclude that suffix. */ | |
6014 | basename_length = strlen (input_basename); | |
ea414c97 | 6015 | suffixed_basename_length = basename_length; |
512b62fb | 6016 | p = input_basename + basename_length; |
d25a45d4 KH |
6017 | while (p != input_basename && *p != '.') |
6018 | --p; | |
512b62fb JM |
6019 | if (*p == '.' && p != input_basename) |
6020 | { | |
6021 | basename_length = p - input_basename; | |
6022 | input_suffix = p + 1; | |
6023 | } | |
6024 | else | |
6025 | input_suffix = ""; | |
589005ff | 6026 | |
99f78cdd IR |
6027 | /* If a spec for 'g', 'u', or 'U' is seen with -save-temps then |
6028 | we will need to do a stat on the input_filename. The | |
6029 | INPUT_STAT_SET signals that the stat is needed. */ | |
6030 | input_stat_set = 0; | |
512b62fb | 6031 | } |
ed1f651b RS |
6032 | \f |
6033 | /* On fatal signals, delete all the temporary files. */ | |
6034 | ||
6035 | static void | |
1d088dee | 6036 | fatal_error (int signum) |
ed1f651b RS |
6037 | { |
6038 | signal (signum, SIG_DFL); | |
6039 | delete_failure_queue (); | |
6040 | delete_temp_files (); | |
6041 | /* Get the same signal again, this time not handled, | |
6042 | so its normal effect occurs. */ | |
6043 | kill (getpid (), signum); | |
6044 | } | |
6045 | ||
07a3df01 | 6046 | extern int main (int, char **); |
a8f227e7 | 6047 | |
ed1f651b | 6048 | int |
07a3df01 | 6049 | main (int argc, char **argv) |
ed1f651b | 6050 | { |
ea414c97 | 6051 | size_t i; |
ed1f651b | 6052 | int value; |
ed1f651b | 6053 | int linker_was_run = 0; |
0855eab7 | 6054 | int lang_n_infiles = 0; |
17211ab5 | 6055 | int num_linker_inputs = 0; |
ed1f651b RS |
6056 | char *explicit_link_files; |
6057 | char *specs_file; | |
878f32c3 | 6058 | const char *p; |
d9ac3a07 | 6059 | struct user_specs *uptr; |
ed1f651b | 6060 | |
afcd8a02 | 6061 | p = argv[0] + strlen (argv[0]); |
509781a4 ME |
6062 | while (p != argv[0] && !IS_DIR_SEPARATOR (p[-1])) |
6063 | --p; | |
afcd8a02 | 6064 | programname = p; |
ed1f651b | 6065 | |
e1a132c6 RK |
6066 | xmalloc_set_program_name (programname); |
6067 | ||
9d530538 MM |
6068 | expandargv (&argc, &argv); |
6069 | ||
93284395 | 6070 | #ifdef GCC_DRIVER_HOST_INITIALIZATION |
ff7cc307 | 6071 | /* Perform host dependent initialization when needed. */ |
93284395 ME |
6072 | GCC_DRIVER_HOST_INITIALIZATION; |
6073 | #endif | |
6074 | ||
98a3dad4 | 6075 | /* Unlock the stdio streams. */ |
2653bb0c | 6076 | unlock_std_streams (); |
98a3dad4 | 6077 | |
191bf464 | 6078 | gcc_init_libintl (); |
ab87f8c8 | 6079 | |
ed1f651b RS |
6080 | if (signal (SIGINT, SIG_IGN) != SIG_IGN) |
6081 | signal (SIGINT, fatal_error); | |
2a353d3a | 6082 | #ifdef SIGHUP |
ed1f651b RS |
6083 | if (signal (SIGHUP, SIG_IGN) != SIG_IGN) |
6084 | signal (SIGHUP, fatal_error); | |
2a353d3a | 6085 | #endif |
ed1f651b RS |
6086 | if (signal (SIGTERM, SIG_IGN) != SIG_IGN) |
6087 | signal (SIGTERM, fatal_error); | |
6088 | #ifdef SIGPIPE | |
6089 | if (signal (SIGPIPE, SIG_IGN) != SIG_IGN) | |
6090 | signal (SIGPIPE, fatal_error); | |
6091 | #endif | |
798bdf70 | 6092 | #ifdef SIGCHLD |
0bf679a3 BK |
6093 | /* We *MUST* set SIGCHLD to SIG_DFL so that the wait4() call will |
6094 | receive the signal. A different setting is inheritable */ | |
6095 | signal (SIGCHLD, SIG_DFL); | |
798bdf70 | 6096 | #endif |
ed1f651b | 6097 | |
f3226a90 JT |
6098 | /* Allocate the argument vector. */ |
6099 | alloc_args (); | |
ed1f651b RS |
6100 | |
6101 | obstack_init (&obstack); | |
6102 | ||
961b7009 MM |
6103 | /* Build multilib_select, et. al from the separate lines that make up each |
6104 | multilib selection. */ | |
ffd86336 | 6105 | { |
3b304f5b | 6106 | const char *const *q = multilib_raw; |
961b7009 | 6107 | int need_space; |
ffd86336 JW |
6108 | |
6109 | obstack_init (&multilib_obstack); | |
0f41302f | 6110 | while ((p = *q++) != (char *) 0) |
ffd86336 JW |
6111 | obstack_grow (&multilib_obstack, p, strlen (p)); |
6112 | ||
6113 | obstack_1grow (&multilib_obstack, 0); | |
7973fd2a | 6114 | multilib_select = XOBFINISH (&multilib_obstack, const char *); |
961b7009 MM |
6115 | |
6116 | q = multilib_matches_raw; | |
6117 | while ((p = *q++) != (char *) 0) | |
6118 | obstack_grow (&multilib_obstack, p, strlen (p)); | |
6119 | ||
6120 | obstack_1grow (&multilib_obstack, 0); | |
7973fd2a | 6121 | multilib_matches = XOBFINISH (&multilib_obstack, const char *); |
961b7009 | 6122 | |
0a8d6618 BC |
6123 | q = multilib_exclusions_raw; |
6124 | while ((p = *q++) != (char *) 0) | |
d25a45d4 | 6125 | obstack_grow (&multilib_obstack, p, strlen (p)); |
0a8d6618 BC |
6126 | |
6127 | obstack_1grow (&multilib_obstack, 0); | |
7973fd2a | 6128 | multilib_exclusions = XOBFINISH (&multilib_obstack, const char *); |
9218435e | 6129 | |
961b7009 | 6130 | need_space = FALSE; |
b6a1cbae | 6131 | for (i = 0; i < ARRAY_SIZE (multilib_defaults_raw); i++) |
961b7009 MM |
6132 | { |
6133 | if (need_space) | |
6134 | obstack_1grow (&multilib_obstack, ' '); | |
6135 | obstack_grow (&multilib_obstack, | |
6136 | multilib_defaults_raw[i], | |
6137 | strlen (multilib_defaults_raw[i])); | |
6138 | need_space = TRUE; | |
6139 | } | |
6140 | ||
6141 | obstack_1grow (&multilib_obstack, 0); | |
7973fd2a | 6142 | multilib_defaults = XOBFINISH (&multilib_obstack, const char *); |
ffd86336 JW |
6143 | } |
6144 | ||
b3865ca9 | 6145 | /* Set up to remember the pathname of gcc and any options |
1d23c208 JW |
6146 | needed for collect. We use argv[0] instead of programname because |
6147 | we need the complete pathname. */ | |
b3865ca9 | 6148 | obstack_init (&collect_obstack); |
d25a45d4 KH |
6149 | obstack_grow (&collect_obstack, "COLLECT_GCC=", sizeof ("COLLECT_GCC=") - 1); |
6150 | obstack_grow (&collect_obstack, argv[0], strlen (argv[0]) + 1); | |
7973fd2a | 6151 | putenv (XOBFINISH (&collect_obstack, char *)); |
b3865ca9 | 6152 | |
8faf4a68 JW |
6153 | #ifdef INIT_ENVIRONMENT |
6154 | /* Set up any other necessary machine specific environment variables. */ | |
6155 | putenv (INIT_ENVIRONMENT); | |
6156 | #endif | |
6157 | ||
ed1f651b RS |
6158 | /* Make a table of what switches there are (switches, n_switches). |
6159 | Make a table of specified input files (infiles, n_infiles). | |
6160 | Decode switches that are handled locally. */ | |
6161 | ||
07a3df01 | 6162 | process_command (argc, (const char **) argv); |
ed1f651b RS |
6163 | |
6164 | /* Initialize the vector of specs to just the default. | |
6165 | This means one element containing 0s, as a terminator. */ | |
6166 | ||
703ad42b KG |
6167 | compilers = xmalloc (sizeof default_compilers); |
6168 | memcpy (compilers, default_compilers, sizeof default_compilers); | |
ed1f651b RS |
6169 | n_compilers = n_default_compilers; |
6170 | ||
6171 | /* Read specs from a file if there is one. */ | |
6172 | ||
6aa62cff | 6173 | machine_suffix = concat (spec_machine, dir_separator_str, |
d4f2852f KG |
6174 | spec_version, dir_separator_str, NULL); |
6175 | just_machine_suffix = concat (spec_machine, dir_separator_str, NULL); | |
ed1f651b | 6176 | |
00dcee0c | 6177 | specs_file = find_a_file (&startfile_prefixes, "specs", R_OK, true); |
ed1f651b RS |
6178 | /* Read the specs file unless it is a default one. */ |
6179 | if (specs_file != 0 && strcmp (specs_file, "specs")) | |
20df0482 MM |
6180 | read_specs (specs_file, TRUE); |
6181 | else | |
6182 | init_spec (); | |
841faeed | 6183 | |
5bb67e36 | 6184 | /* We need to check standard_exec_prefix/just_machine_suffix/specs |
3ac63d94 | 6185 | for any override of as, ld and libraries. */ |
703ad42b KG |
6186 | specs_file = alloca (strlen (standard_exec_prefix) |
6187 | + strlen (just_machine_suffix) + sizeof ("specs")); | |
5bb67e36 RK |
6188 | |
6189 | strcpy (specs_file, standard_exec_prefix); | |
6190 | strcat (specs_file, just_machine_suffix); | |
6191 | strcat (specs_file, "specs"); | |
6192 | if (access (specs_file, R_OK) == 0) | |
6193 | read_specs (specs_file, TRUE); | |
9218435e | 6194 | |
7816bea0 DJ |
6195 | /* Process any configure-time defaults specified for the command line |
6196 | options, via OPTION_DEFAULT_SPECS. */ | |
6197 | for (i = 0; i < ARRAY_SIZE (option_default_specs); i++) | |
6198 | do_option_spec (option_default_specs[i].name, | |
6199 | option_default_specs[i].spec); | |
6200 | ||
3bd6d4c4 AO |
6201 | /* Process DRIVER_SELF_SPECS, adding any new options to the end |
6202 | of the command line. */ | |
6203 | ||
6204 | for (i = 0; i < ARRAY_SIZE (driver_self_specs); i++) | |
6205 | do_self_spec (driver_self_specs[i]); | |
6206 | ||
4977bab6 ZW |
6207 | /* If not cross-compiling, look for executables in the standard |
6208 | places. */ | |
6209 | if (*cross_compile == '0') | |
004fd4d5 | 6210 | { |
2296d164 RK |
6211 | if (*md_exec_prefix) |
6212 | { | |
6213 | add_prefix (&exec_prefixes, md_exec_prefix, "GCC", | |
1a5d37a1 | 6214 | PREFIX_PRIORITY_LAST, 0, 0); |
2296d164 | 6215 | } |
4977bab6 ZW |
6216 | } |
6217 | ||
71c0e7fc | 6218 | /* Process sysroot_suffix_spec. */ |
e7f13528 GP |
6219 | if (*sysroot_suffix_spec != 0 |
6220 | && do_spec_2 (sysroot_suffix_spec) == 0) | |
6221 | { | |
6222 | if (argbuf_index > 1) | |
ab532386 | 6223 | error ("spec failure: more than one arg to SYSROOT_SUFFIX_SPEC"); |
e7f13528 GP |
6224 | else if (argbuf_index == 1) |
6225 | target_sysroot_suffix = xstrdup (argbuf[argbuf_index -1]); | |
6226 | } | |
6227 | ||
380e5ca4 MM |
6228 | #ifdef HAVE_LD_SYSROOT |
6229 | /* Pass the --sysroot option to the linker, if it supports that. If | |
6230 | there is a sysroot_suffix_spec, it has already been processed by | |
6231 | this point, so target_system_root really is the system root we | |
6232 | should be using. */ | |
6233 | if (target_system_root) | |
6234 | { | |
6235 | obstack_grow (&obstack, "%(sysroot_spec) ", strlen ("%(sysroot_spec) ")); | |
6236 | obstack_grow0 (&obstack, link_spec, strlen (link_spec)); | |
7973fd2a | 6237 | set_spec ("link", XOBFINISH (&obstack, const char *)); |
380e5ca4 MM |
6238 | } |
6239 | #endif | |
6240 | ||
71c0e7fc | 6241 | /* Process sysroot_hdrs_suffix_spec. */ |
e7f13528 GP |
6242 | if (*sysroot_hdrs_suffix_spec != 0 |
6243 | && do_spec_2 (sysroot_hdrs_suffix_spec) == 0) | |
6244 | { | |
6245 | if (argbuf_index > 1) | |
ab532386 | 6246 | error ("spec failure: more than one arg to SYSROOT_HEADERS_SUFFIX_SPEC"); |
e7f13528 GP |
6247 | else if (argbuf_index == 1) |
6248 | target_sysroot_hdrs_suffix = xstrdup (argbuf[argbuf_index -1]); | |
6249 | } | |
6250 | ||
4977bab6 ZW |
6251 | /* Look for startfiles in the standard places. */ |
6252 | if (*startfile_prefix_spec != 0 | |
6253 | && do_spec_2 (startfile_prefix_spec) == 0 | |
6254 | && do_spec_1 (" ", 0, NULL) == 0) | |
6255 | { | |
6256 | int ndx; | |
6257 | for (ndx = 0; ndx < argbuf_index; ndx++) | |
6258 | add_sysrooted_prefix (&startfile_prefixes, argbuf[ndx], "BINUTILS", | |
1a5d37a1 | 6259 | PREFIX_PRIORITY_LAST, 0, 1); |
4977bab6 ZW |
6260 | } |
6261 | /* We should eventually get rid of all these and stick to | |
6262 | startfile_prefix_spec exclusively. */ | |
6263 | else if (*cross_compile == '0' || target_system_root) | |
6264 | { | |
2296d164 | 6265 | if (*md_startfile_prefix) |
4977bab6 | 6266 | add_sysrooted_prefix (&startfile_prefixes, md_startfile_prefix, |
1a5d37a1 | 6267 | "GCC", PREFIX_PRIORITY_LAST, 0, 1); |
004fd4d5 | 6268 | |
2296d164 | 6269 | if (*md_startfile_prefix_1) |
4977bab6 | 6270 | add_sysrooted_prefix (&startfile_prefixes, md_startfile_prefix_1, |
1a5d37a1 | 6271 | "GCC", PREFIX_PRIORITY_LAST, 0, 1); |
607a4f7d | 6272 | |
4dbc7773 ILT |
6273 | /* If standard_startfile_prefix is relative, base it on |
6274 | standard_exec_prefix. This lets us move the installed tree | |
6275 | as a unit. If GCC_EXEC_PREFIX is defined, base | |
0d037580 DJ |
6276 | standard_startfile_prefix on that as well. |
6277 | ||
6278 | If the prefix is relative, only search it for native compilers; | |
6279 | otherwise we will search a directory containing host libraries. */ | |
3dce1408 | 6280 | if (IS_ABSOLUTE_PATH (standard_startfile_prefix)) |
4977bab6 ZW |
6281 | add_sysrooted_prefix (&startfile_prefixes, |
6282 | standard_startfile_prefix, "BINUTILS", | |
1a5d37a1 | 6283 | PREFIX_PRIORITY_LAST, 0, 1); |
0d037580 | 6284 | else if (*cross_compile == '0') |
4dbc7773 ILT |
6285 | { |
6286 | if (gcc_exec_prefix) | |
48ff801b | 6287 | add_prefix (&startfile_prefixes, |
6aa62cff | 6288 | concat (gcc_exec_prefix, machine_suffix, |
d4f2852f | 6289 | standard_startfile_prefix, NULL), |
1a5d37a1 | 6290 | NULL, PREFIX_PRIORITY_LAST, 0, 1); |
48ff801b | 6291 | add_prefix (&startfile_prefixes, |
6aa62cff DE |
6292 | concat (standard_exec_prefix, |
6293 | machine_suffix, | |
d4f2852f | 6294 | standard_startfile_prefix, NULL), |
1a5d37a1 | 6295 | NULL, PREFIX_PRIORITY_LAST, 0, 1); |
9218435e | 6296 | } |
4dbc7773 | 6297 | |
656c7a3a AL |
6298 | if (*standard_startfile_prefix_1) |
6299 | add_sysrooted_prefix (&startfile_prefixes, | |
6300 | standard_startfile_prefix_1, "BINUTILS", | |
1a5d37a1 | 6301 | PREFIX_PRIORITY_LAST, 0, 1); |
656c7a3a AL |
6302 | if (*standard_startfile_prefix_2) |
6303 | add_sysrooted_prefix (&startfile_prefixes, | |
6304 | standard_startfile_prefix_2, "BINUTILS", | |
1a5d37a1 | 6305 | PREFIX_PRIORITY_LAST, 0, 1); |
004fd4d5 | 6306 | } |
343f59d9 | 6307 | |
8607048d TT |
6308 | /* Process any user specified specs in the order given on the command |
6309 | line. */ | |
6310 | for (uptr = user_specs_head; uptr; uptr = uptr->next) | |
6311 | { | |
5bbcd587 | 6312 | char *filename = find_a_file (&startfile_prefixes, uptr->filename, |
00dcee0c | 6313 | R_OK, true); |
8607048d TT |
6314 | read_specs (filename ? filename : uptr->filename, FALSE); |
6315 | } | |
6316 | ||
e8601ecb JW |
6317 | /* If we have a GCC_EXEC_PREFIX envvar, modify it for cpp's sake. */ |
6318 | if (gcc_exec_prefix) | |
cb6edbcb KG |
6319 | gcc_exec_prefix = concat (gcc_exec_prefix, spec_machine, dir_separator_str, |
6320 | spec_version, dir_separator_str, NULL); | |
004fd4d5 | 6321 | |
ed1f651b RS |
6322 | /* Now we have the specs. |
6323 | Set the `valid' bits for switches that match anything in any spec. */ | |
6324 | ||
6325 | validate_all_switches (); | |
6326 | ||
60103a34 DE |
6327 | /* Now that we have the switches and the specs, set |
6328 | the subdirectory based on the options. */ | |
6329 | set_multilib_dir (); | |
6330 | ||
ed1f651b RS |
6331 | /* Warn about any switches that no pass was interested in. */ |
6332 | ||
d25a45d4 | 6333 | for (i = 0; (int) i < n_switches; i++) |
ab87f8c8 | 6334 | if (! switches[i].validated) |
9e637a26 | 6335 | error ("unrecognized option '-%s'", switches[i].part1); |
ed1f651b | 6336 | |
6a9e290e RK |
6337 | /* Obey some of the options. */ |
6338 | ||
2628b9d3 DE |
6339 | if (print_search_dirs) |
6340 | { | |
5e4adfba | 6341 | printf (_("install: %s%s\n"), standard_exec_prefix, machine_suffix); |
00dcee0c AM |
6342 | printf (_("programs: %s\n"), |
6343 | build_search_list (&exec_prefixes, "", false, false)); | |
6344 | printf (_("libraries: %s\n"), | |
6345 | build_search_list (&startfile_prefixes, "", false, true)); | |
9257393c | 6346 | return (0); |
2628b9d3 DE |
6347 | } |
6348 | ||
6a9e290e | 6349 | if (print_file_name) |
2dcb563f | 6350 | { |
6a9e290e | 6351 | printf ("%s\n", find_file (print_file_name)); |
9257393c | 6352 | return (0); |
2dcb563f RS |
6353 | } |
6354 | ||
6a9e290e RK |
6355 | if (print_prog_name) |
6356 | { | |
5bbcd587 | 6357 | char *newname = find_a_file (&exec_prefixes, print_prog_name, X_OK, 0); |
6a9e290e | 6358 | printf ("%s\n", (newname ? newname : print_prog_name)); |
9257393c | 6359 | return (0); |
6a9e290e | 6360 | } |
ed1f651b | 6361 | |
60103a34 DE |
6362 | if (print_multi_lib) |
6363 | { | |
6364 | print_multilib_info (); | |
9257393c | 6365 | return (0); |
60103a34 DE |
6366 | } |
6367 | ||
6368 | if (print_multi_directory) | |
6369 | { | |
6370 | if (multilib_dir == NULL) | |
6371 | printf (".\n"); | |
6372 | else | |
6373 | printf ("%s\n", multilib_dir); | |
9257393c | 6374 | return (0); |
60103a34 DE |
6375 | } |
6376 | ||
5bbcd587 JJ |
6377 | if (print_multi_os_directory) |
6378 | { | |
6379 | if (multilib_os_dir == NULL) | |
6380 | printf (".\n"); | |
6381 | else | |
6382 | printf ("%s\n", multilib_os_dir); | |
6383 | return (0); | |
6384 | } | |
6385 | ||
91606ce2 CC |
6386 | if (target_help_flag) |
6387 | { | |
3ef42a0c | 6388 | /* Print if any target specific options. */ |
91606ce2 CC |
6389 | |
6390 | /* We do not exit here. Instead we have created a fake input file | |
6391 | called 'target-dummy' which needs to be compiled, and we pass this | |
6392 | on to the various sub-processes, along with the --target-help | |
dc297297 | 6393 | switch. */ |
91606ce2 CC |
6394 | } |
6395 | ||
b8468bc7 NC |
6396 | if (print_help_list) |
6397 | { | |
6398 | display_help (); | |
6399 | ||
6400 | if (! verbose_flag) | |
6401 | { | |
5e4adfba | 6402 | printf (_("\nFor bug reporting instructions, please see:\n")); |
a976603e | 6403 | printf ("%s.\n", bug_report_url); |
9218435e | 6404 | |
9257393c | 6405 | return (0); |
b8468bc7 NC |
6406 | } |
6407 | ||
6408 | /* We do not exit here. Instead we have created a fake input file | |
6409 | called 'help-dummy' which needs to be compiled, and we pass this | |
4fe9b91c | 6410 | on the various sub-processes, along with the --help switch. */ |
b8468bc7 | 6411 | } |
9218435e | 6412 | |
ed1f651b RS |
6413 | if (verbose_flag) |
6414 | { | |
7ad9ff7a | 6415 | int n; |
008355a6 | 6416 | const char *thrmod; |
7ad9ff7a | 6417 | |
cd21f044 | 6418 | notice ("Target: %s\n", spec_machine); |
f5fa9a5b PE |
6419 | notice ("Configured with: %s\n", configuration_arguments); |
6420 | ||
008355a6 AO |
6421 | #ifdef THREAD_MODEL_SPEC |
6422 | /* We could have defined THREAD_MODEL_SPEC to "%*" by default, | |
6423 | but there's no point in doing all this processing just to get | |
6424 | thread_model back. */ | |
6425 | obstack_init (&obstack); | |
6426 | do_spec_1 (THREAD_MODEL_SPEC, 0, thread_model); | |
6427 | obstack_1grow (&obstack, '\0'); | |
7973fd2a | 6428 | thrmod = XOBFINISH (&obstack, const char *); |
008355a6 AO |
6429 | #else |
6430 | thrmod = thread_model; | |
6431 | #endif | |
6432 | ||
6433 | notice ("Thread model: %s\n", thrmod); | |
a6687d2b | 6434 | |
7ad9ff7a DE |
6435 | /* compiler_version is truncated at the first space when initialized |
6436 | from version string, so truncate version_string at the first space | |
6437 | before comparing. */ | |
6438 | for (n = 0; version_string[n]; n++) | |
6439 | if (version_string[n] == ' ') | |
6440 | break; | |
6441 | ||
6442 | if (! strncmp (version_string, compiler_version, n) | |
6443 | && compiler_version[n] == 0) | |
ab87f8c8 | 6444 | notice ("gcc version %s\n", version_string); |
9c4faac1 | 6445 | else |
ab87f8c8 JL |
6446 | notice ("gcc driver version %s executing gcc version %s\n", |
6447 | version_string, compiler_version); | |
9c4faac1 | 6448 | |
ed1f651b | 6449 | if (n_infiles == 0) |
9257393c | 6450 | return (0); |
ed1f651b RS |
6451 | } |
6452 | ||
a2a05b0a | 6453 | if (n_infiles == added_libraries) |
1f978f5f | 6454 | fatal ("no input files"); |
ed1f651b RS |
6455 | |
6456 | /* Make a place to record the compiler output file names | |
6457 | that correspond to the input files. */ | |
6458 | ||
f271358e | 6459 | i = n_infiles; |
e37cda9b | 6460 | i += lang_specific_extra_outfiles; |
703ad42b | 6461 | outfiles = xcalloc (i, sizeof (char *)); |
ed1f651b RS |
6462 | |
6463 | /* Record which files were specified explicitly as link input. */ | |
6464 | ||
ad85216e | 6465 | explicit_link_files = xcalloc (1, n_infiles); |
ed1f651b | 6466 | |
0855eab7 CT |
6467 | if (combine_flag) |
6468 | combine_inputs = true; | |
6469 | else | |
af41c57d | 6470 | combine_inputs = false; |
0855eab7 CT |
6471 | |
6472 | for (i = 0; (int) i < n_infiles; i++) | |
d1bd0ded | 6473 | { |
0855eab7 | 6474 | const char *name = infiles[i].name; |
7904f95f EC |
6475 | struct compiler *compiler = lookup_compiler (name, |
6476 | strlen (name), | |
0855eab7 | 6477 | infiles[i].language); |
7904f95f | 6478 | |
0855eab7 CT |
6479 | if (compiler && !(compiler->combinable)) |
6480 | combine_inputs = false; | |
7904f95f | 6481 | |
0855eab7 CT |
6482 | if (lang_n_infiles > 0 && compiler != input_file_compiler |
6483 | && infiles[i].language && infiles[i].language[0] != '*') | |
6484 | infiles[i].incompiler = compiler; | |
6485 | else if (compiler) | |
6486 | { | |
6487 | lang_n_infiles++; | |
6488 | input_file_compiler = compiler; | |
6489 | infiles[i].incompiler = compiler; | |
6490 | } | |
6491 | else | |
6492 | { | |
6493 | /* Since there is no compiler for this input file, assume it is a | |
9cf737f8 | 6494 | linker file. */ |
0855eab7 CT |
6495 | explicit_link_files[i] = 1; |
6496 | infiles[i].incompiler = NULL; | |
6497 | } | |
6498 | infiles[i].compiled = false; | |
6499 | infiles[i].preprocessed = false; | |
d1bd0ded | 6500 | } |
af41c57d | 6501 | |
de19a50e | 6502 | if (!combine_inputs && have_c && have_o && lang_n_infiles > 1) |
af41c57d | 6503 | fatal ("cannot specify -o with -c or -S with multiple files"); |
7904f95f | 6504 | |
0855eab7 CT |
6505 | if (combine_flag && save_temps_flag) |
6506 | { | |
6507 | bool save_combine_inputs = combine_inputs; | |
6508 | /* Must do a separate pre-processing pass for C & Objective-C files, to | |
6509 | obtain individual .i files. */ | |
6510 | ||
6511 | combine_inputs = false; | |
6512 | for (i = 0; (int) i < n_infiles; i++) | |
6513 | { | |
6514 | int this_file_error = 0; | |
7904f95f | 6515 | |
0855eab7 CT |
6516 | input_file_number = i; |
6517 | set_input (infiles[i].name); | |
6518 | if (infiles[i].incompiler | |
6519 | && (infiles[i].incompiler)->needs_preprocessing) | |
6520 | input_file_compiler = infiles[i].incompiler; | |
6521 | else | |
6522 | continue; | |
6523 | ||
6524 | if (input_file_compiler) | |
6525 | { | |
6526 | if (input_file_compiler->spec[0] == '#') | |
6527 | { | |
6528 | error ("%s: %s compiler not installed on this system", | |
6529 | input_filename, &input_file_compiler->spec[1]); | |
6530 | this_file_error = 1; | |
6531 | } | |
6532 | else | |
6533 | { | |
6534 | value = do_spec (input_file_compiler->spec); | |
6535 | infiles[i].preprocessed = true; | |
3b5edfee | 6536 | if (!have_o_argbuf_index) |
9e637a26 | 6537 | fatal ("spec '%s' is invalid", input_file_compiler->spec); |
3b5edfee NS |
6538 | infiles[i].name = argbuf[have_o_argbuf_index]; |
6539 | infiles[i].incompiler | |
6540 | = lookup_compiler (infiles[i].name, | |
6541 | strlen (infiles[i].name), | |
6542 | infiles[i].language); | |
0855eab7 CT |
6543 | |
6544 | if (value < 0) | |
b21292d0 | 6545 | this_file_error = 1; |
0855eab7 CT |
6546 | } |
6547 | } | |
6548 | ||
6549 | if (this_file_error) | |
6550 | { | |
6551 | delete_failure_queue (); | |
6552 | error_count++; | |
b21292d0 | 6553 | break; |
0855eab7 CT |
6554 | } |
6555 | clear_failure_queue (); | |
6556 | } | |
6557 | combine_inputs = save_combine_inputs; | |
6558 | } | |
6559 | ||
6560 | for (i = 0; (int) i < n_infiles; i++) | |
ed1f651b | 6561 | { |
ed1f651b RS |
6562 | int this_file_error = 0; |
6563 | ||
6564 | /* Tell do_spec what to substitute for %i. */ | |
6565 | ||
ed1f651b | 6566 | input_file_number = i; |
512b62fb | 6567 | set_input (infiles[i].name); |
ed1f651b | 6568 | |
0855eab7 CT |
6569 | if (infiles[i].compiled) |
6570 | continue; | |
6571 | ||
ed1f651b RS |
6572 | /* Use the same thing in %o, unless cp->spec says otherwise. */ |
6573 | ||
6574 | outfiles[i] = input_filename; | |
6575 | ||
6576 | /* Figure out which compiler from the file's suffix. */ | |
6577 | ||
d1bd0ded GK |
6578 | if (! combine_inputs) |
6579 | input_file_compiler | |
6580 | = lookup_compiler (infiles[i].name, input_filename_length, | |
6581 | infiles[i].language); | |
0855eab7 CT |
6582 | else |
6583 | input_file_compiler = infiles[i].incompiler; | |
589005ff | 6584 | |
a9374841 | 6585 | if (input_file_compiler) |
ed1f651b RS |
6586 | { |
6587 | /* Ok, we found an applicable compiler. Run its spec. */ | |
ed1f651b | 6588 | |
a9374841 | 6589 | if (input_file_compiler->spec[0] == '#') |
d644be7b ZW |
6590 | { |
6591 | error ("%s: %s compiler not installed on this system", | |
6592 | input_filename, &input_file_compiler->spec[1]); | |
6593 | this_file_error = 1; | |
6594 | } | |
6595 | else | |
6596 | { | |
6597 | value = do_spec (input_file_compiler->spec); | |
0855eab7 | 6598 | infiles[i].compiled = true; |
d644be7b | 6599 | if (value < 0) |
b21292d0 | 6600 | this_file_error = 1; |
d644be7b | 6601 | } |
ed1f651b RS |
6602 | } |
6603 | ||
6604 | /* If this file's name does not contain a recognized suffix, | |
6605 | record it as explicit linker input. */ | |
6606 | ||
6607 | else | |
6608 | explicit_link_files[i] = 1; | |
6609 | ||
6610 | /* Clear the delete-on-failure queue, deleting the files in it | |
6611 | if this compilation failed. */ | |
6612 | ||
6613 | if (this_file_error) | |
6614 | { | |
6615 | delete_failure_queue (); | |
6616 | error_count++; | |
6617 | } | |
6618 | /* If this compilation succeeded, don't delete those files later. */ | |
6619 | clear_failure_queue (); | |
6620 | } | |
6621 | ||
817a8255 EC |
6622 | /* Reset the input file name to the first compile/object file name, for use |
6623 | with %b in LINK_SPEC. We use the first input file that we can find | |
7904f95f | 6624 | a compiler to compile it instead of using infiles.language since for |
817a8255 | 6625 | languages other than C we use aliases that we then lookup later. */ |
512b62fb | 6626 | if (n_infiles > 0) |
817a8255 EC |
6627 | { |
6628 | int i; | |
6629 | ||
6630 | for (i = 0; i < n_infiles ; i++) | |
9ef0b1bd | 6631 | if (infiles[i].language && infiles[i].language[0] != '*') |
817a8255 EC |
6632 | { |
6633 | set_input (infiles[i].name); | |
6634 | break; | |
6635 | } | |
6636 | } | |
512b62fb | 6637 | |
15c5edb9 TT |
6638 | if (error_count == 0) |
6639 | { | |
6640 | /* Make sure INPUT_FILE_NUMBER points to first available open | |
6641 | slot. */ | |
6642 | input_file_number = n_infiles; | |
6643 | if (lang_specific_pre_link ()) | |
6644 | error_count++; | |
6645 | } | |
f271358e | 6646 | |
17211ab5 GK |
6647 | /* Determine if there are any linker input files. */ |
6648 | num_linker_inputs = 0; | |
6649 | for (i = 0; (int) i < n_infiles; i++) | |
6650 | if (explicit_link_files[i] || outfiles[i] != NULL) | |
6651 | num_linker_inputs++; | |
6652 | ||
ed1f651b RS |
6653 | /* Run ld to link all the compiler output files. */ |
6654 | ||
17211ab5 | 6655 | if (num_linker_inputs > 0 && error_count == 0) |
ed1f651b RS |
6656 | { |
6657 | int tmp = execution_count; | |
b3865ca9 | 6658 | |
9218435e | 6659 | /* We'll use ld if we can't find collect2. */ |
10da1131 BM |
6660 | if (! strcmp (linker_name_spec, "collect2")) |
6661 | { | |
00dcee0c | 6662 | char *s = find_a_file (&exec_prefixes, "collect2", X_OK, false); |
10da1131 BM |
6663 | if (s == NULL) |
6664 | linker_name_spec = "ld"; | |
6665 | } | |
b3865ca9 RS |
6666 | /* Rebuild the COMPILER_PATH and LIBRARY_PATH environment variables |
6667 | for collect. */ | |
00dcee0c AM |
6668 | putenv_from_prefixes (&exec_prefixes, "COMPILER_PATH", false); |
6669 | putenv_from_prefixes (&startfile_prefixes, LIBRARY_PATH_ENV, true); | |
b3865ca9 | 6670 | |
ed1f651b RS |
6671 | value = do_spec (link_command_spec); |
6672 | if (value < 0) | |
6673 | error_count = 1; | |
6674 | linker_was_run = (tmp != execution_count); | |
6675 | } | |
6676 | ||
ed1f651b RS |
6677 | /* If options said don't run linker, |
6678 | complain about input files to be given to the linker. */ | |
6679 | ||
76e5b312 | 6680 | if (! linker_was_run && error_count == 0) |
d25a45d4 | 6681 | for (i = 0; (int) i < n_infiles; i++) |
ed1f651b | 6682 | if (explicit_link_files[i]) |
2e44948d | 6683 | error ("%s: linker input file unused because linking not done", |
ed1f651b RS |
6684 | outfiles[i]); |
6685 | ||
6686 | /* Delete some or all of the temporary files we made. */ | |
6687 | ||
6688 | if (error_count) | |
6689 | delete_failure_queue (); | |
6690 | delete_temp_files (); | |
6691 | ||
b8468bc7 NC |
6692 | if (print_help_list) |
6693 | { | |
5e4adfba | 6694 | printf (("\nFor bug reporting instructions, please see:\n")); |
a976603e | 6695 | printf ("%s\n", bug_report_url); |
b8468bc7 | 6696 | } |
9218435e | 6697 | |
14a774a9 RK |
6698 | return (signal_count != 0 ? 2 |
6699 | : error_count > 0 ? (pass_exit_codes ? greatest_status : 1) | |
6700 | : 0); | |
ed1f651b RS |
6701 | } |
6702 | ||
6703 | /* Find the proper compilation spec for the file name NAME, | |
004fd4d5 | 6704 | whose length is LENGTH. LANGUAGE is the specified language, |
e5e809f4 | 6705 | or 0 if this file is to be passed to the linker. */ |
ed1f651b RS |
6706 | |
6707 | static struct compiler * | |
1d088dee | 6708 | lookup_compiler (const char *name, size_t length, const char *language) |
ed1f651b RS |
6709 | { |
6710 | struct compiler *cp; | |
6711 | ||
3ac63d94 | 6712 | /* If this was specified by the user to be a linker input, indicate that. */ |
e5e809f4 JL |
6713 | if (language != 0 && language[0] == '*') |
6714 | return 0; | |
6715 | ||
6716 | /* Otherwise, look for the language, if one is spec'd. */ | |
ed1f651b RS |
6717 | if (language != 0) |
6718 | { | |
6719 | for (cp = compilers + n_compilers - 1; cp >= compilers; cp--) | |
e5e809f4 JL |
6720 | if (cp->suffix[0] == '@' && !strcmp (cp->suffix + 1, language)) |
6721 | return cp; | |
6722 | ||
ed1f651b | 6723 | error ("language %s not recognized", language); |
e5e809f4 | 6724 | return 0; |
ed1f651b RS |
6725 | } |
6726 | ||
6727 | /* Look for a suffix. */ | |
6728 | for (cp = compilers + n_compilers - 1; cp >= compilers; cp--) | |
6729 | { | |
4cf3301c RS |
6730 | if (/* The suffix `-' matches only the file name `-'. */ |
6731 | (!strcmp (cp->suffix, "-") && !strcmp (name, "-")) | |
e5e809f4 JL |
6732 | || (strlen (cp->suffix) < length |
6733 | /* See if the suffix matches the end of NAME. */ | |
e5e809f4 JL |
6734 | && !strcmp (cp->suffix, |
6735 | name + length - strlen (cp->suffix)) | |
e5e809f4 | 6736 | )) |
589005ff | 6737 | break; |
03bf1c28 | 6738 | } |
e5e809f4 | 6739 | |
03bf1c28 | 6740 | #if defined (OS2) ||defined (HAVE_DOS_BASED_FILE_SYSTEM) |
a1105617 | 6741 | /* Look again, but case-insensitively this time. */ |
03bf1c28 MK |
6742 | if (cp < compilers) |
6743 | for (cp = compilers + n_compilers - 1; cp >= compilers; cp--) | |
6744 | { | |
6745 | if (/* The suffix `-' matches only the file name `-'. */ | |
6746 | (!strcmp (cp->suffix, "-") && !strcmp (name, "-")) | |
6747 | || (strlen (cp->suffix) < length | |
6748 | /* See if the suffix matches the end of NAME. */ | |
6749 | && ((!strcmp (cp->suffix, | |
6750 | name + length - strlen (cp->suffix)) | |
6751 | || !strpbrk (cp->suffix, "ABCDEFGHIJKLMNOPQRSTUVWXYZ")) | |
6752 | && !strcasecmp (cp->suffix, | |
6753 | name + length - strlen (cp->suffix))) | |
6754 | )) | |
6755 | break; | |
6756 | } | |
6757 | #endif | |
6758 | ||
03bf1c28 MK |
6759 | if (cp >= compilers) |
6760 | { | |
ea414c97 ZW |
6761 | if (cp->spec[0] != '@') |
6762 | /* A non-alias entry: return it. */ | |
6763 | return cp; | |
9218435e | 6764 | |
ea414c97 ZW |
6765 | /* An alias entry maps a suffix to a language. |
6766 | Search for the language; pass 0 for NAME and LENGTH | |
6767 | to avoid infinite recursion if language not found. */ | |
6496a589 | 6768 | return lookup_compiler (NULL, 0, cp->spec + 1); |
ed1f651b | 6769 | } |
ed1f651b RS |
6770 | return 0; |
6771 | } | |
6772 | \f | |
ed1f651b | 6773 | static char * |
1d088dee | 6774 | save_string (const char *s, int len) |
ed1f651b | 6775 | { |
b3694847 | 6776 | char *result = xmalloc (len + 1); |
ed1f651b | 6777 | |
da61dec9 | 6778 | memcpy (result, s, len); |
ed1f651b RS |
6779 | result[len] = 0; |
6780 | return result; | |
6781 | } | |
6782 | ||
d991c721 | 6783 | void |
1d088dee | 6784 | pfatal_with_name (const char *name) |
ed1f651b | 6785 | { |
ab87f8c8 JL |
6786 | perror_with_name (name); |
6787 | delete_temp_files (); | |
6788 | exit (1); | |
ed1f651b RS |
6789 | } |
6790 | ||
6791 | static void | |
1d088dee | 6792 | perror_with_name (const char *name) |
ed1f651b | 6793 | { |
ed35cf6e | 6794 | error ("%s: %s", name, xstrerror (errno)); |
ed1f651b RS |
6795 | } |
6796 | ||
f9da5064 | 6797 | /* Output an error message and exit. */ |
ed1f651b RS |
6798 | |
6799 | void | |
b3d1f5b4 | 6800 | fancy_abort (const char *file, int line, const char *func) |
ed1f651b | 6801 | { |
b3d1f5b4 | 6802 | fatal ("internal gcc abort in %s, at %s:%d", func, file, line); |
ed1f651b RS |
6803 | } |
6804 | \f | |
f9da5064 | 6805 | /* Output an error message and exit. */ |
ed1f651b | 6806 | |
9257393c | 6807 | void |
4b794eaf | 6808 | fatal (const char *cmsgid, ...) |
ed1f651b | 6809 | { |
e34d07f2 | 6810 | va_list ap; |
1d088dee | 6811 | |
4b794eaf | 6812 | va_start (ap, cmsgid); |
ed1f651b | 6813 | |
ed1f651b | 6814 | fprintf (stderr, "%s: ", programname); |
4b794eaf | 6815 | vfprintf (stderr, _(cmsgid), ap); |
e34d07f2 | 6816 | va_end (ap); |
ed1f651b RS |
6817 | fprintf (stderr, "\n"); |
6818 | delete_temp_files (); | |
6819 | exit (1); | |
6820 | } | |
6821 | ||
4b794eaf JJ |
6822 | /* The argument is actually c-format, not gcc-internal-format, |
6823 | but because functions with identical names are used through | |
6824 | the rest of the compiler with gcc-internal-format, we just | |
6825 | need to hope all users of these functions use the common | |
6826 | subset between c-format and gcc-internal-format. */ | |
6827 | ||
d991c721 | 6828 | void |
4b794eaf | 6829 | error (const char *gmsgid, ...) |
ed1f651b | 6830 | { |
e34d07f2 | 6831 | va_list ap; |
1d088dee | 6832 | |
4b794eaf | 6833 | va_start (ap, gmsgid); |
ed1f651b | 6834 | fprintf (stderr, "%s: ", programname); |
4b794eaf | 6835 | vfprintf (stderr, _(gmsgid), ap); |
e34d07f2 | 6836 | va_end (ap); |
ed1f651b RS |
6837 | |
6838 | fprintf (stderr, "\n"); | |
6839 | } | |
ab87f8c8 JL |
6840 | |
6841 | static void | |
4b794eaf | 6842 | notice (const char *cmsgid, ...) |
ab87f8c8 | 6843 | { |
e34d07f2 | 6844 | va_list ap; |
1d088dee | 6845 | |
4b794eaf JJ |
6846 | va_start (ap, cmsgid); |
6847 | vfprintf (stderr, _(cmsgid), ap); | |
e34d07f2 | 6848 | va_end (ap); |
ab87f8c8 | 6849 | } |
ed1f651b | 6850 | \f |
4977bab6 | 6851 | static inline void |
1d088dee | 6852 | validate_switches_from_spec (const char *spec) |
4977bab6 ZW |
6853 | { |
6854 | const char *p = spec; | |
6855 | char c; | |
6856 | while ((c = *p++)) | |
6857 | if (c == '%' && (*p == '{' || *p == '<' || (*p == 'W' && *++p == '{'))) | |
6858 | /* We have a switch spec. */ | |
6859 | p = validate_switches (p + 1); | |
6860 | } | |
6861 | ||
ed1f651b | 6862 | static void |
1d088dee | 6863 | validate_all_switches (void) |
ed1f651b RS |
6864 | { |
6865 | struct compiler *comp; | |
b3865ca9 | 6866 | struct spec_list *spec; |
ed1f651b | 6867 | |
ea414c97 | 6868 | for (comp = compilers; comp->spec; comp++) |
4977bab6 | 6869 | validate_switches_from_spec (comp->spec); |
ed1f651b | 6870 | |
3ac63d94 | 6871 | /* Look through the linked list of specs read from the specs file. */ |
d25a45d4 | 6872 | for (spec = specs; spec; spec = spec->next) |
4977bab6 | 6873 | validate_switches_from_spec (*spec->ptr_spec); |
b3865ca9 | 6874 | |
4977bab6 | 6875 | validate_switches_from_spec (link_command_spec); |
ed1f651b RS |
6876 | } |
6877 | ||
6878 | /* Look at the switch-name that comes after START | |
6879 | and mark as valid all supplied switches that match it. */ | |
6880 | ||
4977bab6 | 6881 | static const char * |
1d088dee | 6882 | validate_switches (const char *start) |
ed1f651b | 6883 | { |
b3694847 | 6884 | const char *p = start; |
4977bab6 ZW |
6885 | const char *atom; |
6886 | size_t len; | |
b3694847 | 6887 | int i; |
4977bab6 ZW |
6888 | bool suffix = false; |
6889 | bool starred = false; | |
1d088dee | 6890 | |
4977bab6 | 6891 | #define SKIP_WHITE() do { while (*p == ' ' || *p == '\t') p++; } while (0) |
1d088dee | 6892 | |
10ebf5fe | 6893 | next_member: |
4977bab6 ZW |
6894 | SKIP_WHITE (); |
6895 | ||
ed1f651b | 6896 | if (*p == '!') |
4977bab6 | 6897 | p++; |
ed1f651b | 6898 | |
4977bab6 | 6899 | SKIP_WHITE (); |
ed1f651b | 6900 | if (*p == '.') |
4977bab6 | 6901 | suffix = true, p++; |
ed1f651b | 6902 | |
4977bab6 ZW |
6903 | atom = p; |
6904 | while (ISIDNUM (*p) || *p == '-' || *p == '+' || *p == '=' | |
7a975113 | 6905 | || *p == ',' || *p == '.' || *p == '@') |
d25a45d4 | 6906 | p++; |
4977bab6 | 6907 | len = p - atom; |
ed1f651b | 6908 | |
4977bab6 ZW |
6909 | if (*p == '*') |
6910 | starred = true, p++; | |
6911 | ||
6912 | SKIP_WHITE (); | |
6913 | ||
6914 | if (!suffix) | |
ed1f651b RS |
6915 | { |
6916 | /* Mark all matching switches as valid. */ | |
ed1f651b | 6917 | for (i = 0; i < n_switches; i++) |
4977bab6 ZW |
6918 | if (!strncmp (switches[i].part1, atom, len) |
6919 | && (starred || switches[i].part1[len] == 0)) | |
ab87f8c8 | 6920 | switches[i].validated = 1; |
ed1f651b | 6921 | } |
4977bab6 | 6922 | |
5a0ba8c9 LJR |
6923 | if (*p) p++; |
6924 | if (*p && (p[-1] == '|' || p[-1] == '&')) | |
4977bab6 ZW |
6925 | goto next_member; |
6926 | ||
5a0ba8c9 | 6927 | if (*p && p[-1] == ':') |
ed1f651b | 6928 | { |
4977bab6 | 6929 | while (*p && *p != ';' && *p != '}') |
ed1f651b | 6930 | { |
4977bab6 ZW |
6931 | if (*p == '%') |
6932 | { | |
6933 | p++; | |
6934 | if (*p == '{' || *p == '<') | |
6935 | p = validate_switches (p+1); | |
6936 | else if (p[0] == 'W' && p[1] == '{') | |
6937 | p = validate_switches (p+2); | |
6938 | } | |
e17aafd1 GK |
6939 | else |
6940 | p++; | |
ed1f651b | 6941 | } |
4977bab6 | 6942 | |
5a0ba8c9 LJR |
6943 | if (*p) p++; |
6944 | if (*p && p[-1] == ';') | |
4977bab6 | 6945 | goto next_member; |
ed1f651b | 6946 | } |
10ebf5fe | 6947 | |
4977bab6 ZW |
6948 | return p; |
6949 | #undef SKIP_WHITE | |
ed1f651b | 6950 | } |
60103a34 | 6951 | \f |
5bbcd587 JJ |
6952 | struct mdswitchstr |
6953 | { | |
6954 | const char *str; | |
6955 | int len; | |
6956 | }; | |
6957 | ||
6958 | static struct mdswitchstr *mdswitches; | |
6959 | static int n_mdswitches; | |
6960 | ||
961b7009 | 6961 | /* Check whether a particular argument was used. The first time we |
956d6950 | 6962 | canonicalize the switches to keep only the ones we care about. */ |
60103a34 DE |
6963 | |
6964 | static int | |
1d088dee | 6965 | used_arg (const char *p, int len) |
60103a34 | 6966 | { |
3ac63d94 NC |
6967 | struct mswitchstr |
6968 | { | |
3b304f5b ZW |
6969 | const char *str; |
6970 | const char *replace; | |
961b7009 MM |
6971 | int len; |
6972 | int rep_len; | |
6973 | }; | |
6974 | ||
6975 | static struct mswitchstr *mswitches; | |
6976 | static int n_mswitches; | |
6977 | int i, j; | |
6978 | ||
6979 | if (!mswitches) | |
6980 | { | |
6981 | struct mswitchstr *matches; | |
3b304f5b | 6982 | const char *q; |
c8c2dcdc | 6983 | int cnt = 0; |
961b7009 | 6984 | |
d25a45d4 KH |
6985 | /* Break multilib_matches into the component strings of string |
6986 | and replacement string. */ | |
1a0bdd29 RK |
6987 | for (q = multilib_matches; *q != '\0'; q++) |
6988 | if (*q == ';') | |
961b7009 MM |
6989 | cnt++; |
6990 | ||
703ad42b | 6991 | matches = alloca ((sizeof (struct mswitchstr)) * cnt); |
961b7009 MM |
6992 | i = 0; |
6993 | q = multilib_matches; | |
6994 | while (*q != '\0') | |
6995 | { | |
6996 | matches[i].str = q; | |
6997 | while (*q != ' ') | |
6998 | { | |
6999 | if (*q == '\0') | |
3b5edfee NS |
7000 | { |
7001 | invalid_matches: | |
9e637a26 | 7002 | fatal ("multilib spec '%s' is invalid", multilib_matches); |
3b5edfee | 7003 | } |
961b7009 MM |
7004 | q++; |
7005 | } | |
961b7009 | 7006 | matches[i].len = q - matches[i].str; |
60103a34 | 7007 | |
961b7009 MM |
7008 | matches[i].replace = ++q; |
7009 | while (*q != ';' && *q != '\0') | |
7010 | { | |
7011 | if (*q == ' ') | |
3b5edfee | 7012 | goto invalid_matches; |
961b7009 MM |
7013 | q++; |
7014 | } | |
7015 | matches[i].rep_len = q - matches[i].replace; | |
7016 | i++; | |
83a0c799 ZW |
7017 | if (*q == ';') |
7018 | q++; | |
961b7009 | 7019 | } |
60103a34 | 7020 | |
71591a1d JW |
7021 | /* Now build a list of the replacement string for switches that we care |
7022 | about. Make sure we allocate at least one entry. This prevents | |
7023 | xmalloc from calling fatal, and prevents us from re-executing this | |
7024 | block of code. */ | |
7025 | mswitches | |
703ad42b | 7026 | = xmalloc (sizeof (struct mswitchstr) |
5bbcd587 | 7027 | * (n_mdswitches + (n_switches ? n_switches : 1))); |
961b7009 | 7028 | for (i = 0; i < n_switches; i++) |
f645e2bd RS |
7029 | if (switches[i].live_cond != SWITCH_IGNORE) |
7030 | { | |
7031 | int xlen = strlen (switches[i].part1); | |
7032 | for (j = 0; j < cnt; j++) | |
7033 | if (xlen == matches[j].len | |
7034 | && ! strncmp (switches[i].part1, matches[j].str, xlen)) | |
7035 | { | |
7036 | mswitches[n_mswitches].str = matches[j].replace; | |
7037 | mswitches[n_mswitches].len = matches[j].rep_len; | |
7038 | mswitches[n_mswitches].replace = (char *) 0; | |
7039 | mswitches[n_mswitches].rep_len = 0; | |
7040 | n_mswitches++; | |
7041 | break; | |
7042 | } | |
7043 | } | |
5bbcd587 JJ |
7044 | |
7045 | /* Add MULTILIB_DEFAULTS switches too, as long as they were not present | |
7046 | on the command line nor any options mutually incompatible with | |
7047 | them. */ | |
7048 | for (i = 0; i < n_mdswitches; i++) | |
7049 | { | |
7050 | const char *r; | |
7051 | ||
7052 | for (q = multilib_options; *q != '\0'; q++) | |
7053 | { | |
7054 | while (*q == ' ') | |
7055 | q++; | |
7056 | ||
7057 | r = q; | |
7058 | while (strncmp (q, mdswitches[i].str, mdswitches[i].len) != 0 | |
7059 | || strchr (" /", q[mdswitches[i].len]) == NULL) | |
7060 | { | |
7061 | while (*q != ' ' && *q != '/' && *q != '\0') | |
7062 | q++; | |
7063 | if (*q != '/') | |
7064 | break; | |
7065 | q++; | |
7066 | } | |
7067 | ||
7068 | if (*q != ' ' && *q != '\0') | |
7069 | { | |
7070 | while (*r != ' ' && *r != '\0') | |
7071 | { | |
7072 | q = r; | |
7073 | while (*q != ' ' && *q != '/' && *q != '\0') | |
7074 | q++; | |
7075 | ||
7076 | if (used_arg (r, q - r)) | |
7077 | break; | |
7078 | ||
7079 | if (*q != '/') | |
7080 | { | |
7081 | mswitches[n_mswitches].str = mdswitches[i].str; | |
7082 | mswitches[n_mswitches].len = mdswitches[i].len; | |
7083 | mswitches[n_mswitches].replace = (char *) 0; | |
7084 | mswitches[n_mswitches].rep_len = 0; | |
7085 | n_mswitches++; | |
7086 | break; | |
7087 | } | |
7088 | ||
7089 | r = q + 1; | |
7090 | } | |
7091 | break; | |
7092 | } | |
7093 | } | |
7094 | } | |
961b7009 | 7095 | } |
03c42484 | 7096 | |
961b7009 MM |
7097 | for (i = 0; i < n_mswitches; i++) |
7098 | if (len == mswitches[i].len && ! strncmp (p, mswitches[i].str, len)) | |
7099 | return 1; | |
03c42484 | 7100 | |
961b7009 MM |
7101 | return 0; |
7102 | } | |
03c42484 RK |
7103 | |
7104 | static int | |
1d088dee | 7105 | default_arg (const char *p, int len) |
03c42484 | 7106 | { |
5bbcd587 | 7107 | int i; |
e29ef920 | 7108 | |
5bbcd587 JJ |
7109 | for (i = 0; i < n_mdswitches; i++) |
7110 | if (len == mdswitches[i].len && ! strncmp (p, mdswitches[i].str, len)) | |
7111 | return 1; | |
03c42484 RK |
7112 | |
7113 | return 0; | |
7114 | } | |
7115 | ||
0a8d6618 BC |
7116 | /* Work out the subdirectory to use based on the options. The format of |
7117 | multilib_select is a list of elements. Each element is a subdirectory | |
7118 | name followed by a list of options followed by a semicolon. The format | |
7119 | of multilib_exclusions is the same, but without the preceding | |
7120 | directory. First gcc will check the exclusions, if none of the options | |
7121 | beginning with an exclamation point are present, and all of the other | |
7122 | options are present, then we will ignore this completely. Passing | |
7123 | that, gcc will consider each multilib_select in turn using the same | |
7124 | rules for matching the options. If a match is found, that subdirectory | |
7125 | will be used. */ | |
60103a34 DE |
7126 | |
7127 | static void | |
1d088dee | 7128 | set_multilib_dir (void) |
60103a34 | 7129 | { |
3b304f5b | 7130 | const char *p; |
3ac63d94 | 7131 | unsigned int this_path_len; |
3b304f5b | 7132 | const char *this_path, *this_arg; |
5bbcd587 | 7133 | const char *start, *end; |
03c42484 | 7134 | int not_arg; |
5bbcd587 JJ |
7135 | int ok, ndfltok, first; |
7136 | ||
7137 | n_mdswitches = 0; | |
7138 | start = multilib_defaults; | |
7139 | while (*start == ' ' || *start == '\t') | |
7140 | start++; | |
7141 | while (*start != '\0') | |
7142 | { | |
7143 | n_mdswitches++; | |
7144 | while (*start != ' ' && *start != '\t' && *start != '\0') | |
7145 | start++; | |
7146 | while (*start == ' ' || *start == '\t') | |
7147 | start++; | |
7148 | } | |
7149 | ||
7150 | if (n_mdswitches) | |
7151 | { | |
7152 | int i = 0; | |
7153 | ||
703ad42b | 7154 | mdswitches = xmalloc (sizeof (struct mdswitchstr) * n_mdswitches); |
5bbcd587 JJ |
7155 | for (start = multilib_defaults; *start != '\0'; start = end + 1) |
7156 | { | |
7157 | while (*start == ' ' || *start == '\t') | |
7158 | start++; | |
7159 | ||
7160 | if (*start == '\0') | |
7161 | break; | |
1d088dee | 7162 | |
5bbcd587 JJ |
7163 | for (end = start + 1; |
7164 | *end != ' ' && *end != '\t' && *end != '\0'; end++) | |
7165 | ; | |
7166 | ||
7167 | obstack_grow (&multilib_obstack, start, end - start); | |
7168 | obstack_1grow (&multilib_obstack, 0); | |
7973fd2a | 7169 | mdswitches[i].str = XOBFINISH (&multilib_obstack, const char *); |
5bbcd587 JJ |
7170 | mdswitches[i++].len = end - start; |
7171 | ||
7172 | if (*end == '\0') | |
7173 | break; | |
7174 | } | |
7175 | } | |
60103a34 | 7176 | |
0a8d6618 BC |
7177 | p = multilib_exclusions; |
7178 | while (*p != '\0') | |
7179 | { | |
7180 | /* Ignore newlines. */ | |
7181 | if (*p == '\n') | |
d25a45d4 KH |
7182 | { |
7183 | ++p; | |
7184 | continue; | |
7185 | } | |
0a8d6618 BC |
7186 | |
7187 | /* Check the arguments. */ | |
7188 | ok = 1; | |
7189 | while (*p != ';') | |
d25a45d4 KH |
7190 | { |
7191 | if (*p == '\0') | |
3b5edfee NS |
7192 | { |
7193 | invalid_exclusions: | |
9e637a26 | 7194 | fatal ("multilib exclusions '%s' is invalid", |
3b5edfee NS |
7195 | multilib_exclusions); |
7196 | } | |
d25a45d4 KH |
7197 | |
7198 | if (! ok) | |
7199 | { | |
7200 | ++p; | |
7201 | continue; | |
7202 | } | |
7203 | ||
7204 | this_arg = p; | |
7205 | while (*p != ' ' && *p != ';') | |
7206 | { | |
7207 | if (*p == '\0') | |
3b5edfee | 7208 | goto invalid_exclusions; |
d25a45d4 KH |
7209 | ++p; |
7210 | } | |
7211 | ||
7212 | if (*this_arg != '!') | |
7213 | not_arg = 0; | |
7214 | else | |
7215 | { | |
7216 | not_arg = 1; | |
7217 | ++this_arg; | |
7218 | } | |
9218435e | 7219 | |
0a8d6618 BC |
7220 | ok = used_arg (this_arg, p - this_arg); |
7221 | if (not_arg) | |
7222 | ok = ! ok; | |
7223 | ||
d25a45d4 KH |
7224 | if (*p == ' ') |
7225 | ++p; | |
7226 | } | |
0a8d6618 BC |
7227 | |
7228 | if (ok) | |
3ac63d94 | 7229 | return; |
0a8d6618 BC |
7230 | |
7231 | ++p; | |
7232 | } | |
7233 | ||
5bbcd587 | 7234 | first = 1; |
0a8d6618 | 7235 | p = multilib_select; |
60103a34 DE |
7236 | while (*p != '\0') |
7237 | { | |
7238 | /* Ignore newlines. */ | |
7239 | if (*p == '\n') | |
7240 | { | |
7241 | ++p; | |
7242 | continue; | |
7243 | } | |
7244 | ||
7245 | /* Get the initial path. */ | |
7246 | this_path = p; | |
7247 | while (*p != ' ') | |
7248 | { | |
7249 | if (*p == '\0') | |
3b5edfee NS |
7250 | { |
7251 | invalid_select: | |
9e637a26 | 7252 | fatal ("multilib select '%s' is invalid", |
3b5edfee NS |
7253 | multilib_select); |
7254 | } | |
60103a34 DE |
7255 | ++p; |
7256 | } | |
7257 | this_path_len = p - this_path; | |
7258 | ||
7259 | /* Check the arguments. */ | |
03c42484 | 7260 | ok = 1; |
5bbcd587 | 7261 | ndfltok = 1; |
60103a34 DE |
7262 | ++p; |
7263 | while (*p != ';') | |
7264 | { | |
7265 | if (*p == '\0') | |
3b5edfee | 7266 | goto invalid_select; |
60103a34 | 7267 | |
03c42484 | 7268 | if (! ok) |
60103a34 DE |
7269 | { |
7270 | ++p; | |
7271 | continue; | |
7272 | } | |
7273 | ||
7274 | this_arg = p; | |
7275 | while (*p != ' ' && *p != ';') | |
7276 | { | |
7277 | if (*p == '\0') | |
3b5edfee | 7278 | goto invalid_select; |
60103a34 DE |
7279 | ++p; |
7280 | } | |
7281 | ||
03c42484 RK |
7282 | if (*this_arg != '!') |
7283 | not_arg = 0; | |
60103a34 | 7284 | else |
03c42484 RK |
7285 | { |
7286 | not_arg = 1; | |
7287 | ++this_arg; | |
7288 | } | |
7289 | ||
7290 | /* If this is a default argument, we can just ignore it. | |
7291 | This is true even if this_arg begins with '!'. Beginning | |
7292 | with '!' does not mean that this argument is necessarily | |
7293 | inappropriate for this library: it merely means that | |
7294 | there is a more specific library which uses this | |
7295 | argument. If this argument is a default, we need not | |
7296 | consider that more specific library. */ | |
5bbcd587 JJ |
7297 | ok = used_arg (this_arg, p - this_arg); |
7298 | if (not_arg) | |
7299 | ok = ! ok; | |
7300 | ||
7301 | if (! ok) | |
7302 | ndfltok = 0; | |
7303 | ||
7304 | if (default_arg (this_arg, p - this_arg)) | |
7305 | ok = 1; | |
60103a34 DE |
7306 | |
7307 | if (*p == ' ') | |
7308 | ++p; | |
7309 | } | |
7310 | ||
5bbcd587 | 7311 | if (ok && first) |
60103a34 DE |
7312 | { |
7313 | if (this_path_len != 1 | |
7314 | || this_path[0] != '.') | |
7315 | { | |
d25a45d4 | 7316 | char *new_multilib_dir = xmalloc (this_path_len + 1); |
5bbcd587 JJ |
7317 | char *q; |
7318 | ||
878f32c3 KG |
7319 | strncpy (new_multilib_dir, this_path, this_path_len); |
7320 | new_multilib_dir[this_path_len] = '\0'; | |
5bbcd587 JJ |
7321 | q = strchr (new_multilib_dir, ':'); |
7322 | if (q != NULL) | |
7323 | *q = '\0'; | |
878f32c3 | 7324 | multilib_dir = new_multilib_dir; |
60103a34 | 7325 | } |
5bbcd587 JJ |
7326 | first = 0; |
7327 | } | |
7328 | ||
7329 | if (ndfltok) | |
7330 | { | |
7331 | const char *q = this_path, *end = this_path + this_path_len; | |
7332 | ||
7333 | while (q < end && *q != ':') | |
7334 | q++; | |
c49d2df6 | 7335 | if (q < end) |
5bbcd587 JJ |
7336 | { |
7337 | char *new_multilib_os_dir = xmalloc (end - q); | |
c49d2df6 JJ |
7338 | memcpy (new_multilib_os_dir, q + 1, end - q - 1); |
7339 | new_multilib_os_dir[end - q - 1] = '\0'; | |
5bbcd587 JJ |
7340 | multilib_os_dir = new_multilib_os_dir; |
7341 | break; | |
7342 | } | |
60103a34 DE |
7343 | } |
7344 | ||
7345 | ++p; | |
9218435e | 7346 | } |
5bbcd587 JJ |
7347 | |
7348 | if (multilib_dir == NULL && multilib_os_dir != NULL | |
7349 | && strcmp (multilib_os_dir, ".") == 0) | |
7350 | { | |
7351 | free ((char *) multilib_os_dir); | |
7352 | multilib_os_dir = NULL; | |
7353 | } | |
7354 | else if (multilib_dir != NULL && multilib_os_dir == NULL) | |
7355 | multilib_os_dir = multilib_dir; | |
60103a34 DE |
7356 | } |
7357 | ||
7358 | /* Print out the multiple library subdirectory selection | |
7359 | information. This prints out a series of lines. Each line looks | |
7360 | like SUBDIRECTORY;@OPTION@OPTION, with as many options as is | |
7361 | required. Only the desired options are printed out, the negative | |
7362 | matches. The options are print without a leading dash. There are | |
7363 | no spaces to make it easy to use the information in the shell. | |
7364 | Each subdirectory is printed only once. This assumes the ordering | |
0a8d6618 BC |
7365 | generated by the genmultilib script. Also, we leave out ones that match |
7366 | the exclusions. */ | |
60103a34 DE |
7367 | |
7368 | static void | |
1d088dee | 7369 | print_multilib_info (void) |
60103a34 | 7370 | { |
3b304f5b ZW |
7371 | const char *p = multilib_select; |
7372 | const char *last_path = 0, *this_path; | |
03c42484 | 7373 | int skip; |
3ac63d94 | 7374 | unsigned int last_path_len = 0; |
60103a34 DE |
7375 | |
7376 | while (*p != '\0') | |
7377 | { | |
0a8d6618 | 7378 | skip = 0; |
60103a34 DE |
7379 | /* Ignore newlines. */ |
7380 | if (*p == '\n') | |
7381 | { | |
7382 | ++p; | |
7383 | continue; | |
7384 | } | |
7385 | ||
7386 | /* Get the initial path. */ | |
7387 | this_path = p; | |
7388 | while (*p != ' ') | |
7389 | { | |
7390 | if (*p == '\0') | |
3b5edfee NS |
7391 | { |
7392 | invalid_select: | |
9e637a26 | 7393 | fatal ("multilib select '%s' is invalid", multilib_select); |
3b5edfee | 7394 | } |
7904f95f | 7395 | |
60103a34 DE |
7396 | ++p; |
7397 | } | |
7398 | ||
c49d2df6 JJ |
7399 | /* When --disable-multilib was used but target defines |
7400 | MULTILIB_OSDIRNAMES, entries starting with .: are there just | |
7401 | to find multilib_os_dir, so skip them from output. */ | |
7402 | if (this_path[0] == '.' && this_path[1] == ':') | |
7403 | skip = 1; | |
7404 | ||
0a8d6618 BC |
7405 | /* Check for matches with the multilib_exclusions. We don't bother |
7406 | with the '!' in either list. If any of the exclusion rules match | |
7407 | all of its options with the select rule, we skip it. */ | |
d25a45d4 KH |
7408 | { |
7409 | const char *e = multilib_exclusions; | |
7410 | const char *this_arg; | |
0a8d6618 | 7411 | |
d25a45d4 KH |
7412 | while (*e != '\0') |
7413 | { | |
7414 | int m = 1; | |
7415 | /* Ignore newlines. */ | |
7416 | if (*e == '\n') | |
7417 | { | |
7418 | ++e; | |
7419 | continue; | |
7420 | } | |
0a8d6618 | 7421 | |
d25a45d4 KH |
7422 | /* Check the arguments. */ |
7423 | while (*e != ';') | |
7424 | { | |
7425 | const char *q; | |
7426 | int mp = 0; | |
0a8d6618 | 7427 | |
d25a45d4 | 7428 | if (*e == '\0') |
3b5edfee NS |
7429 | { |
7430 | invalid_exclusion: | |
9e637a26 | 7431 | fatal ("multilib exclusion '%s' is invalid", |
3b5edfee NS |
7432 | multilib_exclusions); |
7433 | } | |
9218435e | 7434 | |
d25a45d4 KH |
7435 | if (! m) |
7436 | { | |
7437 | ++e; | |
7438 | continue; | |
7439 | } | |
0a8d6618 | 7440 | |
d25a45d4 | 7441 | this_arg = e; |
9218435e | 7442 | |
d25a45d4 KH |
7443 | while (*e != ' ' && *e != ';') |
7444 | { | |
7445 | if (*e == '\0') | |
3b5edfee | 7446 | goto invalid_exclusion; |
d25a45d4 KH |
7447 | ++e; |
7448 | } | |
0a8d6618 | 7449 | |
d25a45d4 KH |
7450 | q = p + 1; |
7451 | while (*q != ';') | |
7452 | { | |
7453 | const char *arg; | |
7454 | int len = e - this_arg; | |
0a8d6618 | 7455 | |
d25a45d4 | 7456 | if (*q == '\0') |
3b5edfee | 7457 | goto invalid_select; |
0a8d6618 | 7458 | |
d25a45d4 KH |
7459 | arg = q; |
7460 | ||
7461 | while (*q != ' ' && *q != ';') | |
7462 | { | |
7463 | if (*q == '\0') | |
3b5edfee | 7464 | goto invalid_select; |
0a8d6618 | 7465 | ++q; |
d25a45d4 | 7466 | } |
0a8d6618 | 7467 | |
3b5edfee NS |
7468 | if (! strncmp (arg, this_arg, |
7469 | (len < q - arg) ? q - arg : len) | |
7470 | || default_arg (this_arg, e - this_arg)) | |
d25a45d4 KH |
7471 | { |
7472 | mp = 1; | |
7473 | break; | |
7474 | } | |
0a8d6618 | 7475 | |
d25a45d4 KH |
7476 | if (*q == ' ') |
7477 | ++q; | |
7478 | } | |
9218435e | 7479 | |
d25a45d4 KH |
7480 | if (! mp) |
7481 | m = 0; | |
0a8d6618 | 7482 | |
d25a45d4 KH |
7483 | if (*e == ' ') |
7484 | ++e; | |
7485 | } | |
7486 | ||
7487 | if (m) | |
7488 | { | |
7489 | skip = 1; | |
7490 | break; | |
7491 | } | |
7492 | ||
7493 | if (*e != '\0') | |
7494 | ++e; | |
7495 | } | |
7496 | } | |
0a8d6618 BC |
7497 | |
7498 | if (! skip) | |
d25a45d4 KH |
7499 | { |
7500 | /* If this is a duplicate, skip it. */ | |
3b5edfee NS |
7501 | skip = (last_path != 0 |
7502 | && (unsigned int) (p - this_path) == last_path_len | |
d25a45d4 | 7503 | && ! strncmp (last_path, this_path, last_path_len)); |
60103a34 | 7504 | |
d25a45d4 KH |
7505 | last_path = this_path; |
7506 | last_path_len = p - this_path; | |
0a8d6618 | 7507 | } |
60103a34 | 7508 | |
03c42484 RK |
7509 | /* If this directory requires any default arguments, we can skip |
7510 | it. We will already have printed a directory identical to | |
7511 | this one which does not require that default argument. */ | |
7512 | if (! skip) | |
7513 | { | |
3b304f5b | 7514 | const char *q; |
03c42484 RK |
7515 | |
7516 | q = p + 1; | |
7517 | while (*q != ';') | |
7518 | { | |
3b304f5b | 7519 | const char *arg; |
03c42484 RK |
7520 | |
7521 | if (*q == '\0') | |
3b5edfee | 7522 | goto invalid_select; |
03c42484 RK |
7523 | |
7524 | if (*q == '!') | |
7525 | arg = NULL; | |
7526 | else | |
7527 | arg = q; | |
7528 | ||
7529 | while (*q != ' ' && *q != ';') | |
7530 | { | |
7531 | if (*q == '\0') | |
3b5edfee | 7532 | goto invalid_select; |
03c42484 RK |
7533 | ++q; |
7534 | } | |
7535 | ||
7536 | if (arg != NULL | |
7537 | && default_arg (arg, q - arg)) | |
7538 | { | |
7539 | skip = 1; | |
7540 | break; | |
7541 | } | |
7542 | ||
7543 | if (*q == ' ') | |
7544 | ++q; | |
7545 | } | |
7546 | } | |
7547 | ||
60103a34 DE |
7548 | if (! skip) |
7549 | { | |
3b304f5b | 7550 | const char *p1; |
60103a34 | 7551 | |
5bbcd587 | 7552 | for (p1 = last_path; p1 < p && *p1 != ':'; p1++) |
60103a34 DE |
7553 | putchar (*p1); |
7554 | putchar (';'); | |
7555 | } | |
7556 | ||
7557 | ++p; | |
7558 | while (*p != ';') | |
7559 | { | |
7560 | int use_arg; | |
7561 | ||
7562 | if (*p == '\0') | |
3b5edfee | 7563 | goto invalid_select; |
60103a34 DE |
7564 | |
7565 | if (skip) | |
7566 | { | |
7567 | ++p; | |
7568 | continue; | |
7569 | } | |
7570 | ||
7571 | use_arg = *p != '!'; | |
7572 | ||
7573 | if (use_arg) | |
7574 | putchar ('@'); | |
7575 | ||
7576 | while (*p != ' ' && *p != ';') | |
7577 | { | |
7578 | if (*p == '\0') | |
3b5edfee | 7579 | goto invalid_select; |
60103a34 DE |
7580 | if (use_arg) |
7581 | putchar (*p); | |
7582 | ++p; | |
7583 | } | |
7584 | ||
7585 | if (*p == ' ') | |
7586 | ++p; | |
7587 | } | |
7588 | ||
7589 | if (! skip) | |
961b7009 | 7590 | { |
3ac63d94 | 7591 | /* If there are extra options, print them now. */ |
961b7009 MM |
7592 | if (multilib_extra && *multilib_extra) |
7593 | { | |
7594 | int print_at = TRUE; | |
3b304f5b | 7595 | const char *q; |
961b7009 MM |
7596 | |
7597 | for (q = multilib_extra; *q != '\0'; q++) | |
7598 | { | |
7599 | if (*q == ' ') | |
7600 | print_at = TRUE; | |
7601 | else | |
7602 | { | |
7603 | if (print_at) | |
7604 | putchar ('@'); | |
7605 | putchar (*q); | |
7606 | print_at = FALSE; | |
7607 | } | |
7608 | } | |
7609 | } | |
9218435e | 7610 | |
961b7009 MM |
7611 | putchar ('\n'); |
7612 | } | |
60103a34 DE |
7613 | |
7614 | ++p; | |
7615 | } | |
7616 | } | |
f3226a90 JT |
7617 | \f |
7618 | /* if-exists built-in spec function. | |
7619 | ||
7620 | Checks to see if the file specified by the absolute pathname in | |
7621 | ARGS exists. Returns that pathname if found. | |
7622 | ||
7623 | The usual use for this function is to check for a library file | |
7624 | (whose name has been expanded with %s). */ | |
7625 | ||
7626 | static const char * | |
1d088dee | 7627 | if_exists_spec_function (int argc, const char **argv) |
f3226a90 JT |
7628 | { |
7629 | /* Must have only one argument. */ | |
3dce1408 | 7630 | if (argc == 1 && IS_ABSOLUTE_PATH (argv[0]) && ! access (argv[0], R_OK)) |
f3226a90 JT |
7631 | return argv[0]; |
7632 | ||
7633 | return NULL; | |
7634 | } | |
152a5a9c JT |
7635 | |
7636 | /* if-exists-else built-in spec function. | |
7637 | ||
7638 | This is like if-exists, but takes an additional argument which | |
7639 | is returned if the first argument does not exist. */ | |
7640 | ||
7641 | static const char * | |
1d088dee | 7642 | if_exists_else_spec_function (int argc, const char **argv) |
152a5a9c JT |
7643 | { |
7644 | /* Must have exactly two arguments. */ | |
7645 | if (argc != 2) | |
7646 | return NULL; | |
7647 | ||
3dce1408 | 7648 | if (IS_ABSOLUTE_PATH (argv[0]) && ! access (argv[0], R_OK)) |
152a5a9c JT |
7649 | return argv[0]; |
7650 | ||
7651 | return argv[1]; | |
7652 | } | |
3dd53121 AP |
7653 | |
7654 | /* replace-outfile built-in spec function. | |
ed5b9f96 GK |
7655 | |
7656 | This looks for the first argument in the outfiles array's name and | |
7657 | replaces it with the second argument. */ | |
3dd53121 AP |
7658 | |
7659 | static const char * | |
7660 | replace_outfile_spec_function (int argc, const char **argv) | |
7661 | { | |
7662 | int i; | |
7663 | /* Must have exactly two arguments. */ | |
7664 | if (argc != 2) | |
7665 | abort (); | |
7904f95f | 7666 | |
3dd53121 AP |
7667 | for (i = 0; i < n_infiles; i++) |
7668 | { | |
7669 | if (outfiles[i] && !strcmp (outfiles[i], argv[0])) | |
7670 | outfiles[i] = xstrdup (argv[1]); | |
7671 | } | |
7672 | return NULL; | |
7673 | } | |
7674 | ||
7904f95f | 7675 | /* Given two version numbers, compares the two numbers. |
ed5b9f96 GK |
7676 | A version number must match the regular expression |
7677 | ([1-9][0-9]*|0)(\.([1-9][0-9]*|0))* | |
7678 | */ | |
7679 | static int | |
7680 | compare_version_strings (const char *v1, const char *v2) | |
7681 | { | |
7682 | int rresult; | |
7683 | regex_t r; | |
7904f95f | 7684 | |
ed5b9f96 GK |
7685 | if (regcomp (&r, "^([1-9][0-9]*|0)(\\.([1-9][0-9]*|0))*$", |
7686 | REG_EXTENDED | REG_NOSUB) != 0) | |
7687 | abort (); | |
7688 | rresult = regexec (&r, v1, 0, NULL, 0); | |
7689 | if (rresult == REG_NOMATCH) | |
7690 | fatal ("invalid version number `%s'", v1); | |
7691 | else if (rresult != 0) | |
7692 | abort (); | |
7693 | rresult = regexec (&r, v2, 0, NULL, 0); | |
7694 | if (rresult == REG_NOMATCH) | |
7695 | fatal ("invalid version number `%s'", v2); | |
7696 | else if (rresult != 0) | |
7697 | abort (); | |
7698 | ||
7699 | return strverscmp (v1, v2); | |
7700 | } | |
7701 | ||
7702 | ||
7703 | /* version_compare built-in spec function. | |
7704 | ||
7705 | This takes an argument of the following form: | |
7706 | ||
7707 | <comparison-op> <arg1> [<arg2>] <switch> <result> | |
7708 | ||
7709 | and produces "result" if the comparison evaluates to true, | |
7710 | and nothing if it doesn't. | |
7711 | ||
7712 | The supported <comparison-op> values are: | |
7904f95f | 7713 | |
ed5b9f96 GK |
7714 | >= true if switch is a later (or same) version than arg1 |
7715 | !> opposite of >= | |
7716 | < true if switch is an earlier version than arg1 | |
7717 | !< opposite of < | |
7718 | >< true if switch is arg1 or later, and earlier than arg2 | |
7719 | <> true if switch is earlier than arg1 or is arg2 or later | |
7720 | ||
7721 | If the switch is not present, the condition is false unless | |
7722 | the first character of the <comparison-op> is '!'. | |
7723 | ||
7724 | For example, | |
7725 | %:version-compare(>= 10.3 mmacosx-version-min= -lmx) | |
7726 | adds -lmx if -mmacosx-version-min=10.3.9 was passed. */ | |
7727 | ||
7728 | static const char * | |
7729 | version_compare_spec_function (int argc, const char **argv) | |
7730 | { | |
7731 | int comp1, comp2; | |
7732 | size_t switch_len; | |
7733 | const char *switch_value = NULL; | |
7734 | int nargs = 1, i; | |
7735 | bool result; | |
7736 | ||
7737 | if (argc < 3) | |
56309261 | 7738 | fatal ("too few arguments to %%:version-compare"); |
ed5b9f96 GK |
7739 | if (argv[0][0] == '\0') |
7740 | abort (); | |
7741 | if ((argv[0][1] == '<' || argv[0][1] == '>') && argv[0][0] != '!') | |
7742 | nargs = 2; | |
7743 | if (argc != nargs + 3) | |
56309261 | 7744 | fatal ("too many arguments to %%:version-compare"); |
ed5b9f96 GK |
7745 | |
7746 | switch_len = strlen (argv[nargs + 1]); | |
7747 | for (i = 0; i < n_switches; i++) | |
7748 | if (!strncmp (switches[i].part1, argv[nargs + 1], switch_len) | |
7749 | && check_live_switch (i, switch_len)) | |
7750 | switch_value = switches[i].part1 + switch_len; | |
7751 | ||
7752 | if (switch_value == NULL) | |
7753 | comp1 = comp2 = -1; | |
7754 | else | |
7755 | { | |
7756 | comp1 = compare_version_strings (switch_value, argv[1]); | |
7757 | if (nargs == 2) | |
7758 | comp2 = compare_version_strings (switch_value, argv[2]); | |
7759 | else | |
7760 | comp2 = -1; /* This value unused. */ | |
7761 | } | |
7762 | ||
7763 | switch (argv[0][0] << 8 | argv[0][1]) | |
7764 | { | |
7765 | case '>' << 8 | '=': | |
7766 | result = comp1 >= 0; | |
7767 | break; | |
7768 | case '!' << 8 | '<': | |
7769 | result = comp1 >= 0 || switch_value == NULL; | |
7770 | break; | |
7771 | case '<' << 8: | |
7772 | result = comp1 < 0; | |
7773 | break; | |
7774 | case '!' << 8 | '>': | |
7775 | result = comp1 < 0 || switch_value == NULL; | |
7776 | break; | |
7777 | case '>' << 8 | '<': | |
7778 | result = comp1 >= 0 && comp2 < 0; | |
7779 | break; | |
7780 | case '<' << 8 | '>': | |
7781 | result = comp1 < 0 || comp2 >= 0; | |
7782 | break; | |
7904f95f | 7783 | |
ed5b9f96 | 7784 | default: |
3817707e | 7785 | fatal ("unknown operator '%s' in %%:version-compare", argv[0]); |
ed5b9f96 GK |
7786 | } |
7787 | if (! result) | |
7788 | return NULL; | |
7789 | ||
7790 | return argv[nargs + 2]; | |
7791 | } |