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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, |
d9221e01 | 3 | 1999, 2000, 2001, 2002, 2003, 2004 Free Software Foundation, Inc. |
ed1f651b | 4 | |
1322177d | 5 | This file is part of GCC. |
ed1f651b | 6 | |
1322177d LB |
7 | GCC is free software; you can redistribute it and/or modify it under |
8 | the terms of the GNU General Public License as published by the Free | |
9 | Software Foundation; either version 2, or (at your option) any later | |
10 | version. | |
ed1f651b | 11 | |
1322177d LB |
12 | GCC is distributed in the hope that it will be useful, but WITHOUT ANY |
13 | WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
14 | FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
15 | for more details. | |
ed1f651b RS |
16 | |
17 | You should have received a copy of the GNU General Public License | |
1322177d LB |
18 | along with GCC; see the file COPYING. If not, write to the Free |
19 | Software Foundation, 59 Temple Place - Suite 330, Boston, MA | |
20 | 02111-1307, USA. | |
ed1f651b RS |
21 | |
22 | This paragraph is here to try to keep Sun CC from dying. | |
23 | The number of chars here seems crucial!!!! */ | |
24 | ||
25 | /* This program is the user interface to the C compiler and possibly to | |
26 | other compilers. It is used because compilation is a complicated procedure | |
27 | which involves running several programs and passing temporary files between | |
28 | them, forwarding the users switches to those programs selectively, | |
29 | and deleting the temporary files at the end. | |
30 | ||
31 | CC recognizes how to compile each input file by suffixes in the file names. | |
32 | Once it knows which kind of compilation to perform, the procedure for | |
33 | compilation is specified by a string called a "spec". */ | |
c5c76735 | 34 | |
d991c721 BK |
35 | /* A Short Introduction to Adding a Command-Line Option. |
36 | ||
37 | Before adding a command-line option, consider if it is really | |
38 | necessary. Each additional command-line option adds complexity and | |
39 | is difficult to remove in subsequent versions. | |
40 | ||
41 | In the following, consider adding the command-line argument | |
42 | `--bar'. | |
43 | ||
44 | 1. Each command-line option is specified in the specs file. The | |
45 | notation is described below in the comment entitled "The Specs | |
46 | Language". Read it. | |
47 | ||
48 | 2. In this file, add an entry to "option_map" equating the long | |
49 | `--' argument version and any shorter, single letter version. Read | |
50 | the comments in the declaration of "struct option_map" for an | |
51 | explanation. Do not omit the first `-'. | |
52 | ||
53 | 3. Look in the "specs" file to determine which program or option | |
54 | list should be given the argument, e.g., "cc1_options". Add the | |
55 | appropriate syntax for the shorter option version to the | |
56 | corresponding "const char *" entry in this file. Omit the first | |
57 | `-' from the option. For example, use `-bar', rather than `--bar'. | |
58 | ||
59 | 4. If the argument takes an argument, e.g., `--baz argument1', | |
60 | modify either DEFAULT_SWITCH_TAKES_ARG or | |
61 | DEFAULT_WORD_SWITCH_TAKES_ARG in this file. Omit the first `-' | |
62 | from `--baz'. | |
63 | ||
64 | 5. Document the option in this file's display_help(). If the | |
65 | option is passed to a subprogram, modify its corresponding | |
66 | function, e.g., cppinit.c:print_help() or toplev.c:display_help(), | |
67 | instead. | |
68 | ||
69 | 6. Compile and test. Make sure that your new specs file is being | |
70 | read. For example, use a debugger to investigate the value of | |
71 | "specs_file" in main(). */ | |
72 | ||
e9a25f70 | 73 | #include "config.h" |
670ee920 | 74 | #include "system.h" |
4977bab6 | 75 | #include "coretypes.h" |
1713a69f | 76 | #include "multilib.h" /* before tm.h */ |
4977bab6 | 77 | #include "tm.h" |
670ee920 | 78 | #include <signal.h> |
798bdf70 BK |
79 | #if ! defined( SIGCHLD ) && defined( SIGCLD ) |
80 | # define SIGCHLD SIGCLD | |
81 | #endif | |
17248a6b | 82 | #include "obstack.h" |
ab87f8c8 | 83 | #include "intl.h" |
460ee112 | 84 | #include "prefix.h" |
9257393c | 85 | #include "gcc.h" |
8a63621f | 86 | #include "flags.h" |
c10d53dd | 87 | |
03c41c05 ZW |
88 | #ifdef HAVE_SYS_RESOURCE_H |
89 | #include <sys/resource.h> | |
90 | #endif | |
f31e826b | 91 | #if defined (HAVE_DECL_GETRUSAGE) && !HAVE_DECL_GETRUSAGE |
1d088dee | 92 | extern int getrusage (int, struct rusage *); |
03c41c05 ZW |
93 | #endif |
94 | ||
45936a85 DD |
95 | /* By default there is no special suffix for target executables. */ |
96 | /* FIXME: when autoconf is fixed, remove the host check - dj */ | |
97 | #if defined(TARGET_EXECUTABLE_SUFFIX) && defined(HOST_EXECUTABLE_SUFFIX) | |
98 | #define HAVE_TARGET_EXECUTABLE_SUFFIX | |
ed1f651b | 99 | #endif |
f6ec7e54 | 100 | |
45936a85 DD |
101 | /* By default there is no special suffix for host executables. */ |
102 | #ifdef HOST_EXECUTABLE_SUFFIX | |
103 | #define HAVE_HOST_EXECUTABLE_SUFFIX | |
f70165f6 | 104 | #else |
45936a85 DD |
105 | #define HOST_EXECUTABLE_SUFFIX "" |
106 | #endif | |
107 | ||
108 | /* By default, the suffix for target object files is ".o". */ | |
109 | #ifdef TARGET_OBJECT_SUFFIX | |
110 | #define HAVE_TARGET_OBJECT_SUFFIX | |
111 | #else | |
112 | #define TARGET_OBJECT_SUFFIX ".o" | |
ed7dae04 RK |
113 | #endif |
114 | ||
8b60264b | 115 | static const char dir_separator_str[] = { DIR_SEPARATOR, 0 }; |
48ff801b | 116 | |
512b62fb JM |
117 | /* Most every one is fine with LIBRARY_PATH. For some, it conflicts. */ |
118 | #ifndef LIBRARY_PATH_ENV | |
119 | #define LIBRARY_PATH_ENV "LIBRARY_PATH" | |
120 | #endif | |
121 | ||
956d6950 JL |
122 | #ifndef HAVE_KILL |
123 | #define kill(p,s) raise(s) | |
124 | #endif | |
125 | ||
ed1f651b RS |
126 | /* If a stage of compilation returns an exit status >= 1, |
127 | compilation of that file ceases. */ | |
128 | ||
129 | #define MIN_FATAL_STATUS 1 | |
130 | ||
69927b59 NB |
131 | /* Flag set by cppspec.c to 1. */ |
132 | int is_cpp_driver; | |
133 | ||
14a774a9 RK |
134 | /* Flag saying to pass the greatest exit code returned by a sub-process |
135 | to the calling program. */ | |
136 | static int pass_exit_codes; | |
137 | ||
f5fa9a5b PE |
138 | /* Definition of string containing the arguments given to configure. */ |
139 | #include "configargs.h" | |
140 | ||
2628b9d3 DE |
141 | /* Flag saying to print the directories gcc will search through looking for |
142 | programs, libraries, etc. */ | |
143 | ||
144 | static int print_search_dirs; | |
145 | ||
6a9e290e | 146 | /* Flag saying to print the full filename of this file |
2dcb563f RS |
147 | as found through our usual search mechanism. */ |
148 | ||
878f32c3 | 149 | static const char *print_file_name = NULL; |
6a9e290e | 150 | |
0f41302f | 151 | /* As print_file_name, but search for executable file. */ |
6a9e290e | 152 | |
878f32c3 | 153 | static const char *print_prog_name = NULL; |
2dcb563f | 154 | |
60103a34 DE |
155 | /* Flag saying to print the relative path we'd use to |
156 | find libgcc.a given the current compiler flags. */ | |
157 | ||
158 | static int print_multi_directory; | |
159 | ||
5bbcd587 JJ |
160 | /* Flag saying to print the relative path we'd use to |
161 | find OS libraries given the current compiler flags. */ | |
162 | ||
163 | static int print_multi_os_directory; | |
164 | ||
60103a34 DE |
165 | /* Flag saying to print the list of subdirectories and |
166 | compiler flags used to select them in a standard form. */ | |
167 | ||
168 | static int print_multi_lib; | |
169 | ||
b8468bc7 NC |
170 | /* Flag saying to print the command line options understood by gcc and its |
171 | sub-processes. */ | |
172 | ||
173 | static int print_help_list; | |
174 | ||
ed1f651b RS |
175 | /* Flag indicating whether we should print the command and arguments */ |
176 | ||
177 | static int verbose_flag; | |
178 | ||
99f78cdd IR |
179 | /* Flag indicating whether we should ONLY print the command and |
180 | arguments (like verbose_flag) without executing the command. | |
181 | Displayed arguments are quoted so that the generated command | |
182 | line is suitable for execution. This is intended for use in | |
183 | shell scripts to capture the driver-generated command line. */ | |
184 | static int verbose_only_flag; | |
185 | ||
dc297297 | 186 | /* Flag indicating to print target specific command line options. */ |
91606ce2 CC |
187 | |
188 | static int target_help_flag; | |
189 | ||
03c41c05 ZW |
190 | /* Flag indicating whether we should report subprocess execution times |
191 | (if this is supported by the system - see pexecute.c). */ | |
192 | ||
193 | static int report_times; | |
194 | ||
4977bab6 ZW |
195 | /* Nonzero means place this string before uses of /, so that include |
196 | and library files can be found in an alternate location. */ | |
197 | ||
db720d9a | 198 | #ifdef TARGET_SYSTEM_ROOT |
4977bab6 | 199 | static const char *target_system_root = TARGET_SYSTEM_ROOT; |
db720d9a DJ |
200 | #else |
201 | static const char *target_system_root = 0; | |
202 | #endif | |
4977bab6 | 203 | |
047d636f DJ |
204 | /* Nonzero means pass the updated target_system_root to the compiler. */ |
205 | ||
206 | static int target_system_root_changed; | |
207 | ||
e7f13528 GP |
208 | /* Nonzero means append this string to target_system_root. */ |
209 | ||
210 | static const char *target_sysroot_suffix = 0; | |
211 | ||
212 | /* Nonzero means append this string to target_system_root for headers. */ | |
213 | ||
214 | static const char *target_sysroot_hdrs_suffix = 0; | |
215 | ||
ed1f651b RS |
216 | /* Nonzero means write "temp" files in source directory |
217 | and use the source file's name in them, and don't delete them. */ | |
218 | ||
219 | static int save_temps_flag; | |
220 | ||
0855eab7 CT |
221 | /* Nonzero means pass multiple source files to the compiler at one time. */ |
222 | ||
223 | static int combine_flag = 0; | |
224 | ||
4977bab6 ZW |
225 | /* Nonzero means use pipes to communicate between subprocesses. |
226 | Overridden by either of the above two flags. */ | |
227 | ||
228 | static int use_pipes; | |
229 | ||
53117a2f | 230 | /* The compiler version. */ |
ed1f651b | 231 | |
3b304f5b | 232 | static const char *compiler_version; |
53117a2f RK |
233 | |
234 | /* The target version specified with -V */ | |
235 | ||
37a4aa31 | 236 | static const char *const spec_version = DEFAULT_TARGET_VERSION; |
ed1f651b RS |
237 | |
238 | /* The target machine specified with -b. */ | |
239 | ||
878f32c3 | 240 | static const char *spec_machine = DEFAULT_TARGET_MACHINE; |
ed1f651b | 241 | |
004fd4d5 RS |
242 | /* Nonzero if cross-compiling. |
243 | When -b is used, the value comes from the `specs' file. */ | |
244 | ||
245 | #ifdef CROSS_COMPILE | |
3b304f5b | 246 | static const char *cross_compile = "1"; |
004fd4d5 | 247 | #else |
3b304f5b | 248 | static const char *cross_compile = "0"; |
004fd4d5 RS |
249 | #endif |
250 | ||
dc36ec2c RK |
251 | #ifdef MODIFY_TARGET_NAME |
252 | ||
253 | /* Information on how to alter the target name based on a command-line | |
254 | switch. The only case we support now is simply appending or deleting a | |
255 | string to or from the end of the first part of the configuration name. */ | |
256 | ||
0b5826ac | 257 | static const struct modify_target |
dc36ec2c | 258 | { |
8b60264b KG |
259 | const char *const sw; |
260 | const enum add_del {ADD, DELETE} add_del; | |
261 | const char *const str; | |
dc36ec2c RK |
262 | } |
263 | modify_target[] = MODIFY_TARGET_NAME; | |
264 | #endif | |
589005ff | 265 | |
48fb792a | 266 | /* The number of errors that have occurred; the link phase will not be |
cc2902df | 267 | run if this is nonzero. */ |
48fb792a BK |
268 | static int error_count = 0; |
269 | ||
14a774a9 RK |
270 | /* Greatest exit code of sub-processes that has been encountered up to |
271 | now. */ | |
272 | static int greatest_status = 1; | |
273 | ||
ed1f651b RS |
274 | /* This is the obstack which we use to allocate many strings. */ |
275 | ||
276 | static struct obstack obstack; | |
277 | ||
b3865ca9 | 278 | /* This is the obstack to build an environment variable to pass to |
6dc42e49 | 279 | collect2 that describes all of the relevant switches of what to |
b3865ca9 RS |
280 | pass the compiler in building the list of pointers to constructors |
281 | and destructors. */ | |
282 | ||
283 | static struct obstack collect_obstack; | |
284 | ||
03c41c05 ZW |
285 | /* These structs are used to collect resource usage information for |
286 | subprocesses. */ | |
287 | #ifdef HAVE_GETRUSAGE | |
288 | static struct rusage rus, prus; | |
289 | #endif | |
290 | ||
99360286 DE |
291 | /* Forward declaration for prototypes. */ |
292 | struct path_prefix; | |
293 | ||
1d088dee AJ |
294 | static void init_spec (void); |
295 | static void store_arg (const char *, int, int); | |
296 | static char *load_specs (const char *); | |
297 | static void read_specs (const char *, int); | |
298 | static void set_spec (const char *, const char *); | |
299 | static struct compiler *lookup_compiler (const char *, size_t, const char *); | |
300 | static char *build_search_list (struct path_prefix *, const char *, int); | |
301 | static void putenv_from_prefixes (struct path_prefix *, const char *); | |
302 | static int access_check (const char *, int); | |
303 | static char *find_a_file (struct path_prefix *, const char *, int, int); | |
304 | static void add_prefix (struct path_prefix *, const char *, const char *, | |
305 | int, int, int *, int); | |
306 | static void add_sysrooted_prefix (struct path_prefix *, const char *, | |
307 | const char *, int, int, int *, int); | |
308 | static void translate_options (int *, const char *const **); | |
309 | static char *skip_whitespace (char *); | |
310 | static void delete_if_ordinary (const char *); | |
311 | static void delete_temp_files (void); | |
312 | static void delete_failure_queue (void); | |
313 | static void clear_failure_queue (void); | |
314 | static int check_live_switch (int, int); | |
315 | static const char *handle_braces (const char *); | |
316 | static inline bool input_suffix_matches (const char *, const char *); | |
317 | static inline bool switch_matches (const char *, const char *, int); | |
318 | static inline void mark_matching_switches (const char *, const char *, int); | |
319 | static inline void process_marked_switches (void); | |
320 | static const char *process_brace_body (const char *, const char *, const char *, int, int); | |
321 | static const struct spec_function *lookup_spec_function (const char *); | |
322 | static const char *eval_spec_function (const char *, const char *); | |
323 | static const char *handle_spec_function (const char *); | |
324 | static char *save_string (const char *, int); | |
325 | static void set_collect_gcc_options (void); | |
326 | static int do_spec_1 (const char *, int, const char *); | |
327 | static int do_spec_2 (const char *); | |
328 | static void do_option_spec (const char *, const char *); | |
329 | static void do_self_spec (const char *); | |
330 | static const char *find_file (const char *); | |
331 | static int is_directory (const char *, const char *, int); | |
332 | static const char *validate_switches (const char *); | |
333 | static void validate_all_switches (void); | |
334 | static inline void validate_switches_from_spec (const char *); | |
335 | static void give_switch (int, int); | |
336 | static int used_arg (const char *, int); | |
337 | static int default_arg (const char *, int); | |
338 | static void set_multilib_dir (void); | |
339 | static void print_multilib_info (void); | |
340 | static void perror_with_name (const char *); | |
341 | static void pfatal_pexecute (const char *, const char *) ATTRIBUTE_NORETURN; | |
342 | static void notice (const char *, ...) ATTRIBUTE_PRINTF_1; | |
343 | static void display_help (void); | |
344 | static void add_preprocessor_option (const char *, int); | |
345 | static void add_assembler_option (const char *, int); | |
346 | static void add_linker_option (const char *, int); | |
e451301f | 347 | static void process_command (int, const char **); |
1d088dee AJ |
348 | static int execute (void); |
349 | static void alloc_args (void); | |
350 | static void clear_args (void); | |
351 | static void fatal_error (int); | |
328163dc | 352 | #if defined(ENABLE_SHARED_LIBGCC) && !defined(REAL_LIBGCC_SPEC) |
1d088dee AJ |
353 | static void init_gcc_specs (struct obstack *, const char *, const char *, |
354 | const char *); | |
6894579f | 355 | #endif |
40cdfca6 | 356 | #if defined(HAVE_TARGET_OBJECT_SUFFIX) || defined(HAVE_TARGET_EXECUTABLE_SUFFIX) |
1d088dee | 357 | static const char *convert_filename (const char *, int, int); |
40cdfca6 | 358 | #endif |
f3226a90 | 359 | |
1d088dee AJ |
360 | static const char *if_exists_spec_function (int, const char **); |
361 | static const char *if_exists_else_spec_function (int, const char **); | |
ed1f651b | 362 | \f |
d991c721 BK |
363 | /* The Specs Language |
364 | ||
365 | Specs are strings containing lines, each of which (if not blank) | |
ed1f651b RS |
366 | is made up of a program name, and arguments separated by spaces. |
367 | The program name must be exact and start from root, since no path | |
368 | is searched and it is unreliable to depend on the current working directory. | |
369 | Redirection of input or output is not supported; the subprograms must | |
370 | accept filenames saying what files to read and write. | |
371 | ||
372 | In addition, the specs can contain %-sequences to substitute variable text | |
373 | or for conditional text. Here is a table of all defined %-sequences. | |
374 | Note that spaces are not generated automatically around the results of | |
375 | expanding these sequences; therefore, you can concatenate them together | |
376 | or with constant text in a single argument. | |
377 | ||
378 | %% substitute one % into the program name or argument. | |
379 | %i substitute the name of the input file being processed. | |
380 | %b substitute the basename of the input file being processed. | |
381 | This is the substring up to (and not including) the last period | |
382 | and not including the directory. | |
ea414c97 | 383 | %B same as %b, but include the file suffix (text after the last period). |
dd75c292 CB |
384 | %gSUFFIX |
385 | substitute a file name that has suffix SUFFIX and is chosen | |
386 | once per compilation, and mark the argument a la %d. To reduce | |
387 | exposure to denial-of-service attacks, the file name is now | |
388 | chosen in a way that is hard to predict even when previously | |
389 | chosen file names are known. For example, `%g.s ... %g.o ... %g.s' | |
390 | might turn into `ccUVUUAU.s ccXYAXZ12.o ccUVUUAU.s'. SUFFIX matches | |
a1d9074c TT |
391 | the regexp "[.A-Za-z]*%O"; "%O" is treated exactly as if it |
392 | had been pre-processed. Previously, %g was simply substituted | |
393 | with a file name chosen once per compilation, without regard | |
394 | to any appended suffix (which was therefore treated just like | |
395 | ordinary text), making such attacks more likely to succeed. | |
4977bab6 ZW |
396 | %|SUFFIX |
397 | like %g, but if -pipe is in effect, expands simply to "-". | |
398 | %mSUFFIX | |
399 | like %g, but if -pipe is in effect, expands to nothing. (We have both | |
400 | %| and %m to accommodate differences between system assemblers; see | |
401 | the AS_NEEDS_DASH_FOR_PIPED_INPUT target macro.) | |
dd75c292 CB |
402 | %uSUFFIX |
403 | like %g, but generates a new temporary file name even if %uSUFFIX | |
404 | was already seen. | |
405 | %USUFFIX | |
406 | substitutes the last file name generated with %uSUFFIX, generating a | |
407 | new one if there is no such last file name. In the absence of any | |
408 | %uSUFFIX, this is just like %gSUFFIX, except they don't share | |
409 | the same suffix "space", so `%g.s ... %U.s ... %g.s ... %U.s' | |
410 | would involve the generation of two distinct file names, one | |
411 | for each `%g.s' and another for each `%U.s'. Previously, %U was | |
412 | simply substituted with a file name chosen for the previous %u, | |
413 | without regard to any appended suffix. | |
49009afd JL |
414 | %jSUFFIX |
415 | substitutes the name of the HOST_BIT_BUCKET, if any, and if it is | |
416 | writable, and if save-temps is off; otherwise, substitute the name | |
417 | of a temporary file, just like %u. This temporary file is not | |
418 | meant for communication between processes, but rather as a junk | |
419 | disposal mechanism. | |
11972f66 NS |
420 | %.SUFFIX |
421 | substitutes .SUFFIX for the suffixes of a matched switch's args when | |
422 | it is subsequently output with %*. SUFFIX is terminated by the next | |
423 | space or %. | |
ed1f651b RS |
424 | %d marks the argument containing or following the %d as a |
425 | temporary file name, so that that file will be deleted if CC exits | |
426 | successfully. Unlike %g, this contributes no text to the argument. | |
427 | %w marks the argument containing or following the %w as the | |
428 | "output file" of this compilation. This puts the argument | |
429 | into the sequence of arguments that %o will substitute later. | |
17211ab5 | 430 | %V indicates that this compilation produces no "output file". |
ed1f651b RS |
431 | %W{...} |
432 | like %{...} but mark last argument supplied within | |
433 | as a file to be deleted on failure. | |
434 | %o substitutes the names of all the output files, with spaces | |
435 | automatically placed around them. You should write spaces | |
436 | around the %o as well or the results are undefined. | |
437 | %o is for use in the specs for running the linker. | |
438 | Input files whose names have no recognized suffix are not compiled | |
439 | at all, but they are included among the output files, so they will | |
440 | be linked. | |
dd75c292 | 441 | %O substitutes the suffix for object files. Note that this is |
a1d9074c TT |
442 | handled specially when it immediately follows %g, %u, or %U |
443 | (with or without a suffix argument) because of the need for | |
444 | those to form complete file names. The handling is such that | |
445 | %O is treated exactly as if it had already been substituted, | |
446 | except that %g, %u, and %U do not currently support additional | |
447 | SUFFIX characters following %O as they would following, for | |
448 | example, `.o'. | |
047d636f DJ |
449 | %I Substitute any of -iprefix (made from GCC_EXEC_PREFIX), -isysroot |
450 | (made from TARGET_SYSTEM_ROOT), and -isystem (made from COMPILER_PATH | |
451 | and -B options) as necessary. | |
ed1f651b RS |
452 | %s current argument is the name of a library or startup file of some sort. |
453 | Search for that file in a standard list of directories | |
454 | and substitute the full name found. | |
455 | %eSTR Print STR as an error message. STR is terminated by a newline. | |
456 | Use this when inconsistent options are detected. | |
09da1532 | 457 | %nSTR Print STR as a notice. STR is terminated by a newline. |
ed1f651b RS |
458 | %x{OPTION} Accumulate an option for %X. |
459 | %X Output the accumulated linker options specified by compilations. | |
c9ebacb8 | 460 | %Y Output the accumulated assembler options specified by compilations. |
57cb9b60 | 461 | %Z Output the accumulated preprocessor options specified by compilations. |
ed1f651b RS |
462 | %a process ASM_SPEC as a spec. |
463 | This allows config.h to specify part of the spec for running as. | |
464 | %A process ASM_FINAL_SPEC as a spec. A capital A is actually | |
465 | used here. This can be used to run a post-processor after the | |
9ec36da5 | 466 | assembler has done its job. |
48ff801b | 467 | %D Dump out a -L option for each directory in startfile_prefixes. |
60103a34 | 468 | If multilib_dir is set, extra entries are generated with it affixed. |
ed1f651b RS |
469 | %l process LINK_SPEC as a spec. |
470 | %L process LIB_SPEC as a spec. | |
68d69835 | 471 | %G process LIBGCC_SPEC as a spec. |
9db0819e RH |
472 | %M output multilib_dir with directory separators replaced with "_"; |
473 | if multilib_dir is not set or is ".", output "". | |
ed1f651b RS |
474 | %S process STARTFILE_SPEC as a spec. A capital S is actually used here. |
475 | %E process ENDFILE_SPEC as a spec. A capital E is actually used here. | |
9db0819e | 476 | %C process CPP_SPEC as a spec. |
ed1f651b RS |
477 | %1 process CC1_SPEC as a spec. |
478 | %2 process CC1PLUS_SPEC as a spec. | |
479 | %* substitute the variable part of a matched option. (See below.) | |
480 | Note that each comma in the substituted string is replaced by | |
481 | a single space. | |
4977bab6 ZW |
482 | %<S remove all occurrences of -S from the command line. |
483 | Note - this command is position dependent. % commands in the | |
484 | spec string before this one will see -S, % commands in the | |
485 | spec string after this one will not. | |
486 | %<S* remove all occurrences of all switches beginning with -S from the | |
487 | command line. | |
f3226a90 JT |
488 | %:function(args) |
489 | Call the named function FUNCTION, passing it ARGS. ARGS is | |
490 | first processed as a nested spec string, then split into an | |
491 | argument vector in the usual fashion. The function returns | |
492 | a string which is processed as if it had appeared literally | |
493 | as part of the current spec. | |
ed1f651b RS |
494 | %{S} substitutes the -S switch, if that switch was given to CC. |
495 | If that switch was not specified, this substitutes nothing. | |
496 | Here S is a metasyntactic variable. | |
497 | %{S*} substitutes all the switches specified to CC whose names start | |
196a37f4 | 498 | with -S. This is used for -o, -I, etc; switches that take |
ed1f651b RS |
499 | arguments. CC considers `-o foo' as being one switch whose |
500 | name starts with `o'. %{o*} would substitute this text, | |
501 | including the space; thus, two arguments would be generated. | |
196a37f4 | 502 | %{S*&T*} likewise, but preserve order of S and T options (the order |
1d088dee AJ |
503 | of S and T in the spec is not significant). Can be any number |
504 | of ampersand-separated variables; for each the wild card is | |
505 | optional. Useful for CPP as %{D*&U*&A*}. | |
4977bab6 ZW |
506 | |
507 | %{S:X} substitutes X, if the -S switch was given to CC. | |
508 | %{!S:X} substitutes X, if the -S switch was NOT given to CC. | |
509 | %{S*:X} substitutes X if one or more switches whose names start | |
510 | with -S was given to CC. Normally X is substituted only | |
511 | once, no matter how many such switches appeared. However, | |
512 | if %* appears somewhere in X, then X will be substituted | |
513 | once for each matching switch, with the %* replaced by the | |
514 | part of that switch that matched the '*'. | |
515 | %{.S:X} substitutes X, if processing a file with suffix S. | |
516 | %{!.S:X} substitutes X, if NOT processing a file with suffix S. | |
517 | ||
518 | %{S|T:X} substitutes X if either -S or -T was given to CC. This may be | |
519 | combined with !, ., and * as above binding stronger than the OR. | |
520 | If %* appears in X, all of the alternatives must be starred, and | |
521 | only the first matching alternative is substituted. | |
522 | %{S:X; if S was given to CC, substitutes X; | |
523 | T:Y; else if T was given to CC, substitutes Y; | |
524 | :D} else substitutes D. There can be as many clauses as you need. | |
525 | This may be combined with ., !, |, and * as above. | |
526 | ||
b3865ca9 | 527 | %(Spec) processes a specification defined in a specs file as *Spec: |
4089dfab | 528 | %[Spec] as above, but put __ around -D arguments |
ed1f651b | 529 | |
4977bab6 | 530 | The conditional text X in a %{S:X} or similar construct may contain |
ed1f651b | 531 | other nested % constructs or spaces, or even newlines. They are |
4977bab6 ZW |
532 | processed as usual, as described above. Trailing white space in X is |
533 | ignored. White space may also appear anywhere on the left side of the | |
534 | colon in these constructs, except between . or * and the corresponding | |
535 | word. | |
ed1f651b | 536 | |
6c396fb5 | 537 | The -O, -f, -m, and -W switches are handled specifically in these |
f5b0eb4e RK |
538 | constructs. If another value of -O or the negated form of a -f, -m, or |
539 | -W switch is found later in the command line, the earlier switch | |
6c396fb5 RK |
540 | value is ignored, except with {S*} where S is just one letter; this |
541 | passes all matching options. | |
f5b0eb4e | 542 | |
9bf09437 RH |
543 | The character | at the beginning of the predicate text is used to indicate |
544 | that a command should be piped to the following command, but only if -pipe | |
545 | is specified. | |
ed1f651b RS |
546 | |
547 | Note that it is built into CC which switches take arguments and which | |
548 | do not. You might think it would be useful to generalize this to | |
549 | allow each compiler's spec to say which switches take arguments. But | |
550 | this cannot be done in a consistent fashion. CC cannot even decide | |
551 | which input files have been specified without knowing which switches | |
552 | take arguments, and it must know which input files to compile in order | |
553 | to tell which compilers to run. | |
554 | ||
555 | CC also knows implicitly that arguments starting in `-l' are to be | |
556 | treated as compiler output files, and passed to the linker in their | |
557 | proper position among the other output files. */ | |
558 | \f | |
0fef3fd0 | 559 | /* Define the macros used for specs %a, %l, %L, %S, %C, %1. */ |
ed1f651b RS |
560 | |
561 | /* config.h can define ASM_SPEC to provide extra args to the assembler | |
562 | or extra switch-translations. */ | |
563 | #ifndef ASM_SPEC | |
564 | #define ASM_SPEC "" | |
565 | #endif | |
566 | ||
567 | /* config.h can define ASM_FINAL_SPEC to run a post processor after | |
568 | the assembler has run. */ | |
569 | #ifndef ASM_FINAL_SPEC | |
570 | #define ASM_FINAL_SPEC "" | |
571 | #endif | |
572 | ||
573 | /* config.h can define CPP_SPEC to provide extra args to the C preprocessor | |
574 | or extra switch-translations. */ | |
575 | #ifndef CPP_SPEC | |
576 | #define CPP_SPEC "" | |
577 | #endif | |
578 | ||
579 | /* config.h can define CC1_SPEC to provide extra args to cc1 and cc1plus | |
580 | or extra switch-translations. */ | |
581 | #ifndef CC1_SPEC | |
582 | #define CC1_SPEC "" | |
583 | #endif | |
584 | ||
585 | /* config.h can define CC1PLUS_SPEC to provide extra args to cc1plus | |
586 | or extra switch-translations. */ | |
587 | #ifndef CC1PLUS_SPEC | |
588 | #define CC1PLUS_SPEC "" | |
589 | #endif | |
590 | ||
591 | /* config.h can define LINK_SPEC to provide extra args to the linker | |
592 | or extra switch-translations. */ | |
593 | #ifndef LINK_SPEC | |
594 | #define LINK_SPEC "" | |
595 | #endif | |
596 | ||
597 | /* config.h can define LIB_SPEC to override the default libraries. */ | |
598 | #ifndef LIB_SPEC | |
68d69835 JM |
599 | #define LIB_SPEC "%{!shared:%{g*:-lg} %{!p:%{!pg:-lc}}%{p:-lc_p}%{pg:-lc_p}}" |
600 | #endif | |
601 | ||
602 | /* config.h can define LIBGCC_SPEC to override how and when libgcc.a is | |
603 | included. */ | |
604 | #ifndef LIBGCC_SPEC | |
328163dc MA |
605 | #if defined(REAL_LIBGCC_SPEC) |
606 | #define LIBGCC_SPEC REAL_LIBGCC_SPEC | |
607 | #elif defined(LINK_LIBGCC_SPECIAL) || defined(LINK_LIBGCC_SPECIAL_1) | |
68d69835 | 608 | /* Have gcc do the search for libgcc.a. */ |
ba2b7435 | 609 | #define LIBGCC_SPEC "libgcc.a%s" |
68d69835 | 610 | #else |
ba2b7435 | 611 | #define LIBGCC_SPEC "-lgcc" |
68d69835 | 612 | #endif |
ed1f651b RS |
613 | #endif |
614 | ||
615 | /* config.h can define STARTFILE_SPEC to override the default crt0 files. */ | |
616 | #ifndef STARTFILE_SPEC | |
617 | #define STARTFILE_SPEC \ | |
adcb8d7d | 618 | "%{!shared:%{pg:gcrt0%O%s}%{!pg:%{p:mcrt0%O%s}%{!p:crt0%O%s}}}" |
ed1f651b RS |
619 | #endif |
620 | ||
bb9da768 RK |
621 | /* config.h can define SWITCHES_NEED_SPACES to control which options |
622 | require spaces between the option and the argument. */ | |
ed1f651b RS |
623 | #ifndef SWITCHES_NEED_SPACES |
624 | #define SWITCHES_NEED_SPACES "" | |
625 | #endif | |
626 | ||
627 | /* config.h can define ENDFILE_SPEC to override the default crtn files. */ | |
628 | #ifndef ENDFILE_SPEC | |
629 | #define ENDFILE_SPEC "" | |
630 | #endif | |
631 | ||
10da1131 BM |
632 | #ifndef LINKER_NAME |
633 | #define LINKER_NAME "collect2" | |
634 | #endif | |
635 | ||
5f0e9ea2 GK |
636 | /* Define ASM_DEBUG_SPEC to be a spec suitable for translating '-g' |
637 | to the assembler. */ | |
638 | #ifndef ASM_DEBUG_SPEC | |
b2ace8a4 JJ |
639 | # if defined(DBX_DEBUGGING_INFO) && defined(DWARF2_DEBUGGING_INFO) \ |
640 | && defined(HAVE_AS_GDWARF2_DEBUG_FLAG) && defined(HAVE_AS_GSTABS_DEBUG_FLAG) | |
641 | # define ASM_DEBUG_SPEC \ | |
8a63621f JJ |
642 | (PREFERRED_DEBUGGING_TYPE == DBX_DEBUG \ |
643 | ? "%{gdwarf-2*:--gdwarf2}%{!gdwarf-2*:%{g*:--gstabs}}" \ | |
644 | : "%{gstabs*:--gstabs}%{!gstabs*:%{g*:--gdwarf2}}") | |
b2ace8a4 JJ |
645 | # else |
646 | # if defined(DBX_DEBUGGING_INFO) && defined(HAVE_AS_GSTABS_DEBUG_FLAG) | |
647 | # define ASM_DEBUG_SPEC "%{g*:--gstabs}" | |
648 | # endif | |
649 | # if defined(DWARF2_DEBUGGING_INFO) && defined(HAVE_AS_GDWARF2_DEBUG_FLAG) | |
650 | # define ASM_DEBUG_SPEC "%{g*:--gdwarf2}" | |
5f0e9ea2 | 651 | # endif |
5f0e9ea2 GK |
652 | # endif |
653 | #endif | |
8a63621f JJ |
654 | #ifndef ASM_DEBUG_SPEC |
655 | # define ASM_DEBUG_SPEC "" | |
656 | #endif | |
5f0e9ea2 | 657 | |
ea414c97 ZW |
658 | /* Here is the spec for running the linker, after compiling all files. */ |
659 | ||
bbd7687d DM |
660 | /* This is overridable by the target in case they need to specify the |
661 | -lgcc and -lc order specially, yet not require them to override all | |
662 | of LINK_COMMAND_SPEC. */ | |
663 | #ifndef LINK_GCC_C_SEQUENCE_SPEC | |
664 | #define LINK_GCC_C_SEQUENCE_SPEC "%G %L %G" | |
665 | #endif | |
666 | ||
24a4dd31 JJ |
667 | #ifndef LINK_PIE_SPEC |
668 | #ifdef HAVE_LD_PIE | |
669 | #define LINK_PIE_SPEC "%{pie:-pie} " | |
670 | #else | |
671 | #define LINK_PIE_SPEC "%{pie:} " | |
672 | #endif | |
673 | #endif | |
674 | ||
ea414c97 ZW |
675 | /* -u* was put back because both BSD and SysV seem to support it. */ |
676 | /* %{static:} simply prevents an error message if the target machine | |
677 | doesn't handle -static. */ | |
678 | /* We want %{T*} after %{L*} and %D so that it can be used to specify linker | |
679 | scripts which exist in user specified directories, or in standard | |
680 | directories. */ | |
681 | #ifndef LINK_COMMAND_SPEC | |
682 | #define LINK_COMMAND_SPEC "\ | |
683 | %{!fsyntax-only:%{!c:%{!M:%{!MM:%{!E:%{!S:\ | |
24a4dd31 JJ |
684 | %(linker) %l " LINK_PIE_SPEC "%X %{o*} %{A} %{d} %{e*} %{m} %{N} %{n} %{r}\ |
685 | %{s} %{t} %{u*} %{x} %{z} %{Z} %{!A:%{!nostdlib:%{!nostartfiles:%S}}}\ | |
a8a5f53a | 686 | %{static:} %{L*} %(link_libgcc) %o %{fprofile-arcs|fprofile-generate:-lgcov}\ |
23af32e6 | 687 | %{!nostdlib:%{!nodefaultlibs:%(link_gcc_c_sequence)}}\ |
ea414c97 ZW |
688 | %{!A:%{!nostdlib:%{!nostartfiles:%E}}} %{T*} }}}}}}" |
689 | #endif | |
690 | ||
691 | #ifndef LINK_LIBGCC_SPEC | |
692 | # ifdef LINK_LIBGCC_SPECIAL | |
693 | /* Don't generate -L options for startfile prefix list. */ | |
694 | # define LINK_LIBGCC_SPEC "" | |
695 | # else | |
696 | /* Do generate them. */ | |
697 | # define LINK_LIBGCC_SPEC "%D" | |
698 | # endif | |
699 | #endif | |
700 | ||
343f59d9 AM |
701 | #ifndef STARTFILE_PREFIX_SPEC |
702 | # define STARTFILE_PREFIX_SPEC "" | |
703 | #endif | |
704 | ||
e7f13528 GP |
705 | #ifndef SYSROOT_SUFFIX_SPEC |
706 | # define SYSROOT_SUFFIX_SPEC "" | |
707 | #endif | |
708 | ||
709 | #ifndef SYSROOT_HEADERS_SUFFIX_SPEC | |
710 | # define SYSROOT_HEADERS_SUFFIX_SPEC "" | |
711 | #endif | |
712 | ||
81bca2f5 | 713 | static const char *asm_debug; |
3b304f5b | 714 | static const char *cpp_spec = CPP_SPEC; |
3b304f5b ZW |
715 | static const char *cc1_spec = CC1_SPEC; |
716 | static const char *cc1plus_spec = CC1PLUS_SPEC; | |
bbd7687d | 717 | static const char *link_gcc_c_sequence_spec = LINK_GCC_C_SEQUENCE_SPEC; |
3b304f5b ZW |
718 | static const char *asm_spec = ASM_SPEC; |
719 | static const char *asm_final_spec = ASM_FINAL_SPEC; | |
720 | static const char *link_spec = LINK_SPEC; | |
721 | static const char *lib_spec = LIB_SPEC; | |
722 | static const char *libgcc_spec = LIBGCC_SPEC; | |
723 | static const char *endfile_spec = ENDFILE_SPEC; | |
724 | static const char *startfile_spec = STARTFILE_SPEC; | |
725 | static const char *switches_need_spaces = SWITCHES_NEED_SPACES; | |
726 | static const char *linker_name_spec = LINKER_NAME; | |
ea414c97 ZW |
727 | static const char *link_command_spec = LINK_COMMAND_SPEC; |
728 | static const char *link_libgcc_spec = LINK_LIBGCC_SPEC; | |
343f59d9 | 729 | static const char *startfile_prefix_spec = STARTFILE_PREFIX_SPEC; |
e7f13528 GP |
730 | static const char *sysroot_suffix_spec = SYSROOT_SUFFIX_SPEC; |
731 | static const char *sysroot_hdrs_suffix_spec = SYSROOT_HEADERS_SUFFIX_SPEC; | |
ea414c97 ZW |
732 | |
733 | /* Standard options to cpp, cc1, and as, to reduce duplication in specs. | |
734 | There should be no need to override these in target dependent files, | |
735 | but we need to copy them to the specs file so that newer versions | |
736 | of the GCC driver can correctly drive older tool chains with the | |
737 | appropriate -B options. */ | |
738 | ||
e5f5feea NB |
739 | /* When cpplib handles traditional preprocessing, get rid of this, and |
740 | call cc1 (or cc1obj in objc/lang-specs.h) from the main specs so | |
741 | that we default the front end language better. */ | |
ea414c97 | 742 | static const char *trad_capable_cpp = |
017acb41 | 743 | "cc1 -E %{traditional|ftraditional|traditional-cpp:-traditional-cpp}"; |
ea414c97 | 744 | |
4ca1256f NB |
745 | /* We don't wrap .d files in %W{} since a missing .d file, and |
746 | therefore no dependency entry, confuses make into thinking a .o | |
747 | file that happens to exist is up-to-date. */ | |
ffdeea47 | 748 | static const char *cpp_unique_options = |
cb60f38d | 749 | "%{C|CC:%{!E:%eGCC does not support -C or -CC without -E}}\ |
94d1613b | 750 | %{!Q:-quiet} %{nostdinc*} %{C} %{CC} %{v} %{I*&F*} %{P} %I\ |
4ca1256f NB |
751 | %{MD:-MD %{!o:%b.d}%{o*:%.d%*}}\ |
752 | %{MMD:-MMD %{!o:%b.d}%{o*:%.d%*}}\ | |
753 | %{M} %{MM} %{MF*} %{MG} %{MP} %{MQ*} %{MT*}\ | |
56cd5b95 | 754 | %{!E:%{!M:%{!MM:%{MD|MMD:%{o*:-MQ %*}}}}}\ |
c08f71aa | 755 | %{trigraphs} %{remap} %{g3:-dD} %{H} %C %{D*&U*&A*} %{i*} %Z %i\ |
56cd5b95 | 756 | %{E|M|MM:%W{o*}}"; |
ffdeea47 JJ |
757 | |
758 | /* This contains cpp options which are common with cc1_options and are passed | |
059ba716 CD |
759 | only when preprocessing only to avoid duplication. We pass the cc1 spec |
760 | options to the preprocessor so that it the cc1 spec may manipulate | |
761 | options used to set target flags. Those special target flags settings may | |
762 | in turn cause preprocessor symbols to be defined specially. */ | |
ffdeea47 | 763 | static const char *cpp_options = |
5febdf0d | 764 | "%(cpp_unique_options) %1 %{m*} %{std*} %{ansi} %{W*&pedantic*} %{w} %{f*}\ |
5c8d9040 | 765 | %{g*:%{!g0:%{!fno-working-directory:-fworking-directory}}} %{O*} %{undef}"; |
ea414c97 | 766 | |
8b968bd1 MW |
767 | /* This contains cpp options which are not passed when the preprocessor |
768 | output will be used by another program. */ | |
769 | static const char *cpp_debug_options = "%{d*}"; | |
770 | ||
5a8e2650 | 771 | /* NB: This is shared amongst all front-ends. */ |
ea414c97 ZW |
772 | static const char *cc1_options = |
773 | "%{pg:%{fomit-frame-pointer:%e-pg and -fomit-frame-pointer are incompatible}}\ | |
774 | %1 %{!Q:-quiet} -dumpbase %B %{d*} %{m*} %{a*}\ | |
ab786753 | 775 | %{c|S:%{o*:-auxbase-strip %*}%{!o*:-auxbase %b}}%{!c:%{!S:-auxbase %b}}\ |
1de38a88 | 776 | %{g*} %{O*} %{W*&pedantic*} %{w} %{std*} %{ansi}\ |
3df89291 | 777 | %{v:-version} %{pg:-p} %{p} %{f*} %{undef}\ |
c47af4b7 | 778 | %{Qn:-fno-ident} %{--help:--help}\ |
91606ce2 | 779 | %{--target-help:--target-help}\ |
49009afd | 780 | %{!fsyntax-only:%{S:%W{o*}%{!o*:-o %b.s}}}\ |
d991c721 | 781 | %{fsyntax-only:-o %j} %{-param*}"; |
ea414c97 ZW |
782 | |
783 | static const char *asm_options = | |
784 | "%a %Y %{c:%W{o*}%{!o*:-o %w%b%O}}%{!c:-o %d%w%u%O}"; | |
ffd86336 | 785 | |
5a8e2650 | 786 | static const char *invoke_as = |
4977bab6 ZW |
787 | #ifdef AS_NEEDS_DASH_FOR_PIPED_INPUT |
788 | "%{!S:-o %|.s |\n as %(asm_options) %|.s %A }"; | |
789 | #else | |
790 | "%{!S:-o %|.s |\n as %(asm_options) %m.s %A }"; | |
791 | #endif | |
5a8e2650 | 792 | |
ffd86336 | 793 | /* Some compilers have limits on line lengths, and the multilib_select |
961b7009 MM |
794 | and/or multilib_matches strings can be very long, so we build them at |
795 | run time. */ | |
ffd86336 | 796 | static struct obstack multilib_obstack; |
3b304f5b ZW |
797 | static const char *multilib_select; |
798 | static const char *multilib_matches; | |
799 | static const char *multilib_defaults; | |
800 | static const char *multilib_exclusions; | |
961b7009 MM |
801 | |
802 | /* Check whether a particular argument is a default argument. */ | |
803 | ||
804 | #ifndef MULTILIB_DEFAULTS | |
805 | #define MULTILIB_DEFAULTS { "" } | |
806 | #endif | |
807 | ||
d25a45d4 | 808 | static const char *const multilib_defaults_raw[] = MULTILIB_DEFAULTS; |
ed1f651b | 809 | |
db36994b RS |
810 | #ifndef DRIVER_SELF_SPECS |
811 | #define DRIVER_SELF_SPECS "" | |
812 | #endif | |
813 | ||
814 | static const char *const driver_self_specs[] = { DRIVER_SELF_SPECS }; | |
815 | ||
7816bea0 DJ |
816 | #ifndef OPTION_DEFAULT_SPECS |
817 | #define OPTION_DEFAULT_SPECS { "", "" } | |
818 | #endif | |
819 | ||
820 | struct default_spec | |
821 | { | |
822 | const char *name; | |
823 | const char *spec; | |
824 | }; | |
825 | ||
826 | static const struct default_spec | |
827 | option_default_specs[] = { OPTION_DEFAULT_SPECS }; | |
828 | ||
3ac63d94 NC |
829 | struct user_specs |
830 | { | |
d9ac3a07 | 831 | struct user_specs *next; |
878f32c3 | 832 | const char *filename; |
d9ac3a07 MM |
833 | }; |
834 | ||
835 | static struct user_specs *user_specs_head, *user_specs_tail; | |
836 | ||
815cf875 RK |
837 | #ifndef SWITCH_TAKES_ARG |
838 | #define SWITCH_TAKES_ARG(CHAR) DEFAULT_SWITCH_TAKES_ARG(CHAR) | |
ed1f651b RS |
839 | #endif |
840 | ||
3b39b94f ILT |
841 | #ifndef WORD_SWITCH_TAKES_ARG |
842 | #define WORD_SWITCH_TAKES_ARG(STR) DEFAULT_WORD_SWITCH_TAKES_ARG (STR) | |
ed1f651b RS |
843 | #endif |
844 | \f | |
45936a85 | 845 | #ifdef HAVE_TARGET_EXECUTABLE_SUFFIX |
88117d44 NC |
846 | /* This defines which switches stop a full compilation. */ |
847 | #define DEFAULT_SWITCH_CURTAILS_COMPILATION(CHAR) \ | |
848 | ((CHAR) == 'c' || (CHAR) == 'S') | |
849 | ||
850 | #ifndef SWITCH_CURTAILS_COMPILATION | |
851 | #define SWITCH_CURTAILS_COMPILATION(CHAR) \ | |
852 | DEFAULT_SWITCH_CURTAILS_COMPILATION(CHAR) | |
853 | #endif | |
854 | #endif | |
855 | ||
ed1f651b RS |
856 | /* Record the mapping from file suffixes for compilation specs. */ |
857 | ||
858 | struct compiler | |
859 | { | |
878f32c3 | 860 | const char *suffix; /* Use this compiler for input files |
ed1f651b | 861 | whose names end in this suffix. */ |
ec32609a | 862 | |
ea414c97 | 863 | const char *spec; /* To use this compiler, run this spec. */ |
a9374841 MM |
864 | |
865 | const char *cpp_spec; /* If non-NULL, substitute this spec | |
866 | for `%C', rather than the usual | |
867 | cpp_spec. */ | |
0855eab7 CT |
868 | const int combinable; /* If non-zero, compiler can deal with |
869 | multiple source files at once (IMA). */ | |
870 | const int needs_preprocessing; /* If non-zero, source files need to | |
871 | be run through a preprocessor. */ | |
ed1f651b RS |
872 | }; |
873 | ||
874 | /* Pointer to a vector of `struct compiler' that gives the spec for | |
875 | compiling a file, based on its suffix. | |
876 | A file that does not end in any of these suffixes will be passed | |
877 | unchanged to the loader and nothing else will be done to it. | |
878 | ||
879 | An entry containing two 0s is used to terminate the vector. | |
880 | ||
881 | If multiple entries match a file, the last matching one is used. */ | |
882 | ||
883 | static struct compiler *compilers; | |
884 | ||
885 | /* Number of entries in `compilers', not counting the null terminator. */ | |
886 | ||
887 | static int n_compilers; | |
888 | ||
889 | /* The default list of file name suffixes and their compilation specs. */ | |
890 | ||
5e65297b | 891 | static const struct compiler default_compilers[] = |
ed1f651b | 892 | { |
4689ad58 | 893 | /* Add lists of suffixes of known languages here. If those languages |
e9a25f70 JL |
894 | were not present when we built the driver, we will hit these copies |
895 | and be given a more meaningful error than "file not used since | |
4689ad58 | 896 | linking is not done". */ |
0855eab7 CT |
897 | {".m", "#Objective-C", 0, 0, 0}, {".mi", "#Objective-C", 0, 0, 0}, |
898 | {".cc", "#C++", 0, 0, 0}, {".cxx", "#C++", 0, 0, 0}, | |
899 | {".cpp", "#C++", 0, 0, 0}, {".cp", "#C++", 0, 0, 0}, | |
900 | {".c++", "#C++", 0, 0, 0}, {".C", "#C++", 0, 0, 0}, | |
901 | {".CPP", "#C++", 0, 0, 0}, {".ii", "#C++", 0, 0, 0}, | |
902 | {".ads", "#Ada", 0, 0, 0}, {".adb", "#Ada", 0, 0, 0}, | |
903 | {".f", "#Fortran", 0, 0, 0}, {".for", "#Fortran", 0, 0, 0}, | |
904 | {".fpp", "#Fortran", 0, 0, 0}, {".F", "#Fortran", 0, 0, 0}, | |
905 | {".FOR", "#Fortran", 0, 0, 0}, {".FPP", "#Fortran", 0, 0, 0}, | |
906 | {".r", "#Ratfor", 0, 0, 0}, | |
907 | {".p", "#Pascal", 0, 0, 0}, {".pas", "#Pascal", 0, 0, 0}, | |
908 | {".java", "#Java", 0, 0, 0}, {".class", "#Java", 0, 0, 0}, | |
909 | {".zip", "#Java", 0, 0, 0}, {".jar", "#Java", 0, 0, 0}, | |
4689ad58 | 910 | /* Next come the entries for C. */ |
0855eab7 | 911 | {".c", "@c", 0, 1, 1}, |
ed1f651b | 912 | {"@c", |
5a8e2650 | 913 | /* cc1 has an integrated ISO C preprocessor. We should invoke the |
f458d1d5 | 914 | external preprocessor if -save-temps is given. */ |
f749a36b | 915 | "%{E|M|MM:%(trad_capable_cpp) %(cpp_options) %(cpp_debug_options)}\ |
5a8e2650 | 916 | %{!E:%{!M:%{!MM:\ |
f458d1d5 ZW |
917 | %{traditional|ftraditional:\ |
918 | %eGNU C no longer supports -traditional without -E}\ | |
0855eab7 | 919 | %{!combine:\ |
8a035a6b | 920 | %{save-temps|traditional-cpp|no-integrated-cpp:%(trad_capable_cpp) \ |
0de12fcc GK |
921 | %(cpp_options) -o %{save-temps:%b.i} %{!save-temps:%g.i} \n\ |
922 | cc1 -fpreprocessed %{save-temps:%b.i} %{!save-temps:%g.i} \ | |
923 | %(cc1_options)}\ | |
8a035a6b AH |
924 | %{!save-temps:%{!traditional-cpp:%{!no-integrated-cpp:\ |
925 | cc1 %(cpp_unique_options) %(cc1_options)}}}\ | |
0855eab7 CT |
926 | %{!fsyntax-only:%(invoke_as)}} \ |
927 | %{combine:\ | |
928 | %{save-temps|traditional-cpp|no-integrated-cpp:%(trad_capable_cpp) \ | |
929 | %(cpp_options) -o %{save-temps:%b.i} %{!save-temps:%g.i}}\ | |
930 | %{!save-temps:%{!traditional-cpp:%{!no-integrated-cpp:\ | |
931 | cc1 %(cpp_unique_options) %(cc1_options)}}\ | |
932 | %{!fsyntax-only:%(invoke_as)}}}}}}", 0, 1, 1}, | |
ed1f651b | 933 | {"-", |
ea414c97 | 934 | "%{!E:%e-E required when input is from standard input}\ |
0855eab7 CT |
935 | %(trad_capable_cpp) %(cpp_options) %(cpp_debug_options)", 0, 0, 0}, |
936 | {".h", "@c-header", 0, 0, 0}, | |
ed1f651b | 937 | {"@c-header", |
17211ab5 GK |
938 | /* cc1 has an integrated ISO C preprocessor. We should invoke the |
939 | external preprocessor if -save-temps is given. */ | |
940 | "%{E|M|MM:%(trad_capable_cpp) %(cpp_options) %(cpp_debug_options)}\ | |
941 | %{!E:%{!M:%{!MM:\ | |
0de12fcc GK |
942 | %{save-temps|traditional-cpp|no-integrated-cpp:%(trad_capable_cpp) \ |
943 | %(cpp_options) -o %{save-temps:%b.i} %{!save-temps:%g.i} \n\ | |
944 | cc1 -fpreprocessed %{save-temps:%b.i} %{!save-temps:%g.i} \ | |
945 | %(cc1_options)\ | |
d8fad4ea | 946 | -o %g.s %{!o*:--output-pch=%i.gch}\ |
17211ab5 | 947 | %W{o*:--output-pch=%*}%V}\ |
0de12fcc | 948 | %{!save-temps:%{!traditional-cpp:%{!no-integrated-cpp:\ |
17211ab5 | 949 | cc1 %(cpp_unique_options) %(cc1_options)\ |
d8fad4ea | 950 | -o %g.s %{!o*:--output-pch=%i.gch}\ |
0855eab7 CT |
951 | %W{o*:--output-pch=%*}%V}}}}}}", 0, 0, 0}, |
952 | {".i", "@cpp-output", 0, 1, 0}, | |
ed1f651b | 953 | {"@cpp-output", |
2a782c52 | 954 | "%{!M:%{!MM:%{!E:cc1 -fpreprocessed %i %(cc1_options) %{!fsyntax-only:%(invoke_as)}}}}", 0, 1, 0}, |
0855eab7 | 955 | {".s", "@assembler", 0, 1, 0}, |
ed1f651b | 956 | {"@assembler", |
0855eab7 CT |
957 | "%{!M:%{!MM:%{!E:%{!S:as %(asm_debug) %(asm_options) %i %A }}}}", 0, 1, 0}, |
958 | {".S", "@assembler-with-cpp", 0, 1, 0}, | |
ed1f651b | 959 | {"@assembler-with-cpp", |
4977bab6 | 960 | #ifdef AS_NEEDS_DASH_FOR_PIPED_INPUT |
5a8e2650 | 961 | "%(trad_capable_cpp) -lang-asm %(cpp_options)\ |
8b968bd1 | 962 | %{E|M|MM:%(cpp_debug_options)}\ |
4977bab6 ZW |
963 | %{!M:%{!MM:%{!E:%{!S:-o %|.s |\n\ |
964 | as %(asm_debug) %(asm_options) %|.s %A }}}}" | |
965 | #else | |
966 | "%(trad_capable_cpp) -lang-asm %(cpp_options)\ | |
967 | %{E|M|MM:%(cpp_debug_options)}\ | |
968 | %{!M:%{!MM:%{!E:%{!S:-o %|.s |\n\ | |
969 | as %(asm_debug) %(asm_options) %m.s %A }}}}" | |
970 | #endif | |
0855eab7 | 971 | , 0, 1, 0}, |
1d088dee | 972 | |
1346ae41 | 973 | #include "specs.h" |
f9da5064 | 974 | /* Mark end of table. */ |
0855eab7 | 975 | {0, 0, 0, 0, 0} |
ed1f651b RS |
976 | }; |
977 | ||
978 | /* Number of elements in default_compilers, not counting the terminator. */ | |
979 | ||
ca7558fc | 980 | static const int n_default_compilers = ARRAY_SIZE (default_compilers) - 1; |
ed1f651b | 981 | |
ed1f651b | 982 | /* A vector of options to give to the linker. |
368dfd3a | 983 | These options are accumulated by %x, |
ed1f651b RS |
984 | and substituted into the linker command with %X. */ |
985 | static int n_linker_options; | |
986 | static char **linker_options; | |
c9ebacb8 RS |
987 | |
988 | /* A vector of options to give to the assembler. | |
989 | These options are accumulated by -Wa, | |
57cb9b60 | 990 | and substituted into the assembler command with %Y. */ |
c9ebacb8 RS |
991 | static int n_assembler_options; |
992 | static char **assembler_options; | |
57cb9b60 JW |
993 | |
994 | /* A vector of options to give to the preprocessor. | |
995 | These options are accumulated by -Wp, | |
996 | and substituted into the preprocessor command with %Z. */ | |
997 | static int n_preprocessor_options; | |
998 | static char **preprocessor_options; | |
ed1f651b | 999 | \f |
f2faf549 RS |
1000 | /* Define how to map long options into short ones. */ |
1001 | ||
1002 | /* This structure describes one mapping. */ | |
1003 | struct option_map | |
1004 | { | |
1005 | /* The long option's name. */ | |
8b60264b | 1006 | const char *const name; |
f2faf549 | 1007 | /* The equivalent short option. */ |
8b60264b | 1008 | const char *const equivalent; |
f2faf549 RS |
1009 | /* Argument info. A string of flag chars; NULL equals no options. |
1010 | a => argument required. | |
1011 | o => argument optional. | |
1012 | j => join argument to equivalent, making one word. | |
92bd6bdc | 1013 | * => require other text after NAME as an argument. */ |
8b60264b | 1014 | const char *const arg_info; |
f2faf549 RS |
1015 | }; |
1016 | ||
1017 | /* This is the table of mappings. Mappings are tried sequentially | |
1018 | for each option encountered; the first one that matches, wins. */ | |
1019 | ||
8b60264b | 1020 | static const struct option_map option_map[] = |
f2faf549 | 1021 | { |
92bd6bdc RK |
1022 | {"--all-warnings", "-Wall", 0}, |
1023 | {"--ansi", "-ansi", 0}, | |
1024 | {"--assemble", "-S", 0}, | |
1025 | {"--assert", "-A", "a"}, | |
645278bc | 1026 | {"--classpath", "-fclasspath=", "aj"}, |
c26a6db8 PB |
1027 | {"--bootclasspath", "-fbootclasspath=", "aj"}, |
1028 | {"--CLASSPATH", "-fclasspath=", "aj"}, | |
0855eab7 | 1029 | {"--combine", "-combine", 0}, |
92bd6bdc | 1030 | {"--comments", "-C", 0}, |
477cdac7 | 1031 | {"--comments-in-macros", "-CC", 0}, |
f2faf549 | 1032 | {"--compile", "-c", 0}, |
92bd6bdc | 1033 | {"--debug", "-g", "oj"}, |
5a570ade | 1034 | {"--define-macro", "-D", "aj"}, |
92bd6bdc | 1035 | {"--dependencies", "-M", 0}, |
f2faf549 | 1036 | {"--dump", "-d", "a"}, |
92bd6bdc | 1037 | {"--dumpbase", "-dumpbase", "a"}, |
f2faf549 | 1038 | {"--entry", "-e", 0}, |
92bd6bdc RK |
1039 | {"--extra-warnings", "-W", 0}, |
1040 | {"--for-assembler", "-Wa", "a"}, | |
1041 | {"--for-linker", "-Xlinker", "a"}, | |
1042 | {"--force-link", "-u", "a"}, | |
f2faf549 | 1043 | {"--imacros", "-imacros", "a"}, |
92bd6bdc RK |
1044 | {"--include", "-include", "a"}, |
1045 | {"--include-barrier", "-I-", 0}, | |
5a570ade | 1046 | {"--include-directory", "-I", "aj"}, |
f2faf549 | 1047 | {"--include-directory-after", "-idirafter", "a"}, |
92bd6bdc | 1048 | {"--include-prefix", "-iprefix", "a"}, |
f2faf549 | 1049 | {"--include-with-prefix", "-iwithprefix", "a"}, |
8b3d0251 RS |
1050 | {"--include-with-prefix-before", "-iwithprefixbefore", "a"}, |
1051 | {"--include-with-prefix-after", "-iwithprefix", "a"}, | |
92bd6bdc RK |
1052 | {"--language", "-x", "a"}, |
1053 | {"--library-directory", "-L", "a"}, | |
f2faf549 | 1054 | {"--machine", "-m", "aj"}, |
92bd6bdc | 1055 | {"--machine-", "-m", "*j"}, |
8a035a6b | 1056 | {"--no-integrated-cpp", "-no-integrated-cpp", 0}, |
92bd6bdc RK |
1057 | {"--no-line-commands", "-P", 0}, |
1058 | {"--no-precompiled-includes", "-noprecomp", 0}, | |
f2faf549 RS |
1059 | {"--no-standard-includes", "-nostdinc", 0}, |
1060 | {"--no-standard-libraries", "-nostdlib", 0}, | |
f2faf549 | 1061 | {"--no-warnings", "-w", 0}, |
f2faf549 | 1062 | {"--optimize", "-O", "oj"}, |
92bd6bdc | 1063 | {"--output", "-o", "a"}, |
36696297 | 1064 | {"--output-class-directory", "-foutput-class-dir=", "ja"}, |
d991c721 | 1065 | {"--param", "--param", "a"}, |
f2faf549 RS |
1066 | {"--pedantic", "-pedantic", 0}, |
1067 | {"--pedantic-errors", "-pedantic-errors", 0}, | |
24a4dd31 | 1068 | {"--pie", "-pie", 0}, |
92bd6bdc RK |
1069 | {"--pipe", "-pipe", 0}, |
1070 | {"--prefix", "-B", "a"}, | |
1071 | {"--preprocess", "-E", 0}, | |
2628b9d3 | 1072 | {"--print-search-dirs", "-print-search-dirs", 0}, |
6a9e290e | 1073 | {"--print-file-name", "-print-file-name=", "aj"}, |
92bd6bdc RK |
1074 | {"--print-libgcc-file-name", "-print-libgcc-file-name", 0}, |
1075 | {"--print-missing-file-dependencies", "-MG", 0}, | |
60103a34 DE |
1076 | {"--print-multi-lib", "-print-multi-lib", 0}, |
1077 | {"--print-multi-directory", "-print-multi-directory", 0}, | |
5bbcd587 | 1078 | {"--print-multi-os-directory", "-print-multi-os-directory", 0}, |
92bd6bdc RK |
1079 | {"--print-prog-name", "-print-prog-name=", "aj"}, |
1080 | {"--profile", "-p", 0}, | |
1081 | {"--profile-blocks", "-a", 0}, | |
1082 | {"--quiet", "-q", 0}, | |
50cb2154 | 1083 | {"--resource", "-fcompile-resource=", "aj"}, |
92bd6bdc | 1084 | {"--save-temps", "-save-temps", 0}, |
f2faf549 | 1085 | {"--shared", "-shared", 0}, |
92bd6bdc | 1086 | {"--silent", "-q", 0}, |
d9ac3a07 | 1087 | {"--specs", "-specs=", "aj"}, |
92bd6bdc | 1088 | {"--static", "-static", 0}, |
6f4d7222 | 1089 | {"--std", "-std=", "aj"}, |
f2faf549 | 1090 | {"--symbolic", "-symbolic", 0}, |
03c41c05 | 1091 | {"--time", "-time", 0}, |
92bd6bdc RK |
1092 | {"--trace-includes", "-H", 0}, |
1093 | {"--traditional", "-traditional", 0}, | |
1094 | {"--traditional-cpp", "-traditional-cpp", 0}, | |
1095 | {"--trigraphs", "-trigraphs", 0}, | |
5a570ade | 1096 | {"--undefine-macro", "-U", "aj"}, |
92bd6bdc RK |
1097 | {"--user-dependencies", "-MM", 0}, |
1098 | {"--verbose", "-v", 0}, | |
92bd6bdc RK |
1099 | {"--warn-", "-W", "*j"}, |
1100 | {"--write-dependencies", "-MD", 0}, | |
1101 | {"--write-user-dependencies", "-MMD", 0}, | |
f2faf549 RS |
1102 | {"--", "-f", "*j"} |
1103 | }; | |
1104 | \f | |
0259b07a DD |
1105 | |
1106 | #ifdef TARGET_OPTION_TRANSLATE_TABLE | |
8b60264b KG |
1107 | static const struct { |
1108 | const char *const option_found; | |
1109 | const char *const replacements; | |
0259b07a DD |
1110 | } target_option_translations[] = |
1111 | { | |
1112 | TARGET_OPTION_TRANSLATE_TABLE, | |
1113 | { 0, 0 } | |
1114 | }; | |
1115 | #endif | |
1116 | ||
f2faf549 RS |
1117 | /* Translate the options described by *ARGCP and *ARGVP. |
1118 | Make a new vector and store it back in *ARGVP, | |
1119 | and store its length in *ARGVC. */ | |
1120 | ||
1121 | static void | |
1d088dee | 1122 | translate_options (int *argcp, const char *const **argvp) |
f2faf549 | 1123 | { |
e51712db | 1124 | int i; |
f2faf549 | 1125 | int argc = *argcp; |
37620334 | 1126 | const char *const *argv = *argvp; |
0259b07a | 1127 | int newvsize = (argc + 2) * 2 * sizeof (const char *); |
703ad42b | 1128 | const char **newv = xmalloc (newvsize); |
f2faf549 RS |
1129 | int newindex = 0; |
1130 | ||
1131 | i = 0; | |
1132 | newv[newindex++] = argv[i++]; | |
1133 | ||
1134 | while (i < argc) | |
1135 | { | |
0259b07a DD |
1136 | #ifdef TARGET_OPTION_TRANSLATE_TABLE |
1137 | int tott_idx; | |
1138 | ||
1139 | for (tott_idx = 0; | |
1140 | target_option_translations[tott_idx].option_found; | |
1141 | tott_idx++) | |
1142 | { | |
1143 | if (strcmp (target_option_translations[tott_idx].option_found, | |
1144 | argv[i]) == 0) | |
1145 | { | |
1146 | int spaces = 1; | |
1147 | const char *sp; | |
1148 | char *np; | |
1149 | ||
1150 | for (sp = target_option_translations[tott_idx].replacements; | |
1151 | *sp; sp++) | |
1152 | { | |
1153 | if (*sp == ' ') | |
1154 | spaces ++; | |
1155 | } | |
1156 | ||
1157 | newvsize += spaces * sizeof (const char *); | |
703ad42b | 1158 | newv = xrealloc (newv, newvsize); |
0259b07a DD |
1159 | |
1160 | sp = target_option_translations[tott_idx].replacements; | |
cb6edbcb | 1161 | np = xstrdup (sp); |
0259b07a DD |
1162 | |
1163 | while (1) | |
1164 | { | |
1165 | while (*np == ' ') | |
1166 | np++; | |
1167 | if (*np == 0) | |
1168 | break; | |
1169 | newv[newindex++] = np; | |
1170 | while (*np != ' ' && *np) | |
1171 | np++; | |
1172 | if (*np == 0) | |
1173 | break; | |
1174 | *np++ = 0; | |
1175 | } | |
1176 | ||
1177 | i ++; | |
1178 | break; | |
1179 | } | |
1180 | } | |
1181 | if (target_option_translations[tott_idx].option_found) | |
1182 | continue; | |
1183 | #endif | |
1184 | ||
f2faf549 RS |
1185 | /* Translate -- options. */ |
1186 | if (argv[i][0] == '-' && argv[i][1] == '-') | |
1187 | { | |
e51712db | 1188 | size_t j; |
f2faf549 | 1189 | /* Find a mapping that applies to this option. */ |
b6a1cbae | 1190 | for (j = 0; j < ARRAY_SIZE (option_map); j++) |
f2faf549 | 1191 | { |
85066503 MH |
1192 | size_t optlen = strlen (option_map[j].name); |
1193 | size_t arglen = strlen (argv[i]); | |
1194 | size_t complen = arglen > optlen ? optlen : arglen; | |
878f32c3 | 1195 | const char *arginfo = option_map[j].arg_info; |
cc198f10 RS |
1196 | |
1197 | if (arginfo == 0) | |
1198 | arginfo = ""; | |
92bd6bdc | 1199 | |
f2faf549 RS |
1200 | if (!strncmp (argv[i], option_map[j].name, complen)) |
1201 | { | |
878f32c3 | 1202 | const char *arg = 0; |
f2faf549 | 1203 | |
92bd6bdc RK |
1204 | if (arglen < optlen) |
1205 | { | |
e51712db | 1206 | size_t k; |
b6a1cbae | 1207 | for (k = j + 1; k < ARRAY_SIZE (option_map); k++) |
92bd6bdc RK |
1208 | if (strlen (option_map[k].name) >= arglen |
1209 | && !strncmp (argv[i], option_map[k].name, arglen)) | |
1210 | { | |
1f978f5f | 1211 | error ("ambiguous abbreviation %s", argv[i]); |
92bd6bdc RK |
1212 | break; |
1213 | } | |
1214 | ||
b6a1cbae | 1215 | if (k != ARRAY_SIZE (option_map)) |
92bd6bdc RK |
1216 | break; |
1217 | } | |
1218 | ||
1219 | if (arglen > optlen) | |
f2faf549 RS |
1220 | { |
1221 | /* If the option has an argument, accept that. */ | |
1222 | if (argv[i][optlen] == '=') | |
1223 | arg = argv[i] + optlen + 1; | |
92bd6bdc RK |
1224 | |
1225 | /* If this mapping requires extra text at end of name, | |
f2faf549 | 1226 | accept that as "argument". */ |
9473c522 | 1227 | else if (strchr (arginfo, '*') != 0) |
f2faf549 | 1228 | arg = argv[i] + optlen; |
92bd6bdc | 1229 | |
f2faf549 RS |
1230 | /* Otherwise, extra text at end means mismatch. |
1231 | Try other mappings. */ | |
1232 | else | |
1233 | continue; | |
1234 | } | |
92bd6bdc | 1235 | |
9473c522 | 1236 | else if (strchr (arginfo, '*') != 0) |
92bd6bdc | 1237 | { |
1f978f5f | 1238 | error ("incomplete `%s' option", option_map[j].name); |
92bd6bdc RK |
1239 | break; |
1240 | } | |
f2faf549 RS |
1241 | |
1242 | /* Handle arguments. */ | |
9473c522 | 1243 | if (strchr (arginfo, 'a') != 0) |
f2faf549 RS |
1244 | { |
1245 | if (arg == 0) | |
1246 | { | |
1247 | if (i + 1 == argc) | |
92bd6bdc | 1248 | { |
1f978f5f | 1249 | error ("missing argument to `%s' option", |
92bd6bdc RK |
1250 | option_map[j].name); |
1251 | break; | |
1252 | } | |
1253 | ||
f2faf549 RS |
1254 | arg = argv[++i]; |
1255 | } | |
1256 | } | |
9473c522 | 1257 | else if (strchr (arginfo, '*') != 0) |
fff26804 | 1258 | ; |
9473c522 | 1259 | else if (strchr (arginfo, 'o') == 0) |
f2faf549 RS |
1260 | { |
1261 | if (arg != 0) | |
1f978f5f | 1262 | error ("extraneous argument to `%s' option", |
f2faf549 RS |
1263 | option_map[j].name); |
1264 | arg = 0; | |
1265 | } | |
1266 | ||
1267 | /* Store the translation as one argv elt or as two. */ | |
9473c522 | 1268 | if (arg != 0 && strchr (arginfo, 'j') != 0) |
6aa62cff | 1269 | newv[newindex++] = concat (option_map[j].equivalent, arg, |
d4f2852f | 1270 | NULL); |
f2faf549 RS |
1271 | else if (arg != 0) |
1272 | { | |
1273 | newv[newindex++] = option_map[j].equivalent; | |
1274 | newv[newindex++] = arg; | |
1275 | } | |
1276 | else | |
1277 | newv[newindex++] = option_map[j].equivalent; | |
1278 | ||
1279 | break; | |
1280 | } | |
1281 | } | |
1282 | i++; | |
1283 | } | |
92bd6bdc | 1284 | |
f2faf549 RS |
1285 | /* Handle old-fashioned options--just copy them through, |
1286 | with their arguments. */ | |
1287 | else if (argv[i][0] == '-') | |
1288 | { | |
878f32c3 | 1289 | const char *p = argv[i] + 1; |
f2faf549 RS |
1290 | int c = *p; |
1291 | int nskip = 1; | |
1292 | ||
1293 | if (SWITCH_TAKES_ARG (c) > (p[1] != 0)) | |
1294 | nskip += SWITCH_TAKES_ARG (c) - (p[1] != 0); | |
1295 | else if (WORD_SWITCH_TAKES_ARG (p)) | |
1296 | nskip += WORD_SWITCH_TAKES_ARG (p); | |
63826d5b | 1297 | else if ((c == 'B' || c == 'b' || c == 'x') |
fb99c21c JW |
1298 | && p[1] == 0) |
1299 | nskip += 1; | |
1300 | else if (! strcmp (p, "Xlinker")) | |
1301 | nskip += 1; | |
4977bab6 ZW |
1302 | else if (! strcmp (p, "Xpreprocessor")) |
1303 | nskip += 1; | |
1304 | else if (! strcmp (p, "Xassembler")) | |
1305 | nskip += 1; | |
f2faf549 | 1306 | |
e184d694 JW |
1307 | /* Watch out for an option at the end of the command line that |
1308 | is missing arguments, and avoid skipping past the end of the | |
1309 | command line. */ | |
1310 | if (nskip + i > argc) | |
1311 | nskip = argc - i; | |
1312 | ||
f2faf549 RS |
1313 | while (nskip > 0) |
1314 | { | |
1315 | newv[newindex++] = argv[i++]; | |
1316 | nskip--; | |
1317 | } | |
1318 | } | |
1319 | else | |
1320 | /* Ordinary operands, or +e options. */ | |
1321 | newv[newindex++] = argv[i++]; | |
1322 | } | |
1323 | ||
1324 | newv[newindex] = 0; | |
1325 | ||
1326 | *argvp = newv; | |
1327 | *argcp = newindex; | |
1328 | } | |
1329 | \f | |
ed1f651b | 1330 | static char * |
1d088dee | 1331 | skip_whitespace (char *p) |
ed1f651b RS |
1332 | { |
1333 | while (1) | |
1334 | { | |
1335 | /* A fully-blank line is a delimiter in the SPEC file and shouldn't | |
1336 | be considered whitespace. */ | |
1337 | if (p[0] == '\n' && p[1] == '\n' && p[2] == '\n') | |
1338 | return p + 1; | |
1339 | else if (*p == '\n' || *p == ' ' || *p == '\t') | |
1340 | p++; | |
1341 | else if (*p == '#') | |
1342 | { | |
d25a45d4 KH |
1343 | while (*p != '\n') |
1344 | p++; | |
ed1f651b RS |
1345 | p++; |
1346 | } | |
1347 | else | |
1348 | break; | |
1349 | } | |
1350 | ||
1351 | return p; | |
1352 | } | |
2296d164 RK |
1353 | /* Structures to keep track of prefixes to try when looking for files. */ |
1354 | ||
1355 | struct prefix_list | |
1356 | { | |
8060c8ee | 1357 | const char *prefix; /* String to prepend to the path. */ |
2296d164 RK |
1358 | struct prefix_list *next; /* Next in linked list. */ |
1359 | int require_machine_suffix; /* Don't use without machine_suffix. */ | |
1360 | /* 2 means try both machine_suffix and just_machine_suffix. */ | |
1361 | int *used_flag_ptr; /* 1 if a file was found with this prefix. */ | |
5bbcd587 JJ |
1362 | int priority; /* Sort key - priority within list. */ |
1363 | int os_multilib; /* 1 if OS multilib scheme should be used, | |
1364 | 0 for GCC multilib scheme. */ | |
2296d164 RK |
1365 | }; |
1366 | ||
1367 | struct path_prefix | |
1368 | { | |
1369 | struct prefix_list *plist; /* List of prefixes to try */ | |
1370 | int max_len; /* Max length of a prefix in PLIST */ | |
1371 | const char *name; /* Name of this list (used in config stuff) */ | |
1372 | }; | |
1373 | ||
1374 | /* List of prefixes to try when looking for executables. */ | |
1375 | ||
1376 | static struct path_prefix exec_prefixes = { 0, 0, "exec" }; | |
1377 | ||
1378 | /* List of prefixes to try when looking for startup (crt0) files. */ | |
1379 | ||
1380 | static struct path_prefix startfile_prefixes = { 0, 0, "startfile" }; | |
1381 | ||
1382 | /* List of prefixes to try when looking for include files. */ | |
1383 | ||
1384 | static struct path_prefix include_prefixes = { 0, 0, "include" }; | |
1385 | ||
1386 | /* Suffix to attach to directories searched for commands. | |
1387 | This looks like `MACHINE/VERSION/'. */ | |
1388 | ||
1389 | static const char *machine_suffix = 0; | |
1390 | ||
1391 | /* Suffix to attach to directories searched for commands. | |
1392 | This is just `MACHINE/'. */ | |
1393 | ||
1394 | static const char *just_machine_suffix = 0; | |
1395 | ||
1396 | /* Adjusted value of GCC_EXEC_PREFIX envvar. */ | |
1397 | ||
1398 | static const char *gcc_exec_prefix; | |
1399 | ||
a8ee6e2d GK |
1400 | /* Adjusted value of standard_libexec_prefix. */ |
1401 | ||
1402 | static const char *gcc_libexec_prefix; | |
1403 | ||
2296d164 RK |
1404 | /* Default prefixes to attach to command names. */ |
1405 | ||
1406 | #ifdef CROSS_COMPILE /* Don't use these prefixes for a cross compiler. */ | |
1407 | #undef MD_EXEC_PREFIX | |
1408 | #undef MD_STARTFILE_PREFIX | |
1409 | #undef MD_STARTFILE_PREFIX_1 | |
1410 | #endif | |
1411 | ||
1412 | /* If no prefixes defined, use the null string, which will disable them. */ | |
1413 | #ifndef MD_EXEC_PREFIX | |
1414 | #define MD_EXEC_PREFIX "" | |
1415 | #endif | |
1416 | #ifndef MD_STARTFILE_PREFIX | |
1417 | #define MD_STARTFILE_PREFIX "" | |
1418 | #endif | |
1419 | #ifndef MD_STARTFILE_PREFIX_1 | |
1420 | #define MD_STARTFILE_PREFIX_1 "" | |
1421 | #endif | |
1422 | ||
27c38fbe | 1423 | static const char *const standard_exec_prefix = STANDARD_EXEC_PREFIX; |
a8ee6e2d GK |
1424 | static const char *const standard_exec_prefix_1 = "/usr/libexec/gcc/"; |
1425 | static const char *const standard_exec_prefix_2 = "/usr/lib/gcc/"; | |
2296d164 RK |
1426 | static const char *md_exec_prefix = MD_EXEC_PREFIX; |
1427 | ||
1428 | static const char *md_startfile_prefix = MD_STARTFILE_PREFIX; | |
1429 | static const char *md_startfile_prefix_1 = MD_STARTFILE_PREFIX_1; | |
27c38fbe KG |
1430 | static const char *const standard_startfile_prefix = STANDARD_STARTFILE_PREFIX; |
1431 | static const char *const standard_startfile_prefix_1 = "/lib/"; | |
1432 | static const char *const standard_startfile_prefix_2 = "/usr/lib/"; | |
2296d164 | 1433 | |
27c38fbe | 1434 | static const char *const tooldir_base_prefix = TOOLDIR_BASE_PREFIX; |
2296d164 RK |
1435 | static const char *tooldir_prefix; |
1436 | ||
27c38fbe | 1437 | static const char *const standard_bindir_prefix = STANDARD_BINDIR_PREFIX; |
2296d164 | 1438 | |
a8ee6e2d GK |
1439 | static const char *standard_libexec_prefix = STANDARD_LIBEXEC_PREFIX; |
1440 | ||
2296d164 RK |
1441 | /* Subdirectory to use for locating libraries. Set by |
1442 | set_multilib_dir based on the compilation options. */ | |
1443 | ||
1444 | static const char *multilib_dir; | |
5bbcd587 JJ |
1445 | |
1446 | /* Subdirectory to use for locating libraries in OS conventions. Set by | |
1447 | set_multilib_dir based on the compilation options. */ | |
1448 | ||
1449 | static const char *multilib_os_dir; | |
ed1f651b | 1450 | \f |
0f41302f | 1451 | /* Structure to keep track of the specs that have been defined so far. |
4089dfab JL |
1452 | These are accessed using %(specname) or %[specname] in a compiler |
1453 | or link spec. */ | |
ed1f651b RS |
1454 | |
1455 | struct spec_list | |
1456 | { | |
79aff5ac MM |
1457 | /* The following 2 fields must be first */ |
1458 | /* to allow EXTRA_SPECS to be initialized */ | |
3b304f5b ZW |
1459 | const char *name; /* name of the spec. */ |
1460 | const char *ptr; /* available ptr if no static pointer */ | |
79aff5ac MM |
1461 | |
1462 | /* The following fields are not initialized */ | |
1463 | /* by EXTRA_SPECS */ | |
3b304f5b | 1464 | const char **ptr_spec; /* pointer to the spec itself. */ |
79aff5ac MM |
1465 | struct spec_list *next; /* Next spec in linked list. */ |
1466 | int name_len; /* length of the name */ | |
1467 | int alloc_p; /* whether string was allocated */ | |
ed1f651b RS |
1468 | }; |
1469 | ||
79aff5ac | 1470 | #define INIT_STATIC_SPEC(NAME,PTR) \ |
6496a589 | 1471 | { NAME, NULL, PTR, (struct spec_list *) 0, sizeof (NAME) - 1, 0 } |
79aff5ac | 1472 | |
3ac63d94 NC |
1473 | /* List of statically defined specs. */ |
1474 | static struct spec_list static_specs[] = | |
1475 | { | |
79aff5ac | 1476 | INIT_STATIC_SPEC ("asm", &asm_spec), |
5f0e9ea2 | 1477 | INIT_STATIC_SPEC ("asm_debug", &asm_debug), |
79aff5ac | 1478 | INIT_STATIC_SPEC ("asm_final", &asm_final_spec), |
ea414c97 | 1479 | INIT_STATIC_SPEC ("asm_options", &asm_options), |
5a8e2650 | 1480 | INIT_STATIC_SPEC ("invoke_as", &invoke_as), |
79aff5ac | 1481 | INIT_STATIC_SPEC ("cpp", &cpp_spec), |
ea414c97 | 1482 | INIT_STATIC_SPEC ("cpp_options", &cpp_options), |
8b968bd1 | 1483 | INIT_STATIC_SPEC ("cpp_debug_options", &cpp_debug_options), |
ffdeea47 | 1484 | INIT_STATIC_SPEC ("cpp_unique_options", &cpp_unique_options), |
ea414c97 | 1485 | INIT_STATIC_SPEC ("trad_capable_cpp", &trad_capable_cpp), |
79aff5ac | 1486 | INIT_STATIC_SPEC ("cc1", &cc1_spec), |
ea414c97 | 1487 | INIT_STATIC_SPEC ("cc1_options", &cc1_options), |
79aff5ac | 1488 | INIT_STATIC_SPEC ("cc1plus", &cc1plus_spec), |
bbd7687d | 1489 | INIT_STATIC_SPEC ("link_gcc_c_sequence", &link_gcc_c_sequence_spec), |
79aff5ac MM |
1490 | INIT_STATIC_SPEC ("endfile", &endfile_spec), |
1491 | INIT_STATIC_SPEC ("link", &link_spec), | |
1492 | INIT_STATIC_SPEC ("lib", &lib_spec), | |
1493 | INIT_STATIC_SPEC ("libgcc", &libgcc_spec), | |
1494 | INIT_STATIC_SPEC ("startfile", &startfile_spec), | |
1495 | INIT_STATIC_SPEC ("switches_need_spaces", &switches_need_spaces), | |
79aff5ac MM |
1496 | INIT_STATIC_SPEC ("cross_compile", &cross_compile), |
1497 | INIT_STATIC_SPEC ("version", &compiler_version), | |
1498 | INIT_STATIC_SPEC ("multilib", &multilib_select), | |
1499 | INIT_STATIC_SPEC ("multilib_defaults", &multilib_defaults), | |
1500 | INIT_STATIC_SPEC ("multilib_extra", &multilib_extra), | |
1501 | INIT_STATIC_SPEC ("multilib_matches", &multilib_matches), | |
0a8d6618 | 1502 | INIT_STATIC_SPEC ("multilib_exclusions", &multilib_exclusions), |
5bbcd587 | 1503 | INIT_STATIC_SPEC ("multilib_options", &multilib_options), |
10da1131 | 1504 | INIT_STATIC_SPEC ("linker", &linker_name_spec), |
ea414c97 | 1505 | INIT_STATIC_SPEC ("link_libgcc", &link_libgcc_spec), |
2296d164 RK |
1506 | INIT_STATIC_SPEC ("md_exec_prefix", &md_exec_prefix), |
1507 | INIT_STATIC_SPEC ("md_startfile_prefix", &md_startfile_prefix), | |
1508 | INIT_STATIC_SPEC ("md_startfile_prefix_1", &md_startfile_prefix_1), | |
343f59d9 | 1509 | INIT_STATIC_SPEC ("startfile_prefix_spec", &startfile_prefix_spec), |
e7f13528 GP |
1510 | INIT_STATIC_SPEC ("sysroot_suffix_spec", &sysroot_suffix_spec), |
1511 | INIT_STATIC_SPEC ("sysroot_hdrs_suffix_spec", &sysroot_hdrs_suffix_spec), | |
79aff5ac MM |
1512 | }; |
1513 | ||
1514 | #ifdef EXTRA_SPECS /* additional specs needed */ | |
829245be | 1515 | /* Structure to keep track of just the first two args of a spec_list. |
3ac63d94 | 1516 | That is all that the EXTRA_SPECS macro gives us. */ |
829245be KG |
1517 | struct spec_list_1 |
1518 | { | |
8b60264b KG |
1519 | const char *const name; |
1520 | const char *const ptr; | |
829245be KG |
1521 | }; |
1522 | ||
8b60264b | 1523 | static const struct spec_list_1 extra_specs_1[] = { EXTRA_SPECS }; |
d25a45d4 | 1524 | static struct spec_list *extra_specs = (struct spec_list *) 0; |
79aff5ac MM |
1525 | #endif |
1526 | ||
1527 | /* List of dynamically allocates specs that have been defined so far. */ | |
1528 | ||
9218435e | 1529 | static struct spec_list *specs = (struct spec_list *) 0; |
79aff5ac | 1530 | \f |
f3226a90 JT |
1531 | /* List of static spec functions. */ |
1532 | ||
1533 | static const struct spec_function static_spec_functions[] = | |
1534 | { | |
1535 | { "if-exists", if_exists_spec_function }, | |
152a5a9c | 1536 | { "if-exists-else", if_exists_else_spec_function }, |
f3226a90 JT |
1537 | { 0, 0 } |
1538 | }; | |
1539 | ||
1540 | static int processing_spec_function; | |
1541 | \f | |
049f6ec9 MM |
1542 | /* Add appropriate libgcc specs to OBSTACK, taking into account |
1543 | various permutations of -shared-libgcc, -shared, and such. */ | |
1544 | ||
328163dc | 1545 | #if defined(ENABLE_SHARED_LIBGCC) && !defined(REAL_LIBGCC_SPEC) |
049f6ec9 | 1546 | static void |
1d088dee AJ |
1547 | init_gcc_specs (struct obstack *obstack, const char *shared_name, |
1548 | const char *static_name, const char *eh_name) | |
049f6ec9 | 1549 | { |
5c181756 AO |
1550 | char *buf; |
1551 | ||
42d579d8 AO |
1552 | buf = concat ("%{static|static-libgcc:", static_name, " ", eh_name, |
1553 | "}%{!static:%{!static-libgcc:", | |
765f1bf9 AM |
1554 | #ifdef HAVE_LD_AS_NEEDED |
1555 | "%{!shared-libgcc:", static_name, | |
1556 | " --as-needed ", shared_name, " --no-as-needed}" | |
1557 | "%{shared-libgcc:", shared_name, "%{!shared: ", static_name, | |
1558 | "}", | |
1559 | #else | |
42d579d8 | 1560 | "%{!shared:%{!shared-libgcc:", static_name, " ", |
5c181756 | 1561 | eh_name, "}%{shared-libgcc:", shared_name, " ", |
42d579d8 | 1562 | static_name, "}}%{shared:", |
275b60d6 | 1563 | #ifdef LINK_EH_SPEC |
5c181756 AO |
1564 | "%{shared-libgcc:", shared_name, |
1565 | "}%{!shared-libgcc:", static_name, "}", | |
275b60d6 | 1566 | #else |
5c181756 | 1567 | shared_name, |
765f1bf9 | 1568 | #endif |
275b60d6 | 1569 | #endif |
ba2b7435 | 1570 | "}}}", NULL); |
5c181756 AO |
1571 | |
1572 | obstack_grow (obstack, buf, strlen (buf)); | |
1573 | free (buf); | |
049f6ec9 | 1574 | } |
6894579f | 1575 | #endif /* ENABLE_SHARED_LIBGCC */ |
049f6ec9 | 1576 | |
79aff5ac MM |
1577 | /* Initialize the specs lookup routines. */ |
1578 | ||
1579 | static void | |
7e51717c | 1580 | init_spec (void) |
79aff5ac | 1581 | { |
9218435e KH |
1582 | struct spec_list *next = (struct spec_list *) 0; |
1583 | struct spec_list *sl = (struct spec_list *) 0; | |
79aff5ac MM |
1584 | int i; |
1585 | ||
1586 | if (specs) | |
3ac63d94 | 1587 | return; /* Already initialized. */ |
79aff5ac | 1588 | |
20df0482 | 1589 | if (verbose_flag) |
b0287a90 | 1590 | notice ("Using built-in specs.\n"); |
20df0482 | 1591 | |
79aff5ac | 1592 | #ifdef EXTRA_SPECS |
703ad42b KG |
1593 | extra_specs = xcalloc (sizeof (struct spec_list), |
1594 | ARRAY_SIZE (extra_specs_1)); | |
9218435e | 1595 | |
b6a1cbae | 1596 | for (i = ARRAY_SIZE (extra_specs_1) - 1; i >= 0; i--) |
03fc1620 JW |
1597 | { |
1598 | sl = &extra_specs[i]; | |
829245be KG |
1599 | sl->name = extra_specs_1[i].name; |
1600 | sl->ptr = extra_specs_1[i].ptr; | |
03fc1620 JW |
1601 | sl->next = next; |
1602 | sl->name_len = strlen (sl->name); | |
1603 | sl->ptr_spec = &sl->ptr; | |
1604 | next = sl; | |
1605 | } | |
79aff5ac MM |
1606 | #endif |
1607 | ||
81bca2f5 RO |
1608 | /* Initialize here, not in definition. The IRIX 6 O32 cc sometimes chokes |
1609 | on ?: in file-scope variable initializations. */ | |
1610 | asm_debug = ASM_DEBUG_SPEC; | |
1611 | ||
b6a1cbae | 1612 | for (i = ARRAY_SIZE (static_specs) - 1; i >= 0; i--) |
79aff5ac MM |
1613 | { |
1614 | sl = &static_specs[i]; | |
1615 | sl->next = next; | |
1616 | next = sl; | |
1617 | } | |
1618 | ||
328163dc | 1619 | #if defined(ENABLE_SHARED_LIBGCC) && !defined(REAL_LIBGCC_SPEC) |
9db0819e RH |
1620 | /* ??? If neither -shared-libgcc nor --static-libgcc was |
1621 | seen, then we should be making an educated guess. Some proposed | |
1622 | heuristics for ELF include: | |
1623 | ||
1624 | (1) If "-Wl,--export-dynamic", then it's a fair bet that the | |
1625 | program will be doing dynamic loading, which will likely | |
1626 | need the shared libgcc. | |
1627 | ||
1628 | (2) If "-ldl", then it's also a fair bet that we're doing | |
1629 | dynamic loading. | |
1630 | ||
1631 | (3) For each ET_DYN we're linking against (either through -lfoo | |
1632 | or /some/path/foo.so), check to see whether it or one of | |
ff7cc307 | 1633 | its dependencies depends on a shared libgcc. |
9db0819e RH |
1634 | |
1635 | (4) If "-shared" | |
1636 | ||
1637 | If the runtime is fixed to look for program headers instead | |
1638 | of calling __register_frame_info at all, for each object, | |
1639 | use the shared libgcc if any EH symbol referenced. | |
1640 | ||
1641 | If crtstuff is fixed to not invoke __register_frame_info | |
1642 | automatically, for each object, use the shared libgcc if | |
1643 | any non-empty unwind section found. | |
1644 | ||
1645 | Doing any of this probably requires invoking an external program to | |
1646 | do the actual object file scanning. */ | |
1647 | { | |
1648 | const char *p = libgcc_spec; | |
1649 | int in_sep = 1; | |
589005ff | 1650 | |
16757495 | 1651 | /* Transform the extant libgcc_spec into one that uses the shared libgcc |
9db0819e RH |
1652 | when given the proper command line arguments. */ |
1653 | while (*p) | |
1654 | { | |
589005ff | 1655 | if (in_sep && *p == '-' && strncmp (p, "-lgcc", 5) == 0) |
9db0819e | 1656 | { |
049f6ec9 | 1657 | init_gcc_specs (&obstack, |
9db0819e | 1658 | #ifdef NO_SHARED_LIBGCC_MULTILIB |
049f6ec9 | 1659 | "-lgcc_s" |
9db0819e | 1660 | #else |
049f6ec9 | 1661 | "-lgcc_s%M" |
4977bab6 | 1662 | #endif |
348d71c7 JW |
1663 | , |
1664 | "-lgcc", | |
1665 | "-lgcc_eh" | |
4977bab6 ZW |
1666 | #ifdef USE_LIBUNWIND_EXCEPTIONS |
1667 | " -lunwind" | |
9db0819e | 1668 | #endif |
348d71c7 JW |
1669 | ); |
1670 | ||
ba2b7435 | 1671 | p += 5; |
9db0819e RH |
1672 | in_sep = 0; |
1673 | } | |
ba2b7435 | 1674 | else if (in_sep && *p == 'l' && strncmp (p, "libgcc.a%s", 10) == 0) |
9db0819e RH |
1675 | { |
1676 | /* Ug. We don't know shared library extensions. Hope that | |
1677 | systems that use this form don't do shared libraries. */ | |
049f6ec9 | 1678 | init_gcc_specs (&obstack, |
9db0819e | 1679 | #ifdef NO_SHARED_LIBGCC_MULTILIB |
049f6ec9 | 1680 | "-lgcc_s" |
9db0819e | 1681 | #else |
049f6ec9 | 1682 | "-lgcc_s%M" |
9db0819e | 1683 | #endif |
049f6ec9 | 1684 | , |
275b60d6 | 1685 | "libgcc.a%s", |
aedec8dd JW |
1686 | "libgcc_eh.a%s" |
1687 | #ifdef USE_LIBUNWIND_EXCEPTIONS | |
1688 | " -lunwind" | |
1689 | #endif | |
1690 | ); | |
ba2b7435 | 1691 | p += 10; |
9db0819e RH |
1692 | in_sep = 0; |
1693 | } | |
1694 | else | |
1695 | { | |
1696 | obstack_1grow (&obstack, *p); | |
1697 | in_sep = (*p == ' '); | |
1698 | p += 1; | |
1699 | } | |
1700 | } | |
1701 | ||
1702 | obstack_1grow (&obstack, '\0'); | |
1703 | libgcc_spec = obstack_finish (&obstack); | |
1704 | } | |
1705 | #endif | |
c64688ae RH |
1706 | #ifdef USE_AS_TRADITIONAL_FORMAT |
1707 | /* Prepend "--traditional-format" to whatever asm_spec we had before. */ | |
1708 | { | |
8b60264b | 1709 | static const char tf[] = "--traditional-format "; |
c64688ae RH |
1710 | obstack_grow (&obstack, tf, sizeof(tf) - 1); |
1711 | obstack_grow0 (&obstack, asm_spec, strlen (asm_spec)); | |
1712 | asm_spec = obstack_finish (&obstack); | |
1713 | } | |
1714 | #endif | |
275b60d6 JJ |
1715 | #ifdef LINK_EH_SPEC |
1716 | /* Prepend LINK_EH_SPEC to whatever link_spec we had before. */ | |
1717 | obstack_grow (&obstack, LINK_EH_SPEC, sizeof(LINK_EH_SPEC) - 1); | |
1718 | obstack_grow0 (&obstack, link_spec, strlen (link_spec)); | |
1719 | link_spec = obstack_finish (&obstack); | |
1720 | #endif | |
9db0819e | 1721 | |
79aff5ac MM |
1722 | specs = sl; |
1723 | } | |
ed1f651b RS |
1724 | \f |
1725 | /* Change the value of spec NAME to SPEC. If SPEC is empty, then the spec is | |
1726 | removed; If the spec starts with a + then SPEC is added to the end of the | |
0f41302f | 1727 | current spec. */ |
ed1f651b RS |
1728 | |
1729 | static void | |
1d088dee | 1730 | set_spec (const char *name, const char *spec) |
ed1f651b RS |
1731 | { |
1732 | struct spec_list *sl; | |
3b304f5b | 1733 | const char *old_spec; |
79aff5ac MM |
1734 | int name_len = strlen (name); |
1735 | int i; | |
1736 | ||
3ac63d94 | 1737 | /* If this is the first call, initialize the statically allocated specs. */ |
20df0482 MM |
1738 | if (!specs) |
1739 | { | |
9218435e | 1740 | struct spec_list *next = (struct spec_list *) 0; |
b6a1cbae | 1741 | for (i = ARRAY_SIZE (static_specs) - 1; i >= 0; i--) |
20df0482 MM |
1742 | { |
1743 | sl = &static_specs[i]; | |
1744 | sl->next = next; | |
1745 | next = sl; | |
1746 | } | |
1747 | specs = sl; | |
1748 | } | |
1749 | ||
3ac63d94 | 1750 | /* See if the spec already exists. */ |
ed1f651b | 1751 | for (sl = specs; sl; sl = sl->next) |
79aff5ac | 1752 | if (name_len == sl->name_len && !strcmp (sl->name, name)) |
ed1f651b RS |
1753 | break; |
1754 | ||
1755 | if (!sl) | |
1756 | { | |
3ac63d94 | 1757 | /* Not found - make it. */ |
703ad42b | 1758 | sl = xmalloc (sizeof (struct spec_list)); |
ad85216e | 1759 | sl->name = xstrdup (name); |
79aff5ac MM |
1760 | sl->name_len = name_len; |
1761 | sl->ptr_spec = &sl->ptr; | |
1762 | sl->alloc_p = 0; | |
1763 | *(sl->ptr_spec) = ""; | |
ed1f651b RS |
1764 | sl->next = specs; |
1765 | specs = sl; | |
1766 | } | |
1767 | ||
79aff5ac | 1768 | old_spec = *(sl->ptr_spec); |
e51712db | 1769 | *(sl->ptr_spec) = ((spec[0] == '+' && ISSPACE ((unsigned char)spec[1])) |
d4f2852f | 1770 | ? concat (old_spec, spec + 1, NULL) |
ad85216e | 1771 | : xstrdup (spec)); |
841faeed | 1772 | |
20df0482 MM |
1773 | #ifdef DEBUG_SPECS |
1774 | if (verbose_flag) | |
ab87f8c8 | 1775 | notice ("Setting spec %s to '%s'\n\n", name, *(sl->ptr_spec)); |
20df0482 MM |
1776 | #endif |
1777 | ||
3ac63d94 | 1778 | /* Free the old spec. */ |
79aff5ac | 1779 | if (old_spec && sl->alloc_p) |
fad205ff | 1780 | free ((void *) old_spec); |
79aff5ac MM |
1781 | |
1782 | sl->alloc_p = 1; | |
ed1f651b RS |
1783 | } |
1784 | \f | |
1785 | /* Accumulate a command (program name and args), and run it. */ | |
1786 | ||
1787 | /* Vector of pointers to arguments in the current line of specifications. */ | |
1788 | ||
fbd40359 | 1789 | static const char **argbuf; |
ed1f651b RS |
1790 | |
1791 | /* Number of elements allocated in argbuf. */ | |
1792 | ||
1793 | static int argbuf_length; | |
1794 | ||
1795 | /* Number of elements in argbuf currently in use (containing args). */ | |
1796 | ||
1797 | static int argbuf_index; | |
1798 | ||
0855eab7 CT |
1799 | /* Position in the argbuf array containing the name of the output file |
1800 | (the value associated with the "-o" flag). */ | |
1801 | ||
1802 | static int have_o_argbuf_index = 0; | |
1803 | ||
49009afd JL |
1804 | /* This is the list of suffixes and codes (%g/%u/%U/%j) and the associated |
1805 | temp file. If the HOST_BIT_BUCKET is used for %j, no entry is made for | |
1806 | it here. */ | |
fb266030 TW |
1807 | |
1808 | static struct temp_name { | |
878f32c3 | 1809 | const char *suffix; /* suffix associated with the code. */ |
fb266030 TW |
1810 | int length; /* strlen (suffix). */ |
1811 | int unique; /* Indicates whether %g or %u/%U was used. */ | |
878f32c3 | 1812 | const char *filename; /* associated filename. */ |
fb266030 TW |
1813 | int filename_length; /* strlen (filename). */ |
1814 | struct temp_name *next; | |
1815 | } *temp_names; | |
39d45901 | 1816 | |
ed1f651b RS |
1817 | /* Number of commands executed so far. */ |
1818 | ||
1819 | static int execution_count; | |
1820 | ||
3b9b4d3f RS |
1821 | /* Number of commands that exited with a signal. */ |
1822 | ||
1823 | static int signal_count; | |
1824 | ||
ed1f651b RS |
1825 | /* Name with which this program was invoked. */ |
1826 | ||
878f32c3 | 1827 | static const char *programname; |
ed1f651b | 1828 | \f |
f3226a90 JT |
1829 | /* Allocate the argument vector. */ |
1830 | ||
1831 | static void | |
7e51717c | 1832 | alloc_args (void) |
f3226a90 JT |
1833 | { |
1834 | argbuf_length = 10; | |
703ad42b | 1835 | argbuf = xmalloc (argbuf_length * sizeof (const char *)); |
f3226a90 JT |
1836 | } |
1837 | ||
ed1f651b RS |
1838 | /* Clear out the vector of arguments (after a command is executed). */ |
1839 | ||
1840 | static void | |
1d088dee | 1841 | clear_args (void) |
ed1f651b RS |
1842 | { |
1843 | argbuf_index = 0; | |
1844 | } | |
1845 | ||
1846 | /* Add one argument to the vector at the end. | |
1847 | This is done when a space is seen or at the end of the line. | |
1848 | If DELETE_ALWAYS is nonzero, the arg is a filename | |
1849 | and the file should be deleted eventually. | |
1850 | If DELETE_FAILURE is nonzero, the arg is a filename | |
1851 | and the file should be deleted if this compilation fails. */ | |
1852 | ||
1853 | static void | |
1d088dee | 1854 | store_arg (const char *arg, int delete_always, int delete_failure) |
ed1f651b RS |
1855 | { |
1856 | if (argbuf_index + 1 == argbuf_length) | |
703ad42b | 1857 | argbuf = xrealloc (argbuf, (argbuf_length *= 2) * sizeof (const char *)); |
ed1f651b RS |
1858 | |
1859 | argbuf[argbuf_index++] = arg; | |
1860 | argbuf[argbuf_index] = 0; | |
1861 | ||
0855eab7 CT |
1862 | if (strcmp (arg, "-o") == 0) |
1863 | have_o_argbuf_index = argbuf_index; | |
ed1f651b RS |
1864 | if (delete_always || delete_failure) |
1865 | record_temp_file (arg, delete_always, delete_failure); | |
1866 | } | |
1867 | \f | |
ff7cc307 | 1868 | /* Load specs from a file name named FILENAME, replacing occurrences of |
9218435e | 1869 | various different types of line-endings, \r\n, \n\r and just \r, with |
b633b6c0 | 1870 | a single \n. */ |
20df0482 | 1871 | |
d25a45d4 | 1872 | static char * |
1d088dee | 1873 | load_specs (const char *filename) |
20df0482 MM |
1874 | { |
1875 | int desc; | |
1876 | int readlen; | |
1877 | struct stat statbuf; | |
1878 | char *buffer; | |
b633b6c0 MK |
1879 | char *buffer_p; |
1880 | char *specs; | |
1881 | char *specs_p; | |
20df0482 MM |
1882 | |
1883 | if (verbose_flag) | |
ab87f8c8 | 1884 | notice ("Reading specs from %s\n", filename); |
20df0482 MM |
1885 | |
1886 | /* Open and stat the file. */ | |
1887 | desc = open (filename, O_RDONLY, 0); | |
1888 | if (desc < 0) | |
1889 | pfatal_with_name (filename); | |
1890 | if (stat (filename, &statbuf) < 0) | |
1891 | pfatal_with_name (filename); | |
1892 | ||
1893 | /* Read contents of file into BUFFER. */ | |
1894 | buffer = xmalloc ((unsigned) statbuf.st_size + 1); | |
1895 | readlen = read (desc, buffer, (unsigned) statbuf.st_size); | |
1896 | if (readlen < 0) | |
1897 | pfatal_with_name (filename); | |
1898 | buffer[readlen] = 0; | |
1899 | close (desc); | |
1900 | ||
b633b6c0 MK |
1901 | specs = xmalloc (readlen + 1); |
1902 | specs_p = specs; | |
1903 | for (buffer_p = buffer; buffer_p && *buffer_p; buffer_p++) | |
1904 | { | |
1905 | int skip = 0; | |
1906 | char c = *buffer_p; | |
1907 | if (c == '\r') | |
d25a45d4 KH |
1908 | { |
1909 | if (buffer_p > buffer && *(buffer_p - 1) == '\n') /* \n\r */ | |
b633b6c0 | 1910 | skip = 1; |
d25a45d4 | 1911 | else if (*(buffer_p + 1) == '\n') /* \r\n */ |
b633b6c0 MK |
1912 | skip = 1; |
1913 | else /* \r */ | |
1914 | c = '\n'; | |
1915 | } | |
1916 | if (! skip) | |
1917 | *specs_p++ = c; | |
1918 | } | |
1919 | *specs_p = '\0'; | |
1920 | ||
1921 | free (buffer); | |
1922 | return (specs); | |
1923 | } | |
1924 | ||
1925 | /* Read compilation specs from a file named FILENAME, | |
1926 | replacing the default ones. | |
1927 | ||
1928 | A suffix which starts with `*' is a definition for | |
1929 | one of the machine-specific sub-specs. The "suffix" should be | |
0fef3fd0 | 1930 | *asm, *cc1, *cpp, *link, *startfile, etc. |
b633b6c0 MK |
1931 | The corresponding spec is stored in asm_spec, etc., |
1932 | rather than in the `compilers' vector. | |
1933 | ||
1934 | Anything invalid in the file is a fatal error. */ | |
1935 | ||
1936 | static void | |
1d088dee | 1937 | read_specs (const char *filename, int main_p) |
b633b6c0 MK |
1938 | { |
1939 | char *buffer; | |
b3694847 | 1940 | char *p; |
b633b6c0 MK |
1941 | |
1942 | buffer = load_specs (filename); | |
1943 | ||
20df0482 MM |
1944 | /* Scan BUFFER for specs, putting them in the vector. */ |
1945 | p = buffer; | |
1946 | while (1) | |
1947 | { | |
1948 | char *suffix; | |
1949 | char *spec; | |
1950 | char *in, *out, *p1, *p2, *p3; | |
1951 | ||
1952 | /* Advance P in BUFFER to the next nonblank nocomment line. */ | |
1953 | p = skip_whitespace (p); | |
1954 | if (*p == 0) | |
1955 | break; | |
1956 | ||
1957 | /* Is this a special command that starts with '%'? */ | |
1958 | /* Don't allow this for the main specs file, since it would | |
1959 | encourage people to overwrite it. */ | |
1960 | if (*p == '%' && !main_p) | |
1961 | { | |
1962 | p1 = p; | |
e9a25f70 JL |
1963 | while (*p && *p != '\n') |
1964 | p++; | |
1965 | ||
d25a45d4 KH |
1966 | /* Skip '\n'. */ |
1967 | p++; | |
20df0482 | 1968 | |
d25a45d4 | 1969 | if (!strncmp (p1, "%include", sizeof ("%include") - 1) |
e9a25f70 JL |
1970 | && (p1[sizeof "%include" - 1] == ' ' |
1971 | || p1[sizeof "%include" - 1] == '\t')) | |
20df0482 MM |
1972 | { |
1973 | char *new_filename; | |
1974 | ||
1975 | p1 += sizeof ("%include"); | |
e9a25f70 JL |
1976 | while (*p1 == ' ' || *p1 == '\t') |
1977 | p1++; | |
20df0482 MM |
1978 | |
1979 | if (*p1++ != '<' || p[-2] != '>') | |
22d9f2cf KG |
1980 | fatal ("specs %%include syntax malformed after %ld characters", |
1981 | (long) (p1 - buffer + 1)); | |
20df0482 MM |
1982 | |
1983 | p[-2] = '\0'; | |
5bbcd587 | 1984 | new_filename = find_a_file (&startfile_prefixes, p1, R_OK, 0); |
20df0482 MM |
1985 | read_specs (new_filename ? new_filename : p1, FALSE); |
1986 | continue; | |
1987 | } | |
e9a25f70 JL |
1988 | else if (!strncmp (p1, "%include_noerr", sizeof "%include_noerr" - 1) |
1989 | && (p1[sizeof "%include_noerr" - 1] == ' ' | |
1990 | || p1[sizeof "%include_noerr" - 1] == '\t')) | |
20df0482 MM |
1991 | { |
1992 | char *new_filename; | |
1993 | ||
e9a25f70 | 1994 | p1 += sizeof "%include_noerr"; |
d25a45d4 KH |
1995 | while (*p1 == ' ' || *p1 == '\t') |
1996 | p1++; | |
20df0482 MM |
1997 | |
1998 | if (*p1++ != '<' || p[-2] != '>') | |
22d9f2cf KG |
1999 | fatal ("specs %%include syntax malformed after %ld characters", |
2000 | (long) (p1 - buffer + 1)); | |
20df0482 MM |
2001 | |
2002 | p[-2] = '\0'; | |
5bbcd587 | 2003 | new_filename = find_a_file (&startfile_prefixes, p1, R_OK, 0); |
20df0482 MM |
2004 | if (new_filename) |
2005 | read_specs (new_filename, FALSE); | |
2006 | else if (verbose_flag) | |
c725bd79 | 2007 | notice ("could not find specs file %s\n", p1); |
20df0482 MM |
2008 | continue; |
2009 | } | |
e9a25f70 JL |
2010 | else if (!strncmp (p1, "%rename", sizeof "%rename" - 1) |
2011 | && (p1[sizeof "%rename" - 1] == ' ' | |
2012 | || p1[sizeof "%rename" - 1] == '\t')) | |
20df0482 MM |
2013 | { |
2014 | int name_len; | |
2015 | struct spec_list *sl; | |
169ce44d | 2016 | struct spec_list *newsl; |
20df0482 | 2017 | |
169ce44d | 2018 | /* Get original name. */ |
e9a25f70 JL |
2019 | p1 += sizeof "%rename"; |
2020 | while (*p1 == ' ' || *p1 == '\t') | |
2021 | p1++; | |
2022 | ||
9218435e | 2023 | if (! ISALPHA ((unsigned char) *p1)) |
22d9f2cf KG |
2024 | fatal ("specs %%rename syntax malformed after %ld characters", |
2025 | (long) (p1 - buffer)); | |
20df0482 MM |
2026 | |
2027 | p2 = p1; | |
9218435e | 2028 | while (*p2 && !ISSPACE ((unsigned char) *p2)) |
e9a25f70 JL |
2029 | p2++; |
2030 | ||
20df0482 | 2031 | if (*p2 != ' ' && *p2 != '\t') |
22d9f2cf KG |
2032 | fatal ("specs %%rename syntax malformed after %ld characters", |
2033 | (long) (p2 - buffer)); | |
20df0482 MM |
2034 | |
2035 | name_len = p2 - p1; | |
2036 | *p2++ = '\0'; | |
e9a25f70 JL |
2037 | while (*p2 == ' ' || *p2 == '\t') |
2038 | p2++; | |
2039 | ||
9218435e | 2040 | if (! ISALPHA ((unsigned char) *p2)) |
22d9f2cf KG |
2041 | fatal ("specs %%rename syntax malformed after %ld characters", |
2042 | (long) (p2 - buffer)); | |
20df0482 | 2043 | |
d25a45d4 | 2044 | /* Get new spec name. */ |
20df0482 | 2045 | p3 = p2; |
9218435e | 2046 | while (*p3 && !ISSPACE ((unsigned char) *p3)) |
e9a25f70 JL |
2047 | p3++; |
2048 | ||
d25a45d4 | 2049 | if (p3 != p - 1) |
22d9f2cf KG |
2050 | fatal ("specs %%rename syntax malformed after %ld characters", |
2051 | (long) (p3 - buffer)); | |
20df0482 MM |
2052 | *p3 = '\0'; |
2053 | ||
2054 | for (sl = specs; sl; sl = sl->next) | |
2055 | if (name_len == sl->name_len && !strcmp (sl->name, p1)) | |
2056 | break; | |
2057 | ||
2058 | if (!sl) | |
2059 | fatal ("specs %s spec was not found to be renamed", p1); | |
2060 | ||
e9a25f70 | 2061 | if (strcmp (p1, p2) == 0) |
20df0482 MM |
2062 | continue; |
2063 | ||
169ce44d NC |
2064 | for (newsl = specs; newsl; newsl = newsl->next) |
2065 | if (strcmp (newsl->name, p2) == 0) | |
2066 | fatal ("%s: attempt to rename spec '%s' to already defined spec '%s'", | |
2067 | filename, p1, p2); | |
2068 | ||
20df0482 MM |
2069 | if (verbose_flag) |
2070 | { | |
ab87f8c8 | 2071 | notice ("rename spec %s to %s\n", p1, p2); |
20df0482 | 2072 | #ifdef DEBUG_SPECS |
ab87f8c8 | 2073 | notice ("spec is '%s'\n\n", *(sl->ptr_spec)); |
20df0482 MM |
2074 | #endif |
2075 | } | |
2076 | ||
2077 | set_spec (p2, *(sl->ptr_spec)); | |
2078 | if (sl->alloc_p) | |
fad205ff | 2079 | free ((void *) *(sl->ptr_spec)); |
20df0482 MM |
2080 | |
2081 | *(sl->ptr_spec) = ""; | |
2082 | sl->alloc_p = 0; | |
2083 | continue; | |
2084 | } | |
2085 | else | |
22d9f2cf KG |
2086 | fatal ("specs unknown %% command after %ld characters", |
2087 | (long) (p1 - buffer)); | |
20df0482 MM |
2088 | } |
2089 | ||
2090 | /* Find the colon that should end the suffix. */ | |
2091 | p1 = p; | |
e9a25f70 JL |
2092 | while (*p1 && *p1 != ':' && *p1 != '\n') |
2093 | p1++; | |
2094 | ||
20df0482 MM |
2095 | /* The colon shouldn't be missing. */ |
2096 | if (*p1 != ':') | |
22d9f2cf KG |
2097 | fatal ("specs file malformed after %ld characters", |
2098 | (long) (p1 - buffer)); | |
e9a25f70 | 2099 | |
20df0482 MM |
2100 | /* Skip back over trailing whitespace. */ |
2101 | p2 = p1; | |
e9a25f70 JL |
2102 | while (p2 > buffer && (p2[-1] == ' ' || p2[-1] == '\t')) |
2103 | p2--; | |
2104 | ||
20df0482 MM |
2105 | /* Copy the suffix to a string. */ |
2106 | suffix = save_string (p, p2 - p); | |
2107 | /* Find the next line. */ | |
2108 | p = skip_whitespace (p1 + 1); | |
2109 | if (p[1] == 0) | |
22d9f2cf KG |
2110 | fatal ("specs file malformed after %ld characters", |
2111 | (long) (p - buffer)); | |
e9a25f70 | 2112 | |
20df0482 | 2113 | p1 = p; |
bbeb7b65 JW |
2114 | /* Find next blank line or end of string. */ |
2115 | while (*p1 && !(*p1 == '\n' && (p1[1] == '\n' || p1[1] == '\0'))) | |
e9a25f70 JL |
2116 | p1++; |
2117 | ||
20df0482 MM |
2118 | /* Specs end at the blank line and do not include the newline. */ |
2119 | spec = save_string (p, p1 - p); | |
2120 | p = p1; | |
2121 | ||
2122 | /* Delete backslash-newline sequences from the spec. */ | |
2123 | in = spec; | |
2124 | out = spec; | |
2125 | while (*in != 0) | |
2126 | { | |
2127 | if (in[0] == '\\' && in[1] == '\n') | |
2128 | in += 2; | |
2129 | else if (in[0] == '#') | |
e9a25f70 JL |
2130 | while (*in && *in != '\n') |
2131 | in++; | |
2132 | ||
20df0482 MM |
2133 | else |
2134 | *out++ = *in++; | |
2135 | } | |
2136 | *out = 0; | |
2137 | ||
2138 | if (suffix[0] == '*') | |
2139 | { | |
2140 | if (! strcmp (suffix, "*link_command")) | |
2141 | link_command_spec = spec; | |
2142 | else | |
2143 | set_spec (suffix + 1, spec); | |
2144 | } | |
2145 | else | |
2146 | { | |
2147 | /* Add this pair to the vector. */ | |
2148 | compilers | |
703ad42b KG |
2149 | = xrealloc (compilers, |
2150 | (n_compilers + 2) * sizeof (struct compiler)); | |
e9a25f70 | 2151 | |
20df0482 | 2152 | compilers[n_compilers].suffix = suffix; |
ea414c97 | 2153 | compilers[n_compilers].spec = spec; |
20df0482 | 2154 | n_compilers++; |
9257393c | 2155 | memset (&compilers[n_compilers], 0, sizeof compilers[n_compilers]); |
20df0482 MM |
2156 | } |
2157 | ||
2158 | if (*suffix == 0) | |
2159 | link_command_spec = spec; | |
2160 | } | |
2161 | ||
2162 | if (link_command_spec == 0) | |
2163 | fatal ("spec file has no spec for linking"); | |
2164 | } | |
2165 | \f | |
ed1f651b RS |
2166 | /* Record the names of temporary files we tell compilers to write, |
2167 | and delete them at the end of the run. */ | |
2168 | ||
2169 | /* This is the common prefix we use to make temp file names. | |
2170 | It is chosen once for each run of this program. | |
49009afd | 2171 | It is substituted into a spec by %g or %j. |
ed1f651b RS |
2172 | Thus, all temp file names contain this prefix. |
2173 | In practice, all temp file names start with this prefix. | |
2174 | ||
2175 | This prefix comes from the envvar TMPDIR if it is defined; | |
2176 | otherwise, from the P_tmpdir macro if that is defined; | |
6aa62cff DE |
2177 | otherwise, in /usr/tmp or /tmp; |
2178 | or finally the current directory if all else fails. */ | |
ed1f651b | 2179 | |
878f32c3 | 2180 | static const char *temp_filename; |
ed1f651b RS |
2181 | |
2182 | /* Length of the prefix. */ | |
2183 | ||
2184 | static int temp_filename_length; | |
2185 | ||
2186 | /* Define the list of temporary files to delete. */ | |
2187 | ||
2188 | struct temp_file | |
2189 | { | |
878f32c3 | 2190 | const char *name; |
ed1f651b RS |
2191 | struct temp_file *next; |
2192 | }; | |
2193 | ||
2194 | /* Queue of files to delete on success or failure of compilation. */ | |
2195 | static struct temp_file *always_delete_queue; | |
2196 | /* Queue of files to delete on failure of compilation. */ | |
2197 | static struct temp_file *failure_delete_queue; | |
2198 | ||
2199 | /* Record FILENAME as a file to be deleted automatically. | |
2200 | ALWAYS_DELETE nonzero means delete it if all compilation succeeds; | |
2201 | otherwise delete it in any case. | |
2202 | FAIL_DELETE nonzero means delete it if a compilation step fails; | |
2203 | otherwise delete it in any case. */ | |
2204 | ||
d991c721 | 2205 | void |
1d088dee | 2206 | record_temp_file (const char *filename, int always_delete, int fail_delete) |
ed1f651b | 2207 | { |
b3694847 | 2208 | char *const name = xstrdup (filename); |
ed1f651b RS |
2209 | |
2210 | if (always_delete) | |
2211 | { | |
b3694847 | 2212 | struct temp_file *temp; |
ed1f651b RS |
2213 | for (temp = always_delete_queue; temp; temp = temp->next) |
2214 | if (! strcmp (name, temp->name)) | |
2215 | goto already1; | |
e9a25f70 | 2216 | |
703ad42b | 2217 | temp = xmalloc (sizeof (struct temp_file)); |
ed1f651b RS |
2218 | temp->next = always_delete_queue; |
2219 | temp->name = name; | |
2220 | always_delete_queue = temp; | |
e9a25f70 | 2221 | |
ed1f651b RS |
2222 | already1:; |
2223 | } | |
2224 | ||
2225 | if (fail_delete) | |
2226 | { | |
b3694847 | 2227 | struct temp_file *temp; |
ed1f651b RS |
2228 | for (temp = failure_delete_queue; temp; temp = temp->next) |
2229 | if (! strcmp (name, temp->name)) | |
2230 | goto already2; | |
e9a25f70 | 2231 | |
703ad42b | 2232 | temp = xmalloc (sizeof (struct temp_file)); |
ed1f651b RS |
2233 | temp->next = failure_delete_queue; |
2234 | temp->name = name; | |
2235 | failure_delete_queue = temp; | |
e9a25f70 | 2236 | |
ed1f651b RS |
2237 | already2:; |
2238 | } | |
2239 | } | |
2240 | ||
2241 | /* Delete all the temporary files whose names we previously recorded. */ | |
2242 | ||
d5ea2ac4 | 2243 | static void |
1d088dee | 2244 | delete_if_ordinary (const char *name) |
d5ea2ac4 RK |
2245 | { |
2246 | struct stat st; | |
2247 | #ifdef DEBUG | |
2248 | int i, c; | |
2249 | ||
2250 | printf ("Delete %s? (y or n) ", name); | |
2251 | fflush (stdout); | |
2252 | i = getchar (); | |
2253 | if (i != '\n') | |
e9a25f70 JL |
2254 | while ((c = getchar ()) != '\n' && c != EOF) |
2255 | ; | |
2256 | ||
d5ea2ac4 RK |
2257 | if (i == 'y' || i == 'Y') |
2258 | #endif /* DEBUG */ | |
0e83ceb1 | 2259 | if (stat (name, &st) >= 0 && S_ISREG (st.st_mode)) |
d5ea2ac4 RK |
2260 | if (unlink (name) < 0) |
2261 | if (verbose_flag) | |
2262 | perror_with_name (name); | |
2263 | } | |
2264 | ||
ed1f651b | 2265 | static void |
1d088dee | 2266 | delete_temp_files (void) |
ed1f651b | 2267 | { |
b3694847 | 2268 | struct temp_file *temp; |
ed1f651b RS |
2269 | |
2270 | for (temp = always_delete_queue; temp; temp = temp->next) | |
d5ea2ac4 | 2271 | delete_if_ordinary (temp->name); |
ed1f651b RS |
2272 | always_delete_queue = 0; |
2273 | } | |
2274 | ||
2275 | /* Delete all the files to be deleted on error. */ | |
2276 | ||
2277 | static void | |
1d088dee | 2278 | delete_failure_queue (void) |
ed1f651b | 2279 | { |
b3694847 | 2280 | struct temp_file *temp; |
ed1f651b RS |
2281 | |
2282 | for (temp = failure_delete_queue; temp; temp = temp->next) | |
d5ea2ac4 | 2283 | delete_if_ordinary (temp->name); |
ed1f651b RS |
2284 | } |
2285 | ||
2286 | static void | |
1d088dee | 2287 | clear_failure_queue (void) |
ed1f651b RS |
2288 | { |
2289 | failure_delete_queue = 0; | |
2290 | } | |
b3865ca9 | 2291 | \f |
2628b9d3 DE |
2292 | /* Build a list of search directories from PATHS. |
2293 | PREFIX is a string to prepend to the list. | |
cc2902df | 2294 | If CHECK_DIR_P is nonzero we ensure the directory exists. |
2628b9d3 DE |
2295 | This is used mostly by putenv_from_prefixes so we use `collect_obstack'. |
2296 | It is also used by the --print-search-dirs flag. */ | |
b3865ca9 | 2297 | |
2628b9d3 | 2298 | static char * |
1d088dee AJ |
2299 | build_search_list (struct path_prefix *paths, const char *prefix, |
2300 | int check_dir_p) | |
b3865ca9 RS |
2301 | { |
2302 | int suffix_len = (machine_suffix) ? strlen (machine_suffix) : 0; | |
3ae7de4e RK |
2303 | int just_suffix_len |
2304 | = (just_machine_suffix) ? strlen (just_machine_suffix) : 0; | |
b3865ca9 RS |
2305 | int first_time = TRUE; |
2306 | struct prefix_list *pprefix; | |
2307 | ||
2628b9d3 | 2308 | obstack_grow (&collect_obstack, prefix, strlen (prefix)); |
512b62fb | 2309 | obstack_1grow (&collect_obstack, '='); |
b3865ca9 RS |
2310 | |
2311 | for (pprefix = paths->plist; pprefix != 0; pprefix = pprefix->next) | |
2312 | { | |
2313 | int len = strlen (pprefix->prefix); | |
2314 | ||
0ad5835e | 2315 | if (machine_suffix |
e9a25f70 | 2316 | && (! check_dir_p |
2628b9d3 | 2317 | || is_directory (pprefix->prefix, machine_suffix, 0))) |
b3865ca9 RS |
2318 | { |
2319 | if (!first_time) | |
3ae7de4e | 2320 | obstack_1grow (&collect_obstack, PATH_SEPARATOR); |
9218435e | 2321 | |
b3865ca9 RS |
2322 | first_time = FALSE; |
2323 | obstack_grow (&collect_obstack, pprefix->prefix, len); | |
2324 | obstack_grow (&collect_obstack, machine_suffix, suffix_len); | |
2325 | } | |
2326 | ||
0ad5835e ILT |
2327 | if (just_machine_suffix |
2328 | && pprefix->require_machine_suffix == 2 | |
e9a25f70 | 2329 | && (! check_dir_p |
2628b9d3 | 2330 | || is_directory (pprefix->prefix, just_machine_suffix, 0))) |
ae04227b | 2331 | { |
e9a25f70 | 2332 | if (! first_time) |
3ae7de4e | 2333 | obstack_1grow (&collect_obstack, PATH_SEPARATOR); |
9218435e | 2334 | |
ae04227b CH |
2335 | first_time = FALSE; |
2336 | obstack_grow (&collect_obstack, pprefix->prefix, len); | |
3ae7de4e RK |
2337 | obstack_grow (&collect_obstack, just_machine_suffix, |
2338 | just_suffix_len); | |
ae04227b CH |
2339 | } |
2340 | ||
e9a25f70 | 2341 | if (! pprefix->require_machine_suffix) |
b3865ca9 | 2342 | { |
e9a25f70 | 2343 | if (! first_time) |
3ae7de4e | 2344 | obstack_1grow (&collect_obstack, PATH_SEPARATOR); |
b3865ca9 RS |
2345 | |
2346 | first_time = FALSE; | |
2347 | obstack_grow (&collect_obstack, pprefix->prefix, len); | |
2348 | } | |
2349 | } | |
e9a25f70 | 2350 | |
3ae7de4e | 2351 | obstack_1grow (&collect_obstack, '\0'); |
2628b9d3 | 2352 | return obstack_finish (&collect_obstack); |
b3865ca9 RS |
2353 | } |
2354 | ||
0f41302f MS |
2355 | /* Rebuild the COMPILER_PATH and LIBRARY_PATH environment variables |
2356 | for collect. */ | |
2628b9d3 DE |
2357 | |
2358 | static void | |
1d088dee | 2359 | putenv_from_prefixes (struct path_prefix *paths, const char *env_var) |
2628b9d3 DE |
2360 | { |
2361 | putenv (build_search_list (paths, env_var, 1)); | |
2362 | } | |
ed1f651b | 2363 | \f |
ca606201 ILT |
2364 | /* Check whether NAME can be accessed in MODE. This is like access, |
2365 | except that it never considers directories to be executable. */ | |
2366 | ||
2367 | static int | |
1d088dee | 2368 | access_check (const char *name, int mode) |
ca606201 ILT |
2369 | { |
2370 | if (mode == X_OK) | |
2371 | { | |
2372 | struct stat st; | |
2373 | ||
2374 | if (stat (name, &st) < 0 | |
2375 | || S_ISDIR (st.st_mode)) | |
2376 | return -1; | |
2377 | } | |
2378 | ||
2379 | return access (name, mode); | |
2380 | } | |
2381 | ||
ed1f651b RS |
2382 | /* Search for NAME using the prefix list PREFIXES. MODE is passed to |
2383 | access to check permissions. | |
0f41302f | 2384 | Return 0 if not found, otherwise return its name, allocated with malloc. */ |
ed1f651b RS |
2385 | |
2386 | static char * | |
1d088dee AJ |
2387 | find_a_file (struct path_prefix *pprefix, const char *name, int mode, |
2388 | int multilib) | |
ed1f651b RS |
2389 | { |
2390 | char *temp; | |
27c38fbe KG |
2391 | const char *const file_suffix = |
2392 | ((mode & X_OK) != 0 ? HOST_EXECUTABLE_SUFFIX : ""); | |
ed1f651b RS |
2393 | struct prefix_list *pl; |
2394 | int len = pprefix->max_len + strlen (name) + strlen (file_suffix) + 1; | |
5bbcd587 | 2395 | const char *multilib_name, *multilib_os_name; |
ed1f651b | 2396 | |
ab339d62 | 2397 | #ifdef DEFAULT_ASSEMBLER |
c5c0b3d9 | 2398 | if (! strcmp (name, "as") && access (DEFAULT_ASSEMBLER, mode) == 0) |
ad85216e | 2399 | return xstrdup (DEFAULT_ASSEMBLER); |
ab339d62 AO |
2400 | #endif |
2401 | ||
2402 | #ifdef DEFAULT_LINKER | |
ad85216e KG |
2403 | if (! strcmp(name, "ld") && access (DEFAULT_LINKER, mode) == 0) |
2404 | return xstrdup (DEFAULT_LINKER); | |
ab339d62 AO |
2405 | #endif |
2406 | ||
ed1f651b RS |
2407 | if (machine_suffix) |
2408 | len += strlen (machine_suffix); | |
2409 | ||
5bbcd587 JJ |
2410 | multilib_name = name; |
2411 | multilib_os_name = name; | |
2412 | if (multilib && multilib_os_dir) | |
2413 | { | |
2414 | int len1 = multilib_dir ? strlen (multilib_dir) + 1 : 0; | |
2415 | int len2 = strlen (multilib_os_dir) + 1; | |
2416 | ||
2417 | len += len1 > len2 ? len1 : len2; | |
2418 | if (multilib_dir) | |
2419 | multilib_name = ACONCAT ((multilib_dir, dir_separator_str, name, | |
2420 | NULL)); | |
2421 | if (strcmp (multilib_os_dir, ".") != 0) | |
2422 | multilib_os_name = ACONCAT ((multilib_os_dir, dir_separator_str, name, | |
2423 | NULL)); | |
2424 | } | |
2425 | ||
ed1f651b RS |
2426 | temp = xmalloc (len); |
2427 | ||
2428 | /* Determine the filename to execute (special case for absolute paths). */ | |
2429 | ||
3dce1408 | 2430 | if (IS_ABSOLUTE_PATH (name)) |
ed1f651b | 2431 | { |
ab339d62 | 2432 | if (access (name, mode) == 0) |
ed1f651b RS |
2433 | { |
2434 | strcpy (temp, name); | |
2435 | return temp; | |
2436 | } | |
2437 | } | |
2438 | else | |
2439 | for (pl = pprefix->plist; pl; pl = pl->next) | |
2440 | { | |
5bbcd587 JJ |
2441 | const char *this_name |
2442 | = pl->os_multilib ? multilib_os_name : multilib_name; | |
2443 | ||
ed1f651b RS |
2444 | if (machine_suffix) |
2445 | { | |
ed1f651b | 2446 | /* Some systems have a suffix for executable files. |
460dcab4 | 2447 | So try appending that first. */ |
ed1f651b RS |
2448 | if (file_suffix[0] != 0) |
2449 | { | |
460dcab4 RK |
2450 | strcpy (temp, pl->prefix); |
2451 | strcat (temp, machine_suffix); | |
5bbcd587 | 2452 | strcat (temp, multilib_name); |
ed1f651b | 2453 | strcat (temp, file_suffix); |
ca606201 | 2454 | if (access_check (temp, mode) == 0) |
ed1f651b RS |
2455 | { |
2456 | if (pl->used_flag_ptr != 0) | |
2457 | *pl->used_flag_ptr = 1; | |
2458 | return temp; | |
2459 | } | |
2460 | } | |
460dcab4 | 2461 | |
5bbcd587 | 2462 | /* Now try just the multilib_name. */ |
ae04227b | 2463 | strcpy (temp, pl->prefix); |
460dcab4 | 2464 | strcat (temp, machine_suffix); |
5bbcd587 | 2465 | strcat (temp, multilib_name); |
ca606201 | 2466 | if (access_check (temp, mode) == 0) |
ae04227b CH |
2467 | { |
2468 | if (pl->used_flag_ptr != 0) | |
2469 | *pl->used_flag_ptr = 1; | |
2470 | return temp; | |
2471 | } | |
460dcab4 RK |
2472 | } |
2473 | ||
2474 | /* Certain prefixes are tried with just the machine type, | |
2475 | not the version. This is used for finding as, ld, etc. */ | |
2476 | if (just_machine_suffix && pl->require_machine_suffix == 2) | |
2477 | { | |
ae04227b | 2478 | /* Some systems have a suffix for executable files. |
460dcab4 | 2479 | So try appending that first. */ |
ae04227b CH |
2480 | if (file_suffix[0] != 0) |
2481 | { | |
460dcab4 RK |
2482 | strcpy (temp, pl->prefix); |
2483 | strcat (temp, just_machine_suffix); | |
5bbcd587 | 2484 | strcat (temp, multilib_name); |
ae04227b | 2485 | strcat (temp, file_suffix); |
ca606201 | 2486 | if (access_check (temp, mode) == 0) |
ae04227b CH |
2487 | { |
2488 | if (pl->used_flag_ptr != 0) | |
2489 | *pl->used_flag_ptr = 1; | |
2490 | return temp; | |
2491 | } | |
2492 | } | |
460dcab4 | 2493 | |
ed1f651b | 2494 | strcpy (temp, pl->prefix); |
460dcab4 | 2495 | strcat (temp, just_machine_suffix); |
5bbcd587 | 2496 | strcat (temp, multilib_name); |
ca606201 | 2497 | if (access_check (temp, mode) == 0) |
ed1f651b RS |
2498 | { |
2499 | if (pl->used_flag_ptr != 0) | |
2500 | *pl->used_flag_ptr = 1; | |
2501 | return temp; | |
2502 | } | |
460dcab4 RK |
2503 | } |
2504 | ||
2505 | /* Certain prefixes can't be used without the machine suffix | |
2506 | when the machine or version is explicitly specified. */ | |
e9a25f70 | 2507 | if (! pl->require_machine_suffix) |
460dcab4 | 2508 | { |
ed1f651b | 2509 | /* Some systems have a suffix for executable files. |
460dcab4 | 2510 | So try appending that first. */ |
ed1f651b RS |
2511 | if (file_suffix[0] != 0) |
2512 | { | |
460dcab4 | 2513 | strcpy (temp, pl->prefix); |
5bbcd587 | 2514 | strcat (temp, this_name); |
ed1f651b | 2515 | strcat (temp, file_suffix); |
ca606201 | 2516 | if (access_check (temp, mode) == 0) |
ed1f651b RS |
2517 | { |
2518 | if (pl->used_flag_ptr != 0) | |
2519 | *pl->used_flag_ptr = 1; | |
2520 | return temp; | |
2521 | } | |
2522 | } | |
460dcab4 RK |
2523 | |
2524 | strcpy (temp, pl->prefix); | |
5bbcd587 | 2525 | strcat (temp, this_name); |
ca606201 | 2526 | if (access_check (temp, mode) == 0) |
460dcab4 RK |
2527 | { |
2528 | if (pl->used_flag_ptr != 0) | |
2529 | *pl->used_flag_ptr = 1; | |
2530 | return temp; | |
2531 | } | |
ed1f651b RS |
2532 | } |
2533 | } | |
2534 | ||
2535 | free (temp); | |
2536 | return 0; | |
2537 | } | |
2538 | ||
922a4beb | 2539 | /* Ranking of prefixes in the sort list. -B prefixes are put before |
9218435e | 2540 | all others. */ |
922a4beb AC |
2541 | |
2542 | enum path_prefix_priority | |
2543 | { | |
2544 | PREFIX_PRIORITY_B_OPT, | |
2545 | PREFIX_PRIORITY_LAST | |
2546 | }; | |
2547 | ||
fbe5a4a6 | 2548 | /* Add an entry for PREFIX in PLIST. The PLIST is kept in ascending |
922a4beb AC |
2549 | order according to PRIORITY. Within each PRIORITY, new entries are |
2550 | appended. | |
ed1f651b RS |
2551 | |
2552 | If WARN is nonzero, we will warn if no file is found | |
2553 | through this prefix. WARN should point to an int | |
ae04227b CH |
2554 | which will be set to 1 if this entry is used. |
2555 | ||
e9a25f70 JL |
2556 | COMPONENT is the value to be passed to update_path. |
2557 | ||
ae04227b CH |
2558 | REQUIRE_MACHINE_SUFFIX is 1 if this prefix can't be used without |
2559 | the complete value of machine_suffix. | |
2560 | 2 means try both machine_suffix and just_machine_suffix. */ | |
ed1f651b RS |
2561 | |
2562 | static void | |
1d088dee AJ |
2563 | add_prefix (struct path_prefix *pprefix, const char *prefix, |
2564 | const char *component, /* enum prefix_priority */ int priority, | |
2565 | int require_machine_suffix, int *warn, int os_multilib) | |
ed1f651b RS |
2566 | { |
2567 | struct prefix_list *pl, **prev; | |
2568 | int len; | |
2569 | ||
922a4beb AC |
2570 | for (prev = &pprefix->plist; |
2571 | (*prev) != NULL && (*prev)->priority <= priority; | |
2572 | prev = &(*prev)->next) | |
2573 | ; | |
ed1f651b | 2574 | |
f9da5064 | 2575 | /* Keep track of the longest prefix. */ |
ed1f651b | 2576 | |
e9a25f70 | 2577 | prefix = update_path (prefix, component); |
ed1f651b RS |
2578 | len = strlen (prefix); |
2579 | if (len > pprefix->max_len) | |
2580 | pprefix->max_len = len; | |
2581 | ||
703ad42b | 2582 | pl = xmalloc (sizeof (struct prefix_list)); |
51c04256 | 2583 | pl->prefix = prefix; |
ed1f651b RS |
2584 | pl->require_machine_suffix = require_machine_suffix; |
2585 | pl->used_flag_ptr = warn; | |
922a4beb | 2586 | pl->priority = priority; |
5bbcd587 | 2587 | pl->os_multilib = os_multilib; |
ed1f651b RS |
2588 | if (warn) |
2589 | *warn = 0; | |
2590 | ||
f9da5064 | 2591 | /* Insert after PREV. */ |
922a4beb AC |
2592 | pl->next = (*prev); |
2593 | (*prev) = pl; | |
ed1f651b | 2594 | } |
4977bab6 ZW |
2595 | |
2596 | /* Same as add_prefix, but prepending target_system_root to prefix. */ | |
2597 | static void | |
1d088dee AJ |
2598 | add_sysrooted_prefix (struct path_prefix *pprefix, const char *prefix, |
2599 | const char *component, | |
2600 | /* enum prefix_priority */ int priority, | |
2601 | int require_machine_suffix, int *warn, int os_multilib) | |
4977bab6 | 2602 | { |
3dce1408 | 2603 | if (!IS_ABSOLUTE_PATH (prefix)) |
4977bab6 ZW |
2604 | abort (); |
2605 | ||
2606 | if (target_system_root) | |
2607 | { | |
e7f13528 GP |
2608 | if (target_sysroot_suffix) |
2609 | prefix = concat (target_sysroot_suffix, prefix, NULL); | |
4977bab6 | 2610 | prefix = concat (target_system_root, prefix, NULL); |
e7f13528 | 2611 | |
4977bab6 ZW |
2612 | /* We have to override this because GCC's notion of sysroot |
2613 | moves along with GCC. */ | |
2614 | component = "GCC"; | |
2615 | } | |
2616 | ||
2617 | add_prefix (pprefix, prefix, component, priority, | |
2618 | require_machine_suffix, warn, os_multilib); | |
2619 | } | |
ed1f651b RS |
2620 | \f |
2621 | /* Execute the command specified by the arguments on the current line of spec. | |
2622 | When using pipes, this includes several piped-together commands | |
2623 | with `|' between them. | |
2624 | ||
2625 | Return 0 if successful, -1 if failed. */ | |
2626 | ||
2627 | static int | |
1d088dee | 2628 | execute (void) |
ed1f651b RS |
2629 | { |
2630 | int i; | |
2631 | int n_commands; /* # of command. */ | |
2632 | char *string; | |
2633 | struct command | |
d25a45d4 KH |
2634 | { |
2635 | const char *prog; /* program name. */ | |
2636 | const char **argv; /* vector of args. */ | |
2637 | int pid; /* pid of process for this command. */ | |
2638 | }; | |
ed1f651b RS |
2639 | |
2640 | struct command *commands; /* each command buffer with above info. */ | |
2641 | ||
f3226a90 JT |
2642 | if (processing_spec_function) |
2643 | abort (); | |
2644 | ||
ed1f651b RS |
2645 | /* Count # of piped commands. */ |
2646 | for (n_commands = 1, i = 0; i < argbuf_index; i++) | |
2647 | if (strcmp (argbuf[i], "|") == 0) | |
2648 | n_commands++; | |
2649 | ||
2650 | /* Get storage for each command. */ | |
703ad42b | 2651 | commands = alloca (n_commands * sizeof (struct command)); |
ed1f651b RS |
2652 | |
2653 | /* Split argbuf into its separate piped processes, | |
2654 | and record info about each one. | |
2655 | Also search for the programs that are to be run. */ | |
2656 | ||
2657 | commands[0].prog = argbuf[0]; /* first command. */ | |
2658 | commands[0].argv = &argbuf[0]; | |
5bbcd587 | 2659 | string = find_a_file (&exec_prefixes, commands[0].prog, X_OK, 0); |
10da1131 | 2660 | |
ed1f651b RS |
2661 | if (string) |
2662 | commands[0].argv[0] = string; | |
2663 | ||
2664 | for (n_commands = 1, i = 0; i < argbuf_index; i++) | |
2665 | if (strcmp (argbuf[i], "|") == 0) | |
2666 | { /* each command. */ | |
6405c0ec | 2667 | #if defined (__MSDOS__) || defined (OS2) || defined (VMS) |
d25a45d4 | 2668 | fatal ("-pipe not supported"); |
ed1f651b RS |
2669 | #endif |
2670 | argbuf[i] = 0; /* termination of command args. */ | |
2671 | commands[n_commands].prog = argbuf[i + 1]; | |
2672 | commands[n_commands].argv = &argbuf[i + 1]; | |
5bbcd587 JJ |
2673 | string = find_a_file (&exec_prefixes, commands[n_commands].prog, |
2674 | X_OK, 0); | |
ed1f651b RS |
2675 | if (string) |
2676 | commands[n_commands].argv[0] = string; | |
2677 | n_commands++; | |
2678 | } | |
2679 | ||
2680 | argbuf[argbuf_index] = 0; | |
2681 | ||
2682 | /* If -v, print what we are about to do, and maybe query. */ | |
2683 | ||
b3865ca9 | 2684 | if (verbose_flag) |
ed1f651b | 2685 | { |
b8468bc7 NC |
2686 | /* For help listings, put a blank line between sub-processes. */ |
2687 | if (print_help_list) | |
2688 | fputc ('\n', stderr); | |
9218435e | 2689 | |
ed1f651b | 2690 | /* Print each piped command as a separate line. */ |
d25a45d4 | 2691 | for (i = 0; i < n_commands; i++) |
ed1f651b | 2692 | { |
37620334 | 2693 | const char *const *j; |
ed1f651b | 2694 | |
589005ff KH |
2695 | if (verbose_only_flag) |
2696 | { | |
99f78cdd IR |
2697 | for (j = commands[i].argv; *j; j++) |
2698 | { | |
88f92c0f | 2699 | const char *p; |
99f78cdd IR |
2700 | fprintf (stderr, " \""); |
2701 | for (p = *j; *p; ++p) | |
2702 | { | |
2703 | if (*p == '"' || *p == '\\' || *p == '$') | |
2704 | fputc ('\\', stderr); | |
2705 | fputc (*p, stderr); | |
2706 | } | |
2707 | fputc ('"', stderr); | |
2708 | } | |
589005ff KH |
2709 | } |
2710 | else | |
99f78cdd IR |
2711 | for (j = commands[i].argv; *j; j++) |
2712 | fprintf (stderr, " %s", *j); | |
ed1f651b RS |
2713 | |
2714 | /* Print a pipe symbol after all but the last command. */ | |
2715 | if (i + 1 != n_commands) | |
2716 | fprintf (stderr, " |"); | |
2717 | fprintf (stderr, "\n"); | |
2718 | } | |
2719 | fflush (stderr); | |
99f78cdd | 2720 | if (verbose_only_flag != 0) |
6a40fb21 AP |
2721 | { |
2722 | /* verbose_only_flag should act as if the spec was | |
2723 | executed, so increment execution_count before | |
ba228239 | 2724 | returning. This prevents spurious warnings about |
6a40fb21 AP |
2725 | unused linker input files, etc. */ |
2726 | execution_count++; | |
2727 | return 0; | |
2728 | } | |
ed1f651b | 2729 | #ifdef DEBUG |
ab87f8c8 | 2730 | notice ("\nGo ahead? (y or n) "); |
ed1f651b RS |
2731 | fflush (stderr); |
2732 | i = getchar (); | |
2733 | if (i != '\n') | |
e9a25f70 JL |
2734 | while (getchar () != '\n') |
2735 | ; | |
2736 | ||
ed1f651b RS |
2737 | if (i != 'y' && i != 'Y') |
2738 | return 0; | |
2739 | #endif /* DEBUG */ | |
2740 | } | |
2741 | ||
414d23ae | 2742 | #ifdef ENABLE_VALGRIND_CHECKING |
fbe5a4a6 | 2743 | /* Run the each command through valgrind. To simplify prepending the |
414d23ae HPN |
2744 | path to valgrind and the option "-q" (for quiet operation unless |
2745 | something triggers), we allocate a separate argv array. */ | |
2746 | ||
2747 | for (i = 0; i < n_commands; i++) | |
2748 | { | |
2749 | const char **argv; | |
2750 | int argc; | |
2751 | int j; | |
2752 | ||
2753 | for (argc = 0; commands[i].argv[argc] != NULL; argc++) | |
2754 | ; | |
2755 | ||
2756 | argv = alloca ((argc + 3) * sizeof (char *)); | |
2757 | ||
2758 | argv[0] = VALGRIND_PATH; | |
2759 | argv[1] = "-q"; | |
2760 | for (j = 2; j < argc + 2; j++) | |
2761 | argv[j] = commands[i].argv[j - 2]; | |
2762 | argv[j] = NULL; | |
2763 | ||
2764 | commands[i].argv = argv; | |
2765 | commands[i].prog = argv[0]; | |
2766 | } | |
2767 | #endif | |
2768 | ||
ed1f651b RS |
2769 | /* Run each piped subprocess. */ |
2770 | ||
ed1f651b RS |
2771 | for (i = 0; i < n_commands; i++) |
2772 | { | |
c10d53dd | 2773 | char *errmsg_fmt, *errmsg_arg; |
fbd40359 | 2774 | const char *string = commands[i].argv[0]; |
ed1f651b | 2775 | |
37620334 ZW |
2776 | /* For some bizarre reason, the second argument of execvp() is |
2777 | char *const *, not const char *const *. */ | |
2778 | commands[i].pid = pexecute (string, (char *const *) commands[i].argv, | |
c10d53dd DE |
2779 | programname, temp_filename, |
2780 | &errmsg_fmt, &errmsg_arg, | |
2781 | ((i == 0 ? PEXECUTE_FIRST : 0) | |
2782 | | (i + 1 == n_commands ? PEXECUTE_LAST : 0) | |
2783 | | (string == commands[i].prog | |
1c874773 DE |
2784 | ? PEXECUTE_SEARCH : 0) |
2785 | | (verbose_flag ? PEXECUTE_VERBOSE : 0))); | |
c10d53dd DE |
2786 | |
2787 | if (commands[i].pid == -1) | |
2788 | pfatal_pexecute (errmsg_fmt, errmsg_arg); | |
ed1f651b RS |
2789 | |
2790 | if (string != commands[i].prog) | |
fad205ff | 2791 | free ((void *) string); |
ed1f651b RS |
2792 | } |
2793 | ||
2794 | execution_count++; | |
2795 | ||
2796 | /* Wait for all the subprocesses to finish. | |
2797 | We don't care what order they finish in; | |
34cd1bd7 RK |
2798 | we know that N_COMMANDS waits will get them all. |
2799 | Ignore subprocesses that we don't know about, | |
2800 | since they can be spawned by the process that exec'ed us. */ | |
ed1f651b RS |
2801 | |
2802 | { | |
2803 | int ret_code = 0; | |
03c41c05 ZW |
2804 | #ifdef HAVE_GETRUSAGE |
2805 | struct timeval d; | |
a544cfd2 | 2806 | double ut = 0.0, st = 0.0; |
03c41c05 | 2807 | #endif |
ed1f651b | 2808 | |
d25a45d4 | 2809 | for (i = 0; i < n_commands;) |
ed1f651b | 2810 | { |
34cd1bd7 | 2811 | int j; |
ed1f651b RS |
2812 | int status; |
2813 | int pid; | |
ed1f651b | 2814 | |
c10d53dd | 2815 | pid = pwait (commands[i].pid, &status, 0); |
ed1f651b RS |
2816 | if (pid < 0) |
2817 | abort (); | |
2818 | ||
03c41c05 ZW |
2819 | #ifdef HAVE_GETRUSAGE |
2820 | if (report_times) | |
2821 | { | |
2822 | /* getrusage returns the total resource usage of all children | |
2823 | up to now. Copy the previous values into prus, get the | |
2824 | current statistics, then take the difference. */ | |
2825 | ||
2826 | prus = rus; | |
2827 | getrusage (RUSAGE_CHILDREN, &rus); | |
2828 | d.tv_sec = rus.ru_utime.tv_sec - prus.ru_utime.tv_sec; | |
2829 | d.tv_usec = rus.ru_utime.tv_usec - prus.ru_utime.tv_usec; | |
d25a45d4 | 2830 | ut = (double) d.tv_sec + (double) d.tv_usec / 1.0e6; |
9218435e | 2831 | |
03c41c05 ZW |
2832 | d.tv_sec = rus.ru_stime.tv_sec - prus.ru_stime.tv_sec; |
2833 | d.tv_usec = rus.ru_stime.tv_usec - prus.ru_stime.tv_usec; | |
d25a45d4 | 2834 | st = (double) d.tv_sec + (double) d.tv_usec / 1.0e6; |
03c41c05 ZW |
2835 | } |
2836 | #endif | |
2837 | ||
34cd1bd7 RK |
2838 | for (j = 0; j < n_commands; j++) |
2839 | if (commands[j].pid == pid) | |
2840 | { | |
2841 | i++; | |
c334349b | 2842 | if (WIFSIGNALED (status)) |
34cd1bd7 | 2843 | { |
c334349b ZW |
2844 | #ifdef SIGPIPE |
2845 | /* SIGPIPE is a special case. It happens in -pipe mode | |
2846 | when the compiler dies before the preprocessor is | |
2847 | done, or the assembler dies before the compiler is | |
2848 | done. There's generally been an error already, and | |
2849 | this is just fallout. So don't generate another error | |
2850 | unless we would otherwise have succeeded. */ | |
2851 | if (WTERMSIG (status) == SIGPIPE | |
2852 | && (signal_count || greatest_status >= MIN_FATAL_STATUS)) | |
2853 | ; | |
2854 | else | |
2855 | #endif | |
2856 | fatal ("\ | |
2857 | Internal error: %s (program %s)\n\ | |
2858 | Please submit a full bug report.\n\ | |
2859 | See %s for instructions.", | |
2860 | strsignal (WTERMSIG (status)), commands[j].prog, | |
a976603e | 2861 | bug_report_url); |
c334349b ZW |
2862 | signal_count++; |
2863 | ret_code = -1; | |
2864 | } | |
2865 | else if (WIFEXITED (status) | |
2866 | && WEXITSTATUS (status) >= MIN_FATAL_STATUS) | |
2867 | { | |
2868 | if (WEXITSTATUS (status) > greatest_status) | |
2869 | greatest_status = WEXITSTATUS (status); | |
2870 | ret_code = -1; | |
34cd1bd7 | 2871 | } |
03c41c05 ZW |
2872 | #ifdef HAVE_GETRUSAGE |
2873 | if (report_times && ut + st != 0) | |
2874 | notice ("# %s %.2f %.2f\n", commands[j].prog, ut, st); | |
2875 | #endif | |
34cd1bd7 RK |
2876 | break; |
2877 | } | |
ed1f651b RS |
2878 | } |
2879 | return ret_code; | |
2880 | } | |
2881 | } | |
2882 | \f | |
2883 | /* Find all the switches given to us | |
2884 | and make a vector describing them. | |
2885 | The elements of the vector are strings, one per switch given. | |
2886 | If a switch uses following arguments, then the `part1' field | |
2887 | is the switch itself and the `args' field | |
2888 | is a null-terminated vector containing the following arguments. | |
8097c429 TT |
2889 | The `live_cond' field is: |
2890 | 0 when initialized | |
2891 | 1 if the switch is true in a conditional spec, | |
2892 | -1 if false (overridden by a later switch) | |
4977bab6 | 2893 | -2 if this switch should be ignored (used in %<S) |
ab87f8c8 | 2894 | The `validated' field is nonzero if any spec has looked at this switch; |
ed1f651b RS |
2895 | if it remains zero at the end of the run, it must be meaningless. */ |
2896 | ||
8097c429 TT |
2897 | #define SWITCH_OK 0 |
2898 | #define SWITCH_FALSE -1 | |
2899 | #define SWITCH_IGNORE -2 | |
2900 | #define SWITCH_LIVE 1 | |
2901 | ||
ed1f651b RS |
2902 | struct switchstr |
2903 | { | |
878f32c3 | 2904 | const char *part1; |
fbd40359 | 2905 | const char **args; |
f5b0eb4e | 2906 | int live_cond; |
196a37f4 NB |
2907 | unsigned char validated; |
2908 | unsigned char ordering; | |
ed1f651b RS |
2909 | }; |
2910 | ||
2911 | static struct switchstr *switches; | |
2912 | ||
2913 | static int n_switches; | |
2914 | ||
2915 | struct infile | |
2916 | { | |
878f32c3 KG |
2917 | const char *name; |
2918 | const char *language; | |
0855eab7 CT |
2919 | struct compiler *incompiler; |
2920 | bool compiled; | |
2921 | bool preprocessed; | |
ed1f651b RS |
2922 | }; |
2923 | ||
2924 | /* Also a vector of input files specified. */ | |
2925 | ||
2926 | static struct infile *infiles; | |
2927 | ||
3a5a9edc | 2928 | int n_infiles; |
ed1f651b | 2929 | |
d1bd0ded GK |
2930 | /* True if multiple input files are being compiled to a single |
2931 | assembly file. */ | |
2932 | ||
2933 | static bool combine_inputs; | |
2934 | ||
08dc830e | 2935 | /* This counts the number of libraries added by lang_specific_driver, so that |
a2a05b0a JW |
2936 | we can tell if there were any user supplied any files or libraries. */ |
2937 | ||
2938 | static int added_libraries; | |
2939 | ||
ed1f651b RS |
2940 | /* And a vector of corresponding output files is made up later. */ |
2941 | ||
3a5a9edc | 2942 | const char **outfiles; |
ed1f651b | 2943 | |
5d7bb90c RK |
2944 | /* Used to track if none of the -B paths are used. */ |
2945 | static int warn_B; | |
2946 | ||
5d7bb90c | 2947 | /* Gives value to pass as "warn" to add_prefix for standard prefixes. */ |
b27804a8 | 2948 | static int *warn_std_ptr = 0; |
853e0b2d | 2949 | \f |
45936a85 | 2950 | #if defined(HAVE_TARGET_OBJECT_SUFFIX) || defined(HAVE_TARGET_EXECUTABLE_SUFFIX) |
853e0b2d RK |
2951 | |
2952 | /* Convert NAME to a new name if it is the standard suffix. DO_EXE | |
a9657ce8 DR |
2953 | is true if we should look for an executable suffix. DO_OBJ |
2954 | is true if we should look for an object suffix. */ | |
853e0b2d | 2955 | |
40cdfca6 | 2956 | static const char * |
1d088dee AJ |
2957 | convert_filename (const char *name, int do_exe ATTRIBUTE_UNUSED, |
2958 | int do_obj ATTRIBUTE_UNUSED) | |
853e0b2d | 2959 | { |
40cdfca6 | 2960 | #if defined(HAVE_TARGET_EXECUTABLE_SUFFIX) |
853e0b2d | 2961 | int i; |
40cdfca6 | 2962 | #endif |
87e690e2 MK |
2963 | int len; |
2964 | ||
2965 | if (name == NULL) | |
2966 | return NULL; | |
9218435e | 2967 | |
87e690e2 | 2968 | len = strlen (name); |
853e0b2d | 2969 | |
45936a85 DD |
2970 | #ifdef HAVE_TARGET_OBJECT_SUFFIX |
2971 | /* Convert x.o to x.obj if TARGET_OBJECT_SUFFIX is ".obj". */ | |
a9657ce8 | 2972 | if (do_obj && len > 2 |
853e0b2d RK |
2973 | && name[len - 2] == '.' |
2974 | && name[len - 1] == 'o') | |
2975 | { | |
bdc5ed93 | 2976 | obstack_grow (&obstack, name, len - 2); |
45936a85 | 2977 | obstack_grow0 (&obstack, TARGET_OBJECT_SUFFIX, strlen (TARGET_OBJECT_SUFFIX)); |
853e0b2d RK |
2978 | name = obstack_finish (&obstack); |
2979 | } | |
2980 | #endif | |
2981 | ||
45936a85 | 2982 | #if defined(HAVE_TARGET_EXECUTABLE_SUFFIX) |
853e0b2d RK |
2983 | /* If there is no filetype, make it the executable suffix (which includes |
2984 | the "."). But don't get confused if we have just "-o". */ | |
45936a85 | 2985 | if (! do_exe || TARGET_EXECUTABLE_SUFFIX[0] == 0 || (len == 2 && name[0] == '-')) |
853e0b2d RK |
2986 | return name; |
2987 | ||
e0040a8e | 2988 | for (i = len - 1; i >= 0; i--) |
509781a4 | 2989 | if (IS_DIR_SEPARATOR (name[i])) |
e0040a8e RK |
2990 | break; |
2991 | ||
2992 | for (i++; i < len; i++) | |
853e0b2d RK |
2993 | if (name[i] == '.') |
2994 | return name; | |
2995 | ||
2996 | obstack_grow (&obstack, name, len); | |
5d9669fd RK |
2997 | obstack_grow0 (&obstack, TARGET_EXECUTABLE_SUFFIX, |
2998 | strlen (TARGET_EXECUTABLE_SUFFIX)); | |
853e0b2d RK |
2999 | name = obstack_finish (&obstack); |
3000 | #endif | |
3001 | ||
3002 | return name; | |
3003 | } | |
3004 | #endif | |
b8468bc7 NC |
3005 | \f |
3006 | /* Display the command line switches accepted by gcc. */ | |
3007 | static void | |
1d088dee | 3008 | display_help (void) |
b8468bc7 | 3009 | { |
5e4adfba PT |
3010 | printf (_("Usage: %s [options] file...\n"), programname); |
3011 | fputs (_("Options:\n"), stdout); | |
b8468bc7 | 3012 | |
5e4adfba PT |
3013 | fputs (_(" -pass-exit-codes Exit with highest error code from a phase\n"), stdout); |
3014 | fputs (_(" --help Display this information\n"), stdout); | |
91606ce2 | 3015 | fputs (_(" --target-help Display target specific command line options\n"), stdout); |
b8468bc7 | 3016 | if (! verbose_flag) |
5e4adfba PT |
3017 | fputs (_(" (Use '-v --help' to display command line options of sub-processes)\n"), stdout); |
3018 | fputs (_(" -dumpspecs Display all of the built in spec strings\n"), stdout); | |
3019 | fputs (_(" -dumpversion Display the version of the compiler\n"), stdout); | |
3020 | fputs (_(" -dumpmachine Display the compiler's target processor\n"), stdout); | |
3021 | fputs (_(" -print-search-dirs Display the directories in the compiler's search path\n"), stdout); | |
3022 | fputs (_(" -print-libgcc-file-name Display the name of the compiler's companion library\n"), stdout); | |
3023 | fputs (_(" -print-file-name=<lib> Display the full path to library <lib>\n"), stdout); | |
3024 | fputs (_(" -print-prog-name=<prog> Display the full path to compiler component <prog>\n"), stdout); | |
3025 | fputs (_(" -print-multi-directory Display the root directory for versions of libgcc\n"), stdout); | |
3026 | fputs (_("\ | |
3027 | -print-multi-lib Display the mapping between command line options and\n\ | |
3028 | multiple library search directories\n"), stdout); | |
5bbcd587 | 3029 | fputs (_(" -print-multi-os-directory Display the relative path to OS libraries\n"), stdout); |
5e4adfba PT |
3030 | fputs (_(" -Wa,<options> Pass comma-separated <options> on to the assembler\n"), stdout); |
3031 | fputs (_(" -Wp,<options> Pass comma-separated <options> on to the preprocessor\n"), stdout); | |
3032 | fputs (_(" -Wl,<options> Pass comma-separated <options> on to the linker\n"), stdout); | |
4977bab6 ZW |
3033 | fputs (_(" -Xassembler <arg> Pass <arg> on to the assembler\n"), stdout); |
3034 | fputs (_(" -Xpreprocessor <arg> Pass <arg> on to the preprocessor\n"), stdout); | |
5e4adfba | 3035 | fputs (_(" -Xlinker <arg> Pass <arg> on to the linker\n"), stdout); |
0855eab7 | 3036 | fputs (_(" -combine Pass multiple source files to compiler at once\n"), stdout); |
5e4adfba PT |
3037 | fputs (_(" -save-temps Do not delete intermediate files\n"), stdout); |
3038 | fputs (_(" -pipe Use pipes rather than intermediate files\n"), stdout); | |
3039 | fputs (_(" -time Time the execution of each subprocess\n"), stdout); | |
b0287a90 | 3040 | fputs (_(" -specs=<file> Override built-in specs with the contents of <file>\n"), stdout); |
5e4adfba PT |
3041 | fputs (_(" -std=<standard> Assume that the input sources are for <standard>\n"), stdout); |
3042 | fputs (_(" -B <directory> Add <directory> to the compiler's search paths\n"), stdout); | |
3043 | fputs (_(" -b <machine> Run gcc for target <machine>, if installed\n"), stdout); | |
3044 | fputs (_(" -V <version> Run gcc version number <version>, if installed\n"), stdout); | |
3045 | fputs (_(" -v Display the programs invoked by the compiler\n"), stdout); | |
99f78cdd | 3046 | fputs (_(" -### Like -v but options quoted and commands not executed\n"), stdout); |
5e4adfba PT |
3047 | fputs (_(" -E Preprocess only; do not compile, assemble or link\n"), stdout); |
3048 | fputs (_(" -S Compile only; do not assemble or link\n"), stdout); | |
3049 | fputs (_(" -c Compile and assemble, but do not link\n"), stdout); | |
3050 | fputs (_(" -o <file> Place the output into <file>\n"), stdout); | |
3051 | fputs (_("\ | |
3052 | -x <language> Specify the language of the following input files\n\ | |
8e854b76 | 3053 | Permissible languages include: c c++ assembler none\n\ |
1737c953 | 3054 | 'none' means revert to the default behavior of\n\ |
5e4adfba PT |
3055 | guessing the language based on the file's extension\n\ |
3056 | "), stdout); | |
3057 | ||
0c386769 | 3058 | printf (_("\ |
d991c721 BK |
3059 | \nOptions starting with -g, -f, -m, -O, -W, or --param are automatically\n\ |
3060 | passed on to the various sub-processes invoked by %s. In order to pass\n\ | |
3061 | other options on to these processes the -W<letter> options must be used.\n\ | |
0c386769 | 3062 | "), programname); |
b8468bc7 NC |
3063 | |
3064 | /* The rest of the options are displayed by invocations of the various | |
3065 | sub-processes. */ | |
3066 | } | |
3067 | ||
9218435e | 3068 | static void |
1d088dee | 3069 | add_preprocessor_option (const char *option, int len) |
9218435e | 3070 | { |
878f32c3 | 3071 | n_preprocessor_options++; |
9218435e | 3072 | |
878f32c3 | 3073 | if (! preprocessor_options) |
703ad42b | 3074 | preprocessor_options = xmalloc (n_preprocessor_options * sizeof (char *)); |
878f32c3 | 3075 | else |
703ad42b KG |
3076 | preprocessor_options = xrealloc (preprocessor_options, |
3077 | n_preprocessor_options * sizeof (char *)); | |
9218435e | 3078 | |
878f32c3 KG |
3079 | preprocessor_options [n_preprocessor_options - 1] = |
3080 | save_string (option, len); | |
40f943dd | 3081 | } |
9218435e KH |
3082 | |
3083 | static void | |
1d088dee | 3084 | add_assembler_option (const char *option, int len) |
878f32c3 KG |
3085 | { |
3086 | n_assembler_options++; | |
3087 | ||
3088 | if (! assembler_options) | |
703ad42b | 3089 | assembler_options = xmalloc (n_assembler_options * sizeof (char *)); |
878f32c3 | 3090 | else |
703ad42b KG |
3091 | assembler_options = xrealloc (assembler_options, |
3092 | n_assembler_options * sizeof (char *)); | |
878f32c3 KG |
3093 | |
3094 | assembler_options [n_assembler_options - 1] = save_string (option, len); | |
b8468bc7 | 3095 | } |
9218435e KH |
3096 | |
3097 | static void | |
1d088dee | 3098 | add_linker_option (const char *option, int len) |
878f32c3 KG |
3099 | { |
3100 | n_linker_options++; | |
3101 | ||
3102 | if (! linker_options) | |
703ad42b | 3103 | linker_options = xmalloc (n_linker_options * sizeof (char *)); |
878f32c3 | 3104 | else |
703ad42b KG |
3105 | linker_options = xrealloc (linker_options, |
3106 | n_linker_options * sizeof (char *)); | |
878f32c3 KG |
3107 | |
3108 | linker_options [n_linker_options - 1] = save_string (option, len); | |
40f943dd | 3109 | } |
853e0b2d | 3110 | \f |
ed1f651b RS |
3111 | /* Create the vector `switches' and its contents. |
3112 | Store its length in `n_switches'. */ | |
3113 | ||
3114 | static void | |
e451301f | 3115 | process_command (int argc, const char **argv) |
ed1f651b | 3116 | { |
b3694847 | 3117 | int i; |
878f32c3 KG |
3118 | const char *temp; |
3119 | char *temp1; | |
fbd40359 | 3120 | const char *spec_lang = 0; |
ed1f651b | 3121 | int last_language_n_infiles; |
f2cf3e1e | 3122 | int have_c = 0; |
3a265431 | 3123 | int lang_n_infiles = 0; |
dc36ec2c RK |
3124 | #ifdef MODIFY_TARGET_NAME |
3125 | int is_modify_target_name; | |
2e59adac | 3126 | int j; |
dc36ec2c | 3127 | #endif |
ed1f651b | 3128 | |
2f8dd115 | 3129 | GET_ENVIRONMENT (gcc_exec_prefix, "GCC_EXEC_PREFIX"); |
8eebb258 | 3130 | |
ed1f651b RS |
3131 | n_switches = 0; |
3132 | n_infiles = 0; | |
a2a05b0a | 3133 | added_libraries = 0; |
2484b6d2 | 3134 | |
53117a2f RK |
3135 | /* Figure compiler version from version string. */ |
3136 | ||
9218435e | 3137 | compiler_version = temp1 = xstrdup (version_string); |
ad85216e | 3138 | |
878f32c3 | 3139 | for (; *temp1; ++temp1) |
53117a2f | 3140 | { |
878f32c3 | 3141 | if (*temp1 == ' ') |
53117a2f | 3142 | { |
878f32c3 | 3143 | *temp1 = '\0'; |
53117a2f RK |
3144 | break; |
3145 | } | |
3146 | } | |
ed1f651b | 3147 | |
37a4aa31 GK |
3148 | /* If there is a -V or -b option (or both), process it now, before |
3149 | trying to interpret the rest of the command line. */ | |
3150 | if (argc > 1 && argv[1][0] == '-' | |
8c124730 | 3151 | && (argv[1][1] == 'V' || argv[1][1] == 'b')) |
37a4aa31 GK |
3152 | { |
3153 | const char *new_version = DEFAULT_TARGET_VERSION; | |
3154 | const char *new_machine = DEFAULT_TARGET_MACHINE; | |
ea16b5ee RS |
3155 | const char *progname = argv[0]; |
3156 | char **new_argv; | |
37a4aa31 GK |
3157 | char *new_argv0; |
3158 | int baselen; | |
1d088dee | 3159 | |
ea16b5ee RS |
3160 | while (argc > 1 && argv[1][0] == '-' |
3161 | && (argv[1][1] == 'V' || argv[1][1] == 'b')) | |
37a4aa31 | 3162 | { |
ea16b5ee | 3163 | char opt = argv[1][1]; |
37a4aa31 | 3164 | const char *arg; |
ea16b5ee | 3165 | if (argv[1][2] != '\0') |
37a4aa31 | 3166 | { |
ea16b5ee | 3167 | arg = argv[1] + 2; |
37a4aa31 | 3168 | argc -= 1; |
ea16b5ee | 3169 | argv += 1; |
37a4aa31 GK |
3170 | } |
3171 | else if (argc > 2) | |
3172 | { | |
ea16b5ee | 3173 | arg = argv[2]; |
37a4aa31 | 3174 | argc -= 2; |
ea16b5ee | 3175 | argv += 2; |
37a4aa31 GK |
3176 | } |
3177 | else | |
3178 | fatal ("`-%c' option must have argument", opt); | |
3179 | if (opt == 'V') | |
3180 | new_version = arg; | |
3181 | else | |
3182 | new_machine = arg; | |
3183 | } | |
3184 | ||
ea16b5ee RS |
3185 | for (baselen = strlen (progname); baselen > 0; baselen--) |
3186 | if (IS_DIR_SEPARATOR (progname[baselen-1])) | |
37a4aa31 | 3187 | break; |
1d088dee | 3188 | new_argv0 = xmemdup (progname, baselen, |
37a4aa31 GK |
3189 | baselen + concat_length (new_version, new_machine, |
3190 | "-gcc-", NULL) + 1); | |
3191 | strcpy (new_argv0 + baselen, new_machine); | |
3192 | strcat (new_argv0, "-gcc-"); | |
3193 | strcat (new_argv0, new_version); | |
3194 | ||
ea16b5ee RS |
3195 | new_argv = xmemdup (argv, (argc + 1) * sizeof (argv[0]), |
3196 | (argc + 1) * sizeof (argv[0])); | |
37a4aa31 GK |
3197 | new_argv[0] = new_argv0; |
3198 | ||
3199 | execvp (new_argv0, new_argv); | |
ea16b5ee | 3200 | fatal ("couldn't run `%s': %s", new_argv0, xstrerror (errno)); |
37a4aa31 GK |
3201 | } |
3202 | ||
0deb20df TT |
3203 | /* Set up the default search paths. If there is no GCC_EXEC_PREFIX, |
3204 | see if we can create it from the pathname specified in argv[0]. */ | |
3205 | ||
a8ee6e2d | 3206 | gcc_libexec_prefix = standard_libexec_prefix; |
0deb20df TT |
3207 | #ifndef VMS |
3208 | /* FIXME: make_relative_prefix doesn't yet work for VMS. */ | |
3209 | if (!gcc_exec_prefix) | |
3210 | { | |
3211 | gcc_exec_prefix = make_relative_prefix (argv[0], standard_bindir_prefix, | |
3212 | standard_exec_prefix); | |
a8ee6e2d GK |
3213 | gcc_libexec_prefix = make_relative_prefix (argv[0], |
3214 | standard_bindir_prefix, | |
3215 | standard_libexec_prefix); | |
0deb20df | 3216 | if (gcc_exec_prefix) |
d4f2852f | 3217 | putenv (concat ("GCC_EXEC_PREFIX=", gcc_exec_prefix, NULL)); |
0deb20df | 3218 | } |
a8ee6e2d GK |
3219 | else |
3220 | gcc_libexec_prefix = make_relative_prefix (gcc_exec_prefix, | |
3221 | standard_exec_prefix, | |
3222 | standard_libexec_prefix); | |
3223 | #else | |
0deb20df | 3224 | #endif |
ed1f651b | 3225 | |
8eebb258 | 3226 | if (gcc_exec_prefix) |
ed1f651b | 3227 | { |
6ed4bb9a | 3228 | int len = strlen (gcc_exec_prefix); |
c5c0b3d9 | 3229 | |
a8ee6e2d | 3230 | if (len > (int) sizeof ("/lib/gcc/") - 1 |
509781a4 | 3231 | && (IS_DIR_SEPARATOR (gcc_exec_prefix[len-1]))) |
6ed4bb9a | 3232 | { |
a8ee6e2d | 3233 | temp = gcc_exec_prefix + len - sizeof ("/lib/gcc/") + 1; |
509781a4 | 3234 | if (IS_DIR_SEPARATOR (*temp) |
d25a45d4 | 3235 | && strncmp (temp + 1, "lib", 3) == 0 |
509781a4 | 3236 | && IS_DIR_SEPARATOR (temp[4]) |
c5ef564b | 3237 | && strncmp (temp + 5, "gcc", 3) == 0) |
a8ee6e2d | 3238 | len -= sizeof ("/lib/gcc/") - 1; |
6ed4bb9a MM |
3239 | } |
3240 | ||
3241 | set_std_prefix (gcc_exec_prefix, len); | |
a8ee6e2d | 3242 | add_prefix (&exec_prefixes, gcc_libexec_prefix, "GCC", |
5bbcd587 | 3243 | PREFIX_PRIORITY_LAST, 0, NULL, 0); |
922a4beb | 3244 | add_prefix (&startfile_prefixes, gcc_exec_prefix, "GCC", |
5bbcd587 | 3245 | PREFIX_PRIORITY_LAST, 0, NULL, 0); |
ed1f651b RS |
3246 | } |
3247 | ||
3248 | /* COMPILER_PATH and LIBRARY_PATH have values | |
3249 | that are lists of directory names with colons. */ | |
3250 | ||
2f8dd115 | 3251 | GET_ENVIRONMENT (temp, "COMPILER_PATH"); |
ed1f651b RS |
3252 | if (temp) |
3253 | { | |
878f32c3 | 3254 | const char *startp, *endp; |
703ad42b | 3255 | char *nstore = alloca (strlen (temp) + 3); |
ed1f651b RS |
3256 | |
3257 | startp = endp = temp; | |
3258 | while (1) | |
3259 | { | |
f6ec7e54 | 3260 | if (*endp == PATH_SEPARATOR || *endp == 0) |
ed1f651b | 3261 | { |
d25a45d4 | 3262 | strncpy (nstore, startp, endp - startp); |
ed1f651b | 3263 | if (endp == startp) |
d4f2852f | 3264 | strcpy (nstore, concat (".", dir_separator_str, NULL)); |
509781a4 | 3265 | else if (!IS_DIR_SEPARATOR (endp[-1])) |
ed1f651b | 3266 | { |
d25a45d4 KH |
3267 | nstore[endp - startp] = DIR_SEPARATOR; |
3268 | nstore[endp - startp + 1] = 0; | |
ed1f651b RS |
3269 | } |
3270 | else | |
d25a45d4 | 3271 | nstore[endp - startp] = 0; |
922a4beb | 3272 | add_prefix (&exec_prefixes, nstore, 0, |
5bbcd587 | 3273 | PREFIX_PRIORITY_LAST, 0, NULL, 0); |
aa32d841 | 3274 | add_prefix (&include_prefixes, |
d4f2852f | 3275 | concat (nstore, "include", NULL), |
5bbcd587 | 3276 | 0, PREFIX_PRIORITY_LAST, 0, NULL, 0); |
ed1f651b RS |
3277 | if (*endp == 0) |
3278 | break; | |
3279 | endp = startp = endp + 1; | |
3280 | } | |
3281 | else | |
3282 | endp++; | |
3283 | } | |
3284 | } | |
3285 | ||
2f8dd115 | 3286 | GET_ENVIRONMENT (temp, LIBRARY_PATH_ENV); |
fcc9ad83 | 3287 | if (temp && *cross_compile == '0') |
ed1f651b | 3288 | { |
878f32c3 | 3289 | const char *startp, *endp; |
703ad42b | 3290 | char *nstore = alloca (strlen (temp) + 3); |
ed1f651b RS |
3291 | |
3292 | startp = endp = temp; | |
3293 | while (1) | |
3294 | { | |
f6ec7e54 | 3295 | if (*endp == PATH_SEPARATOR || *endp == 0) |
ed1f651b | 3296 | { |
d25a45d4 | 3297 | strncpy (nstore, startp, endp - startp); |
ed1f651b | 3298 | if (endp == startp) |
d4f2852f | 3299 | strcpy (nstore, concat (".", dir_separator_str, NULL)); |
509781a4 | 3300 | else if (!IS_DIR_SEPARATOR (endp[-1])) |
ed1f651b | 3301 | { |
d25a45d4 KH |
3302 | nstore[endp - startp] = DIR_SEPARATOR; |
3303 | nstore[endp - startp + 1] = 0; | |
ed1f651b RS |
3304 | } |
3305 | else | |
d25a45d4 | 3306 | nstore[endp - startp] = 0; |
6496a589 | 3307 | add_prefix (&startfile_prefixes, nstore, NULL, |
5bbcd587 | 3308 | PREFIX_PRIORITY_LAST, 0, NULL, 1); |
ed1f651b RS |
3309 | if (*endp == 0) |
3310 | break; | |
3311 | endp = startp = endp + 1; | |
3312 | } | |
3313 | else | |
3314 | endp++; | |
3315 | } | |
3316 | } | |
3317 | ||
3318 | /* Use LPATH like LIBRARY_PATH (for the CMU build program). */ | |
2f8dd115 | 3319 | GET_ENVIRONMENT (temp, "LPATH"); |
fcc9ad83 | 3320 | if (temp && *cross_compile == '0') |
ed1f651b | 3321 | { |
878f32c3 | 3322 | const char *startp, *endp; |
703ad42b | 3323 | char *nstore = alloca (strlen (temp) + 3); |
ed1f651b RS |
3324 | |
3325 | startp = endp = temp; | |
3326 | while (1) | |
3327 | { | |
f6ec7e54 | 3328 | if (*endp == PATH_SEPARATOR || *endp == 0) |
ed1f651b | 3329 | { |
d25a45d4 | 3330 | strncpy (nstore, startp, endp - startp); |
ed1f651b | 3331 | if (endp == startp) |
d4f2852f | 3332 | strcpy (nstore, concat (".", dir_separator_str, NULL)); |
509781a4 | 3333 | else if (!IS_DIR_SEPARATOR (endp[-1])) |
ed1f651b | 3334 | { |
d25a45d4 KH |
3335 | nstore[endp - startp] = DIR_SEPARATOR; |
3336 | nstore[endp - startp + 1] = 0; | |
ed1f651b RS |
3337 | } |
3338 | else | |
d25a45d4 | 3339 | nstore[endp - startp] = 0; |
6496a589 | 3340 | add_prefix (&startfile_prefixes, nstore, NULL, |
5bbcd587 | 3341 | PREFIX_PRIORITY_LAST, 0, NULL, 1); |
ed1f651b RS |
3342 | if (*endp == 0) |
3343 | break; | |
3344 | endp = startp = endp + 1; | |
3345 | } | |
3346 | else | |
3347 | endp++; | |
3348 | } | |
3349 | } | |
3350 | ||
f2faf549 | 3351 | /* Convert new-style -- options to old-style. */ |
e451301f | 3352 | translate_options (&argc, (const char *const **) &argv); |
f2faf549 | 3353 | |
610c62ac | 3354 | /* Do language-specific adjustment/addition of flags. */ |
e451301f | 3355 | lang_specific_driver (&argc, (const char *const **) &argv, &added_libraries); |
610c62ac | 3356 | |
ed1f651b RS |
3357 | /* Scan argv twice. Here, the first time, just count how many switches |
3358 | there will be in their vector, and how many input files in theirs. | |
3359 | Here we also parse the switches that cc itself uses (e.g. -v). */ | |
3360 | ||
3361 | for (i = 1; i < argc; i++) | |
3362 | { | |
3363 | if (! strcmp (argv[i], "-dumpspecs")) | |
3364 | { | |
79aff5ac | 3365 | struct spec_list *sl; |
03fc1620 | 3366 | init_spec (); |
79aff5ac MM |
3367 | for (sl = specs; sl; sl = sl->next) |
3368 | printf ("*%s:\n%s\n\n", sl->name, *(sl->ptr_spec)); | |
d25a45d4 KH |
3369 | if (link_command_spec) |
3370 | printf ("*link_command:\n%s\n\n", link_command_spec); | |
ed1f651b RS |
3371 | exit (0); |
3372 | } | |
3373 | else if (! strcmp (argv[i], "-dumpversion")) | |
3374 | { | |
e5e809f4 | 3375 | printf ("%s\n", spec_version); |
ed1f651b RS |
3376 | exit (0); |
3377 | } | |
9b783fc9 RK |
3378 | else if (! strcmp (argv[i], "-dumpmachine")) |
3379 | { | |
3380 | printf ("%s\n", spec_machine); | |
d25a45d4 | 3381 | exit (0); |
9b783fc9 | 3382 | } |
3f595aa1 JM |
3383 | else if (strcmp (argv[i], "-fversion") == 0) |
3384 | { | |
3385 | /* translate_options () has turned --version into -fversion. */ | |
3386 | printf (_("%s (GCC) %s\n"), programname, version_string); | |
9f76f909 KH |
3387 | printf ("Copyright %s 2004 Free Software Foundation, Inc.\n", |
3388 | _("(C)")); | |
3f595aa1 JM |
3389 | fputs (_("This is free software; see the source for copying conditions. There is NO\n\ |
3390 | warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.\n\n"), | |
3391 | stdout); | |
3392 | exit (0); | |
3393 | } | |
b8468bc7 NC |
3394 | else if (strcmp (argv[i], "-fhelp") == 0) |
3395 | { | |
3396 | /* translate_options () has turned --help into -fhelp. */ | |
3397 | print_help_list = 1; | |
3398 | ||
3399 | /* We will be passing a dummy file on to the sub-processes. */ | |
3400 | n_infiles++; | |
3401 | n_switches++; | |
9218435e | 3402 | |
69927b59 NB |
3403 | /* CPP driver cannot obtain switch from cc1_options. */ |
3404 | if (is_cpp_driver) | |
3405 | add_preprocessor_option ("--help", 6); | |
b8468bc7 NC |
3406 | add_assembler_option ("--help", 6); |
3407 | add_linker_option ("--help", 6); | |
3408 | } | |
91606ce2 | 3409 | else if (strcmp (argv[i], "-ftarget-help") == 0) |
589005ff KH |
3410 | { |
3411 | /* translate_options() has turned --target-help into -ftarget-help. */ | |
3412 | target_help_flag = 1; | |
91606ce2 | 3413 | |
589005ff KH |
3414 | /* We will be passing a dummy file on to the sub-processes. */ |
3415 | n_infiles++; | |
3416 | n_switches++; | |
91606ce2 | 3417 | |
69927b59 NB |
3418 | /* CPP driver cannot obtain switch from cc1_options. */ |
3419 | if (is_cpp_driver) | |
3420 | add_preprocessor_option ("--target-help", 13); | |
589005ff KH |
3421 | add_assembler_option ("--target-help", 13); |
3422 | add_linker_option ("--target-help", 13); | |
3423 | } | |
14a774a9 RK |
3424 | else if (! strcmp (argv[i], "-pass-exit-codes")) |
3425 | { | |
3426 | pass_exit_codes = 1; | |
3427 | n_switches++; | |
3428 | } | |
2628b9d3 DE |
3429 | else if (! strcmp (argv[i], "-print-search-dirs")) |
3430 | print_search_dirs = 1; | |
2dcb563f | 3431 | else if (! strcmp (argv[i], "-print-libgcc-file-name")) |
2628b9d3 | 3432 | print_file_name = "libgcc.a"; |
6a9e290e | 3433 | else if (! strncmp (argv[i], "-print-file-name=", 17)) |
2628b9d3 | 3434 | print_file_name = argv[i] + 17; |
6a9e290e | 3435 | else if (! strncmp (argv[i], "-print-prog-name=", 17)) |
2628b9d3 | 3436 | print_prog_name = argv[i] + 17; |
60103a34 DE |
3437 | else if (! strcmp (argv[i], "-print-multi-lib")) |
3438 | print_multi_lib = 1; | |
3439 | else if (! strcmp (argv[i], "-print-multi-directory")) | |
3440 | print_multi_directory = 1; | |
5bbcd587 JJ |
3441 | else if (! strcmp (argv[i], "-print-multi-os-directory")) |
3442 | print_multi_os_directory = 1; | |
c9ebacb8 RS |
3443 | else if (! strncmp (argv[i], "-Wa,", 4)) |
3444 | { | |
3445 | int prev, j; | |
3446 | /* Pass the rest of this option to the assembler. */ | |
3447 | ||
c9ebacb8 RS |
3448 | /* Split the argument at commas. */ |
3449 | prev = 4; | |
3450 | for (j = 4; argv[i][j]; j++) | |
3451 | if (argv[i][j] == ',') | |
3452 | { | |
b8468bc7 | 3453 | add_assembler_option (argv[i] + prev, j - prev); |
c9ebacb8 RS |
3454 | prev = j + 1; |
3455 | } | |
9218435e | 3456 | |
c9ebacb8 | 3457 | /* Record the part after the last comma. */ |
b8468bc7 | 3458 | add_assembler_option (argv[i] + prev, j - prev); |
c9ebacb8 | 3459 | } |
57cb9b60 JW |
3460 | else if (! strncmp (argv[i], "-Wp,", 4)) |
3461 | { | |
3462 | int prev, j; | |
3463 | /* Pass the rest of this option to the preprocessor. */ | |
3464 | ||
57cb9b60 JW |
3465 | /* Split the argument at commas. */ |
3466 | prev = 4; | |
3467 | for (j = 4; argv[i][j]; j++) | |
3468 | if (argv[i][j] == ',') | |
3469 | { | |
b8468bc7 | 3470 | add_preprocessor_option (argv[i] + prev, j - prev); |
57cb9b60 JW |
3471 | prev = j + 1; |
3472 | } | |
9218435e | 3473 | |
57cb9b60 | 3474 | /* Record the part after the last comma. */ |
b8468bc7 | 3475 | add_preprocessor_option (argv[i] + prev, j - prev); |
57cb9b60 | 3476 | } |
301a5c0b | 3477 | else if (argv[i][0] == '+' && argv[i][1] == 'e') |
f2faf549 | 3478 | /* The +e options to the C++ front-end. */ |
301a5c0b | 3479 | n_switches++; |
368dfd3a | 3480 | else if (strncmp (argv[i], "-Wl,", 4) == 0) |
9b226f90 TG |
3481 | { |
3482 | int j; | |
3483 | /* Split the argument at commas. */ | |
3484 | for (j = 3; argv[i][j]; j++) | |
3485 | n_infiles += (argv[i][j] == ','); | |
3486 | } | |
368dfd3a TG |
3487 | else if (strcmp (argv[i], "-Xlinker") == 0) |
3488 | { | |
3489 | if (i + 1 == argc) | |
3490 | fatal ("argument to `-Xlinker' is missing"); | |
3491 | ||
4275c4c4 JS |
3492 | n_infiles++; |
3493 | i++; | |
3494 | } | |
4977bab6 ZW |
3495 | else if (strcmp (argv[i], "-Xpreprocessor") == 0) |
3496 | { | |
3497 | if (i + 1 == argc) | |
3498 | fatal ("argument to `-Xpreprocessor' is missing"); | |
3499 | ||
3500 | add_preprocessor_option (argv[i+1], strlen (argv[i+1])); | |
3501 | } | |
3502 | else if (strcmp (argv[i], "-Xassembler") == 0) | |
3503 | { | |
3504 | if (i + 1 == argc) | |
3505 | fatal ("argument to `-Xassembler' is missing"); | |
3506 | ||
3507 | add_assembler_option (argv[i+1], strlen (argv[i+1])); | |
3508 | } | |
4275c4c4 JS |
3509 | else if (strcmp (argv[i], "-l") == 0) |
3510 | { | |
3511 | if (i + 1 == argc) | |
3512 | fatal ("argument to `-l' is missing"); | |
3513 | ||
368dfd3a TG |
3514 | n_infiles++; |
3515 | i++; | |
3516 | } | |
3517 | else if (strncmp (argv[i], "-l", 2) == 0) | |
3518 | n_infiles++; | |
3a265431 DE |
3519 | else if (strcmp (argv[i], "-save-temps") == 0) |
3520 | { | |
3521 | save_temps_flag = 1; | |
3522 | n_switches++; | |
3523 | } | |
0855eab7 CT |
3524 | else if (strcmp (argv[i], "-combine") == 0) |
3525 | { | |
3526 | combine_flag = 1; | |
3527 | n_switches++; | |
3528 | } | |
d9ac3a07 MM |
3529 | else if (strcmp (argv[i], "-specs") == 0) |
3530 | { | |
703ad42b | 3531 | struct user_specs *user = xmalloc (sizeof (struct user_specs)); |
d9ac3a07 MM |
3532 | if (++i >= argc) |
3533 | fatal ("argument to `-specs' is missing"); | |
3534 | ||
9218435e | 3535 | user->next = (struct user_specs *) 0; |
d9ac3a07 MM |
3536 | user->filename = argv[i]; |
3537 | if (user_specs_tail) | |
3538 | user_specs_tail->next = user; | |
3539 | else | |
3540 | user_specs_head = user; | |
3541 | user_specs_tail = user; | |
3542 | } | |
3543 | else if (strncmp (argv[i], "-specs=", 7) == 0) | |
3544 | { | |
703ad42b | 3545 | struct user_specs *user = xmalloc (sizeof (struct user_specs)); |
d9ac3a07 MM |
3546 | if (strlen (argv[i]) == 7) |
3547 | fatal ("argument to `-specs=' is missing"); | |
3548 | ||
9218435e | 3549 | user->next = (struct user_specs *) 0; |
d25a45d4 | 3550 | user->filename = argv[i] + 7; |
d9ac3a07 MM |
3551 | if (user_specs_tail) |
3552 | user_specs_tail->next = user; | |
3553 | else | |
3554 | user_specs_head = user; | |
3555 | user_specs_tail = user; | |
3556 | } | |
03c41c05 ZW |
3557 | else if (strcmp (argv[i], "-time") == 0) |
3558 | report_times = 1; | |
4977bab6 ZW |
3559 | else if (strcmp (argv[i], "-pipe") == 0) |
3560 | { | |
3561 | /* -pipe has to go into the switches array as well as | |
3562 | setting a flag. */ | |
3563 | use_pipes = 1; | |
3564 | n_switches++; | |
3565 | } | |
99f78cdd IR |
3566 | else if (strcmp (argv[i], "-###") == 0) |
3567 | { | |
3568 | /* This is similar to -v except that there is no execution | |
3569 | of the commands and the echoed arguments are quoted. It | |
3570 | is intended for use in shell scripts to capture the | |
3571 | driver-generated command line. */ | |
3572 | verbose_only_flag++; | |
3573 | verbose_flag++; | |
3574 | } | |
368dfd3a | 3575 | else if (argv[i][0] == '-' && argv[i][1] != 0) |
ed1f651b | 3576 | { |
b3694847 SS |
3577 | const char *p = &argv[i][1]; |
3578 | int c = *p; | |
ed1f651b RS |
3579 | |
3580 | switch (c) | |
3581 | { | |
3582 | case 'b': | |
37a4aa31 GK |
3583 | case 'V': |
3584 | fatal ("`-%c' must come at the start of the command line", c); | |
ed1f651b RS |
3585 | break; |
3586 | ||
3587 | case 'B': | |
3588 | { | |
fbd40359 | 3589 | const char *value; |
07804c3b NC |
3590 | int len; |
3591 | ||
ed1f651b RS |
3592 | if (p[1] == 0 && i + 1 == argc) |
3593 | fatal ("argument to `-B' is missing"); | |
3594 | if (p[1] == 0) | |
3595 | value = argv[++i]; | |
3596 | else | |
3597 | value = p + 1; | |
07804c3b NC |
3598 | |
3599 | len = strlen (value); | |
3600 | ||
3601 | /* Catch the case where the user has forgotten to append a | |
cc712abf | 3602 | directory separator to the path. Note, they may be using |
07804c3b NC |
3603 | -B to add an executable name prefix, eg "i386-elf-", in |
3604 | order to distinguish between multiple installations of | |
3605 | GCC in the same directory. Hence we must check to see | |
3606 | if appending a directory separator actually makes a | |
3607 | valid directory name. */ | |
3608 | if (! IS_DIR_SEPARATOR (value [len - 1]) | |
3609 | && is_directory (value, "", 0)) | |
3610 | { | |
bbed13b1 KG |
3611 | char *tmp = xmalloc (len + 2); |
3612 | strcpy (tmp, value); | |
3613 | tmp[len] = DIR_SEPARATOR; | |
3614 | tmp[++ len] = 0; | |
3615 | value = tmp; | |
07804c3b | 3616 | } |
589005ff | 3617 | |
07804c3b NC |
3618 | /* As a kludge, if the arg is "[foo/]stageN/", just |
3619 | add "[foo/]include" to the include prefix. */ | |
3620 | if ((len == 7 | |
3621 | || (len > 7 | |
3622 | && (IS_DIR_SEPARATOR (value[len - 8])))) | |
3623 | && strncmp (value + len - 7, "stage", 5) == 0 | |
3624 | && ISDIGIT (value[len - 2]) | |
3625 | && (IS_DIR_SEPARATOR (value[len - 1]))) | |
3626 | { | |
3627 | if (len == 7) | |
3628 | add_prefix (&include_prefixes, "include", NULL, | |
5bbcd587 | 3629 | PREFIX_PRIORITY_B_OPT, 0, NULL, 0); |
07804c3b NC |
3630 | else |
3631 | { | |
3632 | char * string = xmalloc (len + 1); | |
3633 | ||
3634 | strncpy (string, value, len - 7); | |
3635 | strcpy (string + len - 7, "include"); | |
3636 | add_prefix (&include_prefixes, string, NULL, | |
5bbcd587 | 3637 | PREFIX_PRIORITY_B_OPT, 0, NULL, 0); |
07804c3b NC |
3638 | } |
3639 | } | |
3640 | ||
6496a589 | 3641 | add_prefix (&exec_prefixes, value, NULL, |
5bbcd587 | 3642 | PREFIX_PRIORITY_B_OPT, 0, &warn_B, 0); |
6496a589 | 3643 | add_prefix (&startfile_prefixes, value, NULL, |
5bbcd587 | 3644 | PREFIX_PRIORITY_B_OPT, 0, &warn_B, 0); |
d4f2852f | 3645 | add_prefix (&include_prefixes, concat (value, "include", NULL), |
5bbcd587 | 3646 | NULL, PREFIX_PRIORITY_B_OPT, 0, NULL, 0); |
d25a45d4 | 3647 | n_switches++; |
ed1f651b RS |
3648 | } |
3649 | break; | |
3650 | ||
3651 | case 'v': /* Print our subcommands and print versions. */ | |
ed1f651b | 3652 | n_switches++; |
8436fe35 RS |
3653 | /* If they do anything other than exactly `-v', don't set |
3654 | verbose_flag; rather, continue on to give the error. */ | |
3655 | if (p[1] != 0) | |
3656 | break; | |
3657 | verbose_flag++; | |
ed1f651b RS |
3658 | break; |
3659 | ||
88117d44 | 3660 | case 'S': |
3a265431 DE |
3661 | case 'c': |
3662 | if (p[1] == 0) | |
ed1f651b | 3663 | { |
3a265431 | 3664 | have_c = 1; |
8eebb258 | 3665 | n_switches++; |
ed1f651b RS |
3666 | break; |
3667 | } | |
5fc08cad | 3668 | goto normal_switch; |
f2cf3e1e | 3669 | |
f2cf3e1e | 3670 | case 'o': |
45936a85 | 3671 | #if defined(HAVE_TARGET_EXECUTABLE_SUFFIX) |
88117d44 NC |
3672 | if (! have_c) |
3673 | { | |
3674 | int skip; | |
9218435e | 3675 | |
88117d44 NC |
3676 | /* Forward scan, just in case -S or -c is specified |
3677 | after -o. */ | |
3678 | int j = i + 1; | |
3679 | if (p[1] == 0) | |
3680 | ++j; | |
3681 | while (j < argc) | |
3682 | { | |
3683 | if (argv[j][0] == '-') | |
3684 | { | |
3685 | if (SWITCH_CURTAILS_COMPILATION (argv[j][1]) | |
3686 | && argv[j][2] == 0) | |
3687 | { | |
3688 | have_c = 1; | |
3689 | break; | |
3690 | } | |
caa297fe | 3691 | else if ((skip = SWITCH_TAKES_ARG (argv[j][1]))) |
88117d44 | 3692 | j += skip - (argv[j][2] != 0); |
caa297fe | 3693 | else if ((skip = WORD_SWITCH_TAKES_ARG (argv[j] + 1))) |
88117d44 NC |
3694 | j += skip; |
3695 | } | |
3696 | j++; | |
3697 | } | |
3698 | } | |
3699 | #endif | |
45936a85 | 3700 | #if defined(HAVE_TARGET_EXECUTABLE_SUFFIX) || defined(HAVE_TARGET_OBJECT_SUFFIX) |
853e0b2d | 3701 | if (p[1] == 0) |
a9657ce8 | 3702 | argv[i + 1] = convert_filename (argv[i + 1], ! have_c, 0); |
88117d44 | 3703 | else |
a9657ce8 | 3704 | argv[i] = convert_filename (argv[i], ! have_c, 0); |
853e0b2d | 3705 | #endif |
5fc08cad | 3706 | goto normal_switch; |
f2cf3e1e | 3707 | |
ed1f651b | 3708 | default: |
5fc08cad | 3709 | normal_switch: |
dc36ec2c RK |
3710 | |
3711 | #ifdef MODIFY_TARGET_NAME | |
3712 | is_modify_target_name = 0; | |
3713 | ||
ca7558fc | 3714 | for (j = 0; j < ARRAY_SIZE (modify_target); j++) |
dc36ec2c RK |
3715 | if (! strcmp (argv[i], modify_target[j].sw)) |
3716 | { | |
703ad42b KG |
3717 | char *new_name = xmalloc (strlen (modify_target[j].str) |
3718 | + strlen (spec_machine)); | |
dc36ec2c RK |
3719 | const char *p, *r; |
3720 | char *q; | |
3721 | int made_addition = 0; | |
3722 | ||
3723 | is_modify_target_name = 1; | |
3724 | for (p = spec_machine, q = new_name; *p != 0; ) | |
3725 | { | |
3726 | if (modify_target[j].add_del == DELETE | |
3727 | && (! strncmp (q, modify_target[j].str, | |
3728 | strlen (modify_target[j].str)))) | |
3729 | p += strlen (modify_target[j].str); | |
3730 | else if (modify_target[j].add_del == ADD | |
3731 | && ! made_addition && *p == '-') | |
3732 | { | |
3733 | for (r = modify_target[j].str; *r != 0; ) | |
3734 | *q++ = *r++; | |
3735 | made_addition = 1; | |
3736 | } | |
3737 | ||
3738 | *q++ = *p++; | |
3739 | } | |
3740 | ||
3741 | spec_machine = new_name; | |
3742 | } | |
3743 | ||
3744 | if (is_modify_target_name) | |
3745 | break; | |
589005ff | 3746 | #endif |
dc36ec2c | 3747 | |
ed1f651b RS |
3748 | n_switches++; |
3749 | ||
3750 | if (SWITCH_TAKES_ARG (c) > (p[1] != 0)) | |
3751 | i += SWITCH_TAKES_ARG (c) - (p[1] != 0); | |
3752 | else if (WORD_SWITCH_TAKES_ARG (p)) | |
3753 | i += WORD_SWITCH_TAKES_ARG (p); | |
3754 | } | |
3755 | } | |
3756 | else | |
3a265431 DE |
3757 | { |
3758 | n_infiles++; | |
3759 | lang_n_infiles++; | |
3760 | } | |
ed1f651b RS |
3761 | } |
3762 | ||
4977bab6 ZW |
3763 | if ((save_temps_flag || report_times) && use_pipes) |
3764 | { | |
3765 | /* -save-temps overrides -pipe, so that temp files are produced */ | |
3766 | if (save_temps_flag) | |
3767 | error ("warning: -pipe ignored because -save-temps specified"); | |
3768 | /* -time overrides -pipe because we can't get correct stats when | |
3769 | multiple children are running at once. */ | |
3770 | else if (report_times) | |
3771 | error ("warning: -pipe ignored because -time specified"); | |
3772 | ||
3773 | use_pipes = 0; | |
3774 | } | |
1d088dee | 3775 | |
ed1f651b RS |
3776 | /* Set up the search paths before we go looking for config files. */ |
3777 | ||
3778 | /* These come before the md prefixes so that we will find gcc's subcommands | |
3779 | (such as cpp) rather than those of the host system. */ | |
ae04227b CH |
3780 | /* Use 2 as fourth arg meaning try just the machine as a suffix, |
3781 | as well as trying the machine and the version. */ | |
48ff801b | 3782 | #ifndef OS2 |
a8ee6e2d | 3783 | add_prefix (&exec_prefixes, standard_libexec_prefix, "GCC", |
5bbcd587 | 3784 | PREFIX_PRIORITY_LAST, 1, warn_std_ptr, 0); |
a8ee6e2d GK |
3785 | add_prefix (&exec_prefixes, standard_libexec_prefix, "BINUTILS", |
3786 | PREFIX_PRIORITY_LAST, 2, warn_std_ptr, 0); | |
e9a25f70 | 3787 | add_prefix (&exec_prefixes, standard_exec_prefix, "BINUTILS", |
5bbcd587 | 3788 | PREFIX_PRIORITY_LAST, 2, warn_std_ptr, 0); |
e9a25f70 | 3789 | add_prefix (&exec_prefixes, standard_exec_prefix_1, "BINUTILS", |
5bbcd587 | 3790 | PREFIX_PRIORITY_LAST, 2, warn_std_ptr, 0); |
a8ee6e2d GK |
3791 | add_prefix (&exec_prefixes, standard_exec_prefix_2, "BINUTILS", |
3792 | PREFIX_PRIORITY_LAST, 2, warn_std_ptr, 0); | |
48ff801b | 3793 | #endif |
ed1f651b | 3794 | |
e9a25f70 | 3795 | add_prefix (&startfile_prefixes, standard_exec_prefix, "BINUTILS", |
5bbcd587 | 3796 | PREFIX_PRIORITY_LAST, 1, warn_std_ptr, 0); |
a8ee6e2d | 3797 | add_prefix (&startfile_prefixes, standard_exec_prefix_2, "BINUTILS", |
5bbcd587 | 3798 | PREFIX_PRIORITY_LAST, 1, warn_std_ptr, 0); |
ed1f651b | 3799 | |
9218435e | 3800 | tooldir_prefix = concat (tooldir_base_prefix, spec_machine, |
d4f2852f | 3801 | dir_separator_str, NULL); |
c648ab8a | 3802 | |
48ff801b | 3803 | /* If tooldir is relative, base it on exec_prefixes. A relative |
c648ab8a RS |
3804 | tooldir lets us move the installed tree as a unit. |
3805 | ||
3806 | If GCC_EXEC_PREFIX is defined, then we want to add two relative | |
3807 | directories, so that we can search both the user specified directory | |
3808 | and the standard place. */ | |
3809 | ||
3dce1408 | 3810 | if (!IS_ABSOLUTE_PATH (tooldir_prefix)) |
c648ab8a RS |
3811 | { |
3812 | if (gcc_exec_prefix) | |
3813 | { | |
3814 | char *gcc_exec_tooldir_prefix | |
6aa62cff | 3815 | = concat (gcc_exec_prefix, spec_machine, dir_separator_str, |
d4f2852f | 3816 | spec_version, dir_separator_str, tooldir_prefix, NULL); |
c648ab8a | 3817 | |
48ff801b | 3818 | add_prefix (&exec_prefixes, |
9218435e | 3819 | concat (gcc_exec_tooldir_prefix, "bin", |
d4f2852f | 3820 | dir_separator_str, NULL), |
5bbcd587 | 3821 | NULL, PREFIX_PRIORITY_LAST, 0, NULL, 0); |
48ff801b | 3822 | add_prefix (&startfile_prefixes, |
9218435e | 3823 | concat (gcc_exec_tooldir_prefix, "lib", |
d4f2852f | 3824 | dir_separator_str, NULL), |
5bbcd587 | 3825 | NULL, PREFIX_PRIORITY_LAST, 0, NULL, 1); |
c648ab8a RS |
3826 | } |
3827 | ||
6aa62cff | 3828 | tooldir_prefix = concat (standard_exec_prefix, spec_machine, |
9218435e | 3829 | dir_separator_str, spec_version, |
d4f2852f | 3830 | dir_separator_str, tooldir_prefix, NULL); |
c648ab8a RS |
3831 | } |
3832 | ||
9218435e | 3833 | add_prefix (&exec_prefixes, |
d4f2852f | 3834 | concat (tooldir_prefix, "bin", dir_separator_str, NULL), |
5bbcd587 | 3835 | "BINUTILS", PREFIX_PRIORITY_LAST, 0, NULL, 0); |
48ff801b | 3836 | add_prefix (&startfile_prefixes, |
d4f2852f | 3837 | concat (tooldir_prefix, "lib", dir_separator_str, NULL), |
5bbcd587 | 3838 | "BINUTILS", PREFIX_PRIORITY_LAST, 0, NULL, 1); |
f18fd956 | 3839 | |
047d636f DJ |
3840 | #if defined(TARGET_SYSTEM_ROOT_RELOCATABLE) && !defined(VMS) |
3841 | /* If the normal TARGET_SYSTEM_ROOT is inside of $exec_prefix, | |
3842 | then consider it to relocate with the rest of the GCC installation | |
3843 | if GCC_EXEC_PREFIX is set. | |
3844 | ``make_relative_prefix'' is not compiled for VMS, so don't call it. */ | |
4977bab6 ZW |
3845 | if (target_system_root && gcc_exec_prefix) |
3846 | { | |
3847 | char *tmp_prefix = make_relative_prefix (argv[0], | |
3848 | standard_bindir_prefix, | |
3849 | target_system_root); | |
3850 | if (tmp_prefix && access_check (tmp_prefix, F_OK) == 0) | |
047d636f DJ |
3851 | { |
3852 | target_system_root = tmp_prefix; | |
3853 | target_system_root_changed = 1; | |
3854 | } | |
4977bab6 | 3855 | } |
047d636f | 3856 | #endif |
4977bab6 | 3857 | |
004fd4d5 RS |
3858 | /* More prefixes are enabled in main, after we read the specs file |
3859 | and determine whether this is cross-compilation or not. */ | |
ed1f651b | 3860 | |
ed1f651b RS |
3861 | /* Then create the space for the vectors and scan again. */ |
3862 | ||
703ad42b KG |
3863 | switches = xmalloc ((n_switches + 1) * sizeof (struct switchstr)); |
3864 | infiles = xmalloc ((n_infiles + 1) * sizeof (struct infile)); | |
ed1f651b RS |
3865 | n_switches = 0; |
3866 | n_infiles = 0; | |
3867 | last_language_n_infiles = -1; | |
3868 | ||
3869 | /* This, time, copy the text of each switch and store a pointer | |
3870 | to the copy in the vector of switches. | |
3871 | Store all the infiles in their vector. */ | |
3872 | ||
3873 | for (i = 1; i < argc; i++) | |
3874 | { | |
2ef32c88 | 3875 | /* Just skip the switches that were handled by the preceding loop. */ |
dc36ec2c RK |
3876 | #ifdef MODIFY_TARGET_NAME |
3877 | is_modify_target_name = 0; | |
3878 | ||
ca7558fc | 3879 | for (j = 0; j < ARRAY_SIZE (modify_target); j++) |
dc36ec2c RK |
3880 | if (! strcmp (argv[i], modify_target[j].sw)) |
3881 | is_modify_target_name = 1; | |
3882 | ||
3883 | if (is_modify_target_name) | |
3884 | ; | |
3885 | else | |
3886 | #endif | |
368dfd3a | 3887 | if (! strncmp (argv[i], "-Wa,", 4)) |
2ef32c88 | 3888 | ; |
57cb9b60 JW |
3889 | else if (! strncmp (argv[i], "-Wp,", 4)) |
3890 | ; | |
14a774a9 RK |
3891 | else if (! strcmp (argv[i], "-pass-exit-codes")) |
3892 | ; | |
2628b9d3 DE |
3893 | else if (! strcmp (argv[i], "-print-search-dirs")) |
3894 | ; | |
2dcb563f | 3895 | else if (! strcmp (argv[i], "-print-libgcc-file-name")) |
2ef32c88 | 3896 | ; |
6a9e290e RK |
3897 | else if (! strncmp (argv[i], "-print-file-name=", 17)) |
3898 | ; | |
3899 | else if (! strncmp (argv[i], "-print-prog-name=", 17)) | |
3900 | ; | |
60103a34 DE |
3901 | else if (! strcmp (argv[i], "-print-multi-lib")) |
3902 | ; | |
3903 | else if (! strcmp (argv[i], "-print-multi-directory")) | |
3904 | ; | |
5bbcd587 JJ |
3905 | else if (! strcmp (argv[i], "-print-multi-os-directory")) |
3906 | ; | |
69927b59 NB |
3907 | else if (! strcmp (argv[i], "-ftarget-help")) |
3908 | ; | |
3909 | else if (! strcmp (argv[i], "-fhelp")) | |
3910 | ; | |
cc6fc442 RS |
3911 | else if (argv[i][0] == '+' && argv[i][1] == 'e') |
3912 | { | |
3913 | /* Compensate for the +e options to the C++ front-end; | |
a1c37766 | 3914 | they're there simply for cfront call-compatibility. We do |
cc6fc442 RS |
3915 | some magic in default_compilers to pass them down properly. |
3916 | Note we deliberately start at the `+' here, to avoid passing | |
3917 | -e0 or -e1 down into the linker. */ | |
3918 | switches[n_switches].part1 = &argv[i][0]; | |
3919 | switches[n_switches].args = 0; | |
8097c429 | 3920 | switches[n_switches].live_cond = SWITCH_OK; |
ab87f8c8 | 3921 | switches[n_switches].validated = 0; |
cc6fc442 RS |
3922 | n_switches++; |
3923 | } | |
368dfd3a TG |
3924 | else if (strncmp (argv[i], "-Wl,", 4) == 0) |
3925 | { | |
9b226f90 TG |
3926 | int prev, j; |
3927 | /* Split the argument at commas. */ | |
3928 | prev = 4; | |
3929 | for (j = 4; argv[i][j]; j++) | |
3930 | if (argv[i][j] == ',') | |
3931 | { | |
e5e809f4 | 3932 | infiles[n_infiles].language = "*"; |
9b226f90 TG |
3933 | infiles[n_infiles++].name |
3934 | = save_string (argv[i] + prev, j - prev); | |
3935 | prev = j + 1; | |
3936 | } | |
3937 | /* Record the part after the last comma. */ | |
e5e809f4 | 3938 | infiles[n_infiles].language = "*"; |
9b226f90 | 3939 | infiles[n_infiles++].name = argv[i] + prev; |
368dfd3a TG |
3940 | } |
3941 | else if (strcmp (argv[i], "-Xlinker") == 0) | |
3942 | { | |
e5e809f4 | 3943 | infiles[n_infiles].language = "*"; |
368dfd3a TG |
3944 | infiles[n_infiles++].name = argv[++i]; |
3945 | } | |
4977bab6 ZW |
3946 | else if (strcmp (argv[i], "-Xassembler") == 0) |
3947 | { | |
3948 | infiles[n_infiles].language = "*"; | |
3949 | infiles[n_infiles++].name = argv[++i]; | |
3950 | } | |
3951 | else if (strcmp (argv[i], "-Xpreprocessor") == 0) | |
3952 | { | |
3953 | infiles[n_infiles].language = "*"; | |
3954 | infiles[n_infiles++].name = argv[++i]; | |
3955 | } | |
4275c4c4 JS |
3956 | else if (strcmp (argv[i], "-l") == 0) |
3957 | { /* POSIX allows separation of -l and the lib arg; | |
3958 | canonicalize by concatenating -l with its arg */ | |
3959 | infiles[n_infiles].language = "*"; | |
d4f2852f | 3960 | infiles[n_infiles++].name = concat ("-l", argv[++i], NULL); |
4275c4c4 | 3961 | } |
368dfd3a TG |
3962 | else if (strncmp (argv[i], "-l", 2) == 0) |
3963 | { | |
e5e809f4 | 3964 | infiles[n_infiles].language = "*"; |
368dfd3a TG |
3965 | infiles[n_infiles++].name = argv[i]; |
3966 | } | |
d9ac3a07 MM |
3967 | else if (strcmp (argv[i], "-specs") == 0) |
3968 | i++; | |
3969 | else if (strncmp (argv[i], "-specs=", 7) == 0) | |
3970 | ; | |
03c41c05 ZW |
3971 | else if (strcmp (argv[i], "-time") == 0) |
3972 | ; | |
99f78cdd IR |
3973 | else if (strcmp (argv[i], "-###") == 0) |
3974 | ; | |
368dfd3a | 3975 | else if (argv[i][0] == '-' && argv[i][1] != 0) |
ed1f651b | 3976 | { |
fbd40359 ZW |
3977 | const char *p = &argv[i][1]; |
3978 | int c = *p; | |
ed1f651b | 3979 | |
ed1f651b RS |
3980 | if (c == 'x') |
3981 | { | |
3982 | if (p[1] == 0 && i + 1 == argc) | |
3983 | fatal ("argument to `-x' is missing"); | |
3984 | if (p[1] == 0) | |
3985 | spec_lang = argv[++i]; | |
3986 | else | |
3987 | spec_lang = p + 1; | |
3988 | if (! strcmp (spec_lang, "none")) | |
34dd3838 RK |
3989 | /* Suppress the warning if -xnone comes after the last input |
3990 | file, because alternate command interfaces like g++ might | |
3991 | find it useful to place -xnone after each input file. */ | |
ed1f651b RS |
3992 | spec_lang = 0; |
3993 | else | |
3994 | last_language_n_infiles = n_infiles; | |
3995 | continue; | |
3996 | } | |
3997 | switches[n_switches].part1 = p; | |
3998 | /* Deal with option arguments in separate argv elements. */ | |
3999 | if ((SWITCH_TAKES_ARG (c) > (p[1] != 0)) | |
14553b75 RS |
4000 | || WORD_SWITCH_TAKES_ARG (p)) |
4001 | { | |
4002 | int j = 0; | |
4003 | int n_args = WORD_SWITCH_TAKES_ARG (p); | |
ed1f651b | 4004 | |
14553b75 RS |
4005 | if (n_args == 0) |
4006 | { | |
4007 | /* Count only the option arguments in separate argv elements. */ | |
4008 | n_args = SWITCH_TAKES_ARG (c) - (p[1] != 0); | |
4009 | } | |
4010 | if (i + n_args >= argc) | |
4011 | fatal ("argument to `-%s' is missing", p); | |
4012 | switches[n_switches].args | |
703ad42b | 4013 | = xmalloc ((n_args + 1) * sizeof(const char *)); |
14553b75 RS |
4014 | while (j < n_args) |
4015 | switches[n_switches].args[j++] = argv[++i]; | |
4016 | /* Null-terminate the vector. */ | |
4017 | switches[n_switches].args[j] = 0; | |
ed1f651b | 4018 | } |
9473c522 | 4019 | else if (strchr (switches_need_spaces, c)) |
14553b75 | 4020 | { |
bb9da768 RK |
4021 | /* On some systems, ld cannot handle some options without |
4022 | a space. So split the option from its argument. */ | |
703ad42b | 4023 | char *part1 = xmalloc (2); |
bb9da768 RK |
4024 | part1[0] = c; |
4025 | part1[1] = '\0'; | |
9218435e | 4026 | |
bb9da768 | 4027 | switches[n_switches].part1 = part1; |
703ad42b | 4028 | switches[n_switches].args = xmalloc (2 * sizeof (const char *)); |
cb6edbcb | 4029 | switches[n_switches].args[0] = xstrdup (p+1); |
14553b75 RS |
4030 | switches[n_switches].args[1] = 0; |
4031 | } | |
4032 | else | |
ed1f651b | 4033 | switches[n_switches].args = 0; |
f5b0eb4e | 4034 | |
8097c429 | 4035 | switches[n_switches].live_cond = SWITCH_OK; |
ab87f8c8 | 4036 | switches[n_switches].validated = 0; |
9c1fcbfb | 4037 | switches[n_switches].ordering = 0; |
4977bab6 | 4038 | /* These are always valid, since gcc.c itself understands them. */ |
9db0819e RH |
4039 | if (!strcmp (p, "save-temps") |
4040 | || !strcmp (p, "static-libgcc") | |
4977bab6 ZW |
4041 | || !strcmp (p, "shared-libgcc") |
4042 | || !strcmp (p, "pipe")) | |
ab87f8c8 | 4043 | switches[n_switches].validated = 1; |
d25a45d4 KH |
4044 | else |
4045 | { | |
4046 | char ch = switches[n_switches].part1[0]; | |
37a4aa31 | 4047 | if (ch == 'B') |
d25a45d4 KH |
4048 | switches[n_switches].validated = 1; |
4049 | } | |
ed1f651b RS |
4050 | n_switches++; |
4051 | } | |
4052 | else | |
4053 | { | |
45936a85 | 4054 | #ifdef HAVE_TARGET_OBJECT_SUFFIX |
a9657ce8 | 4055 | argv[i] = convert_filename (argv[i], 0, access (argv[i], F_OK)); |
f70165f6 RK |
4056 | #endif |
4057 | ||
7257bbc6 | 4058 | if (strcmp (argv[i], "-") != 0 && access (argv[i], F_OK) < 0) |
48fb792a BK |
4059 | { |
4060 | perror_with_name (argv[i]); | |
4061 | error_count++; | |
4062 | } | |
4063 | else | |
4064 | { | |
4065 | infiles[n_infiles].language = spec_lang; | |
4066 | infiles[n_infiles++].name = argv[i]; | |
4067 | } | |
ed1f651b RS |
4068 | } |
4069 | } | |
4070 | ||
fa0d5369 | 4071 | if (n_infiles == last_language_n_infiles && spec_lang != 0) |
c725bd79 | 4072 | error ("warning: `-x %s' after last input file has no effect", spec_lang); |
ed1f651b | 4073 | |
69927b59 NB |
4074 | /* Ensure we only invoke each subprocess once. */ |
4075 | if (target_help_flag || print_help_list) | |
4076 | { | |
4077 | n_infiles = 1; | |
4078 | ||
4079 | /* Create a dummy input file, so that we can pass --target-help on to | |
4080 | the various sub-processes. */ | |
4081 | infiles[0].language = "c"; | |
4082 | infiles[0].name = "help-dummy"; | |
4083 | ||
4084 | if (target_help_flag) | |
4085 | { | |
4086 | switches[n_switches].part1 = "--target-help"; | |
4087 | switches[n_switches].args = 0; | |
4088 | switches[n_switches].live_cond = SWITCH_OK; | |
4089 | switches[n_switches].validated = 0; | |
4090 | ||
4091 | n_switches++; | |
4092 | } | |
4093 | ||
4094 | if (print_help_list) | |
4095 | { | |
4096 | switches[n_switches].part1 = "--help"; | |
4097 | switches[n_switches].args = 0; | |
4098 | switches[n_switches].live_cond = SWITCH_OK; | |
4099 | switches[n_switches].validated = 0; | |
4100 | ||
4101 | n_switches++; | |
4102 | } | |
4103 | } | |
4104 | ||
ed1f651b RS |
4105 | switches[n_switches].part1 = 0; |
4106 | infiles[n_infiles].name = 0; | |
4107 | } | |
b856c15d | 4108 | |
4977bab6 | 4109 | /* Store switches not filtered out by %<S in spec in COLLECT_GCC_OPTIONS |
b856c15d RO |
4110 | and place that in the environment. */ |
4111 | ||
4112 | static void | |
1d088dee | 4113 | set_collect_gcc_options (void) |
b856c15d RO |
4114 | { |
4115 | int i; | |
4116 | int first_time; | |
4117 | ||
4118 | /* Build COLLECT_GCC_OPTIONS to have all of the options specified to | |
4119 | the compiler. */ | |
4120 | obstack_grow (&collect_obstack, "COLLECT_GCC_OPTIONS=", | |
4121 | sizeof ("COLLECT_GCC_OPTIONS=") - 1); | |
4122 | ||
4123 | first_time = TRUE; | |
4124 | for (i = 0; (int) i < n_switches; i++) | |
4125 | { | |
4126 | const char *const *args; | |
4127 | const char *p, *q; | |
4128 | if (!first_time) | |
4129 | obstack_grow (&collect_obstack, " ", 1); | |
4130 | ||
4131 | first_time = FALSE; | |
4132 | ||
4133 | /* Ignore elided switches. */ | |
4134 | if (switches[i].live_cond == SWITCH_IGNORE) | |
4135 | continue; | |
4136 | ||
4137 | obstack_grow (&collect_obstack, "'-", 2); | |
4138 | q = switches[i].part1; | |
4139 | while ((p = strchr (q, '\''))) | |
4140 | { | |
4141 | obstack_grow (&collect_obstack, q, p - q); | |
4142 | obstack_grow (&collect_obstack, "'\\''", 4); | |
4143 | q = ++p; | |
4144 | } | |
4145 | obstack_grow (&collect_obstack, q, strlen (q)); | |
4146 | obstack_grow (&collect_obstack, "'", 1); | |
4147 | ||
4148 | for (args = switches[i].args; args && *args; args++) | |
4149 | { | |
4150 | obstack_grow (&collect_obstack, " '", 2); | |
4151 | q = *args; | |
4152 | while ((p = strchr (q, '\''))) | |
4153 | { | |
4154 | obstack_grow (&collect_obstack, q, p - q); | |
4155 | obstack_grow (&collect_obstack, "'\\''", 4); | |
4156 | q = ++p; | |
4157 | } | |
4158 | obstack_grow (&collect_obstack, q, strlen (q)); | |
4159 | obstack_grow (&collect_obstack, "'", 1); | |
4160 | } | |
4161 | } | |
4162 | obstack_grow (&collect_obstack, "\0", 1); | |
4163 | putenv (obstack_finish (&collect_obstack)); | |
4164 | } | |
ed1f651b RS |
4165 | \f |
4166 | /* Process a spec string, accumulating and running commands. */ | |
4167 | ||
4168 | /* These variables describe the input file name. | |
4169 | input_file_number is the index on outfiles of this file, | |
4170 | so that the output file name can be stored for later use by %o. | |
4171 | input_basename is the start of the part of the input file | |
4172 | sans all directory names, and basename_length is the number | |
4173 | of characters starting there excluding the suffix .c or whatever. */ | |
4174 | ||
070588f0 | 4175 | static const char *input_filename; |
ed1f651b | 4176 | static int input_file_number; |
f271358e | 4177 | size_t input_filename_length; |
ed1f651b | 4178 | static int basename_length; |
ea414c97 | 4179 | static int suffixed_basename_length; |
878f32c3 KG |
4180 | static const char *input_basename; |
4181 | static const char *input_suffix; | |
99f78cdd IR |
4182 | static struct stat input_stat; |
4183 | static int input_stat_set; | |
ed1f651b | 4184 | |
a9374841 MM |
4185 | /* The compiler used to process the current input file. */ |
4186 | static struct compiler *input_file_compiler; | |
4187 | ||
ed1f651b RS |
4188 | /* These are variables used within do_spec and do_spec_1. */ |
4189 | ||
4190 | /* Nonzero if an arg has been started and not yet terminated | |
4191 | (with space, tab or newline). */ | |
4192 | static int arg_going; | |
4193 | ||
4194 | /* Nonzero means %d or %g has been seen; the next arg to be terminated | |
4195 | is a temporary file name. */ | |
4196 | static int delete_this_arg; | |
4197 | ||
4198 | /* Nonzero means %w has been seen; the next arg to be terminated | |
4199 | is the output file name of this compilation. */ | |
4200 | static int this_is_output_file; | |
4201 | ||
4202 | /* Nonzero means %s has been seen; the next arg to be terminated | |
4203 | is the name of a library file and we should try the standard | |
4204 | search dirs for it. */ | |
4205 | static int this_is_library_file; | |
4206 | ||
a99bf70c JW |
4207 | /* Nonzero means that the input of this command is coming from a pipe. */ |
4208 | static int input_from_pipe; | |
4209 | ||
11972f66 | 4210 | /* Nonnull means substitute this for any suffix when outputting a switches |
dc297297 | 4211 | arguments. */ |
11972f66 NS |
4212 | static const char *suffix_subst; |
4213 | ||
ed1f651b RS |
4214 | /* Process the spec SPEC and run the commands specified therein. |
4215 | Returns 0 if the spec is successfully processed; -1 if failed. */ | |
4216 | ||
f271358e | 4217 | int |
1d088dee | 4218 | do_spec (const char *spec) |
ed1f651b RS |
4219 | { |
4220 | int value; | |
4221 | ||
343f59d9 | 4222 | value = do_spec_2 (spec); |
ed1f651b RS |
4223 | |
4224 | /* Force out any unfinished command. | |
4225 | If -pipe, this forces out the last command if it ended in `|'. */ | |
4226 | if (value == 0) | |
4227 | { | |
4228 | if (argbuf_index > 0 && !strcmp (argbuf[argbuf_index - 1], "|")) | |
4229 | argbuf_index--; | |
4230 | ||
b856c15d RO |
4231 | set_collect_gcc_options (); |
4232 | ||
ed1f651b RS |
4233 | if (argbuf_index > 0) |
4234 | value = execute (); | |
4235 | } | |
4236 | ||
4237 | return value; | |
4238 | } | |
4239 | ||
343f59d9 | 4240 | static int |
1d088dee | 4241 | do_spec_2 (const char *spec) |
343f59d9 | 4242 | { |
6544fbcb RS |
4243 | const char *string; |
4244 | int result; | |
4245 | ||
343f59d9 AM |
4246 | clear_args (); |
4247 | arg_going = 0; | |
4248 | delete_this_arg = 0; | |
4249 | this_is_output_file = 0; | |
4250 | this_is_library_file = 0; | |
4251 | input_from_pipe = 0; | |
4252 | suffix_subst = NULL; | |
4253 | ||
6544fbcb RS |
4254 | result = do_spec_1 (spec, 0, NULL); |
4255 | ||
4256 | /* End any pending argument. */ | |
4257 | if (arg_going) | |
4258 | { | |
4259 | obstack_1grow (&obstack, 0); | |
4260 | string = obstack_finish (&obstack); | |
4261 | if (this_is_library_file) | |
4262 | string = find_file (string); | |
4263 | store_arg (string, delete_this_arg, this_is_output_file); | |
4264 | if (this_is_output_file) | |
4265 | outfiles[input_file_number] = string; | |
4266 | arg_going = 0; | |
4267 | } | |
4268 | ||
4269 | return result; | |
343f59d9 AM |
4270 | } |
4271 | ||
db36994b | 4272 | |
7816bea0 DJ |
4273 | /* Process the given spec string and add any new options to the end |
4274 | of the switches/n_switches array. */ | |
4275 | ||
4276 | static void | |
1d088dee | 4277 | do_option_spec (const char *name, const char *spec) |
7816bea0 DJ |
4278 | { |
4279 | unsigned int i, value_count, value_len; | |
4280 | const char *p, *q, *value; | |
4281 | char *tmp_spec, *tmp_spec_p; | |
4282 | ||
4283 | if (configure_default_options[0].name == NULL) | |
4284 | return; | |
4285 | ||
4286 | for (i = 0; i < ARRAY_SIZE (configure_default_options); i++) | |
4287 | if (strcmp (configure_default_options[i].name, name) == 0) | |
4288 | break; | |
4289 | if (i == ARRAY_SIZE (configure_default_options)) | |
4290 | return; | |
4291 | ||
4292 | value = configure_default_options[i].value; | |
4293 | value_len = strlen (value); | |
4294 | ||
4295 | /* Compute the size of the final spec. */ | |
4296 | value_count = 0; | |
4297 | p = spec; | |
4298 | while ((p = strstr (p, "%(VALUE)")) != NULL) | |
4299 | { | |
4300 | p ++; | |
4301 | value_count ++; | |
4302 | } | |
4303 | ||
4304 | /* Replace each %(VALUE) by the specified value. */ | |
4305 | tmp_spec = alloca (strlen (spec) + 1 | |
4306 | + value_count * (value_len - strlen ("%(VALUE)"))); | |
4307 | tmp_spec_p = tmp_spec; | |
4308 | q = spec; | |
4309 | while ((p = strstr (q, "%(VALUE)")) != NULL) | |
4310 | { | |
4311 | memcpy (tmp_spec_p, q, p - q); | |
4312 | tmp_spec_p = tmp_spec_p + (p - q); | |
4313 | memcpy (tmp_spec_p, value, value_len); | |
4314 | tmp_spec_p += value_len; | |
4315 | q = p + strlen ("%(VALUE)"); | |
4316 | } | |
4317 | strcpy (tmp_spec_p, q); | |
4318 | ||
4319 | do_self_spec (tmp_spec); | |
4320 | } | |
4321 | ||
db36994b RS |
4322 | /* Process the given spec string and add any new options to the end |
4323 | of the switches/n_switches array. */ | |
4324 | ||
4325 | static void | |
1d088dee | 4326 | do_self_spec (const char *spec) |
db36994b RS |
4327 | { |
4328 | do_spec_2 (spec); | |
4329 | do_spec_1 (" ", 0, NULL); | |
4330 | ||
4331 | if (argbuf_index > 0) | |
4332 | { | |
4333 | int i, first; | |
4334 | ||
4335 | first = n_switches; | |
4336 | n_switches += argbuf_index; | |
4337 | switches = xrealloc (switches, | |
4338 | sizeof (struct switchstr) * (n_switches + 1)); | |
4339 | ||
4340 | switches[n_switches] = switches[first]; | |
4341 | for (i = 0; i < argbuf_index; i++) | |
4342 | { | |
4343 | struct switchstr *sw; | |
4344 | ||
4345 | /* Each switch should start with '-'. */ | |
4346 | if (argbuf[i][0] != '-') | |
4347 | abort (); | |
4348 | ||
4349 | sw = &switches[i + first]; | |
4350 | sw->part1 = &argbuf[i][1]; | |
4351 | sw->args = 0; | |
4352 | sw->live_cond = SWITCH_OK; | |
4353 | sw->validated = 0; | |
4354 | sw->ordering = 0; | |
4355 | } | |
4356 | } | |
4357 | } | |
4358 | ||
ed1f651b RS |
4359 | /* Process the sub-spec SPEC as a portion of a larger spec. |
4360 | This is like processing a whole spec except that we do | |
4361 | not initialize at the beginning and we do not supply a | |
4362 | newline by default at the end. | |
4363 | INSWITCH nonzero means don't process %-sequences in SPEC; | |
4364 | in this case, % is treated as an ordinary character. | |
4365 | This is used while substituting switches. | |
4366 | INSWITCH nonzero also causes SPC not to terminate an argument. | |
4367 | ||
4368 | Value is zero unless a line was finished | |
4369 | and the command on that line reported an error. */ | |
4370 | ||
4371 | static int | |
1d088dee | 4372 | do_spec_1 (const char *spec, int inswitch, const char *soft_matched_part) |
ed1f651b | 4373 | { |
b3694847 SS |
4374 | const char *p = spec; |
4375 | int c; | |
ed1f651b | 4376 | int i; |
878f32c3 | 4377 | const char *string; |
3279bba6 | 4378 | int value; |
ed1f651b | 4379 | |
ededb2fc | 4380 | while ((c = *p++)) |
ed1f651b RS |
4381 | /* If substituting a switch, treat all chars like letters. |
4382 | Otherwise, NL, SPC, TAB and % are special. */ | |
4383 | switch (inswitch ? 'a' : c) | |
4384 | { | |
4385 | case '\n': | |
4386 | /* End of line: finish any pending argument, | |
4387 | then run the pending command if one has been started. */ | |
4388 | if (arg_going) | |
4389 | { | |
4390 | obstack_1grow (&obstack, 0); | |
4391 | string = obstack_finish (&obstack); | |
4392 | if (this_is_library_file) | |
4393 | string = find_file (string); | |
4394 | store_arg (string, delete_this_arg, this_is_output_file); | |
4395 | if (this_is_output_file) | |
4396 | outfiles[input_file_number] = string; | |
4397 | } | |
4398 | arg_going = 0; | |
4399 | ||
4400 | if (argbuf_index > 0 && !strcmp (argbuf[argbuf_index - 1], "|")) | |
4401 | { | |
ed1f651b RS |
4402 | /* A `|' before the newline means use a pipe here, |
4403 | but only if -pipe was specified. | |
4404 | Otherwise, execute now and don't pass the `|' as an arg. */ | |
4977bab6 | 4405 | if (use_pipes) |
ed1f651b | 4406 | { |
a99bf70c | 4407 | input_from_pipe = 1; |
ed1f651b RS |
4408 | break; |
4409 | } | |
4410 | else | |
4411 | argbuf_index--; | |
4412 | } | |
4413 | ||
b856c15d RO |
4414 | set_collect_gcc_options (); |
4415 | ||
ed1f651b RS |
4416 | if (argbuf_index > 0) |
4417 | { | |
3279bba6 | 4418 | value = execute (); |
ed1f651b RS |
4419 | if (value) |
4420 | return value; | |
4421 | } | |
4422 | /* Reinitialize for a new command, and for a new argument. */ | |
4423 | clear_args (); | |
4424 | arg_going = 0; | |
4425 | delete_this_arg = 0; | |
4426 | this_is_output_file = 0; | |
4427 | this_is_library_file = 0; | |
a99bf70c | 4428 | input_from_pipe = 0; |
ed1f651b RS |
4429 | break; |
4430 | ||
4431 | case '|': | |
4432 | /* End any pending argument. */ | |
4433 | if (arg_going) | |
4434 | { | |
4435 | obstack_1grow (&obstack, 0); | |
4436 | string = obstack_finish (&obstack); | |
4437 | if (this_is_library_file) | |
4438 | string = find_file (string); | |
4439 | store_arg (string, delete_this_arg, this_is_output_file); | |
4440 | if (this_is_output_file) | |
4441 | outfiles[input_file_number] = string; | |
4442 | } | |
4443 | ||
4444 | /* Use pipe */ | |
4445 | obstack_1grow (&obstack, c); | |
4446 | arg_going = 1; | |
4447 | break; | |
4448 | ||
4449 | case '\t': | |
4450 | case ' ': | |
4451 | /* Space or tab ends an argument if one is pending. */ | |
4452 | if (arg_going) | |
4453 | { | |
4454 | obstack_1grow (&obstack, 0); | |
4455 | string = obstack_finish (&obstack); | |
4456 | if (this_is_library_file) | |
4457 | string = find_file (string); | |
4458 | store_arg (string, delete_this_arg, this_is_output_file); | |
4459 | if (this_is_output_file) | |
4460 | outfiles[input_file_number] = string; | |
4461 | } | |
4462 | /* Reinitialize for a new argument. */ | |
4463 | arg_going = 0; | |
4464 | delete_this_arg = 0; | |
4465 | this_is_output_file = 0; | |
4466 | this_is_library_file = 0; | |
4467 | break; | |
4468 | ||
4469 | case '%': | |
4470 | switch (c = *p++) | |
4471 | { | |
4472 | case 0: | |
c725bd79 | 4473 | fatal ("invalid specification! Bug in cc"); |
ed1f651b RS |
4474 | |
4475 | case 'b': | |
4476 | obstack_grow (&obstack, input_basename, basename_length); | |
4477 | arg_going = 1; | |
4478 | break; | |
4479 | ||
ea414c97 ZW |
4480 | case 'B': |
4481 | obstack_grow (&obstack, input_basename, suffixed_basename_length); | |
4482 | arg_going = 1; | |
4483 | break; | |
4484 | ||
ed1f651b RS |
4485 | case 'd': |
4486 | delete_this_arg = 2; | |
4487 | break; | |
4488 | ||
4489 | /* Dump out the directories specified with LIBRARY_PATH, | |
004fd4d5 RS |
4490 | followed by the absolute directories |
4491 | that we search for startfiles. */ | |
ed1f651b | 4492 | case 'D': |
8cacec76 | 4493 | { |
48ff801b | 4494 | struct prefix_list *pl = startfile_prefixes.plist; |
85066503 | 4495 | size_t bufsize = 100; |
703ad42b | 4496 | char *buffer = xmalloc (bufsize); |
8cacec76 | 4497 | int idx; |
59014d0a | 4498 | |
8cacec76 JW |
4499 | for (; pl; pl = pl->next) |
4500 | { | |
004fd4d5 | 4501 | #ifdef RELATIVE_PREFIX_NOT_LINKDIR |
8cacec76 JW |
4502 | /* Used on systems which record the specified -L dirs |
4503 | and use them to search for dynamic linking. */ | |
4504 | /* Relative directories always come from -B, | |
4505 | and it is better not to use them for searching | |
3ac63d94 | 4506 | at run time. In particular, stage1 loses. */ |
3dce1408 | 4507 | if (!IS_ABSOLUTE_PATH (pl->prefix)) |
8cacec76 | 4508 | continue; |
004fd4d5 | 4509 | #endif |
60103a34 | 4510 | /* Try subdirectory if there is one. */ |
5bbcd587 JJ |
4511 | if (multilib_dir != NULL |
4512 | || (pl->os_multilib && multilib_os_dir != NULL)) | |
60103a34 | 4513 | { |
5bbcd587 JJ |
4514 | const char *multi_dir; |
4515 | ||
4516 | multi_dir = pl->os_multilib ? multilib_os_dir | |
4517 | : multilib_dir; | |
4518 | if (machine_suffix && multilib_dir) | |
60103a34 DE |
4519 | { |
4520 | if (strlen (pl->prefix) + strlen (machine_suffix) | |
4521 | >= bufsize) | |
4522 | bufsize = (strlen (pl->prefix) | |
4523 | + strlen (machine_suffix)) * 2 + 1; | |
703ad42b | 4524 | buffer = xrealloc (buffer, bufsize); |
60103a34 DE |
4525 | strcpy (buffer, pl->prefix); |
4526 | strcat (buffer, machine_suffix); | |
4527 | if (is_directory (buffer, multilib_dir, 1)) | |
4528 | { | |
6496a589 | 4529 | do_spec_1 ("-L", 0, NULL); |
60103a34 | 4530 | #ifdef SPACE_AFTER_L_OPTION |
6496a589 | 4531 | do_spec_1 (" ", 0, NULL); |
60103a34 | 4532 | #endif |
6496a589 KG |
4533 | do_spec_1 (buffer, 1, NULL); |
4534 | do_spec_1 (multilib_dir, 1, NULL); | |
60103a34 | 4535 | /* Make this a separate argument. */ |
6496a589 | 4536 | do_spec_1 (" ", 0, NULL); |
60103a34 DE |
4537 | } |
4538 | } | |
4539 | if (!pl->require_machine_suffix) | |
4540 | { | |
5bbcd587 | 4541 | if (is_directory (pl->prefix, multi_dir, 1)) |
60103a34 | 4542 | { |
6496a589 | 4543 | do_spec_1 ("-L", 0, NULL); |
60103a34 | 4544 | #ifdef SPACE_AFTER_L_OPTION |
6496a589 | 4545 | do_spec_1 (" ", 0, NULL); |
60103a34 | 4546 | #endif |
6496a589 | 4547 | do_spec_1 (pl->prefix, 1, NULL); |
5bbcd587 | 4548 | do_spec_1 (multi_dir, 1, NULL); |
60103a34 | 4549 | /* Make this a separate argument. */ |
6496a589 | 4550 | do_spec_1 (" ", 0, NULL); |
60103a34 DE |
4551 | } |
4552 | } | |
4553 | } | |
8cacec76 JW |
4554 | if (machine_suffix) |
4555 | { | |
0ad5835e | 4556 | if (is_directory (pl->prefix, machine_suffix, 1)) |
8cacec76 | 4557 | { |
6496a589 | 4558 | do_spec_1 ("-L", 0, NULL); |
004fd4d5 | 4559 | #ifdef SPACE_AFTER_L_OPTION |
6496a589 | 4560 | do_spec_1 (" ", 0, NULL); |
004fd4d5 | 4561 | #endif |
6496a589 | 4562 | do_spec_1 (pl->prefix, 1, NULL); |
8cacec76 JW |
4563 | /* Remove slash from machine_suffix. */ |
4564 | if (strlen (machine_suffix) >= bufsize) | |
4565 | bufsize = strlen (machine_suffix) * 2 + 1; | |
703ad42b | 4566 | buffer = xrealloc (buffer, bufsize); |
8cacec76 JW |
4567 | strcpy (buffer, machine_suffix); |
4568 | idx = strlen (buffer); | |
509781a4 | 4569 | if (IS_DIR_SEPARATOR (buffer[idx - 1])) |
8cacec76 | 4570 | buffer[idx - 1] = 0; |
6496a589 | 4571 | do_spec_1 (buffer, 1, NULL); |
8cacec76 | 4572 | /* Make this a separate argument. */ |
6496a589 | 4573 | do_spec_1 (" ", 0, NULL); |
8cacec76 JW |
4574 | } |
4575 | } | |
4576 | if (!pl->require_machine_suffix) | |
4577 | { | |
0ad5835e | 4578 | if (is_directory (pl->prefix, "", 1)) |
8cacec76 | 4579 | { |
6496a589 | 4580 | do_spec_1 ("-L", 0, NULL); |
004fd4d5 | 4581 | #ifdef SPACE_AFTER_L_OPTION |
6496a589 | 4582 | do_spec_1 (" ", 0, NULL); |
004fd4d5 | 4583 | #endif |
8cacec76 JW |
4584 | /* Remove slash from pl->prefix. */ |
4585 | if (strlen (pl->prefix) >= bufsize) | |
4586 | bufsize = strlen (pl->prefix) * 2 + 1; | |
703ad42b | 4587 | buffer = xrealloc (buffer, bufsize); |
8cacec76 JW |
4588 | strcpy (buffer, pl->prefix); |
4589 | idx = strlen (buffer); | |
509781a4 | 4590 | if (IS_DIR_SEPARATOR (buffer[idx - 1])) |
8cacec76 | 4591 | buffer[idx - 1] = 0; |
6496a589 | 4592 | do_spec_1 (buffer, 1, NULL); |
8cacec76 | 4593 | /* Make this a separate argument. */ |
6496a589 | 4594 | do_spec_1 (" ", 0, NULL); |
8cacec76 JW |
4595 | } |
4596 | } | |
4597 | } | |
4598 | free (buffer); | |
4599 | } | |
ed1f651b RS |
4600 | break; |
4601 | ||
4602 | case 'e': | |
ab87f8c8 | 4603 | /* %efoo means report an error with `foo' as error message |
ed1f651b RS |
4604 | and don't execute any more commands for this file. */ |
4605 | { | |
878f32c3 | 4606 | const char *q = p; |
ed1f651b | 4607 | char *buf; |
d25a45d4 KH |
4608 | while (*p != 0 && *p != '\n') |
4609 | p++; | |
703ad42b | 4610 | buf = alloca (p - q + 1); |
ed1f651b RS |
4611 | strncpy (buf, q, p - q); |
4612 | buf[p - q] = 0; | |
913d0833 | 4613 | error ("%s", buf); |
ed1f651b RS |
4614 | return -1; |
4615 | } | |
4616 | break; | |
4a88a060 | 4617 | case 'n': |
09da1532 | 4618 | /* %nfoo means report a notice with `foo' on stderr. */ |
4a88a060 JH |
4619 | { |
4620 | const char *q = p; | |
4621 | char *buf; | |
4622 | while (*p != 0 && *p != '\n') | |
4623 | p++; | |
703ad42b | 4624 | buf = alloca (p - q + 1); |
4a88a060 JH |
4625 | strncpy (buf, q, p - q); |
4626 | buf[p - q] = 0; | |
4627 | notice ("%s\n", buf); | |
4628 | if (*p) | |
4629 | p++; | |
4630 | } | |
4631 | break; | |
ed1f651b | 4632 | |
d25a45d4 KH |
4633 | case 'j': |
4634 | { | |
4635 | struct stat st; | |
4636 | ||
4977bab6 ZW |
4637 | /* If save_temps_flag is off, and the HOST_BIT_BUCKET is |
4638 | defined, and it is not a directory, and it is | |
4639 | writable, use it. Otherwise, treat this like any | |
4640 | other temporary file. */ | |
d25a45d4 KH |
4641 | |
4642 | if ((!save_temps_flag) | |
4643 | && (stat (HOST_BIT_BUCKET, &st) == 0) && (!S_ISDIR (st.st_mode)) | |
4644 | && (access (HOST_BIT_BUCKET, W_OK) == 0)) | |
4645 | { | |
4646 | obstack_grow (&obstack, HOST_BIT_BUCKET, | |
4647 | strlen (HOST_BIT_BUCKET)); | |
4648 | delete_this_arg = 0; | |
4649 | arg_going = 1; | |
4650 | break; | |
4651 | } | |
4652 | } | |
4977bab6 ZW |
4653 | goto create_temp_file; |
4654 | case '|': | |
4655 | if (use_pipes) | |
4656 | { | |
4657 | obstack_1grow (&obstack, '-'); | |
4658 | delete_this_arg = 0; | |
4659 | arg_going = 1; | |
4660 | ||
4661 | /* consume suffix */ | |
4662 | while (*p == '.' || ISALPHA ((unsigned char) *p)) | |
4663 | p++; | |
4664 | if (p[0] == '%' && p[1] == 'O') | |
4665 | p += 2; | |
1d088dee | 4666 | |
4977bab6 ZW |
4667 | break; |
4668 | } | |
4669 | goto create_temp_file; | |
4670 | case 'm': | |
4671 | if (use_pipes) | |
4672 | { | |
4673 | /* consume suffix */ | |
4674 | while (*p == '.' || ISALPHA ((unsigned char) *p)) | |
4675 | p++; | |
4676 | if (p[0] == '%' && p[1] == 'O') | |
4677 | p += 2; | |
1d088dee | 4678 | |
4977bab6 ZW |
4679 | break; |
4680 | } | |
4681 | goto create_temp_file; | |
ed1f651b | 4682 | case 'g': |
d887e808 | 4683 | case 'u': |
4401b31c | 4684 | case 'U': |
4977bab6 | 4685 | create_temp_file: |
ed1f651b | 4686 | { |
fb266030 | 4687 | struct temp_name *t; |
dd75c292 | 4688 | int suffix_length; |
878f32c3 | 4689 | const char *suffix = p; |
a1d9074c | 4690 | char *saved_suffix = NULL; |
dd75c292 | 4691 | |
9218435e | 4692 | while (*p == '.' || ISALPHA ((unsigned char) *p)) |
a1d9074c TT |
4693 | p++; |
4694 | suffix_length = p - suffix; | |
dd75c292 CB |
4695 | if (p[0] == '%' && p[1] == 'O') |
4696 | { | |
cbc54665 | 4697 | p += 2; |
dd75c292 | 4698 | /* We don't support extra suffix characters after %O. */ |
9218435e | 4699 | if (*p == '.' || ISALPHA ((unsigned char) *p)) |
dd75c292 | 4700 | abort (); |
a1d9074c | 4701 | if (suffix_length == 0) |
45936a85 | 4702 | suffix = TARGET_OBJECT_SUFFIX; |
a1d9074c TT |
4703 | else |
4704 | { | |
4705 | saved_suffix | |
703ad42b KG |
4706 | = xmalloc (suffix_length |
4707 | + strlen (TARGET_OBJECT_SUFFIX)); | |
a1d9074c TT |
4708 | strncpy (saved_suffix, suffix, suffix_length); |
4709 | strcpy (saved_suffix + suffix_length, | |
45936a85 | 4710 | TARGET_OBJECT_SUFFIX); |
a1d9074c | 4711 | } |
45936a85 | 4712 | suffix_length += strlen (TARGET_OBJECT_SUFFIX); |
dd75c292 | 4713 | } |
589005ff | 4714 | |
99f78cdd IR |
4715 | /* If the input_filename has the same suffix specified |
4716 | for the %g, %u, or %U, and -save-temps is specified, | |
4717 | we could end up using that file as an intermediate | |
4718 | thus clobbering the user's source file (.e.g., | |
4719 | gcc -save-temps foo.s would clobber foo.s with the | |
4720 | output of cpp0). So check for this condition and | |
4721 | generate a temp file as the intermediate. */ | |
589005ff | 4722 | |
99f78cdd IR |
4723 | if (save_temps_flag) |
4724 | { | |
4725 | temp_filename_length = basename_length + suffix_length; | |
4726 | temp_filename = alloca (temp_filename_length + 1); | |
4727 | strncpy ((char *) temp_filename, input_basename, basename_length); | |
4728 | strncpy ((char *) temp_filename + basename_length, suffix, | |
1d088dee | 4729 | suffix_length); |
99f78cdd IR |
4730 | *((char *) temp_filename + temp_filename_length) = '\0'; |
4731 | if (strcmp (temp_filename, input_filename) != 0) | |
4732 | { | |
1d088dee | 4733 | struct stat st_temp; |
589005ff | 4734 | |
1d088dee AJ |
4735 | /* Note, set_input() resets input_stat_set to 0. */ |
4736 | if (input_stat_set == 0) | |
4737 | { | |
4738 | input_stat_set = stat (input_filename, &input_stat); | |
4739 | if (input_stat_set >= 0) | |
4740 | input_stat_set = 1; | |
4741 | } | |
589005ff | 4742 | |
1d088dee AJ |
4743 | /* If we have the stat for the input_filename |
4744 | and we can do the stat for the temp_filename | |
4745 | then the they could still refer to the same | |
4746 | file if st_dev/st_ino's are the same. */ | |
589005ff | 4747 | |
99f78cdd IR |
4748 | if (input_stat_set != 1 |
4749 | || stat (temp_filename, &st_temp) < 0 | |
4750 | || input_stat.st_dev != st_temp.st_dev | |
4751 | || input_stat.st_ino != st_temp.st_ino) | |
589005ff | 4752 | { |
99f78cdd IR |
4753 | temp_filename = save_string (temp_filename, |
4754 | temp_filename_length + 1); | |
4755 | obstack_grow (&obstack, temp_filename, | |
1d088dee | 4756 | temp_filename_length); |
99f78cdd | 4757 | arg_going = 1; |
d2dff06b | 4758 | delete_this_arg = 0; |
99f78cdd IR |
4759 | break; |
4760 | } | |
4761 | } | |
4762 | } | |
fb266030 TW |
4763 | |
4764 | /* See if we already have an association of %g/%u/%U and | |
4765 | suffix. */ | |
4766 | for (t = temp_names; t; t = t->next) | |
dd75c292 CB |
4767 | if (t->length == suffix_length |
4768 | && strncmp (t->suffix, suffix, suffix_length) == 0 | |
95456d43 | 4769 | && t->unique == (c == 'u' || c == 'U' || c == 'j')) |
fb266030 TW |
4770 | break; |
4771 | ||
2297fdf1 TT |
4772 | /* Make a new association if needed. %u and %j |
4773 | require one. */ | |
49009afd | 4774 | if (t == 0 || c == 'u' || c == 'j') |
fb266030 TW |
4775 | { |
4776 | if (t == 0) | |
4777 | { | |
703ad42b | 4778 | t = xmalloc (sizeof (struct temp_name)); |
fb266030 TW |
4779 | t->next = temp_names; |
4780 | temp_names = t; | |
4781 | } | |
dd75c292 | 4782 | t->length = suffix_length; |
2297fdf1 TT |
4783 | if (saved_suffix) |
4784 | { | |
4785 | t->suffix = saved_suffix; | |
4786 | saved_suffix = NULL; | |
4787 | } | |
4788 | else | |
4789 | t->suffix = save_string (suffix, suffix_length); | |
95456d43 | 4790 | t->unique = (c == 'u' || c == 'U' || c == 'j'); |
dd75c292 | 4791 | temp_filename = make_temp_file (t->suffix); |
6aa62cff | 4792 | temp_filename_length = strlen (temp_filename); |
fb266030 TW |
4793 | t->filename = temp_filename; |
4794 | t->filename_length = temp_filename_length; | |
4795 | } | |
4796 | ||
a1d9074c TT |
4797 | if (saved_suffix) |
4798 | free (saved_suffix); | |
4799 | ||
fb266030 | 4800 | obstack_grow (&obstack, t->filename, t->filename_length); |
b9490a6e | 4801 | delete_this_arg = 1; |
ed1f651b RS |
4802 | } |
4803 | arg_going = 1; | |
4804 | break; | |
4805 | ||
4806 | case 'i': | |
d1bd0ded GK |
4807 | if (combine_inputs) |
4808 | { | |
4809 | for (i = 0; (int) i < n_infiles; i++) | |
0855eab7 CT |
4810 | if ((!infiles[i].language) || (infiles[i].language[0] != '*')) |
4811 | if (infiles[i].incompiler == input_file_compiler) | |
4812 | { | |
4813 | store_arg (infiles[i].name, 0, 0); | |
4814 | infiles[i].compiled = true; | |
4815 | } | |
d1bd0ded GK |
4816 | } |
4817 | else | |
4818 | { | |
4819 | obstack_grow (&obstack, input_filename, input_filename_length); | |
4820 | arg_going = 1; | |
4821 | } | |
ed1f651b RS |
4822 | break; |
4823 | ||
8eebb258 | 4824 | case 'I': |
2d879387 | 4825 | { |
48ff801b | 4826 | struct prefix_list *pl = include_prefixes.plist; |
2d879387 JW |
4827 | |
4828 | if (gcc_exec_prefix) | |
4829 | { | |
6496a589 | 4830 | do_spec_1 ("-iprefix", 1, NULL); |
2d879387 | 4831 | /* Make this a separate argument. */ |
6496a589 KG |
4832 | do_spec_1 (" ", 0, NULL); |
4833 | do_spec_1 (gcc_exec_prefix, 1, NULL); | |
4834 | do_spec_1 (" ", 0, NULL); | |
2d879387 JW |
4835 | } |
4836 | ||
e7f13528 GP |
4837 | if (target_system_root_changed || |
4838 | (target_system_root && target_sysroot_hdrs_suffix)) | |
047d636f DJ |
4839 | { |
4840 | do_spec_1 ("-isysroot", 1, NULL); | |
4841 | /* Make this a separate argument. */ | |
4842 | do_spec_1 (" ", 0, NULL); | |
4843 | do_spec_1 (target_system_root, 1, NULL); | |
e7f13528 GP |
4844 | if (target_sysroot_hdrs_suffix) |
4845 | do_spec_1 (target_sysroot_hdrs_suffix, 1, NULL); | |
047d636f DJ |
4846 | do_spec_1 (" ", 0, NULL); |
4847 | } | |
4848 | ||
2d879387 JW |
4849 | for (; pl; pl = pl->next) |
4850 | { | |
6496a589 | 4851 | do_spec_1 ("-isystem", 1, NULL); |
2d879387 | 4852 | /* Make this a separate argument. */ |
6496a589 KG |
4853 | do_spec_1 (" ", 0, NULL); |
4854 | do_spec_1 (pl->prefix, 1, NULL); | |
4855 | do_spec_1 (" ", 0, NULL); | |
2d879387 JW |
4856 | } |
4857 | } | |
8eebb258 RS |
4858 | break; |
4859 | ||
ed1f651b | 4860 | case 'o': |
15c5edb9 TT |
4861 | { |
4862 | int max = n_infiles; | |
15c5edb9 | 4863 | max += lang_specific_extra_outfiles; |
08dc830e | 4864 | |
15c5edb9 TT |
4865 | for (i = 0; i < max; i++) |
4866 | if (outfiles[i]) | |
4867 | store_arg (outfiles[i], 0, 0); | |
4868 | break; | |
4869 | } | |
ed1f651b | 4870 | |
ed7dae04 | 4871 | case 'O': |
45936a85 | 4872 | obstack_grow (&obstack, TARGET_OBJECT_SUFFIX, strlen (TARGET_OBJECT_SUFFIX)); |
ed7dae04 RK |
4873 | arg_going = 1; |
4874 | break; | |
4875 | ||
ed1f651b RS |
4876 | case 's': |
4877 | this_is_library_file = 1; | |
4878 | break; | |
4879 | ||
17211ab5 GK |
4880 | case 'V': |
4881 | outfiles[input_file_number] = NULL; | |
4882 | break; | |
4883 | ||
ed1f651b RS |
4884 | case 'w': |
4885 | this_is_output_file = 1; | |
4886 | break; | |
4887 | ||
4888 | case 'W': | |
4889 | { | |
ed846da3 | 4890 | int cur_index = argbuf_index; |
ed1f651b RS |
4891 | /* Handle the {...} following the %W. */ |
4892 | if (*p != '{') | |
4893 | abort (); | |
4894 | p = handle_braces (p + 1); | |
4895 | if (p == 0) | |
4896 | return -1; | |
a3a0177e JM |
4897 | /* End any pending argument. */ |
4898 | if (arg_going) | |
4899 | { | |
4900 | obstack_1grow (&obstack, 0); | |
4901 | string = obstack_finish (&obstack); | |
4902 | if (this_is_library_file) | |
4903 | string = find_file (string); | |
4904 | store_arg (string, delete_this_arg, this_is_output_file); | |
4905 | if (this_is_output_file) | |
4906 | outfiles[input_file_number] = string; | |
4907 | arg_going = 0; | |
4908 | } | |
ed1f651b RS |
4909 | /* If any args were output, mark the last one for deletion |
4910 | on failure. */ | |
ed846da3 | 4911 | if (argbuf_index != cur_index) |
ed1f651b RS |
4912 | record_temp_file (argbuf[argbuf_index - 1], 0, 1); |
4913 | break; | |
4914 | } | |
4915 | ||
4916 | /* %x{OPTION} records OPTION for %X to output. */ | |
4917 | case 'x': | |
4918 | { | |
878f32c3 | 4919 | const char *p1 = p; |
ed1f651b RS |
4920 | char *string; |
4921 | ||
4922 | /* Skip past the option value and make a copy. */ | |
4923 | if (*p != '{') | |
4924 | abort (); | |
4925 | while (*p++ != '}') | |
4926 | ; | |
4927 | string = save_string (p1 + 1, p - p1 - 2); | |
4928 | ||
4929 | /* See if we already recorded this option. */ | |
4930 | for (i = 0; i < n_linker_options; i++) | |
4931 | if (! strcmp (string, linker_options[i])) | |
4932 | { | |
4933 | free (string); | |
4934 | return 0; | |
4935 | } | |
4936 | ||
4937 | /* This option is new; add it. */ | |
b8468bc7 | 4938 | add_linker_option (string, strlen (string)); |
ed1f651b RS |
4939 | } |
4940 | break; | |
4941 | ||
368dfd3a | 4942 | /* Dump out the options accumulated previously using %x. */ |
ed1f651b RS |
4943 | case 'X': |
4944 | for (i = 0; i < n_linker_options; i++) | |
4945 | { | |
6496a589 | 4946 | do_spec_1 (linker_options[i], 1, NULL); |
ed1f651b | 4947 | /* Make each accumulated option a separate argument. */ |
6496a589 | 4948 | do_spec_1 (" ", 0, NULL); |
ed1f651b RS |
4949 | } |
4950 | break; | |
4951 | ||
c9ebacb8 RS |
4952 | /* Dump out the options accumulated previously using -Wa,. */ |
4953 | case 'Y': | |
4954 | for (i = 0; i < n_assembler_options; i++) | |
4955 | { | |
6496a589 | 4956 | do_spec_1 (assembler_options[i], 1, NULL); |
c9ebacb8 | 4957 | /* Make each accumulated option a separate argument. */ |
6496a589 | 4958 | do_spec_1 (" ", 0, NULL); |
c9ebacb8 RS |
4959 | } |
4960 | break; | |
4961 | ||
57cb9b60 JW |
4962 | /* Dump out the options accumulated previously using -Wp,. */ |
4963 | case 'Z': | |
4964 | for (i = 0; i < n_preprocessor_options; i++) | |
4965 | { | |
6496a589 | 4966 | do_spec_1 (preprocessor_options[i], 1, NULL); |
57cb9b60 | 4967 | /* Make each accumulated option a separate argument. */ |
6496a589 | 4968 | do_spec_1 (" ", 0, NULL); |
57cb9b60 JW |
4969 | } |
4970 | break; | |
4971 | ||
ed1f651b RS |
4972 | /* Here are digits and numbers that just process |
4973 | a certain constant string as a spec. */ | |
4974 | ||
4975 | case '1': | |
6496a589 | 4976 | value = do_spec_1 (cc1_spec, 0, NULL); |
3279bba6 RS |
4977 | if (value != 0) |
4978 | return value; | |
ed1f651b RS |
4979 | break; |
4980 | ||
4981 | case '2': | |
6496a589 | 4982 | value = do_spec_1 (cc1plus_spec, 0, NULL); |
3279bba6 RS |
4983 | if (value != 0) |
4984 | return value; | |
ed1f651b RS |
4985 | break; |
4986 | ||
4987 | case 'a': | |
6496a589 | 4988 | value = do_spec_1 (asm_spec, 0, NULL); |
3279bba6 RS |
4989 | if (value != 0) |
4990 | return value; | |
ed1f651b RS |
4991 | break; |
4992 | ||
4993 | case 'A': | |
6496a589 | 4994 | value = do_spec_1 (asm_final_spec, 0, NULL); |
3279bba6 RS |
4995 | if (value != 0) |
4996 | return value; | |
ed1f651b RS |
4997 | break; |
4998 | ||
ed1f651b | 4999 | case 'C': |
a9374841 | 5000 | { |
83182544 | 5001 | const char *const spec |
589005ff KH |
5002 | = (input_file_compiler->cpp_spec |
5003 | ? input_file_compiler->cpp_spec | |
a9374841 | 5004 | : cpp_spec); |
6496a589 | 5005 | value = do_spec_1 (spec, 0, NULL); |
a9374841 MM |
5006 | if (value != 0) |
5007 | return value; | |
5008 | } | |
ed1f651b RS |
5009 | break; |
5010 | ||
5011 | case 'E': | |
6496a589 | 5012 | value = do_spec_1 (endfile_spec, 0, NULL); |
3279bba6 RS |
5013 | if (value != 0) |
5014 | return value; | |
ed1f651b RS |
5015 | break; |
5016 | ||
5017 | case 'l': | |
6496a589 | 5018 | value = do_spec_1 (link_spec, 0, NULL); |
3279bba6 RS |
5019 | if (value != 0) |
5020 | return value; | |
ed1f651b RS |
5021 | break; |
5022 | ||
5023 | case 'L': | |
6496a589 | 5024 | value = do_spec_1 (lib_spec, 0, NULL); |
3279bba6 RS |
5025 | if (value != 0) |
5026 | return value; | |
ed1f651b RS |
5027 | break; |
5028 | ||
68d69835 | 5029 | case 'G': |
6496a589 | 5030 | value = do_spec_1 (libgcc_spec, 0, NULL); |
68d69835 JM |
5031 | if (value != 0) |
5032 | return value; | |
5033 | break; | |
5034 | ||
9db0819e RH |
5035 | case 'M': |
5036 | if (multilib_dir && strcmp (multilib_dir, ".") != 0) | |
5037 | { | |
5038 | char *p; | |
5039 | const char *q; | |
5040 | size_t len; | |
5041 | ||
5042 | len = strlen (multilib_dir); | |
5043 | obstack_blank (&obstack, len + 1); | |
55bd9f24 | 5044 | p = obstack_next_free (&obstack) - (len + 1); |
9db0819e RH |
5045 | |
5046 | *p++ = '_'; | |
5047 | for (q = multilib_dir; *q ; ++q, ++p) | |
5048 | *p = (IS_DIR_SEPARATOR (*q) ? '_' : *q); | |
5049 | } | |
5050 | break; | |
5051 | ||
4977bab6 ZW |
5052 | case 'R': |
5053 | /* We assume there is a directory | |
5054 | separator at the end of this string. */ | |
5055 | if (target_system_root) | |
1d088dee AJ |
5056 | { |
5057 | obstack_grow (&obstack, target_system_root, | |
e7f13528 GP |
5058 | strlen (target_system_root)); |
5059 | if (target_sysroot_suffix) | |
1d088dee | 5060 | obstack_grow (&obstack, target_sysroot_suffix, |
e7f13528 GP |
5061 | strlen (target_sysroot_suffix)); |
5062 | } | |
4977bab6 ZW |
5063 | break; |
5064 | ||
ed1f651b | 5065 | case 'S': |
6496a589 | 5066 | value = do_spec_1 (startfile_spec, 0, NULL); |
3279bba6 RS |
5067 | if (value != 0) |
5068 | return value; | |
ed1f651b RS |
5069 | break; |
5070 | ||
5071 | /* Here we define characters other than letters and digits. */ | |
5072 | ||
5073 | case '{': | |
5074 | p = handle_braces (p); | |
5075 | if (p == 0) | |
5076 | return -1; | |
5077 | break; | |
5078 | ||
f3226a90 JT |
5079 | case ':': |
5080 | p = handle_spec_function (p); | |
5081 | if (p == 0) | |
5082 | return -1; | |
5083 | break; | |
5084 | ||
ed1f651b RS |
5085 | case '%': |
5086 | obstack_1grow (&obstack, '%'); | |
5087 | break; | |
5088 | ||
589005ff KH |
5089 | case '.': |
5090 | { | |
5091 | unsigned len = 0; | |
11972f66 | 5092 | |
589005ff KH |
5093 | while (p[len] && p[len] != ' ' && p[len] != '%') |
5094 | len++; | |
5095 | suffix_subst = save_string (p - 1, len + 1); | |
5096 | p += len; | |
5097 | } | |
11972f66 | 5098 | break; |
589005ff | 5099 | |
4977bab6 ZW |
5100 | /* Henceforth ignore the option(s) matching the pattern |
5101 | after the %<. */ | |
5102 | case '<': | |
5103 | { | |
5104 | unsigned len = 0; | |
5105 | int have_wildcard = 0; | |
5106 | int i; | |
5107 | ||
5108 | while (p[len] && p[len] != ' ' && p[len] != '\t') | |
5109 | len++; | |
5110 | ||
5111 | if (p[len-1] == '*') | |
5112 | have_wildcard = 1; | |
5113 | ||
5114 | for (i = 0; i < n_switches; i++) | |
5115 | if (!strncmp (switches[i].part1, p, len - have_wildcard) | |
5116 | && (have_wildcard || switches[i].part1[len] == '\0')) | |
5117 | { | |
5118 | switches[i].live_cond = SWITCH_IGNORE; | |
5119 | switches[i].validated = 1; | |
5120 | } | |
5121 | ||
5122 | p += len; | |
5123 | } | |
5124 | break; | |
5125 | ||
ed1f651b | 5126 | case '*': |
3ac63d94 NC |
5127 | if (soft_matched_part) |
5128 | { | |
6496a589 KG |
5129 | do_spec_1 (soft_matched_part, 1, NULL); |
5130 | do_spec_1 (" ", 0, NULL); | |
3ac63d94 NC |
5131 | } |
5132 | else | |
5133 | /* Catch the case where a spec string contains something like | |
5134 | '%{foo:%*}'. ie there is no * in the pattern on the left | |
5135 | hand side of the :. */ | |
1737c953 | 5136 | error ("spec failure: '%%*' has not been initialized by pattern match"); |
ed1f651b RS |
5137 | break; |
5138 | ||
5139 | /* Process a string found as the value of a spec given by name. | |
5140 | This feature allows individual machine descriptions | |
4089dfab JL |
5141 | to add and use their own specs. |
5142 | %[...] modifies -D options the way %P does; | |
5143 | %(...) uses the spec unmodified. */ | |
5144 | case '[': | |
1f978f5f | 5145 | error ("warning: use of obsolete %%[ operator in specs"); |
ed1f651b | 5146 | case '(': |
ed1f651b | 5147 | { |
878f32c3 | 5148 | const char *name = p; |
ed1f651b RS |
5149 | struct spec_list *sl; |
5150 | int len; | |
5151 | ||
5152 | /* The string after the S/P is the name of a spec that is to be | |
0f41302f | 5153 | processed. */ |
4089dfab | 5154 | while (*p && *p != ')' && *p != ']') |
ed1f651b RS |
5155 | p++; |
5156 | ||
3ac63d94 | 5157 | /* See if it's in the list. */ |
ed1f651b | 5158 | for (len = p - name, sl = specs; sl; sl = sl->next) |
79aff5ac | 5159 | if (sl->name_len == len && !strncmp (sl->name, name, len)) |
ed1f651b | 5160 | { |
79aff5ac | 5161 | name = *(sl->ptr_spec); |
20df0482 | 5162 | #ifdef DEBUG_SPECS |
ab87f8c8 JL |
5163 | notice ("Processing spec %c%s%c, which is '%s'\n", |
5164 | c, sl->name, (c == '(') ? ')' : ']', name); | |
20df0482 | 5165 | #endif |
ed1f651b RS |
5166 | break; |
5167 | } | |
5168 | ||
5169 | if (sl) | |
5170 | { | |
4089dfab JL |
5171 | if (c == '(') |
5172 | { | |
6496a589 | 5173 | value = do_spec_1 (name, 0, NULL); |
4089dfab JL |
5174 | if (value != 0) |
5175 | return value; | |
5176 | } | |
5177 | else | |
5178 | { | |
703ad42b | 5179 | char *x = alloca (strlen (name) * 2 + 1); |
4089dfab | 5180 | char *buf = x; |
878f32c3 | 5181 | const char *y = name; |
4089dfab JL |
5182 | int flag = 0; |
5183 | ||
5184 | /* Copy all of NAME into BUF, but put __ after | |
3ac63d94 | 5185 | every -D and at the end of each arg. */ |
4089dfab JL |
5186 | while (1) |
5187 | { | |
5188 | if (! strncmp (y, "-D", 2)) | |
5189 | { | |
5190 | *x++ = '-'; | |
5191 | *x++ = 'D'; | |
5192 | *x++ = '_'; | |
5193 | *x++ = '_'; | |
5194 | y += 2; | |
5195 | flag = 1; | |
5196 | continue; | |
5197 | } | |
d25a45d4 KH |
5198 | else if (flag |
5199 | && (*y == ' ' || *y == '\t' || *y == '=' | |
5200 | || *y == '}' || *y == 0)) | |
4089dfab JL |
5201 | { |
5202 | *x++ = '_'; | |
5203 | *x++ = '_'; | |
5204 | flag = 0; | |
5205 | } | |
d25a45d4 | 5206 | if (*y == 0) |
4089dfab JL |
5207 | break; |
5208 | else | |
5209 | *x++ = *y++; | |
5210 | } | |
5211 | *x = 0; | |
5212 | ||
6496a589 | 5213 | value = do_spec_1 (buf, 0, NULL); |
4089dfab JL |
5214 | if (value != 0) |
5215 | return value; | |
5216 | } | |
ed1f651b | 5217 | } |
b3865ca9 | 5218 | |
4089dfab | 5219 | /* Discard the closing paren or bracket. */ |
b3865ca9 RS |
5220 | if (*p) |
5221 | p++; | |
ed1f651b RS |
5222 | } |
5223 | break; | |
5224 | ||
5225 | default: | |
1737c953 | 5226 | error ("spec failure: unrecognized spec option '%c'", c); |
3ac63d94 | 5227 | break; |
ed1f651b RS |
5228 | } |
5229 | break; | |
5230 | ||
5231 | case '\\': | |
5232 | /* Backslash: treat next character as ordinary. */ | |
5233 | c = *p++; | |
5234 | ||
938d968e | 5235 | /* Fall through. */ |
ed1f651b RS |
5236 | default: |
5237 | /* Ordinary character: put it into the current argument. */ | |
5238 | obstack_1grow (&obstack, c); | |
5239 | arg_going = 1; | |
5240 | } | |
5241 | ||
f3226a90 JT |
5242 | /* End of string. If we are processing a spec function, we need to |
5243 | end any pending argument. */ | |
5244 | if (processing_spec_function && arg_going) | |
5245 | { | |
5246 | obstack_1grow (&obstack, 0); | |
5247 | string = obstack_finish (&obstack); | |
5248 | if (this_is_library_file) | |
5249 | string = find_file (string); | |
5250 | store_arg (string, delete_this_arg, this_is_output_file); | |
5251 | if (this_is_output_file) | |
5252 | outfiles[input_file_number] = string; | |
5253 | arg_going = 0; | |
5254 | } | |
5255 | ||
d25a45d4 | 5256 | return 0; |
ed1f651b RS |
5257 | } |
5258 | ||
f3226a90 JT |
5259 | /* Look up a spec function. */ |
5260 | ||
5261 | static const struct spec_function * | |
1d088dee | 5262 | lookup_spec_function (const char *name) |
f3226a90 JT |
5263 | { |
5264 | static const struct spec_function * const spec_function_tables[] = | |
5265 | { | |
5266 | static_spec_functions, | |
5267 | lang_specific_spec_functions, | |
5268 | }; | |
5269 | const struct spec_function *sf; | |
5270 | unsigned int i; | |
5271 | ||
5272 | for (i = 0; i < ARRAY_SIZE (spec_function_tables); i++) | |
5273 | { | |
5274 | for (sf = spec_function_tables[i]; sf->name != NULL; sf++) | |
5275 | if (strcmp (sf->name, name) == 0) | |
5276 | return sf; | |
5277 | } | |
5278 | ||
5279 | return NULL; | |
5280 | } | |
5281 | ||
5282 | /* Evaluate a spec function. */ | |
5283 | ||
5284 | static const char * | |
1d088dee | 5285 | eval_spec_function (const char *func, const char *args) |
f3226a90 JT |
5286 | { |
5287 | const struct spec_function *sf; | |
5288 | const char *funcval; | |
5289 | ||
5290 | /* Saved spec processing context. */ | |
5291 | int save_argbuf_index; | |
5292 | int save_argbuf_length; | |
5293 | const char **save_argbuf; | |
5294 | ||
5295 | int save_arg_going; | |
5296 | int save_delete_this_arg; | |
5297 | int save_this_is_output_file; | |
5298 | int save_this_is_library_file; | |
5299 | int save_input_from_pipe; | |
5300 | const char *save_suffix_subst; | |
5301 | ||
5302 | ||
5303 | sf = lookup_spec_function (func); | |
5304 | if (sf == NULL) | |
5305 | fatal ("unknown spec function `%s'", func); | |
5306 | ||
5307 | /* Push the spec processing context. */ | |
5308 | save_argbuf_index = argbuf_index; | |
5309 | save_argbuf_length = argbuf_length; | |
5310 | save_argbuf = argbuf; | |
5311 | ||
5312 | save_arg_going = arg_going; | |
5313 | save_delete_this_arg = delete_this_arg; | |
5314 | save_this_is_output_file = this_is_output_file; | |
5315 | save_this_is_library_file = this_is_library_file; | |
5316 | save_input_from_pipe = input_from_pipe; | |
5317 | save_suffix_subst = suffix_subst; | |
5318 | ||
5319 | /* Create a new spec processing context, and build the function | |
5320 | arguments. */ | |
5321 | ||
5322 | alloc_args (); | |
5323 | if (do_spec_2 (args) < 0) | |
5324 | fatal ("error in args to spec function `%s'", func); | |
5325 | ||
5326 | /* argbuf_index is an index for the next argument to be inserted, and | |
5327 | so contains the count of the args already inserted. */ | |
5328 | ||
5329 | funcval = (*sf->func) (argbuf_index, argbuf); | |
5330 | ||
5331 | /* Pop the spec processing context. */ | |
5332 | argbuf_index = save_argbuf_index; | |
5333 | argbuf_length = save_argbuf_length; | |
5334 | free (argbuf); | |
5335 | argbuf = save_argbuf; | |
5336 | ||
5337 | arg_going = save_arg_going; | |
5338 | delete_this_arg = save_delete_this_arg; | |
5339 | this_is_output_file = save_this_is_output_file; | |
5340 | this_is_library_file = save_this_is_library_file; | |
5341 | input_from_pipe = save_input_from_pipe; | |
5342 | suffix_subst = save_suffix_subst; | |
5343 | ||
5344 | return funcval; | |
5345 | } | |
5346 | ||
5347 | /* Handle a spec function call of the form: | |
5348 | ||
5349 | %:function(args) | |
5350 | ||
5351 | ARGS is processed as a spec in a separate context and split into an | |
5352 | argument vector in the normal fashion. The function returns a string | |
5353 | containing a spec which we then process in the caller's context, or | |
5354 | NULL if no processing is required. */ | |
5355 | ||
5356 | static const char * | |
1d088dee | 5357 | handle_spec_function (const char *p) |
f3226a90 JT |
5358 | { |
5359 | char *func, *args; | |
5360 | const char *endp, *funcval; | |
5361 | int count; | |
5362 | ||
5363 | processing_spec_function++; | |
5364 | ||
5365 | /* Get the function name. */ | |
5366 | for (endp = p; *endp != '\0'; endp++) | |
5367 | { | |
5368 | if (*endp == '(') /* ) */ | |
5369 | break; | |
5370 | /* Only allow [A-Za-z0-9], -, and _ in function names. */ | |
5371 | if (!ISALNUM (*endp) && !(*endp == '-' || *endp == '_')) | |
5372 | fatal ("malformed spec function name"); | |
5373 | } | |
5374 | if (*endp != '(') /* ) */ | |
5375 | fatal ("no arguments for spec function"); | |
5376 | func = save_string (p, endp - p); | |
5377 | p = ++endp; | |
5378 | ||
5379 | /* Get the arguments. */ | |
5380 | for (count = 0; *endp != '\0'; endp++) | |
5381 | { | |
5382 | /* ( */ | |
5383 | if (*endp == ')') | |
5384 | { | |
5385 | if (count == 0) | |
5386 | break; | |
5387 | count--; | |
5388 | } | |
5389 | else if (*endp == '(') /* ) */ | |
5390 | count++; | |
5391 | } | |
5392 | /* ( */ | |
5393 | if (*endp != ')') | |
5394 | fatal ("malformed spec function arguments"); | |
5395 | args = save_string (p, endp - p); | |
5396 | p = ++endp; | |
5397 | ||
5398 | /* p now points to just past the end of the spec function expression. */ | |
5399 | ||
5400 | funcval = eval_spec_function (func, args); | |
5401 | if (funcval != NULL && do_spec_1 (funcval, 0, NULL) < 0) | |
5402 | p = NULL; | |
5403 | ||
5404 | free (func); | |
5405 | free (args); | |
5406 | ||
5407 | processing_spec_function--; | |
5408 | ||
5409 | return p; | |
5410 | } | |
5411 | ||
4977bab6 ZW |
5412 | /* Inline subroutine of handle_braces. Returns true if the current |
5413 | input suffix matches the atom bracketed by ATOM and END_ATOM. */ | |
5414 | static inline bool | |
1d088dee | 5415 | input_suffix_matches (const char *atom, const char *end_atom) |
4977bab6 ZW |
5416 | { |
5417 | return (input_suffix | |
5418 | && !strncmp (input_suffix, atom, end_atom - atom) | |
5419 | && input_suffix[end_atom - atom] == '\0'); | |
5420 | } | |
ed1f651b | 5421 | |
4977bab6 ZW |
5422 | /* Inline subroutine of handle_braces. Returns true if a switch |
5423 | matching the atom bracketed by ATOM and END_ATOM appeared on the | |
5424 | command line. */ | |
5425 | static inline bool | |
1d088dee | 5426 | switch_matches (const char *atom, const char *end_atom, int starred) |
ed1f651b | 5427 | { |
4977bab6 ZW |
5428 | int i; |
5429 | int len = end_atom - atom; | |
5430 | int plen = starred ? len : -1; | |
ed1f651b | 5431 | |
4977bab6 ZW |
5432 | for (i = 0; i < n_switches; i++) |
5433 | if (!strncmp (switches[i].part1, atom, len) | |
5434 | && (starred || switches[i].part1[len] == '\0') | |
5435 | && check_live_switch (i, plen)) | |
5436 | return true; | |
8097c429 | 5437 | |
4977bab6 ZW |
5438 | return false; |
5439 | } | |
ed1f651b | 5440 | |
4977bab6 ZW |
5441 | /* Inline subroutine of handle_braces. Mark all of the switches which |
5442 | match ATOM (extends to END_ATOM; STARRED indicates whether there | |
5443 | was a star after the atom) for later processing. */ | |
5444 | static inline void | |
1d088dee | 5445 | mark_matching_switches (const char *atom, const char *end_atom, int starred) |
4977bab6 ZW |
5446 | { |
5447 | int i; | |
5448 | int len = end_atom - atom; | |
5449 | int plen = starred ? len : -1; | |
5450 | ||
5451 | for (i = 0; i < n_switches; i++) | |
5452 | if (!strncmp (switches[i].part1, atom, len) | |
5453 | && (starred || switches[i].part1[len] == '\0') | |
5454 | && check_live_switch (i, plen)) | |
5455 | switches[i].ordering = 1; | |
5456 | } | |
9bf09437 | 5457 | |
4977bab6 ZW |
5458 | /* Inline subroutine of handle_braces. Process all the currently |
5459 | marked switches through give_switch, and clear the marks. */ | |
5460 | static inline void | |
1d088dee | 5461 | process_marked_switches (void) |
4977bab6 ZW |
5462 | { |
5463 | int i; | |
ed1f651b | 5464 | |
4977bab6 ZW |
5465 | for (i = 0; i < n_switches; i++) |
5466 | if (switches[i].ordering == 1) | |
5467 | { | |
5468 | switches[i].ordering = 0; | |
5469 | give_switch (i, 0); | |
5470 | } | |
5471 | } | |
ed1f651b | 5472 | |
4977bab6 ZW |
5473 | /* Handle a %{ ... } construct. P points just inside the leading {. |
5474 | Returns a pointer one past the end of the brace block, or 0 | |
5475 | if we call do_spec_1 and that returns -1. */ | |
ed1f651b | 5476 | |
4977bab6 | 5477 | static const char * |
1d088dee | 5478 | handle_braces (const char *p) |
4977bab6 ZW |
5479 | { |
5480 | const char *atom, *end_atom; | |
5481 | const char *d_atom = NULL, *d_end_atom = NULL; | |
8097c429 | 5482 | |
4977bab6 ZW |
5483 | bool a_is_suffix; |
5484 | bool a_is_starred; | |
5485 | bool a_is_negated; | |
5486 | bool a_matched; | |
9bf09437 | 5487 | |
4977bab6 ZW |
5488 | bool a_must_be_last = false; |
5489 | bool ordered_set = false; | |
5490 | bool disjunct_set = false; | |
5491 | bool disj_matched = false; | |
5492 | bool disj_starred = true; | |
5493 | bool n_way_choice = false; | |
5494 | bool n_way_matched = false; | |
5495 | ||
5496 | #define SKIP_WHITE() do { while (*p == ' ' || *p == '\t') p++; } while (0) | |
9bf09437 | 5497 | |
4977bab6 | 5498 | do |
ed1f651b | 5499 | { |
4977bab6 ZW |
5500 | if (a_must_be_last) |
5501 | abort (); | |
9bf09437 | 5502 | |
4977bab6 ZW |
5503 | /* Scan one "atom" (S in the description above of %{}, possibly |
5504 | with !, ., or * modifiers). */ | |
5505 | a_matched = a_is_suffix = a_is_starred = a_is_negated = false; | |
9218435e | 5506 | |
4977bab6 ZW |
5507 | SKIP_WHITE(); |
5508 | if (*p == '!') | |
5509 | p++, a_is_negated = true; | |
ed1f651b | 5510 | |
4977bab6 ZW |
5511 | SKIP_WHITE(); |
5512 | if (*p == '.') | |
5513 | p++, a_is_suffix = true; | |
ed1f651b | 5514 | |
4977bab6 ZW |
5515 | atom = p; |
5516 | while (ISIDNUM(*p) || *p == '-' || *p == '+' || *p == '=' | |
cde26509 | 5517 | || *p == ',' || *p == '.' || *p == '@') |
4977bab6 ZW |
5518 | p++; |
5519 | end_atom = p; | |
ed1f651b | 5520 | |
4977bab6 ZW |
5521 | if (*p == '*') |
5522 | p++, a_is_starred = 1; | |
196a37f4 | 5523 | |
4977bab6 ZW |
5524 | SKIP_WHITE(); |
5525 | if (*p == '&' || *p == '}') | |
5526 | { | |
5527 | /* Substitute the switch(es) indicated by the current atom. */ | |
5528 | ordered_set = true; | |
5529 | if (disjunct_set || n_way_choice || a_is_negated || a_is_suffix | |
5530 | || atom == end_atom) | |
5531 | abort (); | |
ed1f651b | 5532 | |
4977bab6 ZW |
5533 | mark_matching_switches (atom, end_atom, a_is_starred); |
5534 | ||
5535 | if (*p == '}') | |
5536 | process_marked_switches (); | |
5537 | } | |
5538 | else if (*p == '|' || *p == ':') | |
ed1f651b | 5539 | { |
4977bab6 ZW |
5540 | /* Substitute some text if the current atom appears as a switch |
5541 | or suffix. */ | |
5542 | disjunct_set = true; | |
5543 | if (ordered_set) | |
5544 | abort (); | |
ed1f651b | 5545 | |
4977bab6 | 5546 | if (atom == end_atom) |
ed1f651b | 5547 | { |
4977bab6 ZW |
5548 | if (!n_way_choice || disj_matched || *p == '|' |
5549 | || a_is_negated || a_is_suffix || a_is_starred) | |
5550 | abort (); | |
5551 | ||
5552 | /* An empty term may appear as the last choice of an | |
5553 | N-way choice set; it means "otherwise". */ | |
5554 | a_must_be_last = true; | |
5555 | disj_matched = !n_way_matched; | |
5556 | disj_starred = false; | |
ed1f651b | 5557 | } |
4977bab6 | 5558 | else |
ed1f651b | 5559 | { |
4977bab6 ZW |
5560 | if (a_is_suffix && a_is_starred) |
5561 | abort (); | |
5562 | ||
5563 | if (!a_is_starred) | |
5564 | disj_starred = false; | |
5565 | ||
5566 | /* Don't bother testing this atom if we already have a | |
5567 | match. */ | |
5568 | if (!disj_matched && !n_way_matched) | |
5569 | { | |
5570 | if (a_is_suffix) | |
5571 | a_matched = input_suffix_matches (atom, end_atom); | |
5572 | else | |
5573 | a_matched = switch_matches (atom, end_atom, a_is_starred); | |
5574 | ||
5575 | if (a_matched != a_is_negated) | |
5576 | { | |
5577 | disj_matched = true; | |
5578 | d_atom = atom; | |
5579 | d_end_atom = end_atom; | |
5580 | } | |
5581 | } | |
ed1f651b | 5582 | } |
ed1f651b | 5583 | |
4977bab6 | 5584 | if (*p == ':') |
ed1f651b | 5585 | { |
4977bab6 ZW |
5586 | /* Found the body, that is, the text to substitute if the |
5587 | current disjunction matches. */ | |
5588 | p = process_brace_body (p + 1, d_atom, d_end_atom, disj_starred, | |
5589 | disj_matched && !n_way_matched); | |
5590 | if (p == 0) | |
5591 | return 0; | |
ed1f651b | 5592 | |
4977bab6 ZW |
5593 | /* If we have an N-way choice, reset state for the next |
5594 | disjunction. */ | |
5595 | if (*p == ';') | |
ed1f651b | 5596 | { |
4977bab6 ZW |
5597 | n_way_choice = true; |
5598 | n_way_matched |= disj_matched; | |
5599 | disj_matched = false; | |
5600 | disj_starred = true; | |
5601 | d_atom = d_end_atom = NULL; | |
ed1f651b RS |
5602 | } |
5603 | } | |
5604 | } | |
ed1f651b | 5605 | else |
4977bab6 ZW |
5606 | abort (); |
5607 | } | |
5608 | while (*p++ != '}'); | |
ed1f651b | 5609 | |
4977bab6 ZW |
5610 | return p; |
5611 | ||
5612 | #undef SKIP_WHITE | |
5613 | } | |
5614 | ||
5615 | /* Subroutine of handle_braces. Scan and process a brace substitution body | |
5616 | (X in the description of %{} syntax). P points one past the colon; | |
5617 | ATOM and END_ATOM bracket the first atom which was found to be true | |
5618 | (present) in the current disjunction; STARRED indicates whether all | |
5619 | the atoms in the current disjunction were starred (for syntax validation); | |
5620 | MATCHED indicates whether the disjunction matched or not, and therefore | |
5621 | whether or not the body is to be processed through do_spec_1 or just | |
5622 | skipped. Returns a pointer to the closing } or ;, or 0 if do_spec_1 | |
5623 | returns -1. */ | |
5624 | ||
5625 | static const char * | |
1d088dee AJ |
5626 | process_brace_body (const char *p, const char *atom, const char *end_atom, |
5627 | int starred, int matched) | |
4977bab6 ZW |
5628 | { |
5629 | const char *body, *end_body; | |
5630 | unsigned int nesting_level; | |
5631 | bool have_subst = false; | |
5632 | ||
5633 | /* Locate the closing } or ;, honoring nested braces. | |
5634 | Trim trailing whitespace. */ | |
5635 | body = p; | |
5636 | nesting_level = 1; | |
5637 | for (;;) | |
5638 | { | |
5639 | if (*p == '{') | |
5640 | nesting_level++; | |
5641 | else if (*p == '}') | |
ed1f651b | 5642 | { |
4977bab6 ZW |
5643 | if (!--nesting_level) |
5644 | break; | |
ed1f651b | 5645 | } |
4977bab6 ZW |
5646 | else if (*p == ';' && nesting_level == 1) |
5647 | break; | |
5648 | else if (*p == '%' && p[1] == '*' && nesting_level == 1) | |
5649 | have_subst = true; | |
5650 | else if (*p == '\0') | |
5651 | abort (); | |
5652 | p++; | |
ed1f651b | 5653 | } |
1d088dee | 5654 | |
4977bab6 ZW |
5655 | end_body = p; |
5656 | while (end_body[-1] == ' ' || end_body[-1] == '\t') | |
5657 | end_body--; | |
ed1f651b | 5658 | |
4977bab6 ZW |
5659 | if (have_subst && !starred) |
5660 | abort (); | |
9bf09437 | 5661 | |
4977bab6 | 5662 | if (matched) |
196a37f4 | 5663 | { |
4977bab6 ZW |
5664 | /* Copy the substitution body to permanent storage and execute it. |
5665 | If have_subst is false, this is a simple matter of running the | |
5666 | body through do_spec_1... */ | |
5667 | char *string = save_string (body, end_body - body); | |
5668 | if (!have_subst) | |
5669 | { | |
5670 | if (do_spec_1 (string, 0, NULL) < 0) | |
5671 | return 0; | |
5672 | } | |
5673 | else | |
5674 | { | |
5675 | /* ... but if have_subst is true, we have to process the | |
5676 | body once for each matching switch, with %* set to the | |
5677 | variant part of the switch. */ | |
5678 | unsigned int hard_match_len = end_atom - atom; | |
5679 | int i; | |
196a37f4 | 5680 | |
4977bab6 ZW |
5681 | for (i = 0; i < n_switches; i++) |
5682 | if (!strncmp (switches[i].part1, atom, hard_match_len) | |
5683 | && check_live_switch (i, hard_match_len)) | |
5684 | { | |
5685 | if (do_spec_1 (string, 0, | |
5686 | &switches[i].part1[hard_match_len]) < 0) | |
5687 | return 0; | |
5688 | /* Pass any arguments this switch has. */ | |
5689 | give_switch (i, 1); | |
5690 | suffix_subst = NULL; | |
5691 | } | |
5692 | } | |
10ebf5fe NB |
5693 | } |
5694 | ||
4977bab6 | 5695 | return p; |
ed1f651b | 5696 | } |
f5b0eb4e | 5697 | \f |
6c396fb5 RK |
5698 | /* Return 0 iff switch number SWITCHNUM is obsoleted by a later switch |
5699 | on the command line. PREFIX_LENGTH is the length of XXX in an {XXX*} | |
5700 | spec, or -1 if either exact match or %* is used. | |
f5b0eb4e RK |
5701 | |
5702 | A -O switch is obsoleted by a later -O switch. A -f, -m, or -W switch | |
5703 | whose value does not begin with "no-" is obsoleted by the same value | |
5704 | with the "no-", similarly for a switch with the "no-" prefix. */ | |
5705 | ||
5706 | static int | |
1d088dee | 5707 | check_live_switch (int switchnum, int prefix_length) |
f5b0eb4e | 5708 | { |
878f32c3 | 5709 | const char *name = switches[switchnum].part1; |
f5b0eb4e RK |
5710 | int i; |
5711 | ||
6c396fb5 | 5712 | /* In the common case of {<at-most-one-letter>*}, a negating |
f5b0eb4e RK |
5713 | switch would always match, so ignore that case. We will just |
5714 | send the conflicting switches to the compiler phase. */ | |
6c396fb5 | 5715 | if (prefix_length >= 0 && prefix_length <= 1) |
f5b0eb4e RK |
5716 | return 1; |
5717 | ||
5718 | /* If we already processed this switch and determined if it was | |
5719 | live or not, return our past determination. */ | |
5720 | if (switches[switchnum].live_cond != 0) | |
5721 | return switches[switchnum].live_cond > 0; | |
5722 | ||
5723 | /* Now search for duplicate in a manner that depends on the name. */ | |
5724 | switch (*name) | |
5725 | { | |
5726 | case 'O': | |
d25a45d4 KH |
5727 | for (i = switchnum + 1; i < n_switches; i++) |
5728 | if (switches[i].part1[0] == 'O') | |
5729 | { | |
5730 | switches[switchnum].validated = 1; | |
5731 | switches[switchnum].live_cond = SWITCH_FALSE; | |
5732 | return 0; | |
5733 | } | |
f5b0eb4e | 5734 | break; |
ed1f651b | 5735 | |
f5b0eb4e | 5736 | case 'W': case 'f': case 'm': |
6c396fb5 | 5737 | if (! strncmp (name + 1, "no-", 3)) |
f5b0eb4e | 5738 | { |
0f41302f | 5739 | /* We have Xno-YYY, search for XYYY. */ |
f5b0eb4e RK |
5740 | for (i = switchnum + 1; i < n_switches; i++) |
5741 | if (switches[i].part1[0] == name[0] | |
5742 | && ! strcmp (&switches[i].part1[1], &name[4])) | |
d25a45d4 KH |
5743 | { |
5744 | switches[switchnum].validated = 1; | |
5745 | switches[switchnum].live_cond = SWITCH_FALSE; | |
5746 | return 0; | |
5747 | } | |
f5b0eb4e RK |
5748 | } |
5749 | else | |
5750 | { | |
5751 | /* We have XYYY, search for Xno-YYY. */ | |
5752 | for (i = switchnum + 1; i < n_switches; i++) | |
5753 | if (switches[i].part1[0] == name[0] | |
5754 | && switches[i].part1[1] == 'n' | |
5755 | && switches[i].part1[2] == 'o' | |
5756 | && switches[i].part1[3] == '-' | |
5757 | && !strcmp (&switches[i].part1[4], &name[1])) | |
d25a45d4 KH |
5758 | { |
5759 | switches[switchnum].validated = 1; | |
5760 | switches[switchnum].live_cond = SWITCH_FALSE; | |
5761 | return 0; | |
5762 | } | |
f5b0eb4e RK |
5763 | } |
5764 | break; | |
5765 | } | |
5766 | ||
5767 | /* Otherwise the switch is live. */ | |
8097c429 | 5768 | switches[switchnum].live_cond = SWITCH_LIVE; |
f5b0eb4e RK |
5769 | return 1; |
5770 | } | |
5771 | \f | |
ed1f651b RS |
5772 | /* Pass a switch to the current accumulating command |
5773 | in the same form that we received it. | |
5774 | SWITCHNUM identifies the switch; it is an index into | |
5775 | the vector of switches gcc received, which is `switches'. | |
5776 | This cannot fail since it never finishes a command line. | |
5777 | ||
4977bab6 | 5778 | If OMIT_FIRST_WORD is nonzero, then we omit .part1 of the argument. */ |
ed1f651b RS |
5779 | |
5780 | static void | |
1d088dee | 5781 | give_switch (int switchnum, int omit_first_word) |
ed1f651b | 5782 | { |
8097c429 TT |
5783 | if (switches[switchnum].live_cond == SWITCH_IGNORE) |
5784 | return; | |
5785 | ||
ed1f651b RS |
5786 | if (!omit_first_word) |
5787 | { | |
6496a589 KG |
5788 | do_spec_1 ("-", 0, NULL); |
5789 | do_spec_1 (switches[switchnum].part1, 1, NULL); | |
ed1f651b | 5790 | } |
1ba9a487 | 5791 | |
ed1f651b RS |
5792 | if (switches[switchnum].args != 0) |
5793 | { | |
fbd40359 | 5794 | const char **p; |
ed1f651b RS |
5795 | for (p = switches[switchnum].args; *p; p++) |
5796 | { | |
11972f66 NS |
5797 | const char *arg = *p; |
5798 | ||
4977bab6 | 5799 | do_spec_1 (" ", 0, NULL); |
11972f66 NS |
5800 | if (suffix_subst) |
5801 | { | |
5802 | unsigned length = strlen (arg); | |
e65677af | 5803 | int dot = 0; |
11972f66 NS |
5804 | |
5805 | while (length-- && !IS_DIR_SEPARATOR (arg[length])) | |
5806 | if (arg[length] == '.') | |
5807 | { | |
5808 | ((char *)arg)[length] = 0; | |
e65677af | 5809 | dot = 1; |
11972f66 NS |
5810 | break; |
5811 | } | |
6496a589 | 5812 | do_spec_1 (arg, 1, NULL); |
e65677af JJ |
5813 | if (dot) |
5814 | ((char *)arg)[length] = '.'; | |
5815 | do_spec_1 (suffix_subst, 1, NULL); | |
11972f66 NS |
5816 | } |
5817 | else | |
6496a589 | 5818 | do_spec_1 (arg, 1, NULL); |
ed1f651b RS |
5819 | } |
5820 | } | |
1ba9a487 | 5821 | |
6496a589 | 5822 | do_spec_1 (" ", 0, NULL); |
ab87f8c8 | 5823 | switches[switchnum].validated = 1; |
ed1f651b RS |
5824 | } |
5825 | \f | |
5826 | /* Search for a file named NAME trying various prefixes including the | |
5827 | user's -B prefix and some standard ones. | |
5828 | Return the absolute file name found. If nothing is found, return NAME. */ | |
5829 | ||
878f32c3 | 5830 | static const char * |
1d088dee | 5831 | find_file (const char *name) |
ed1f651b RS |
5832 | { |
5833 | char *newname; | |
5834 | ||
60103a34 | 5835 | /* Try multilib_dir if it is defined. */ |
5bbcd587 | 5836 | if (multilib_os_dir != NULL) |
60103a34 | 5837 | { |
5bbcd587 | 5838 | newname = find_a_file (&startfile_prefixes, name, R_OK, 1); |
60103a34 DE |
5839 | |
5840 | /* If we don't find it in the multi library dir, then fall | |
5841 | through and look for it in the normal places. */ | |
5842 | if (newname != NULL) | |
5843 | return newname; | |
5844 | } | |
5845 | ||
5bbcd587 | 5846 | newname = find_a_file (&startfile_prefixes, name, R_OK, 0); |
ed1f651b RS |
5847 | return newname ? newname : name; |
5848 | } | |
5849 | ||
0ad5835e ILT |
5850 | /* Determine whether a directory exists. If LINKER, return 0 for |
5851 | certain fixed names not needed by the linker. If not LINKER, it is | |
5852 | only important to return 0 if the host machine has a small ARG_MAX | |
5853 | limit. */ | |
ed1f651b RS |
5854 | |
5855 | static int | |
1d088dee | 5856 | is_directory (const char *path1, const char *path2, int linker) |
ed1f651b RS |
5857 | { |
5858 | int len1 = strlen (path1); | |
5859 | int len2 = strlen (path2); | |
703ad42b | 5860 | char *path = alloca (3 + len1 + len2); |
ed1f651b RS |
5861 | char *cp; |
5862 | struct stat st; | |
5863 | ||
0ad5835e ILT |
5864 | #ifndef SMALL_ARG_MAX |
5865 | if (! linker) | |
5866 | return 1; | |
5867 | #endif | |
5868 | ||
ed1f651b RS |
5869 | /* Construct the path from the two parts. Ensure the string ends with "/.". |
5870 | The resulting path will be a directory even if the given path is a | |
5871 | symbolic link. */ | |
7e2231e7 PB |
5872 | memcpy (path, path1, len1); |
5873 | memcpy (path + len1, path2, len2); | |
ed1f651b | 5874 | cp = path + len1 + len2; |
509781a4 | 5875 | if (!IS_DIR_SEPARATOR (cp[-1])) |
48ff801b | 5876 | *cp++ = DIR_SEPARATOR; |
ed1f651b RS |
5877 | *cp++ = '.'; |
5878 | *cp = '\0'; | |
5879 | ||
5880 | /* Exclude directories that the linker is known to search. */ | |
0ad5835e | 5881 | if (linker |
48ff801b | 5882 | && ((cp - path == 6 |
9218435e | 5883 | && strcmp (path, concat (dir_separator_str, "lib", |
d4f2852f | 5884 | dir_separator_str, ".", NULL)) == 0) |
48ff801b | 5885 | || (cp - path == 10 |
9218435e KH |
5886 | && strcmp (path, concat (dir_separator_str, "usr", |
5887 | dir_separator_str, "lib", | |
d4f2852f | 5888 | dir_separator_str, ".", NULL)) == 0))) |
ed1f651b RS |
5889 | return 0; |
5890 | ||
5891 | return (stat (path, &st) >= 0 && S_ISDIR (st.st_mode)); | |
5892 | } | |
512b62fb JM |
5893 | |
5894 | /* Set up the various global variables to indicate that we're processing | |
5895 | the input file named FILENAME. */ | |
5896 | ||
b856c15d | 5897 | void |
1d088dee | 5898 | set_input (const char *filename) |
512b62fb | 5899 | { |
b3694847 | 5900 | const char *p; |
512b62fb JM |
5901 | |
5902 | input_filename = filename; | |
5903 | input_filename_length = strlen (input_filename); | |
9218435e | 5904 | |
512b62fb | 5905 | input_basename = input_filename; |
4ebe197a ME |
5906 | #ifdef HAVE_DOS_BASED_FILE_SYSTEM |
5907 | /* Skip drive name so 'x:foo' is handled properly. */ | |
5908 | if (input_basename[1] == ':') | |
5909 | input_basename += 2; | |
5910 | #endif | |
5911 | for (p = input_basename; *p; p++) | |
512b62fb JM |
5912 | if (IS_DIR_SEPARATOR (*p)) |
5913 | input_basename = p + 1; | |
5914 | ||
5915 | /* Find a suffix starting with the last period, | |
5916 | and set basename_length to exclude that suffix. */ | |
5917 | basename_length = strlen (input_basename); | |
ea414c97 | 5918 | suffixed_basename_length = basename_length; |
512b62fb | 5919 | p = input_basename + basename_length; |
d25a45d4 KH |
5920 | while (p != input_basename && *p != '.') |
5921 | --p; | |
512b62fb JM |
5922 | if (*p == '.' && p != input_basename) |
5923 | { | |
5924 | basename_length = p - input_basename; | |
5925 | input_suffix = p + 1; | |
5926 | } | |
5927 | else | |
5928 | input_suffix = ""; | |
589005ff | 5929 | |
99f78cdd IR |
5930 | /* If a spec for 'g', 'u', or 'U' is seen with -save-temps then |
5931 | we will need to do a stat on the input_filename. The | |
5932 | INPUT_STAT_SET signals that the stat is needed. */ | |
5933 | input_stat_set = 0; | |
512b62fb | 5934 | } |
ed1f651b RS |
5935 | \f |
5936 | /* On fatal signals, delete all the temporary files. */ | |
5937 | ||
5938 | static void | |
1d088dee | 5939 | fatal_error (int signum) |
ed1f651b RS |
5940 | { |
5941 | signal (signum, SIG_DFL); | |
5942 | delete_failure_queue (); | |
5943 | delete_temp_files (); | |
5944 | /* Get the same signal again, this time not handled, | |
5945 | so its normal effect occurs. */ | |
5946 | kill (getpid (), signum); | |
5947 | } | |
5948 | ||
e451301f | 5949 | extern int main (int, const char **); |
a8f227e7 | 5950 | |
ed1f651b | 5951 | int |
e451301f | 5952 | main (int argc, const char **argv) |
ed1f651b | 5953 | { |
ea414c97 | 5954 | size_t i; |
ed1f651b | 5955 | int value; |
ed1f651b | 5956 | int linker_was_run = 0; |
0855eab7 | 5957 | int lang_n_infiles = 0; |
17211ab5 | 5958 | int num_linker_inputs = 0; |
ed1f651b RS |
5959 | char *explicit_link_files; |
5960 | char *specs_file; | |
878f32c3 | 5961 | const char *p; |
d9ac3a07 | 5962 | struct user_specs *uptr; |
ed1f651b | 5963 | |
afcd8a02 | 5964 | p = argv[0] + strlen (argv[0]); |
509781a4 ME |
5965 | while (p != argv[0] && !IS_DIR_SEPARATOR (p[-1])) |
5966 | --p; | |
afcd8a02 | 5967 | programname = p; |
ed1f651b | 5968 | |
e1a132c6 RK |
5969 | xmalloc_set_program_name (programname); |
5970 | ||
93284395 | 5971 | #ifdef GCC_DRIVER_HOST_INITIALIZATION |
ff7cc307 | 5972 | /* Perform host dependent initialization when needed. */ |
93284395 ME |
5973 | GCC_DRIVER_HOST_INITIALIZATION; |
5974 | #endif | |
5975 | ||
191bf464 | 5976 | gcc_init_libintl (); |
ab87f8c8 | 5977 | |
ed1f651b RS |
5978 | if (signal (SIGINT, SIG_IGN) != SIG_IGN) |
5979 | signal (SIGINT, fatal_error); | |
2a353d3a | 5980 | #ifdef SIGHUP |
ed1f651b RS |
5981 | if (signal (SIGHUP, SIG_IGN) != SIG_IGN) |
5982 | signal (SIGHUP, fatal_error); | |
2a353d3a | 5983 | #endif |
ed1f651b RS |
5984 | if (signal (SIGTERM, SIG_IGN) != SIG_IGN) |
5985 | signal (SIGTERM, fatal_error); | |
5986 | #ifdef SIGPIPE | |
5987 | if (signal (SIGPIPE, SIG_IGN) != SIG_IGN) | |
5988 | signal (SIGPIPE, fatal_error); | |
5989 | #endif | |
798bdf70 | 5990 | #ifdef SIGCHLD |
0bf679a3 BK |
5991 | /* We *MUST* set SIGCHLD to SIG_DFL so that the wait4() call will |
5992 | receive the signal. A different setting is inheritable */ | |
5993 | signal (SIGCHLD, SIG_DFL); | |
798bdf70 | 5994 | #endif |
ed1f651b | 5995 | |
f3226a90 JT |
5996 | /* Allocate the argument vector. */ |
5997 | alloc_args (); | |
ed1f651b RS |
5998 | |
5999 | obstack_init (&obstack); | |
6000 | ||
961b7009 MM |
6001 | /* Build multilib_select, et. al from the separate lines that make up each |
6002 | multilib selection. */ | |
ffd86336 | 6003 | { |
3b304f5b | 6004 | const char *const *q = multilib_raw; |
961b7009 | 6005 | int need_space; |
ffd86336 JW |
6006 | |
6007 | obstack_init (&multilib_obstack); | |
0f41302f | 6008 | while ((p = *q++) != (char *) 0) |
ffd86336 JW |
6009 | obstack_grow (&multilib_obstack, p, strlen (p)); |
6010 | ||
6011 | obstack_1grow (&multilib_obstack, 0); | |
6012 | multilib_select = obstack_finish (&multilib_obstack); | |
961b7009 MM |
6013 | |
6014 | q = multilib_matches_raw; | |
6015 | while ((p = *q++) != (char *) 0) | |
6016 | obstack_grow (&multilib_obstack, p, strlen (p)); | |
6017 | ||
6018 | obstack_1grow (&multilib_obstack, 0); | |
6019 | multilib_matches = obstack_finish (&multilib_obstack); | |
6020 | ||
0a8d6618 BC |
6021 | q = multilib_exclusions_raw; |
6022 | while ((p = *q++) != (char *) 0) | |
d25a45d4 | 6023 | obstack_grow (&multilib_obstack, p, strlen (p)); |
0a8d6618 BC |
6024 | |
6025 | obstack_1grow (&multilib_obstack, 0); | |
6026 | multilib_exclusions = obstack_finish (&multilib_obstack); | |
9218435e | 6027 | |
961b7009 | 6028 | need_space = FALSE; |
b6a1cbae | 6029 | for (i = 0; i < ARRAY_SIZE (multilib_defaults_raw); i++) |
961b7009 MM |
6030 | { |
6031 | if (need_space) | |
6032 | obstack_1grow (&multilib_obstack, ' '); | |
6033 | obstack_grow (&multilib_obstack, | |
6034 | multilib_defaults_raw[i], | |
6035 | strlen (multilib_defaults_raw[i])); | |
6036 | need_space = TRUE; | |
6037 | } | |
6038 | ||
6039 | obstack_1grow (&multilib_obstack, 0); | |
6040 | multilib_defaults = obstack_finish (&multilib_obstack); | |
ffd86336 JW |
6041 | } |
6042 | ||
b3865ca9 | 6043 | /* Set up to remember the pathname of gcc and any options |
1d23c208 JW |
6044 | needed for collect. We use argv[0] instead of programname because |
6045 | we need the complete pathname. */ | |
b3865ca9 | 6046 | obstack_init (&collect_obstack); |
d25a45d4 KH |
6047 | obstack_grow (&collect_obstack, "COLLECT_GCC=", sizeof ("COLLECT_GCC=") - 1); |
6048 | obstack_grow (&collect_obstack, argv[0], strlen (argv[0]) + 1); | |
b3865ca9 RS |
6049 | putenv (obstack_finish (&collect_obstack)); |
6050 | ||
8faf4a68 JW |
6051 | #ifdef INIT_ENVIRONMENT |
6052 | /* Set up any other necessary machine specific environment variables. */ | |
6053 | putenv (INIT_ENVIRONMENT); | |
6054 | #endif | |
6055 | ||
ed1f651b RS |
6056 | /* Make a table of what switches there are (switches, n_switches). |
6057 | Make a table of specified input files (infiles, n_infiles). | |
6058 | Decode switches that are handled locally. */ | |
6059 | ||
6060 | process_command (argc, argv); | |
6061 | ||
6062 | /* Initialize the vector of specs to just the default. | |
6063 | This means one element containing 0s, as a terminator. */ | |
6064 | ||
703ad42b KG |
6065 | compilers = xmalloc (sizeof default_compilers); |
6066 | memcpy (compilers, default_compilers, sizeof default_compilers); | |
ed1f651b RS |
6067 | n_compilers = n_default_compilers; |
6068 | ||
6069 | /* Read specs from a file if there is one. */ | |
6070 | ||
6aa62cff | 6071 | machine_suffix = concat (spec_machine, dir_separator_str, |
d4f2852f KG |
6072 | spec_version, dir_separator_str, NULL); |
6073 | just_machine_suffix = concat (spec_machine, dir_separator_str, NULL); | |
ed1f651b | 6074 | |
5bbcd587 | 6075 | specs_file = find_a_file (&startfile_prefixes, "specs", R_OK, 0); |
ed1f651b RS |
6076 | /* Read the specs file unless it is a default one. */ |
6077 | if (specs_file != 0 && strcmp (specs_file, "specs")) | |
20df0482 MM |
6078 | read_specs (specs_file, TRUE); |
6079 | else | |
6080 | init_spec (); | |
841faeed | 6081 | |
5bb67e36 | 6082 | /* We need to check standard_exec_prefix/just_machine_suffix/specs |
3ac63d94 | 6083 | for any override of as, ld and libraries. */ |
703ad42b KG |
6084 | specs_file = alloca (strlen (standard_exec_prefix) |
6085 | + strlen (just_machine_suffix) + sizeof ("specs")); | |
5bb67e36 RK |
6086 | |
6087 | strcpy (specs_file, standard_exec_prefix); | |
6088 | strcat (specs_file, just_machine_suffix); | |
6089 | strcat (specs_file, "specs"); | |
6090 | if (access (specs_file, R_OK) == 0) | |
6091 | read_specs (specs_file, TRUE); | |
9218435e | 6092 | |
7816bea0 DJ |
6093 | /* Process any configure-time defaults specified for the command line |
6094 | options, via OPTION_DEFAULT_SPECS. */ | |
6095 | for (i = 0; i < ARRAY_SIZE (option_default_specs); i++) | |
6096 | do_option_spec (option_default_specs[i].name, | |
6097 | option_default_specs[i].spec); | |
6098 | ||
3bd6d4c4 AO |
6099 | /* Process DRIVER_SELF_SPECS, adding any new options to the end |
6100 | of the command line. */ | |
6101 | ||
6102 | for (i = 0; i < ARRAY_SIZE (driver_self_specs); i++) | |
6103 | do_self_spec (driver_self_specs[i]); | |
6104 | ||
4977bab6 ZW |
6105 | /* If not cross-compiling, look for executables in the standard |
6106 | places. */ | |
6107 | if (*cross_compile == '0') | |
004fd4d5 | 6108 | { |
2296d164 RK |
6109 | if (*md_exec_prefix) |
6110 | { | |
6111 | add_prefix (&exec_prefixes, md_exec_prefix, "GCC", | |
5bbcd587 | 6112 | PREFIX_PRIORITY_LAST, 0, NULL, 0); |
2296d164 | 6113 | } |
4977bab6 ZW |
6114 | } |
6115 | ||
71c0e7fc | 6116 | /* Process sysroot_suffix_spec. */ |
e7f13528 GP |
6117 | if (*sysroot_suffix_spec != 0 |
6118 | && do_spec_2 (sysroot_suffix_spec) == 0) | |
6119 | { | |
6120 | if (argbuf_index > 1) | |
6121 | error ("spec failure: more than one arg to SYSROOT_SUFFIX_SPEC."); | |
6122 | else if (argbuf_index == 1) | |
6123 | target_sysroot_suffix = xstrdup (argbuf[argbuf_index -1]); | |
6124 | } | |
6125 | ||
71c0e7fc | 6126 | /* Process sysroot_hdrs_suffix_spec. */ |
e7f13528 GP |
6127 | if (*sysroot_hdrs_suffix_spec != 0 |
6128 | && do_spec_2 (sysroot_hdrs_suffix_spec) == 0) | |
6129 | { | |
6130 | if (argbuf_index > 1) | |
6131 | error ("spec failure: more than one arg to SYSROOT_HEADERS_SUFFIX_SPEC."); | |
6132 | else if (argbuf_index == 1) | |
6133 | target_sysroot_hdrs_suffix = xstrdup (argbuf[argbuf_index -1]); | |
6134 | } | |
6135 | ||
4977bab6 ZW |
6136 | /* Look for startfiles in the standard places. */ |
6137 | if (*startfile_prefix_spec != 0 | |
6138 | && do_spec_2 (startfile_prefix_spec) == 0 | |
6139 | && do_spec_1 (" ", 0, NULL) == 0) | |
6140 | { | |
6141 | int ndx; | |
6142 | for (ndx = 0; ndx < argbuf_index; ndx++) | |
6143 | add_sysrooted_prefix (&startfile_prefixes, argbuf[ndx], "BINUTILS", | |
6144 | PREFIX_PRIORITY_LAST, 0, NULL, 1); | |
6145 | } | |
6146 | /* We should eventually get rid of all these and stick to | |
6147 | startfile_prefix_spec exclusively. */ | |
6148 | else if (*cross_compile == '0' || target_system_root) | |
6149 | { | |
6150 | if (*md_exec_prefix) | |
6151 | add_sysrooted_prefix (&startfile_prefixes, md_exec_prefix, "GCC", | |
6152 | PREFIX_PRIORITY_LAST, 0, NULL, 1); | |
004fd4d5 | 6153 | |
2296d164 | 6154 | if (*md_startfile_prefix) |
4977bab6 ZW |
6155 | add_sysrooted_prefix (&startfile_prefixes, md_startfile_prefix, |
6156 | "GCC", PREFIX_PRIORITY_LAST, 0, NULL, 1); | |
004fd4d5 | 6157 | |
2296d164 | 6158 | if (*md_startfile_prefix_1) |
4977bab6 ZW |
6159 | add_sysrooted_prefix (&startfile_prefixes, md_startfile_prefix_1, |
6160 | "GCC", PREFIX_PRIORITY_LAST, 0, NULL, 1); | |
607a4f7d | 6161 | |
4dbc7773 ILT |
6162 | /* If standard_startfile_prefix is relative, base it on |
6163 | standard_exec_prefix. This lets us move the installed tree | |
6164 | as a unit. If GCC_EXEC_PREFIX is defined, base | |
0d037580 DJ |
6165 | standard_startfile_prefix on that as well. |
6166 | ||
6167 | If the prefix is relative, only search it for native compilers; | |
6168 | otherwise we will search a directory containing host libraries. */ | |
3dce1408 | 6169 | if (IS_ABSOLUTE_PATH (standard_startfile_prefix)) |
4977bab6 ZW |
6170 | add_sysrooted_prefix (&startfile_prefixes, |
6171 | standard_startfile_prefix, "BINUTILS", | |
6172 | PREFIX_PRIORITY_LAST, 0, NULL, 1); | |
0d037580 | 6173 | else if (*cross_compile == '0') |
4dbc7773 ILT |
6174 | { |
6175 | if (gcc_exec_prefix) | |
48ff801b | 6176 | add_prefix (&startfile_prefixes, |
6aa62cff | 6177 | concat (gcc_exec_prefix, machine_suffix, |
d4f2852f | 6178 | standard_startfile_prefix, NULL), |
5bbcd587 | 6179 | NULL, PREFIX_PRIORITY_LAST, 0, NULL, 1); |
48ff801b | 6180 | add_prefix (&startfile_prefixes, |
6aa62cff DE |
6181 | concat (standard_exec_prefix, |
6182 | machine_suffix, | |
d4f2852f | 6183 | standard_startfile_prefix, NULL), |
5bbcd587 | 6184 | NULL, PREFIX_PRIORITY_LAST, 0, NULL, 1); |
9218435e | 6185 | } |
4dbc7773 | 6186 | |
4977bab6 ZW |
6187 | add_sysrooted_prefix (&startfile_prefixes, standard_startfile_prefix_1, |
6188 | "BINUTILS", PREFIX_PRIORITY_LAST, 0, NULL, 1); | |
6189 | add_sysrooted_prefix (&startfile_prefixes, standard_startfile_prefix_2, | |
6190 | "BINUTILS", PREFIX_PRIORITY_LAST, 0, NULL, 1); | |
004fd4d5 | 6191 | #if 0 /* Can cause surprises, and one can use -B./ instead. */ |
6496a589 | 6192 | add_prefix (&startfile_prefixes, "./", NULL, |
5bbcd587 | 6193 | PREFIX_PRIORITY_LAST, 1, NULL, 0); |
004fd4d5 RS |
6194 | #endif |
6195 | } | |
343f59d9 | 6196 | |
8607048d TT |
6197 | /* Process any user specified specs in the order given on the command |
6198 | line. */ | |
6199 | for (uptr = user_specs_head; uptr; uptr = uptr->next) | |
6200 | { | |
5bbcd587 JJ |
6201 | char *filename = find_a_file (&startfile_prefixes, uptr->filename, |
6202 | R_OK, 0); | |
8607048d TT |
6203 | read_specs (filename ? filename : uptr->filename, FALSE); |
6204 | } | |
6205 | ||
e8601ecb JW |
6206 | /* If we have a GCC_EXEC_PREFIX envvar, modify it for cpp's sake. */ |
6207 | if (gcc_exec_prefix) | |
cb6edbcb KG |
6208 | gcc_exec_prefix = concat (gcc_exec_prefix, spec_machine, dir_separator_str, |
6209 | spec_version, dir_separator_str, NULL); | |
004fd4d5 | 6210 | |
ed1f651b RS |
6211 | /* Now we have the specs. |
6212 | Set the `valid' bits for switches that match anything in any spec. */ | |
6213 | ||
6214 | validate_all_switches (); | |
6215 | ||
60103a34 DE |
6216 | /* Now that we have the switches and the specs, set |
6217 | the subdirectory based on the options. */ | |
6218 | set_multilib_dir (); | |
6219 | ||
ed1f651b RS |
6220 | /* Warn about any switches that no pass was interested in. */ |
6221 | ||
d25a45d4 | 6222 | for (i = 0; (int) i < n_switches; i++) |
ab87f8c8 | 6223 | if (! switches[i].validated) |
ed1f651b RS |
6224 | error ("unrecognized option `-%s'", switches[i].part1); |
6225 | ||
6a9e290e RK |
6226 | /* Obey some of the options. */ |
6227 | ||
2628b9d3 DE |
6228 | if (print_search_dirs) |
6229 | { | |
5e4adfba PT |
6230 | printf (_("install: %s%s\n"), standard_exec_prefix, machine_suffix); |
6231 | printf (_("programs: %s\n"), build_search_list (&exec_prefixes, "", 0)); | |
6232 | printf (_("libraries: %s\n"), build_search_list (&startfile_prefixes, "", 0)); | |
9257393c | 6233 | return (0); |
2628b9d3 DE |
6234 | } |
6235 | ||
6a9e290e | 6236 | if (print_file_name) |
2dcb563f | 6237 | { |
6a9e290e | 6238 | printf ("%s\n", find_file (print_file_name)); |
9257393c | 6239 | return (0); |
2dcb563f RS |
6240 | } |
6241 | ||
6a9e290e RK |
6242 | if (print_prog_name) |
6243 | { | |
5bbcd587 | 6244 | char *newname = find_a_file (&exec_prefixes, print_prog_name, X_OK, 0); |
6a9e290e | 6245 | printf ("%s\n", (newname ? newname : print_prog_name)); |
9257393c | 6246 | return (0); |
6a9e290e | 6247 | } |
ed1f651b | 6248 | |
60103a34 DE |
6249 | if (print_multi_lib) |
6250 | { | |
6251 | print_multilib_info (); | |
9257393c | 6252 | return (0); |
60103a34 DE |
6253 | } |
6254 | ||
6255 | if (print_multi_directory) | |
6256 | { | |
6257 | if (multilib_dir == NULL) | |
6258 | printf (".\n"); | |
6259 | else | |
6260 | printf ("%s\n", multilib_dir); | |
9257393c | 6261 | return (0); |
60103a34 DE |
6262 | } |
6263 | ||
5bbcd587 JJ |
6264 | if (print_multi_os_directory) |
6265 | { | |
6266 | if (multilib_os_dir == NULL) | |
6267 | printf (".\n"); | |
6268 | else | |
6269 | printf ("%s\n", multilib_os_dir); | |
6270 | return (0); | |
6271 | } | |
6272 | ||
91606ce2 CC |
6273 | if (target_help_flag) |
6274 | { | |
3ef42a0c | 6275 | /* Print if any target specific options. */ |
91606ce2 CC |
6276 | |
6277 | /* We do not exit here. Instead we have created a fake input file | |
6278 | called 'target-dummy' which needs to be compiled, and we pass this | |
6279 | on to the various sub-processes, along with the --target-help | |
dc297297 | 6280 | switch. */ |
91606ce2 CC |
6281 | } |
6282 | ||
b8468bc7 NC |
6283 | if (print_help_list) |
6284 | { | |
6285 | display_help (); | |
6286 | ||
6287 | if (! verbose_flag) | |
6288 | { | |
5e4adfba | 6289 | printf (_("\nFor bug reporting instructions, please see:\n")); |
a976603e | 6290 | printf ("%s.\n", bug_report_url); |
9218435e | 6291 | |
9257393c | 6292 | return (0); |
b8468bc7 NC |
6293 | } |
6294 | ||
6295 | /* We do not exit here. Instead we have created a fake input file | |
6296 | called 'help-dummy' which needs to be compiled, and we pass this | |
4fe9b91c | 6297 | on the various sub-processes, along with the --help switch. */ |
b8468bc7 | 6298 | } |
9218435e | 6299 | |
ed1f651b RS |
6300 | if (verbose_flag) |
6301 | { | |
7ad9ff7a | 6302 | int n; |
008355a6 | 6303 | const char *thrmod; |
7ad9ff7a | 6304 | |
f5fa9a5b PE |
6305 | notice ("Configured with: %s\n", configuration_arguments); |
6306 | ||
008355a6 AO |
6307 | #ifdef THREAD_MODEL_SPEC |
6308 | /* We could have defined THREAD_MODEL_SPEC to "%*" by default, | |
6309 | but there's no point in doing all this processing just to get | |
6310 | thread_model back. */ | |
6311 | obstack_init (&obstack); | |
6312 | do_spec_1 (THREAD_MODEL_SPEC, 0, thread_model); | |
6313 | obstack_1grow (&obstack, '\0'); | |
6314 | thrmod = obstack_finish (&obstack); | |
6315 | #else | |
6316 | thrmod = thread_model; | |
6317 | #endif | |
6318 | ||
6319 | notice ("Thread model: %s\n", thrmod); | |
a6687d2b | 6320 | |
7ad9ff7a DE |
6321 | /* compiler_version is truncated at the first space when initialized |
6322 | from version string, so truncate version_string at the first space | |
6323 | before comparing. */ | |
6324 | for (n = 0; version_string[n]; n++) | |
6325 | if (version_string[n] == ' ') | |
6326 | break; | |
6327 | ||
6328 | if (! strncmp (version_string, compiler_version, n) | |
6329 | && compiler_version[n] == 0) | |
ab87f8c8 | 6330 | notice ("gcc version %s\n", version_string); |
9c4faac1 | 6331 | else |
ab87f8c8 JL |
6332 | notice ("gcc driver version %s executing gcc version %s\n", |
6333 | version_string, compiler_version); | |
9c4faac1 | 6334 | |
ed1f651b | 6335 | if (n_infiles == 0) |
9257393c | 6336 | return (0); |
ed1f651b RS |
6337 | } |
6338 | ||
a2a05b0a | 6339 | if (n_infiles == added_libraries) |
1f978f5f | 6340 | fatal ("no input files"); |
ed1f651b RS |
6341 | |
6342 | /* Make a place to record the compiler output file names | |
6343 | that correspond to the input files. */ | |
6344 | ||
f271358e | 6345 | i = n_infiles; |
e37cda9b | 6346 | i += lang_specific_extra_outfiles; |
703ad42b | 6347 | outfiles = xcalloc (i, sizeof (char *)); |
ed1f651b RS |
6348 | |
6349 | /* Record which files were specified explicitly as link input. */ | |
6350 | ||
ad85216e | 6351 | explicit_link_files = xcalloc (1, n_infiles); |
ed1f651b | 6352 | |
0855eab7 CT |
6353 | if (combine_flag) |
6354 | combine_inputs = true; | |
6355 | else | |
6356 | combine_inputs = false; | |
6357 | ||
6358 | for (i = 0; (int) i < n_infiles; i++) | |
d1bd0ded | 6359 | { |
0855eab7 CT |
6360 | const char *name = infiles[i].name; |
6361 | struct compiler *compiler = lookup_compiler (name, | |
6362 | strlen (name), | |
6363 | infiles[i].language); | |
6364 | ||
6365 | if (compiler && !(compiler->combinable)) | |
6366 | combine_inputs = false; | |
6367 | ||
6368 | if (lang_n_infiles > 0 && compiler != input_file_compiler | |
6369 | && infiles[i].language && infiles[i].language[0] != '*') | |
6370 | infiles[i].incompiler = compiler; | |
6371 | else if (compiler) | |
6372 | { | |
6373 | lang_n_infiles++; | |
6374 | input_file_compiler = compiler; | |
6375 | infiles[i].incompiler = compiler; | |
6376 | } | |
6377 | else | |
6378 | { | |
6379 | /* Since there is no compiler for this input file, assume it is a | |
6380 | linker file. */ | |
6381 | explicit_link_files[i] = 1; | |
6382 | infiles[i].incompiler = NULL; | |
6383 | } | |
6384 | infiles[i].compiled = false; | |
6385 | infiles[i].preprocessed = false; | |
d1bd0ded GK |
6386 | } |
6387 | ||
0855eab7 CT |
6388 | if (combine_flag && save_temps_flag) |
6389 | { | |
6390 | bool save_combine_inputs = combine_inputs; | |
6391 | /* Must do a separate pre-processing pass for C & Objective-C files, to | |
6392 | obtain individual .i files. */ | |
6393 | ||
6394 | combine_inputs = false; | |
6395 | for (i = 0; (int) i < n_infiles; i++) | |
6396 | { | |
6397 | int this_file_error = 0; | |
6398 | ||
6399 | input_file_number = i; | |
6400 | set_input (infiles[i].name); | |
6401 | if (infiles[i].incompiler | |
6402 | && (infiles[i].incompiler)->needs_preprocessing) | |
6403 | input_file_compiler = infiles[i].incompiler; | |
6404 | else | |
6405 | continue; | |
6406 | ||
6407 | if (input_file_compiler) | |
6408 | { | |
6409 | if (input_file_compiler->spec[0] == '#') | |
6410 | { | |
6411 | error ("%s: %s compiler not installed on this system", | |
6412 | input_filename, &input_file_compiler->spec[1]); | |
6413 | this_file_error = 1; | |
6414 | } | |
6415 | else | |
6416 | { | |
6417 | value = do_spec (input_file_compiler->spec); | |
6418 | infiles[i].preprocessed = true; | |
6419 | if (have_o_argbuf_index) | |
6420 | infiles[i].name = argbuf[have_o_argbuf_index]; | |
6421 | else | |
6422 | abort (); | |
6423 | infiles[i].incompiler = lookup_compiler (infiles[i].name, | |
6424 | strlen (infiles[i].name), | |
6425 | infiles[i].language); | |
6426 | ||
6427 | if (value < 0) | |
b21292d0 | 6428 | this_file_error = 1; |
0855eab7 CT |
6429 | } |
6430 | } | |
6431 | ||
6432 | if (this_file_error) | |
6433 | { | |
6434 | delete_failure_queue (); | |
6435 | error_count++; | |
b21292d0 | 6436 | break; |
0855eab7 CT |
6437 | } |
6438 | clear_failure_queue (); | |
6439 | } | |
6440 | combine_inputs = save_combine_inputs; | |
6441 | } | |
6442 | ||
6443 | for (i = 0; (int) i < n_infiles; i++) | |
ed1f651b | 6444 | { |
ed1f651b RS |
6445 | int this_file_error = 0; |
6446 | ||
6447 | /* Tell do_spec what to substitute for %i. */ | |
6448 | ||
ed1f651b | 6449 | input_file_number = i; |
512b62fb | 6450 | set_input (infiles[i].name); |
ed1f651b | 6451 | |
0855eab7 CT |
6452 | if (infiles[i].compiled) |
6453 | continue; | |
6454 | ||
ed1f651b RS |
6455 | /* Use the same thing in %o, unless cp->spec says otherwise. */ |
6456 | ||
6457 | outfiles[i] = input_filename; | |
6458 | ||
6459 | /* Figure out which compiler from the file's suffix. */ | |
6460 | ||
d1bd0ded GK |
6461 | if (! combine_inputs) |
6462 | input_file_compiler | |
6463 | = lookup_compiler (infiles[i].name, input_filename_length, | |
6464 | infiles[i].language); | |
0855eab7 CT |
6465 | else |
6466 | input_file_compiler = infiles[i].incompiler; | |
589005ff | 6467 | |
a9374841 | 6468 | if (input_file_compiler) |
ed1f651b RS |
6469 | { |
6470 | /* Ok, we found an applicable compiler. Run its spec. */ | |
ed1f651b | 6471 | |
a9374841 | 6472 | if (input_file_compiler->spec[0] == '#') |
d644be7b ZW |
6473 | { |
6474 | error ("%s: %s compiler not installed on this system", | |
6475 | input_filename, &input_file_compiler->spec[1]); | |
6476 | this_file_error = 1; | |
6477 | } | |
6478 | else | |
6479 | { | |
6480 | value = do_spec (input_file_compiler->spec); | |
0855eab7 | 6481 | infiles[i].compiled = true; |
d644be7b | 6482 | if (value < 0) |
b21292d0 | 6483 | this_file_error = 1; |
d644be7b | 6484 | } |
ed1f651b RS |
6485 | } |
6486 | ||
6487 | /* If this file's name does not contain a recognized suffix, | |
6488 | record it as explicit linker input. */ | |
6489 | ||
6490 | else | |
6491 | explicit_link_files[i] = 1; | |
6492 | ||
6493 | /* Clear the delete-on-failure queue, deleting the files in it | |
6494 | if this compilation failed. */ | |
6495 | ||
6496 | if (this_file_error) | |
6497 | { | |
6498 | delete_failure_queue (); | |
6499 | error_count++; | |
b21292d0 | 6500 | break; |
ed1f651b RS |
6501 | } |
6502 | /* If this compilation succeeded, don't delete those files later. */ | |
6503 | clear_failure_queue (); | |
6504 | } | |
6505 | ||
512b62fb JM |
6506 | /* Reset the output file name to the first input file name, for use |
6507 | with %b in LINK_SPEC on a target that prefers not to emit a.out | |
6508 | by default. */ | |
6509 | if (n_infiles > 0) | |
6510 | set_input (infiles[0].name); | |
6511 | ||
15c5edb9 TT |
6512 | if (error_count == 0) |
6513 | { | |
6514 | /* Make sure INPUT_FILE_NUMBER points to first available open | |
6515 | slot. */ | |
6516 | input_file_number = n_infiles; | |
6517 | if (lang_specific_pre_link ()) | |
6518 | error_count++; | |
6519 | } | |
f271358e | 6520 | |
17211ab5 GK |
6521 | /* Determine if there are any linker input files. */ |
6522 | num_linker_inputs = 0; | |
6523 | for (i = 0; (int) i < n_infiles; i++) | |
6524 | if (explicit_link_files[i] || outfiles[i] != NULL) | |
6525 | num_linker_inputs++; | |
6526 | ||
ed1f651b RS |
6527 | /* Run ld to link all the compiler output files. */ |
6528 | ||
17211ab5 | 6529 | if (num_linker_inputs > 0 && error_count == 0) |
ed1f651b RS |
6530 | { |
6531 | int tmp = execution_count; | |
b3865ca9 | 6532 | |
9218435e | 6533 | /* We'll use ld if we can't find collect2. */ |
10da1131 BM |
6534 | if (! strcmp (linker_name_spec, "collect2")) |
6535 | { | |
5bbcd587 | 6536 | char *s = find_a_file (&exec_prefixes, "collect2", X_OK, 0); |
10da1131 BM |
6537 | if (s == NULL) |
6538 | linker_name_spec = "ld"; | |
6539 | } | |
b3865ca9 RS |
6540 | /* Rebuild the COMPILER_PATH and LIBRARY_PATH environment variables |
6541 | for collect. */ | |
512b62fb JM |
6542 | putenv_from_prefixes (&exec_prefixes, "COMPILER_PATH"); |
6543 | putenv_from_prefixes (&startfile_prefixes, LIBRARY_PATH_ENV); | |
b3865ca9 | 6544 | |
ed1f651b RS |
6545 | value = do_spec (link_command_spec); |
6546 | if (value < 0) | |
6547 | error_count = 1; | |
6548 | linker_was_run = (tmp != execution_count); | |
6549 | } | |
6550 | ||
ed1f651b RS |
6551 | /* If options said don't run linker, |
6552 | complain about input files to be given to the linker. */ | |
6553 | ||
76e5b312 | 6554 | if (! linker_was_run && error_count == 0) |
d25a45d4 | 6555 | for (i = 0; (int) i < n_infiles; i++) |
ed1f651b | 6556 | if (explicit_link_files[i]) |
2e44948d | 6557 | error ("%s: linker input file unused because linking not done", |
ed1f651b RS |
6558 | outfiles[i]); |
6559 | ||
6560 | /* Delete some or all of the temporary files we made. */ | |
6561 | ||
6562 | if (error_count) | |
6563 | delete_failure_queue (); | |
6564 | delete_temp_files (); | |
6565 | ||
b8468bc7 NC |
6566 | if (print_help_list) |
6567 | { | |
5e4adfba | 6568 | printf (("\nFor bug reporting instructions, please see:\n")); |
a976603e | 6569 | printf ("%s\n", bug_report_url); |
b8468bc7 | 6570 | } |
9218435e | 6571 | |
14a774a9 RK |
6572 | return (signal_count != 0 ? 2 |
6573 | : error_count > 0 ? (pass_exit_codes ? greatest_status : 1) | |
6574 | : 0); | |
ed1f651b RS |
6575 | } |
6576 | ||
6577 | /* Find the proper compilation spec for the file name NAME, | |
004fd4d5 | 6578 | whose length is LENGTH. LANGUAGE is the specified language, |
e5e809f4 | 6579 | or 0 if this file is to be passed to the linker. */ |
ed1f651b RS |
6580 | |
6581 | static struct compiler * | |
1d088dee | 6582 | lookup_compiler (const char *name, size_t length, const char *language) |
ed1f651b RS |
6583 | { |
6584 | struct compiler *cp; | |
6585 | ||
3ac63d94 | 6586 | /* If this was specified by the user to be a linker input, indicate that. */ |
e5e809f4 JL |
6587 | if (language != 0 && language[0] == '*') |
6588 | return 0; | |
6589 | ||
6590 | /* Otherwise, look for the language, if one is spec'd. */ | |
ed1f651b RS |
6591 | if (language != 0) |
6592 | { | |
6593 | for (cp = compilers + n_compilers - 1; cp >= compilers; cp--) | |
e5e809f4 JL |
6594 | if (cp->suffix[0] == '@' && !strcmp (cp->suffix + 1, language)) |
6595 | return cp; | |
6596 | ||
ed1f651b | 6597 | error ("language %s not recognized", language); |
e5e809f4 | 6598 | return 0; |
ed1f651b RS |
6599 | } |
6600 | ||
6601 | /* Look for a suffix. */ | |
6602 | for (cp = compilers + n_compilers - 1; cp >= compilers; cp--) | |
6603 | { | |
4cf3301c RS |
6604 | if (/* The suffix `-' matches only the file name `-'. */ |
6605 | (!strcmp (cp->suffix, "-") && !strcmp (name, "-")) | |
e5e809f4 JL |
6606 | || (strlen (cp->suffix) < length |
6607 | /* See if the suffix matches the end of NAME. */ | |
e5e809f4 JL |
6608 | && !strcmp (cp->suffix, |
6609 | name + length - strlen (cp->suffix)) | |
e5e809f4 | 6610 | )) |
589005ff | 6611 | break; |
03bf1c28 | 6612 | } |
e5e809f4 | 6613 | |
03bf1c28 | 6614 | #if defined (OS2) ||defined (HAVE_DOS_BASED_FILE_SYSTEM) |
a1105617 | 6615 | /* Look again, but case-insensitively this time. */ |
03bf1c28 MK |
6616 | if (cp < compilers) |
6617 | for (cp = compilers + n_compilers - 1; cp >= compilers; cp--) | |
6618 | { | |
6619 | if (/* The suffix `-' matches only the file name `-'. */ | |
6620 | (!strcmp (cp->suffix, "-") && !strcmp (name, "-")) | |
6621 | || (strlen (cp->suffix) < length | |
6622 | /* See if the suffix matches the end of NAME. */ | |
6623 | && ((!strcmp (cp->suffix, | |
6624 | name + length - strlen (cp->suffix)) | |
6625 | || !strpbrk (cp->suffix, "ABCDEFGHIJKLMNOPQRSTUVWXYZ")) | |
6626 | && !strcasecmp (cp->suffix, | |
6627 | name + length - strlen (cp->suffix))) | |
6628 | )) | |
6629 | break; | |
6630 | } | |
6631 | #endif | |
6632 | ||
03bf1c28 MK |
6633 | if (cp >= compilers) |
6634 | { | |
ea414c97 ZW |
6635 | if (cp->spec[0] != '@') |
6636 | /* A non-alias entry: return it. */ | |
6637 | return cp; | |
9218435e | 6638 | |
ea414c97 ZW |
6639 | /* An alias entry maps a suffix to a language. |
6640 | Search for the language; pass 0 for NAME and LENGTH | |
6641 | to avoid infinite recursion if language not found. */ | |
6496a589 | 6642 | return lookup_compiler (NULL, 0, cp->spec + 1); |
ed1f651b | 6643 | } |
ed1f651b RS |
6644 | return 0; |
6645 | } | |
6646 | \f | |
ed1f651b | 6647 | static char * |
1d088dee | 6648 | save_string (const char *s, int len) |
ed1f651b | 6649 | { |
b3694847 | 6650 | char *result = xmalloc (len + 1); |
ed1f651b | 6651 | |
da61dec9 | 6652 | memcpy (result, s, len); |
ed1f651b RS |
6653 | result[len] = 0; |
6654 | return result; | |
6655 | } | |
6656 | ||
d991c721 | 6657 | void |
1d088dee | 6658 | pfatal_with_name (const char *name) |
ed1f651b | 6659 | { |
ab87f8c8 JL |
6660 | perror_with_name (name); |
6661 | delete_temp_files (); | |
6662 | exit (1); | |
ed1f651b RS |
6663 | } |
6664 | ||
6665 | static void | |
1d088dee | 6666 | perror_with_name (const char *name) |
ed1f651b | 6667 | { |
ed35cf6e | 6668 | error ("%s: %s", name, xstrerror (errno)); |
ed1f651b RS |
6669 | } |
6670 | ||
6671 | static void | |
1d088dee | 6672 | pfatal_pexecute (const char *errmsg_fmt, const char *errmsg_arg) |
ed1f651b | 6673 | { |
c10d53dd DE |
6674 | if (errmsg_arg) |
6675 | { | |
ab87f8c8 JL |
6676 | int save_errno = errno; |
6677 | ||
c10d53dd DE |
6678 | /* Space for trailing '\0' is in %s. */ |
6679 | char *msg = xmalloc (strlen (errmsg_fmt) + strlen (errmsg_arg)); | |
6680 | sprintf (msg, errmsg_fmt, errmsg_arg); | |
6681 | errmsg_fmt = msg; | |
ab87f8c8 JL |
6682 | |
6683 | errno = save_errno; | |
c10d53dd DE |
6684 | } |
6685 | ||
ab87f8c8 | 6686 | pfatal_with_name (errmsg_fmt); |
ed1f651b RS |
6687 | } |
6688 | ||
f9da5064 | 6689 | /* Output an error message and exit. */ |
ed1f651b RS |
6690 | |
6691 | void | |
1d088dee | 6692 | fancy_abort (void) |
ed1f651b | 6693 | { |
c725bd79 | 6694 | fatal ("internal gcc abort"); |
ed1f651b RS |
6695 | } |
6696 | \f | |
f9da5064 | 6697 | /* Output an error message and exit. */ |
ed1f651b | 6698 | |
9257393c | 6699 | void |
e34d07f2 | 6700 | fatal (const char *msgid, ...) |
ed1f651b | 6701 | { |
e34d07f2 | 6702 | va_list ap; |
1d088dee | 6703 | |
e34d07f2 | 6704 | va_start (ap, msgid); |
ed1f651b | 6705 | |
ed1f651b | 6706 | fprintf (stderr, "%s: ", programname); |
ab87f8c8 | 6707 | vfprintf (stderr, _(msgid), ap); |
e34d07f2 | 6708 | va_end (ap); |
ed1f651b RS |
6709 | fprintf (stderr, "\n"); |
6710 | delete_temp_files (); | |
6711 | exit (1); | |
6712 | } | |
6713 | ||
d991c721 | 6714 | void |
e34d07f2 | 6715 | error (const char *msgid, ...) |
ed1f651b | 6716 | { |
e34d07f2 | 6717 | va_list ap; |
1d088dee | 6718 | |
e34d07f2 | 6719 | va_start (ap, msgid); |
ed1f651b | 6720 | fprintf (stderr, "%s: ", programname); |
ab87f8c8 | 6721 | vfprintf (stderr, _(msgid), ap); |
e34d07f2 | 6722 | va_end (ap); |
ed1f651b RS |
6723 | |
6724 | fprintf (stderr, "\n"); | |
6725 | } | |
ab87f8c8 JL |
6726 | |
6727 | static void | |
e34d07f2 | 6728 | notice (const char *msgid, ...) |
ab87f8c8 | 6729 | { |
e34d07f2 | 6730 | va_list ap; |
1d088dee | 6731 | |
e34d07f2 | 6732 | va_start (ap, msgid); |
ab87f8c8 | 6733 | vfprintf (stderr, _(msgid), ap); |
e34d07f2 | 6734 | va_end (ap); |
ab87f8c8 | 6735 | } |
ed1f651b | 6736 | \f |
4977bab6 | 6737 | static inline void |
1d088dee | 6738 | validate_switches_from_spec (const char *spec) |
4977bab6 ZW |
6739 | { |
6740 | const char *p = spec; | |
6741 | char c; | |
6742 | while ((c = *p++)) | |
6743 | if (c == '%' && (*p == '{' || *p == '<' || (*p == 'W' && *++p == '{'))) | |
6744 | /* We have a switch spec. */ | |
6745 | p = validate_switches (p + 1); | |
6746 | } | |
6747 | ||
ed1f651b | 6748 | static void |
1d088dee | 6749 | validate_all_switches (void) |
ed1f651b RS |
6750 | { |
6751 | struct compiler *comp; | |
b3865ca9 | 6752 | struct spec_list *spec; |
ed1f651b | 6753 | |
ea414c97 | 6754 | for (comp = compilers; comp->spec; comp++) |
4977bab6 | 6755 | validate_switches_from_spec (comp->spec); |
ed1f651b | 6756 | |
3ac63d94 | 6757 | /* Look through the linked list of specs read from the specs file. */ |
d25a45d4 | 6758 | for (spec = specs; spec; spec = spec->next) |
4977bab6 | 6759 | validate_switches_from_spec (*spec->ptr_spec); |
b3865ca9 | 6760 | |
4977bab6 | 6761 | validate_switches_from_spec (link_command_spec); |
ed1f651b RS |
6762 | } |
6763 | ||
6764 | /* Look at the switch-name that comes after START | |
6765 | and mark as valid all supplied switches that match it. */ | |
6766 | ||
4977bab6 | 6767 | static const char * |
1d088dee | 6768 | validate_switches (const char *start) |
ed1f651b | 6769 | { |
b3694847 | 6770 | const char *p = start; |
4977bab6 ZW |
6771 | const char *atom; |
6772 | size_t len; | |
b3694847 | 6773 | int i; |
4977bab6 ZW |
6774 | bool suffix = false; |
6775 | bool starred = false; | |
1d088dee | 6776 | |
4977bab6 | 6777 | #define SKIP_WHITE() do { while (*p == ' ' || *p == '\t') p++; } while (0) |
1d088dee | 6778 | |
10ebf5fe | 6779 | next_member: |
4977bab6 ZW |
6780 | SKIP_WHITE (); |
6781 | ||
ed1f651b | 6782 | if (*p == '!') |
4977bab6 | 6783 | p++; |
ed1f651b | 6784 | |
4977bab6 | 6785 | SKIP_WHITE (); |
ed1f651b | 6786 | if (*p == '.') |
4977bab6 | 6787 | suffix = true, p++; |
ed1f651b | 6788 | |
4977bab6 ZW |
6789 | atom = p; |
6790 | while (ISIDNUM (*p) || *p == '-' || *p == '+' || *p == '=' | |
7a975113 | 6791 | || *p == ',' || *p == '.' || *p == '@') |
d25a45d4 | 6792 | p++; |
4977bab6 | 6793 | len = p - atom; |
ed1f651b | 6794 | |
4977bab6 ZW |
6795 | if (*p == '*') |
6796 | starred = true, p++; | |
6797 | ||
6798 | SKIP_WHITE (); | |
6799 | ||
6800 | if (!suffix) | |
ed1f651b RS |
6801 | { |
6802 | /* Mark all matching switches as valid. */ | |
ed1f651b | 6803 | for (i = 0; i < n_switches; i++) |
4977bab6 ZW |
6804 | if (!strncmp (switches[i].part1, atom, len) |
6805 | && (starred || switches[i].part1[len] == 0)) | |
ab87f8c8 | 6806 | switches[i].validated = 1; |
ed1f651b | 6807 | } |
4977bab6 | 6808 | |
5a0ba8c9 LJR |
6809 | if (*p) p++; |
6810 | if (*p && (p[-1] == '|' || p[-1] == '&')) | |
4977bab6 ZW |
6811 | goto next_member; |
6812 | ||
5a0ba8c9 | 6813 | if (*p && p[-1] == ':') |
ed1f651b | 6814 | { |
4977bab6 | 6815 | while (*p && *p != ';' && *p != '}') |
ed1f651b | 6816 | { |
4977bab6 ZW |
6817 | if (*p == '%') |
6818 | { | |
6819 | p++; | |
6820 | if (*p == '{' || *p == '<') | |
6821 | p = validate_switches (p+1); | |
6822 | else if (p[0] == 'W' && p[1] == '{') | |
6823 | p = validate_switches (p+2); | |
6824 | } | |
e17aafd1 GK |
6825 | else |
6826 | p++; | |
ed1f651b | 6827 | } |
4977bab6 | 6828 | |
5a0ba8c9 LJR |
6829 | if (*p) p++; |
6830 | if (*p && p[-1] == ';') | |
4977bab6 | 6831 | goto next_member; |
ed1f651b | 6832 | } |
10ebf5fe | 6833 | |
4977bab6 ZW |
6834 | return p; |
6835 | #undef SKIP_WHITE | |
ed1f651b | 6836 | } |
60103a34 | 6837 | \f |
5bbcd587 JJ |
6838 | struct mdswitchstr |
6839 | { | |
6840 | const char *str; | |
6841 | int len; | |
6842 | }; | |
6843 | ||
6844 | static struct mdswitchstr *mdswitches; | |
6845 | static int n_mdswitches; | |
6846 | ||
961b7009 | 6847 | /* Check whether a particular argument was used. The first time we |
956d6950 | 6848 | canonicalize the switches to keep only the ones we care about. */ |
60103a34 DE |
6849 | |
6850 | static int | |
1d088dee | 6851 | used_arg (const char *p, int len) |
60103a34 | 6852 | { |
3ac63d94 NC |
6853 | struct mswitchstr |
6854 | { | |
3b304f5b ZW |
6855 | const char *str; |
6856 | const char *replace; | |
961b7009 MM |
6857 | int len; |
6858 | int rep_len; | |
6859 | }; | |
6860 | ||
6861 | static struct mswitchstr *mswitches; | |
6862 | static int n_mswitches; | |
6863 | int i, j; | |
6864 | ||
6865 | if (!mswitches) | |
6866 | { | |
6867 | struct mswitchstr *matches; | |
3b304f5b | 6868 | const char *q; |
c8c2dcdc | 6869 | int cnt = 0; |
961b7009 | 6870 | |
d25a45d4 KH |
6871 | /* Break multilib_matches into the component strings of string |
6872 | and replacement string. */ | |
1a0bdd29 RK |
6873 | for (q = multilib_matches; *q != '\0'; q++) |
6874 | if (*q == ';') | |
961b7009 MM |
6875 | cnt++; |
6876 | ||
703ad42b | 6877 | matches = alloca ((sizeof (struct mswitchstr)) * cnt); |
961b7009 MM |
6878 | i = 0; |
6879 | q = multilib_matches; | |
6880 | while (*q != '\0') | |
6881 | { | |
6882 | matches[i].str = q; | |
6883 | while (*q != ' ') | |
6884 | { | |
6885 | if (*q == '\0') | |
6886 | abort (); | |
6887 | q++; | |
6888 | } | |
961b7009 | 6889 | matches[i].len = q - matches[i].str; |
60103a34 | 6890 | |
961b7009 MM |
6891 | matches[i].replace = ++q; |
6892 | while (*q != ';' && *q != '\0') | |
6893 | { | |
6894 | if (*q == ' ') | |
6895 | abort (); | |
6896 | q++; | |
6897 | } | |
6898 | matches[i].rep_len = q - matches[i].replace; | |
6899 | i++; | |
83a0c799 ZW |
6900 | if (*q == ';') |
6901 | q++; | |
961b7009 | 6902 | } |
60103a34 | 6903 | |
71591a1d JW |
6904 | /* Now build a list of the replacement string for switches that we care |
6905 | about. Make sure we allocate at least one entry. This prevents | |
6906 | xmalloc from calling fatal, and prevents us from re-executing this | |
6907 | block of code. */ | |
6908 | mswitches | |
703ad42b | 6909 | = xmalloc (sizeof (struct mswitchstr) |
5bbcd587 | 6910 | * (n_mdswitches + (n_switches ? n_switches : 1))); |
961b7009 | 6911 | for (i = 0; i < n_switches; i++) |
f645e2bd RS |
6912 | if (switches[i].live_cond != SWITCH_IGNORE) |
6913 | { | |
6914 | int xlen = strlen (switches[i].part1); | |
6915 | for (j = 0; j < cnt; j++) | |
6916 | if (xlen == matches[j].len | |
6917 | && ! strncmp (switches[i].part1, matches[j].str, xlen)) | |
6918 | { | |
6919 | mswitches[n_mswitches].str = matches[j].replace; | |
6920 | mswitches[n_mswitches].len = matches[j].rep_len; | |
6921 | mswitches[n_mswitches].replace = (char *) 0; | |
6922 | mswitches[n_mswitches].rep_len = 0; | |
6923 | n_mswitches++; | |
6924 | break; | |
6925 | } | |
6926 | } | |
5bbcd587 JJ |
6927 | |
6928 | /* Add MULTILIB_DEFAULTS switches too, as long as they were not present | |
6929 | on the command line nor any options mutually incompatible with | |
6930 | them. */ | |
6931 | for (i = 0; i < n_mdswitches; i++) | |
6932 | { | |
6933 | const char *r; | |
6934 | ||
6935 | for (q = multilib_options; *q != '\0'; q++) | |
6936 | { | |
6937 | while (*q == ' ') | |
6938 | q++; | |
6939 | ||
6940 | r = q; | |
6941 | while (strncmp (q, mdswitches[i].str, mdswitches[i].len) != 0 | |
6942 | || strchr (" /", q[mdswitches[i].len]) == NULL) | |
6943 | { | |
6944 | while (*q != ' ' && *q != '/' && *q != '\0') | |
6945 | q++; | |
6946 | if (*q != '/') | |
6947 | break; | |
6948 | q++; | |
6949 | } | |
6950 | ||
6951 | if (*q != ' ' && *q != '\0') | |
6952 | { | |
6953 | while (*r != ' ' && *r != '\0') | |
6954 | { | |
6955 | q = r; | |
6956 | while (*q != ' ' && *q != '/' && *q != '\0') | |
6957 | q++; | |
6958 | ||
6959 | if (used_arg (r, q - r)) | |
6960 | break; | |
6961 | ||
6962 | if (*q != '/') | |
6963 | { | |
6964 | mswitches[n_mswitches].str = mdswitches[i].str; | |
6965 | mswitches[n_mswitches].len = mdswitches[i].len; | |
6966 | mswitches[n_mswitches].replace = (char *) 0; | |
6967 | mswitches[n_mswitches].rep_len = 0; | |
6968 | n_mswitches++; | |
6969 | break; | |
6970 | } | |
6971 | ||
6972 | r = q + 1; | |
6973 | } | |
6974 | break; | |
6975 | } | |
6976 | } | |
6977 | } | |
961b7009 | 6978 | } |
03c42484 | 6979 | |
961b7009 MM |
6980 | for (i = 0; i < n_mswitches; i++) |
6981 | if (len == mswitches[i].len && ! strncmp (p, mswitches[i].str, len)) | |
6982 | return 1; | |
03c42484 | 6983 | |
961b7009 MM |
6984 | return 0; |
6985 | } | |
03c42484 RK |
6986 | |
6987 | static int | |
1d088dee | 6988 | default_arg (const char *p, int len) |
03c42484 | 6989 | { |
5bbcd587 | 6990 | int i; |
e29ef920 | 6991 | |
5bbcd587 JJ |
6992 | for (i = 0; i < n_mdswitches; i++) |
6993 | if (len == mdswitches[i].len && ! strncmp (p, mdswitches[i].str, len)) | |
6994 | return 1; | |
03c42484 RK |
6995 | |
6996 | return 0; | |
6997 | } | |
6998 | ||
0a8d6618 BC |
6999 | /* Work out the subdirectory to use based on the options. The format of |
7000 | multilib_select is a list of elements. Each element is a subdirectory | |
7001 | name followed by a list of options followed by a semicolon. The format | |
7002 | of multilib_exclusions is the same, but without the preceding | |
7003 | directory. First gcc will check the exclusions, if none of the options | |
7004 | beginning with an exclamation point are present, and all of the other | |
7005 | options are present, then we will ignore this completely. Passing | |
7006 | that, gcc will consider each multilib_select in turn using the same | |
7007 | rules for matching the options. If a match is found, that subdirectory | |
7008 | will be used. */ | |
60103a34 DE |
7009 | |
7010 | static void | |
1d088dee | 7011 | set_multilib_dir (void) |
60103a34 | 7012 | { |
3b304f5b | 7013 | const char *p; |
3ac63d94 | 7014 | unsigned int this_path_len; |
3b304f5b | 7015 | const char *this_path, *this_arg; |
5bbcd587 | 7016 | const char *start, *end; |
03c42484 | 7017 | int not_arg; |
5bbcd587 JJ |
7018 | int ok, ndfltok, first; |
7019 | ||
7020 | n_mdswitches = 0; | |
7021 | start = multilib_defaults; | |
7022 | while (*start == ' ' || *start == '\t') | |
7023 | start++; | |
7024 | while (*start != '\0') | |
7025 | { | |
7026 | n_mdswitches++; | |
7027 | while (*start != ' ' && *start != '\t' && *start != '\0') | |
7028 | start++; | |
7029 | while (*start == ' ' || *start == '\t') | |
7030 | start++; | |
7031 | } | |
7032 | ||
7033 | if (n_mdswitches) | |
7034 | { | |
7035 | int i = 0; | |
7036 | ||
703ad42b | 7037 | mdswitches = xmalloc (sizeof (struct mdswitchstr) * n_mdswitches); |
5bbcd587 JJ |
7038 | for (start = multilib_defaults; *start != '\0'; start = end + 1) |
7039 | { | |
7040 | while (*start == ' ' || *start == '\t') | |
7041 | start++; | |
7042 | ||
7043 | if (*start == '\0') | |
7044 | break; | |
1d088dee | 7045 | |
5bbcd587 JJ |
7046 | for (end = start + 1; |
7047 | *end != ' ' && *end != '\t' && *end != '\0'; end++) | |
7048 | ; | |
7049 | ||
7050 | obstack_grow (&multilib_obstack, start, end - start); | |
7051 | obstack_1grow (&multilib_obstack, 0); | |
7052 | mdswitches[i].str = obstack_finish (&multilib_obstack); | |
7053 | mdswitches[i++].len = end - start; | |
7054 | ||
7055 | if (*end == '\0') | |
7056 | break; | |
7057 | } | |
7058 | } | |
60103a34 | 7059 | |
0a8d6618 BC |
7060 | p = multilib_exclusions; |
7061 | while (*p != '\0') | |
7062 | { | |
7063 | /* Ignore newlines. */ | |
7064 | if (*p == '\n') | |
d25a45d4 KH |
7065 | { |
7066 | ++p; | |
7067 | continue; | |
7068 | } | |
0a8d6618 BC |
7069 | |
7070 | /* Check the arguments. */ | |
7071 | ok = 1; | |
7072 | while (*p != ';') | |
d25a45d4 KH |
7073 | { |
7074 | if (*p == '\0') | |
7075 | abort (); | |
7076 | ||
7077 | if (! ok) | |
7078 | { | |
7079 | ++p; | |
7080 | continue; | |
7081 | } | |
7082 | ||
7083 | this_arg = p; | |
7084 | while (*p != ' ' && *p != ';') | |
7085 | { | |
7086 | if (*p == '\0') | |
7087 | abort (); | |
7088 | ++p; | |
7089 | } | |
7090 | ||
7091 | if (*this_arg != '!') | |
7092 | not_arg = 0; | |
7093 | else | |
7094 | { | |
7095 | not_arg = 1; | |
7096 | ++this_arg; | |
7097 | } | |
9218435e | 7098 | |
0a8d6618 BC |
7099 | ok = used_arg (this_arg, p - this_arg); |
7100 | if (not_arg) | |
7101 | ok = ! ok; | |
7102 | ||
d25a45d4 KH |
7103 | if (*p == ' ') |
7104 | ++p; | |
7105 | } | |
0a8d6618 BC |
7106 | |
7107 | if (ok) | |
3ac63d94 | 7108 | return; |
0a8d6618 BC |
7109 | |
7110 | ++p; | |
7111 | } | |
7112 | ||
5bbcd587 | 7113 | first = 1; |
0a8d6618 | 7114 | p = multilib_select; |
60103a34 DE |
7115 | while (*p != '\0') |
7116 | { | |
7117 | /* Ignore newlines. */ | |
7118 | if (*p == '\n') | |
7119 | { | |
7120 | ++p; | |
7121 | continue; | |
7122 | } | |
7123 | ||
7124 | /* Get the initial path. */ | |
7125 | this_path = p; | |
7126 | while (*p != ' ') | |
7127 | { | |
7128 | if (*p == '\0') | |
7129 | abort (); | |
7130 | ++p; | |
7131 | } | |
7132 | this_path_len = p - this_path; | |
7133 | ||
7134 | /* Check the arguments. */ | |
03c42484 | 7135 | ok = 1; |
5bbcd587 | 7136 | ndfltok = 1; |
60103a34 DE |
7137 | ++p; |
7138 | while (*p != ';') | |
7139 | { | |
7140 | if (*p == '\0') | |
7141 | abort (); | |
7142 | ||
03c42484 | 7143 | if (! ok) |
60103a34 DE |
7144 | { |
7145 | ++p; | |
7146 | continue; | |
7147 | } | |
7148 | ||
7149 | this_arg = p; | |
7150 | while (*p != ' ' && *p != ';') | |
7151 | { | |
7152 | if (*p == '\0') | |
7153 | abort (); | |
7154 | ++p; | |
7155 | } | |
7156 | ||
03c42484 RK |
7157 | if (*this_arg != '!') |
7158 | not_arg = 0; | |
60103a34 | 7159 | else |
03c42484 RK |
7160 | { |
7161 | not_arg = 1; | |
7162 | ++this_arg; | |
7163 | } | |
7164 | ||
7165 | /* If this is a default argument, we can just ignore it. | |
7166 | This is true even if this_arg begins with '!'. Beginning | |
7167 | with '!' does not mean that this argument is necessarily | |
7168 | inappropriate for this library: it merely means that | |
7169 | there is a more specific library which uses this | |
7170 | argument. If this argument is a default, we need not | |
7171 | consider that more specific library. */ | |
5bbcd587 JJ |
7172 | ok = used_arg (this_arg, p - this_arg); |
7173 | if (not_arg) | |
7174 | ok = ! ok; | |
7175 | ||
7176 | if (! ok) | |
7177 | ndfltok = 0; | |
7178 | ||
7179 | if (default_arg (this_arg, p - this_arg)) | |
7180 | ok = 1; | |
60103a34 DE |
7181 | |
7182 | if (*p == ' ') | |
7183 | ++p; | |
7184 | } | |
7185 | ||
5bbcd587 | 7186 | if (ok && first) |
60103a34 DE |
7187 | { |
7188 | if (this_path_len != 1 | |
7189 | || this_path[0] != '.') | |
7190 | { | |
d25a45d4 | 7191 | char *new_multilib_dir = xmalloc (this_path_len + 1); |
5bbcd587 JJ |
7192 | char *q; |
7193 | ||
878f32c3 KG |
7194 | strncpy (new_multilib_dir, this_path, this_path_len); |
7195 | new_multilib_dir[this_path_len] = '\0'; | |
5bbcd587 JJ |
7196 | q = strchr (new_multilib_dir, ':'); |
7197 | if (q != NULL) | |
7198 | *q = '\0'; | |
878f32c3 | 7199 | multilib_dir = new_multilib_dir; |
60103a34 | 7200 | } |
5bbcd587 JJ |
7201 | first = 0; |
7202 | } | |
7203 | ||
7204 | if (ndfltok) | |
7205 | { | |
7206 | const char *q = this_path, *end = this_path + this_path_len; | |
7207 | ||
7208 | while (q < end && *q != ':') | |
7209 | q++; | |
c49d2df6 | 7210 | if (q < end) |
5bbcd587 JJ |
7211 | { |
7212 | char *new_multilib_os_dir = xmalloc (end - q); | |
c49d2df6 JJ |
7213 | memcpy (new_multilib_os_dir, q + 1, end - q - 1); |
7214 | new_multilib_os_dir[end - q - 1] = '\0'; | |
5bbcd587 JJ |
7215 | multilib_os_dir = new_multilib_os_dir; |
7216 | break; | |
7217 | } | |
60103a34 DE |
7218 | } |
7219 | ||
7220 | ++p; | |
9218435e | 7221 | } |
5bbcd587 JJ |
7222 | |
7223 | if (multilib_dir == NULL && multilib_os_dir != NULL | |
7224 | && strcmp (multilib_os_dir, ".") == 0) | |
7225 | { | |
7226 | free ((char *) multilib_os_dir); | |
7227 | multilib_os_dir = NULL; | |
7228 | } | |
7229 | else if (multilib_dir != NULL && multilib_os_dir == NULL) | |
7230 | multilib_os_dir = multilib_dir; | |
60103a34 DE |
7231 | } |
7232 | ||
7233 | /* Print out the multiple library subdirectory selection | |
7234 | information. This prints out a series of lines. Each line looks | |
7235 | like SUBDIRECTORY;@OPTION@OPTION, with as many options as is | |
7236 | required. Only the desired options are printed out, the negative | |
7237 | matches. The options are print without a leading dash. There are | |
7238 | no spaces to make it easy to use the information in the shell. | |
7239 | Each subdirectory is printed only once. This assumes the ordering | |
0a8d6618 BC |
7240 | generated by the genmultilib script. Also, we leave out ones that match |
7241 | the exclusions. */ | |
60103a34 DE |
7242 | |
7243 | static void | |
1d088dee | 7244 | print_multilib_info (void) |
60103a34 | 7245 | { |
3b304f5b ZW |
7246 | const char *p = multilib_select; |
7247 | const char *last_path = 0, *this_path; | |
03c42484 | 7248 | int skip; |
3ac63d94 | 7249 | unsigned int last_path_len = 0; |
60103a34 DE |
7250 | |
7251 | while (*p != '\0') | |
7252 | { | |
0a8d6618 | 7253 | skip = 0; |
60103a34 DE |
7254 | /* Ignore newlines. */ |
7255 | if (*p == '\n') | |
7256 | { | |
7257 | ++p; | |
7258 | continue; | |
7259 | } | |
7260 | ||
7261 | /* Get the initial path. */ | |
7262 | this_path = p; | |
7263 | while (*p != ' ') | |
7264 | { | |
7265 | if (*p == '\0') | |
7266 | abort (); | |
7267 | ++p; | |
7268 | } | |
7269 | ||
c49d2df6 JJ |
7270 | /* When --disable-multilib was used but target defines |
7271 | MULTILIB_OSDIRNAMES, entries starting with .: are there just | |
7272 | to find multilib_os_dir, so skip them from output. */ | |
7273 | if (this_path[0] == '.' && this_path[1] == ':') | |
7274 | skip = 1; | |
7275 | ||
0a8d6618 BC |
7276 | /* Check for matches with the multilib_exclusions. We don't bother |
7277 | with the '!' in either list. If any of the exclusion rules match | |
7278 | all of its options with the select rule, we skip it. */ | |
d25a45d4 KH |
7279 | { |
7280 | const char *e = multilib_exclusions; | |
7281 | const char *this_arg; | |
0a8d6618 | 7282 | |
d25a45d4 KH |
7283 | while (*e != '\0') |
7284 | { | |
7285 | int m = 1; | |
7286 | /* Ignore newlines. */ | |
7287 | if (*e == '\n') | |
7288 | { | |
7289 | ++e; | |
7290 | continue; | |
7291 | } | |
0a8d6618 | 7292 | |
d25a45d4 KH |
7293 | /* Check the arguments. */ |
7294 | while (*e != ';') | |
7295 | { | |
7296 | const char *q; | |
7297 | int mp = 0; | |
0a8d6618 | 7298 | |
d25a45d4 KH |
7299 | if (*e == '\0') |
7300 | abort (); | |
9218435e | 7301 | |
d25a45d4 KH |
7302 | if (! m) |
7303 | { | |
7304 | ++e; | |
7305 | continue; | |
7306 | } | |
0a8d6618 | 7307 | |
d25a45d4 | 7308 | this_arg = e; |
9218435e | 7309 | |
d25a45d4 KH |
7310 | while (*e != ' ' && *e != ';') |
7311 | { | |
7312 | if (*e == '\0') | |
7313 | abort (); | |
7314 | ++e; | |
7315 | } | |
0a8d6618 | 7316 | |
d25a45d4 KH |
7317 | q = p + 1; |
7318 | while (*q != ';') | |
7319 | { | |
7320 | const char *arg; | |
7321 | int len = e - this_arg; | |
0a8d6618 | 7322 | |
d25a45d4 KH |
7323 | if (*q == '\0') |
7324 | abort (); | |
0a8d6618 | 7325 | |
d25a45d4 KH |
7326 | arg = q; |
7327 | ||
7328 | while (*q != ' ' && *q != ';') | |
7329 | { | |
7330 | if (*q == '\0') | |
7331 | abort (); | |
0a8d6618 | 7332 | ++q; |
d25a45d4 | 7333 | } |
0a8d6618 | 7334 | |
d25a45d4 KH |
7335 | if (! strncmp (arg, this_arg, (len < q - arg) ? q - arg : len) || |
7336 | default_arg (this_arg, e - this_arg)) | |
7337 | { | |
7338 | mp = 1; | |
7339 | break; | |
7340 | } | |
0a8d6618 | 7341 | |
d25a45d4 KH |
7342 | if (*q == ' ') |
7343 | ++q; | |
7344 | } | |
9218435e | 7345 | |
d25a45d4 KH |
7346 | if (! mp) |
7347 | m = 0; | |
0a8d6618 | 7348 | |
d25a45d4 KH |
7349 | if (*e == ' ') |
7350 | ++e; | |
7351 | } | |
7352 | ||
7353 | if (m) | |
7354 | { | |
7355 | skip = 1; | |
7356 | break; | |
7357 | } | |
7358 | ||
7359 | if (*e != '\0') | |
7360 | ++e; | |
7361 | } | |
7362 | } | |
0a8d6618 BC |
7363 | |
7364 | if (! skip) | |
d25a45d4 KH |
7365 | { |
7366 | /* If this is a duplicate, skip it. */ | |
7367 | skip = (last_path != 0 && (unsigned int) (p - this_path) == last_path_len | |
7368 | && ! strncmp (last_path, this_path, last_path_len)); | |
60103a34 | 7369 | |
d25a45d4 KH |
7370 | last_path = this_path; |
7371 | last_path_len = p - this_path; | |
0a8d6618 | 7372 | } |
60103a34 | 7373 | |
03c42484 RK |
7374 | /* If this directory requires any default arguments, we can skip |
7375 | it. We will already have printed a directory identical to | |
7376 | this one which does not require that default argument. */ | |
7377 | if (! skip) | |
7378 | { | |
3b304f5b | 7379 | const char *q; |
03c42484 RK |
7380 | |
7381 | q = p + 1; | |
7382 | while (*q != ';') | |
7383 | { | |
3b304f5b | 7384 | const char *arg; |
03c42484 RK |
7385 | |
7386 | if (*q == '\0') | |
7387 | abort (); | |
7388 | ||
7389 | if (*q == '!') | |
7390 | arg = NULL; | |
7391 | else | |
7392 | arg = q; | |
7393 | ||
7394 | while (*q != ' ' && *q != ';') | |
7395 | { | |
7396 | if (*q == '\0') | |
7397 | abort (); | |
7398 | ++q; | |
7399 | } | |
7400 | ||
7401 | if (arg != NULL | |
7402 | && default_arg (arg, q - arg)) | |
7403 | { | |
7404 | skip = 1; | |
7405 | break; | |
7406 | } | |
7407 | ||
7408 | if (*q == ' ') | |
7409 | ++q; | |
7410 | } | |
7411 | } | |
7412 | ||
60103a34 DE |
7413 | if (! skip) |
7414 | { | |
3b304f5b | 7415 | const char *p1; |
60103a34 | 7416 | |
5bbcd587 | 7417 | for (p1 = last_path; p1 < p && *p1 != ':'; p1++) |
60103a34 DE |
7418 | putchar (*p1); |
7419 | putchar (';'); | |
7420 | } | |
7421 | ||
7422 | ++p; | |
7423 | while (*p != ';') | |
7424 | { | |
7425 | int use_arg; | |
7426 | ||
7427 | if (*p == '\0') | |
7428 | abort (); | |
7429 | ||
7430 | if (skip) | |
7431 | { | |
7432 | ++p; | |
7433 | continue; | |
7434 | } | |
7435 | ||
7436 | use_arg = *p != '!'; | |
7437 | ||
7438 | if (use_arg) | |
7439 | putchar ('@'); | |
7440 | ||
7441 | while (*p != ' ' && *p != ';') | |
7442 | { | |
7443 | if (*p == '\0') | |
7444 | abort (); | |
7445 | if (use_arg) | |
7446 | putchar (*p); | |
7447 | ++p; | |
7448 | } | |
7449 | ||
7450 | if (*p == ' ') | |
7451 | ++p; | |
7452 | } | |
7453 | ||
7454 | if (! skip) | |
961b7009 | 7455 | { |
3ac63d94 | 7456 | /* If there are extra options, print them now. */ |
961b7009 MM |
7457 | if (multilib_extra && *multilib_extra) |
7458 | { | |
7459 | int print_at = TRUE; | |
3b304f5b | 7460 | const char *q; |
961b7009 MM |
7461 | |
7462 | for (q = multilib_extra; *q != '\0'; q++) | |
7463 | { | |
7464 | if (*q == ' ') | |
7465 | print_at = TRUE; | |
7466 | else | |
7467 | { | |
7468 | if (print_at) | |
7469 | putchar ('@'); | |
7470 | putchar (*q); | |
7471 | print_at = FALSE; | |
7472 | } | |
7473 | } | |
7474 | } | |
9218435e | 7475 | |
961b7009 MM |
7476 | putchar ('\n'); |
7477 | } | |
60103a34 DE |
7478 | |
7479 | ++p; | |
7480 | } | |
7481 | } | |
f3226a90 JT |
7482 | \f |
7483 | /* if-exists built-in spec function. | |
7484 | ||
7485 | Checks to see if the file specified by the absolute pathname in | |
7486 | ARGS exists. Returns that pathname if found. | |
7487 | ||
7488 | The usual use for this function is to check for a library file | |
7489 | (whose name has been expanded with %s). */ | |
7490 | ||
7491 | static const char * | |
1d088dee | 7492 | if_exists_spec_function (int argc, const char **argv) |
f3226a90 JT |
7493 | { |
7494 | /* Must have only one argument. */ | |
3dce1408 | 7495 | if (argc == 1 && IS_ABSOLUTE_PATH (argv[0]) && ! access (argv[0], R_OK)) |
f3226a90 JT |
7496 | return argv[0]; |
7497 | ||
7498 | return NULL; | |
7499 | } | |
152a5a9c JT |
7500 | |
7501 | /* if-exists-else built-in spec function. | |
7502 | ||
7503 | This is like if-exists, but takes an additional argument which | |
7504 | is returned if the first argument does not exist. */ | |
7505 | ||
7506 | static const char * | |
1d088dee | 7507 | if_exists_else_spec_function (int argc, const char **argv) |
152a5a9c JT |
7508 | { |
7509 | /* Must have exactly two arguments. */ | |
7510 | if (argc != 2) | |
7511 | return NULL; | |
7512 | ||
3dce1408 | 7513 | if (IS_ABSOLUTE_PATH (argv[0]) && ! access (argv[0], R_OK)) |
152a5a9c JT |
7514 | return argv[0]; |
7515 | ||
7516 | return argv[1]; | |
7517 | } |