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d7a9644e | 1 | /* Compiler driver program that can handle many languages. |
2c815aff | 2 | Copyright (C) 1987, 1989, 1992, 1993, 1994, 1995, 1996, 1997, 1998, |
338f13ca | 3 | 1999, 2000, 2001, 2002 Free Software Foundation, Inc. |
d7a9644e | 4 | |
f12b58b3 | 5 | This file is part of GCC. |
d7a9644e | 6 | |
f12b58b3 | 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. | |
d7a9644e | 11 | |
f12b58b3 | 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. | |
d7a9644e | 16 | |
17 | You should have received a copy of the GNU General Public License | |
f12b58b3 | 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. | |
d7a9644e | 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". */ | |
7014838c | 34 | |
833a5c07 | 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 | ||
0dbd1c74 | 73 | #include "config.h" |
405711de | 74 | #include "system.h" |
75 | #include <signal.h> | |
6b917287 | 76 | #if ! defined( SIGCHLD ) && defined( SIGCLD ) |
77 | # define SIGCHLD SIGCLD | |
78 | #endif | |
fe8833f8 | 79 | #include "obstack.h" |
be2828ce | 80 | #include "intl.h" |
7bcdc3c7 | 81 | #include "prefix.h" |
7f0b0c27 | 82 | #include "gcc.h" |
a6a0d17a | 83 | #include "flags.h" |
4ee8d66a | 84 | |
a876e5f8 | 85 | #ifdef HAVE_SYS_RESOURCE_H |
86 | #include <sys/resource.h> | |
87 | #endif | |
07c927cb | 88 | #if defined (HAVE_DECL_GETRUSAGE) && !HAVE_DECL_GETRUSAGE |
621f6678 | 89 | extern int getrusage PARAMS ((int, struct rusage *)); |
a876e5f8 | 90 | #endif |
91 | ||
10f57222 | 92 | /* By default there is no special suffix for target executables. */ |
93 | /* FIXME: when autoconf is fixed, remove the host check - dj */ | |
94 | #if defined(TARGET_EXECUTABLE_SUFFIX) && defined(HOST_EXECUTABLE_SUFFIX) | |
95 | #define HAVE_TARGET_EXECUTABLE_SUFFIX | |
d7a9644e | 96 | #endif |
99b832c9 | 97 | |
10f57222 | 98 | /* By default there is no special suffix for host executables. */ |
99 | #ifdef HOST_EXECUTABLE_SUFFIX | |
100 | #define HAVE_HOST_EXECUTABLE_SUFFIX | |
9ec04dd9 | 101 | #else |
10f57222 | 102 | #define HOST_EXECUTABLE_SUFFIX "" |
103 | #endif | |
104 | ||
105 | /* By default, the suffix for target object files is ".o". */ | |
106 | #ifdef TARGET_OBJECT_SUFFIX | |
107 | #define HAVE_TARGET_OBJECT_SUFFIX | |
108 | #else | |
109 | #define TARGET_OBJECT_SUFFIX ".o" | |
499a0933 | 110 | #endif |
111 | ||
b155ba2f | 112 | #ifndef VMS |
113 | /* FIXME: the location independence code for VMS is hairier than this, | |
114 | and hasn't been written. */ | |
115 | #ifndef DIR_UP | |
116 | #define DIR_UP ".." | |
117 | #endif /* DIR_UP */ | |
118 | #endif /* VMS */ | |
119 | ||
e99c3a1d | 120 | static const char dir_separator_str[] = { DIR_SEPARATOR, 0 }; |
b9374a77 | 121 | |
397f1574 | 122 | /* Most every one is fine with LIBRARY_PATH. For some, it conflicts. */ |
123 | #ifndef LIBRARY_PATH_ENV | |
124 | #define LIBRARY_PATH_ENV "LIBRARY_PATH" | |
125 | #endif | |
126 | ||
ad87de1e | 127 | #ifndef HAVE_KILL |
128 | #define kill(p,s) raise(s) | |
129 | #endif | |
130 | ||
d7a9644e | 131 | /* If a stage of compilation returns an exit status >= 1, |
132 | compilation of that file ceases. */ | |
133 | ||
134 | #define MIN_FATAL_STATUS 1 | |
135 | ||
258d3911 | 136 | /* Flag set by cppspec.c to 1. */ |
137 | int is_cpp_driver; | |
138 | ||
155b05dc | 139 | /* Flag saying to pass the greatest exit code returned by a sub-process |
140 | to the calling program. */ | |
141 | static int pass_exit_codes; | |
142 | ||
4a0e2d42 | 143 | /* Definition of string containing the arguments given to configure. */ |
144 | #include "configargs.h" | |
145 | ||
71cee7b1 | 146 | /* Flag saying to print the directories gcc will search through looking for |
147 | programs, libraries, etc. */ | |
148 | ||
149 | static int print_search_dirs; | |
150 | ||
1c1a1c70 | 151 | /* Flag saying to print the full filename of this file |
5e3dea2b | 152 | as found through our usual search mechanism. */ |
153 | ||
e40d43cc | 154 | static const char *print_file_name = NULL; |
1c1a1c70 | 155 | |
a92771b8 | 156 | /* As print_file_name, but search for executable file. */ |
1c1a1c70 | 157 | |
e40d43cc | 158 | static const char *print_prog_name = NULL; |
5e3dea2b | 159 | |
9577d478 | 160 | /* Flag saying to print the relative path we'd use to |
161 | find libgcc.a given the current compiler flags. */ | |
162 | ||
163 | static int print_multi_directory; | |
164 | ||
c954ff02 | 165 | /* Flag saying to print the relative path we'd use to |
166 | find OS libraries given the current compiler flags. */ | |
167 | ||
168 | static int print_multi_os_directory; | |
169 | ||
9577d478 | 170 | /* Flag saying to print the list of subdirectories and |
171 | compiler flags used to select them in a standard form. */ | |
172 | ||
173 | static int print_multi_lib; | |
174 | ||
8ace789a | 175 | /* Flag saying to print the command line options understood by gcc and its |
176 | sub-processes. */ | |
177 | ||
178 | static int print_help_list; | |
179 | ||
d7a9644e | 180 | /* Flag indicating whether we should print the command and arguments */ |
181 | ||
182 | static int verbose_flag; | |
183 | ||
74e4079a | 184 | /* Flag indicating whether we should ONLY print the command and |
185 | arguments (like verbose_flag) without executing the command. | |
186 | Displayed arguments are quoted so that the generated command | |
187 | line is suitable for execution. This is intended for use in | |
188 | shell scripts to capture the driver-generated command line. */ | |
189 | static int verbose_only_flag; | |
190 | ||
aa40f561 | 191 | /* Flag indicating to print target specific command line options. */ |
7a6882ca | 192 | |
193 | static int target_help_flag; | |
194 | ||
a876e5f8 | 195 | /* Flag indicating whether we should report subprocess execution times |
196 | (if this is supported by the system - see pexecute.c). */ | |
197 | ||
198 | static int report_times; | |
199 | ||
d7a9644e | 200 | /* Nonzero means write "temp" files in source directory |
201 | and use the source file's name in them, and don't delete them. */ | |
202 | ||
203 | static int save_temps_flag; | |
204 | ||
4dd56bd9 | 205 | /* The compiler version. */ |
d7a9644e | 206 | |
e772a198 | 207 | static const char *compiler_version; |
4dd56bd9 | 208 | |
209 | /* The target version specified with -V */ | |
210 | ||
3443e1be | 211 | static const char *const spec_version = DEFAULT_TARGET_VERSION; |
d7a9644e | 212 | |
213 | /* The target machine specified with -b. */ | |
214 | ||
e40d43cc | 215 | static const char *spec_machine = DEFAULT_TARGET_MACHINE; |
d7a9644e | 216 | |
a45072dd | 217 | /* Nonzero if cross-compiling. |
218 | When -b is used, the value comes from the `specs' file. */ | |
219 | ||
220 | #ifdef CROSS_COMPILE | |
e772a198 | 221 | static const char *cross_compile = "1"; |
a45072dd | 222 | #else |
e772a198 | 223 | static const char *cross_compile = "0"; |
a45072dd | 224 | #endif |
225 | ||
d2537617 | 226 | #ifdef MODIFY_TARGET_NAME |
227 | ||
228 | /* Information on how to alter the target name based on a command-line | |
229 | switch. The only case we support now is simply appending or deleting a | |
230 | string to or from the end of the first part of the configuration name. */ | |
231 | ||
e7c691ac | 232 | static const struct modify_target |
d2537617 | 233 | { |
e99c3a1d | 234 | const char *const sw; |
235 | const enum add_del {ADD, DELETE} add_del; | |
236 | const char *const str; | |
d2537617 | 237 | } |
238 | modify_target[] = MODIFY_TARGET_NAME; | |
239 | #endif | |
3cfec666 | 240 | |
d1a3c9a3 | 241 | /* The number of errors that have occurred; the link phase will not be |
6ef828f9 | 242 | run if this is nonzero. */ |
d1a3c9a3 | 243 | static int error_count = 0; |
244 | ||
155b05dc | 245 | /* Greatest exit code of sub-processes that has been encountered up to |
246 | now. */ | |
247 | static int greatest_status = 1; | |
248 | ||
d7a9644e | 249 | /* This is the obstack which we use to allocate many strings. */ |
250 | ||
251 | static struct obstack obstack; | |
252 | ||
8894538a | 253 | /* This is the obstack to build an environment variable to pass to |
4bbea254 | 254 | collect2 that describes all of the relevant switches of what to |
8894538a | 255 | pass the compiler in building the list of pointers to constructors |
256 | and destructors. */ | |
257 | ||
258 | static struct obstack collect_obstack; | |
259 | ||
a876e5f8 | 260 | /* These structs are used to collect resource usage information for |
261 | subprocesses. */ | |
262 | #ifdef HAVE_GETRUSAGE | |
263 | static struct rusage rus, prus; | |
264 | #endif | |
265 | ||
cbc3c863 | 266 | /* Forward declaration for prototypes. */ |
267 | struct path_prefix; | |
268 | ||
621f6678 | 269 | static void init_spec PARAMS ((void)); |
b155ba2f | 270 | #ifndef VMS |
621f6678 | 271 | static char **split_directories PARAMS ((const char *, int *)); |
272 | static void free_split_directories PARAMS ((char **)); | |
273 | static char *make_relative_prefix PARAMS ((const char *, const char *, const char *)); | |
b155ba2f | 274 | #endif /* VMS */ |
2508fdc3 | 275 | static void store_arg PARAMS ((const char *, int, int)); |
276 | static char *load_specs PARAMS ((const char *)); | |
621f6678 | 277 | static void read_specs PARAMS ((const char *, int)); |
278 | static void set_spec PARAMS ((const char *, const char *)); | |
279 | static struct compiler *lookup_compiler PARAMS ((const char *, size_t, const char *)); | |
280 | static char *build_search_list PARAMS ((struct path_prefix *, const char *, int)); | |
281 | static void putenv_from_prefixes PARAMS ((struct path_prefix *, const char *)); | |
282 | static int access_check PARAMS ((const char *, int)); | |
c954ff02 | 283 | static char *find_a_file PARAMS ((struct path_prefix *, const char *, |
284 | int, int)); | |
621f6678 | 285 | static void add_prefix PARAMS ((struct path_prefix *, const char *, |
c954ff02 | 286 | const char *, int, int, int *, int)); |
826f6505 | 287 | static void translate_options PARAMS ((int *, const char *const **)); |
621f6678 | 288 | static char *skip_whitespace PARAMS ((char *)); |
621f6678 | 289 | static void delete_if_ordinary PARAMS ((const char *)); |
290 | static void delete_temp_files PARAMS ((void)); | |
291 | static void delete_failure_queue PARAMS ((void)); | |
292 | static void clear_failure_queue PARAMS ((void)); | |
293 | static int check_live_switch PARAMS ((int, int)); | |
294 | static const char *handle_braces PARAMS ((const char *)); | |
c21b3276 | 295 | static const struct spec_function *lookup_spec_function PARAMS ((const char *)); |
296 | static const char *eval_spec_function PARAMS ((const char *, const char *)); | |
297 | static const char *handle_spec_function PARAMS ((const char *)); | |
621f6678 | 298 | static char *save_string PARAMS ((const char *, int)); |
32d661fc | 299 | static void set_collect_gcc_options PARAMS ((void)); |
621f6678 | 300 | static int do_spec_1 PARAMS ((const char *, int, const char *)); |
4ae4e5e8 | 301 | static int do_spec_2 PARAMS ((const char *)); |
73023f49 | 302 | static void do_self_spec PARAMS ((const char *)); |
621f6678 | 303 | static const char *find_file PARAMS ((const char *)); |
304 | static int is_directory PARAMS ((const char *, const char *, int)); | |
305 | static void validate_switches PARAMS ((const char *)); | |
306 | static void validate_all_switches PARAMS ((void)); | |
307 | static void give_switch PARAMS ((int, int, int)); | |
308 | static int used_arg PARAMS ((const char *, int)); | |
309 | static int default_arg PARAMS ((const char *, int)); | |
310 | static void set_multilib_dir PARAMS ((void)); | |
311 | static void print_multilib_info PARAMS ((void)); | |
621f6678 | 312 | static void perror_with_name PARAMS ((const char *)); |
313 | static void pfatal_pexecute PARAMS ((const char *, const char *)) | |
e40d43cc | 314 | ATTRIBUTE_NORETURN; |
621f6678 | 315 | static void notice PARAMS ((const char *, ...)) |
e40d43cc | 316 | ATTRIBUTE_PRINTF_1; |
621f6678 | 317 | static void display_help PARAMS ((void)); |
318 | static void add_preprocessor_option PARAMS ((const char *, int)); | |
319 | static void add_assembler_option PARAMS ((const char *, int)); | |
320 | static void add_linker_option PARAMS ((const char *, int)); | |
826f6505 | 321 | static void process_command PARAMS ((int, const char *const *)); |
621f6678 | 322 | static int execute PARAMS ((void)); |
c21b3276 | 323 | static void alloc_args PARAMS ((void)); |
621f6678 | 324 | static void clear_args PARAMS ((void)); |
325 | static void fatal_error PARAMS ((int)); | |
b51d5c7c | 326 | #ifdef ENABLE_SHARED_LIBGCC |
5cb4c868 | 327 | static void init_gcc_specs PARAMS ((struct obstack *, |
0d6378a9 | 328 | const char *, const char *, |
5cb4c868 | 329 | const char *)); |
b51d5c7c | 330 | #endif |
7e6b5e54 | 331 | #if defined(HAVE_TARGET_OBJECT_SUFFIX) || defined(HAVE_TARGET_EXECUTABLE_SUFFIX) |
c5025ad6 | 332 | static const char *convert_filename PARAMS ((const char *, int, int)); |
7e6b5e54 | 333 | #endif |
c21b3276 | 334 | |
335 | static const char *if_exists_spec_function PARAMS ((int, const char **)); | |
d7a9644e | 336 | \f |
833a5c07 | 337 | /* The Specs Language |
338 | ||
339 | Specs are strings containing lines, each of which (if not blank) | |
d7a9644e | 340 | is made up of a program name, and arguments separated by spaces. |
341 | The program name must be exact and start from root, since no path | |
342 | is searched and it is unreliable to depend on the current working directory. | |
343 | Redirection of input or output is not supported; the subprograms must | |
344 | accept filenames saying what files to read and write. | |
345 | ||
346 | In addition, the specs can contain %-sequences to substitute variable text | |
347 | or for conditional text. Here is a table of all defined %-sequences. | |
348 | Note that spaces are not generated automatically around the results of | |
349 | expanding these sequences; therefore, you can concatenate them together | |
350 | or with constant text in a single argument. | |
351 | ||
352 | %% substitute one % into the program name or argument. | |
353 | %i substitute the name of the input file being processed. | |
354 | %b substitute the basename of the input file being processed. | |
355 | This is the substring up to (and not including) the last period | |
356 | and not including the directory. | |
1cf79a1a | 357 | %B same as %b, but include the file suffix (text after the last period). |
c78c5ee7 | 358 | %gSUFFIX |
359 | substitute a file name that has suffix SUFFIX and is chosen | |
360 | once per compilation, and mark the argument a la %d. To reduce | |
361 | exposure to denial-of-service attacks, the file name is now | |
362 | chosen in a way that is hard to predict even when previously | |
363 | chosen file names are known. For example, `%g.s ... %g.o ... %g.s' | |
364 | might turn into `ccUVUUAU.s ccXYAXZ12.o ccUVUUAU.s'. SUFFIX matches | |
2c2aaf10 | 365 | the regexp "[.A-Za-z]*%O"; "%O" is treated exactly as if it |
366 | had been pre-processed. Previously, %g was simply substituted | |
367 | with a file name chosen once per compilation, without regard | |
368 | to any appended suffix (which was therefore treated just like | |
369 | ordinary text), making such attacks more likely to succeed. | |
c78c5ee7 | 370 | %uSUFFIX |
371 | like %g, but generates a new temporary file name even if %uSUFFIX | |
372 | was already seen. | |
373 | %USUFFIX | |
374 | substitutes the last file name generated with %uSUFFIX, generating a | |
375 | new one if there is no such last file name. In the absence of any | |
376 | %uSUFFIX, this is just like %gSUFFIX, except they don't share | |
377 | the same suffix "space", so `%g.s ... %U.s ... %g.s ... %U.s' | |
378 | would involve the generation of two distinct file names, one | |
379 | for each `%g.s' and another for each `%U.s'. Previously, %U was | |
380 | simply substituted with a file name chosen for the previous %u, | |
381 | without regard to any appended suffix. | |
655a58fa | 382 | %jSUFFIX |
383 | substitutes the name of the HOST_BIT_BUCKET, if any, and if it is | |
384 | writable, and if save-temps is off; otherwise, substitute the name | |
385 | of a temporary file, just like %u. This temporary file is not | |
386 | meant for communication between processes, but rather as a junk | |
387 | disposal mechanism. | |
bdbd5352 | 388 | %.SUFFIX |
389 | substitutes .SUFFIX for the suffixes of a matched switch's args when | |
390 | it is subsequently output with %*. SUFFIX is terminated by the next | |
391 | space or %. | |
d7a9644e | 392 | %d marks the argument containing or following the %d as a |
393 | temporary file name, so that that file will be deleted if CC exits | |
394 | successfully. Unlike %g, this contributes no text to the argument. | |
395 | %w marks the argument containing or following the %w as the | |
396 | "output file" of this compilation. This puts the argument | |
397 | into the sequence of arguments that %o will substitute later. | |
398 | %W{...} | |
399 | like %{...} but mark last argument supplied within | |
400 | as a file to be deleted on failure. | |
401 | %o substitutes the names of all the output files, with spaces | |
402 | automatically placed around them. You should write spaces | |
403 | around the %o as well or the results are undefined. | |
404 | %o is for use in the specs for running the linker. | |
405 | Input files whose names have no recognized suffix are not compiled | |
406 | at all, but they are included among the output files, so they will | |
407 | be linked. | |
c78c5ee7 | 408 | %O substitutes the suffix for object files. Note that this is |
2c2aaf10 | 409 | handled specially when it immediately follows %g, %u, or %U |
410 | (with or without a suffix argument) because of the need for | |
411 | those to form complete file names. The handling is such that | |
412 | %O is treated exactly as if it had already been substituted, | |
413 | except that %g, %u, and %U do not currently support additional | |
414 | SUFFIX characters following %O as they would following, for | |
415 | example, `.o'. | |
d7a9644e | 416 | %p substitutes the standard macro predefinitions for the |
417 | current target machine. Use this when running cpp. | |
418 | %P like %p, but puts `__' before and after the name of each macro. | |
419 | (Except macros that already have __.) | |
420 | This is for ANSI C. | |
bfef3e2f | 421 | %I Substitute a -iprefix option made from GCC_EXEC_PREFIX. |
d7a9644e | 422 | %s current argument is the name of a library or startup file of some sort. |
423 | Search for that file in a standard list of directories | |
424 | and substitute the full name found. | |
425 | %eSTR Print STR as an error message. STR is terminated by a newline. | |
426 | Use this when inconsistent options are detected. | |
90286764 | 427 | %nSTR Print STR as an notice. STR is terminated by a newline. |
d7a9644e | 428 | %x{OPTION} Accumulate an option for %X. |
429 | %X Output the accumulated linker options specified by compilations. | |
69587571 | 430 | %Y Output the accumulated assembler options specified by compilations. |
391d9b6e | 431 | %Z Output the accumulated preprocessor options specified by compilations. |
b818fda9 | 432 | %v1 Substitute the major version number of GCC. |
5edecf3c | 433 | (For version 2.5.3, this is 2.) |
b818fda9 | 434 | %v2 Substitute the minor version number of GCC. |
5edecf3c | 435 | (For version 2.5.3, this is 5.) |
436 | %v3 Substitute the patch level number of GCC. | |
437 | (For version 2.5.3, this is 3.) | |
d7a9644e | 438 | %a process ASM_SPEC as a spec. |
439 | This allows config.h to specify part of the spec for running as. | |
440 | %A process ASM_FINAL_SPEC as a spec. A capital A is actually | |
441 | used here. This can be used to run a post-processor after the | |
9e042f31 | 442 | assembler has done its job. |
b9374a77 | 443 | %D Dump out a -L option for each directory in startfile_prefixes. |
9577d478 | 444 | If multilib_dir is set, extra entries are generated with it affixed. |
d7a9644e | 445 | %l process LINK_SPEC as a spec. |
446 | %L process LIB_SPEC as a spec. | |
b7c87ff2 | 447 | %G process LIBGCC_SPEC as a spec. |
43198b29 | 448 | %M output multilib_dir with directory separators replaced with "_"; |
449 | if multilib_dir is not set or is ".", output "". | |
d7a9644e | 450 | %S process STARTFILE_SPEC as a spec. A capital S is actually used here. |
451 | %E process ENDFILE_SPEC as a spec. A capital E is actually used here. | |
43198b29 | 452 | %C process CPP_SPEC as a spec. |
d7a9644e | 453 | %1 process CC1_SPEC as a spec. |
454 | %2 process CC1PLUS_SPEC as a spec. | |
f90016ef | 455 | %| output "-" if the input for the current command is coming from a pipe. |
d7a9644e | 456 | %* substitute the variable part of a matched option. (See below.) |
457 | Note that each comma in the substituted string is replaced by | |
458 | a single space. | |
c21b3276 | 459 | %:function(args) |
460 | Call the named function FUNCTION, passing it ARGS. ARGS is | |
461 | first processed as a nested spec string, then split into an | |
462 | argument vector in the usual fashion. The function returns | |
463 | a string which is processed as if it had appeared literally | |
464 | as part of the current spec. | |
d7a9644e | 465 | %{S} substitutes the -S switch, if that switch was given to CC. |
466 | If that switch was not specified, this substitutes nothing. | |
467 | Here S is a metasyntactic variable. | |
468 | %{S*} substitutes all the switches specified to CC whose names start | |
e1478c0f | 469 | with -S. This is used for -o, -I, etc; switches that take |
d7a9644e | 470 | arguments. CC considers `-o foo' as being one switch whose |
471 | name starts with `o'. %{o*} would substitute this text, | |
472 | including the space; thus, two arguments would be generated. | |
faaf6e4c | 473 | %{^S*} likewise, but don't put a blank between a switch and any args. |
e1478c0f | 474 | %{S*&T*} likewise, but preserve order of S and T options (the order |
475 | of S and T in the spec is not significant). Can be any number | |
476 | of ampersand-separated variables; for each the wild card is | |
477 | optional. Useful for CPP as %{D*&U*&A*}. | |
e2a5805f | 478 | %{S*:X} substitutes X if one or more switches whose names start with -S are |
d7a9644e | 479 | specified to CC. Note that the tail part of the -S option |
480 | (i.e. the part matched by the `*') will be substituted for each | |
4bbea254 | 481 | occurrence of %* within X. |
424da949 | 482 | %{<S} remove all occurrences of -S from the command line. |
4a10d696 | 483 | Note - this option is position dependent. % commands in the |
68cc7bc3 | 484 | spec string before this option will see -S, % commands in the |
4a10d696 | 485 | spec string after this option will not. |
d7a9644e | 486 | %{S:X} substitutes X, but only if the -S switch was given to CC. |
487 | %{!S:X} substitutes X, but only if the -S switch was NOT given to CC. | |
488 | %{|S:X} like %{S:X}, but if no S switch, substitute `-'. | |
489 | %{|!S:X} like %{!S:X}, but if there is an S switch, substitute `-'. | |
490 | %{.S:X} substitutes X, but only if processing a file with suffix S. | |
491 | %{!.S:X} substitutes X, but only if NOT processing a file with suffix S. | |
ae70654c | 492 | %{S|P:X} substitutes X if either -S or -P was given to CC. This may be |
493 | combined with ! and . as above binding stronger than the OR. | |
8894538a | 494 | %(Spec) processes a specification defined in a specs file as *Spec: |
50bcc52e | 495 | %[Spec] as above, but put __ around -D arguments |
d7a9644e | 496 | |
497 | The conditional text X in a %{S:X} or %{!S:X} construct may contain | |
498 | other nested % constructs or spaces, or even newlines. They are | |
499 | processed as usual, as described above. | |
500 | ||
d870e215 | 501 | The -O, -f, -m, and -W switches are handled specifically in these |
cde688ab | 502 | constructs. If another value of -O or the negated form of a -f, -m, or |
503 | -W switch is found later in the command line, the earlier switch | |
d870e215 | 504 | value is ignored, except with {S*} where S is just one letter; this |
505 | passes all matching options. | |
cde688ab | 506 | |
ae70654c | 507 | The character | at the beginning of the predicate text is used to indicate |
508 | that a command should be piped to the following command, but only if -pipe | |
509 | is specified. | |
d7a9644e | 510 | |
511 | Note that it is built into CC which switches take arguments and which | |
512 | do not. You might think it would be useful to generalize this to | |
513 | allow each compiler's spec to say which switches take arguments. But | |
514 | this cannot be done in a consistent fashion. CC cannot even decide | |
515 | which input files have been specified without knowing which switches | |
516 | take arguments, and it must know which input files to compile in order | |
517 | to tell which compilers to run. | |
518 | ||
519 | CC also knows implicitly that arguments starting in `-l' are to be | |
520 | treated as compiler output files, and passed to the linker in their | |
521 | proper position among the other output files. */ | |
522 | \f | |
537c4bc6 | 523 | /* Define the macros used for specs %a, %l, %L, %S, %C, %1. */ |
d7a9644e | 524 | |
525 | /* config.h can define ASM_SPEC to provide extra args to the assembler | |
526 | or extra switch-translations. */ | |
527 | #ifndef ASM_SPEC | |
528 | #define ASM_SPEC "" | |
529 | #endif | |
530 | ||
531 | /* config.h can define ASM_FINAL_SPEC to run a post processor after | |
532 | the assembler has run. */ | |
533 | #ifndef ASM_FINAL_SPEC | |
534 | #define ASM_FINAL_SPEC "" | |
535 | #endif | |
536 | ||
537 | /* config.h can define CPP_SPEC to provide extra args to the C preprocessor | |
538 | or extra switch-translations. */ | |
539 | #ifndef CPP_SPEC | |
540 | #define CPP_SPEC "" | |
541 | #endif | |
542 | ||
543 | /* config.h can define CC1_SPEC to provide extra args to cc1 and cc1plus | |
544 | or extra switch-translations. */ | |
545 | #ifndef CC1_SPEC | |
546 | #define CC1_SPEC "" | |
547 | #endif | |
548 | ||
549 | /* config.h can define CC1PLUS_SPEC to provide extra args to cc1plus | |
550 | or extra switch-translations. */ | |
551 | #ifndef CC1PLUS_SPEC | |
552 | #define CC1PLUS_SPEC "" | |
553 | #endif | |
554 | ||
555 | /* config.h can define LINK_SPEC to provide extra args to the linker | |
556 | or extra switch-translations. */ | |
557 | #ifndef LINK_SPEC | |
558 | #define LINK_SPEC "" | |
559 | #endif | |
560 | ||
561 | /* config.h can define LIB_SPEC to override the default libraries. */ | |
562 | #ifndef LIB_SPEC | |
b7c87ff2 | 563 | #define LIB_SPEC "%{!shared:%{g*:-lg} %{!p:%{!pg:-lc}}%{p:-lc_p}%{pg:-lc_p}}" |
564 | #endif | |
565 | ||
566 | /* config.h can define LIBGCC_SPEC to override how and when libgcc.a is | |
567 | included. */ | |
568 | #ifndef LIBGCC_SPEC | |
569 | #if defined(LINK_LIBGCC_SPECIAL) || defined(LINK_LIBGCC_SPECIAL_1) | |
570 | /* Have gcc do the search for libgcc.a. */ | |
21eaebc3 | 571 | #define LIBGCC_SPEC "libgcc.a%s" |
b7c87ff2 | 572 | #else |
21eaebc3 | 573 | #define LIBGCC_SPEC "-lgcc" |
b7c87ff2 | 574 | #endif |
d7a9644e | 575 | #endif |
576 | ||
577 | /* config.h can define STARTFILE_SPEC to override the default crt0 files. */ | |
578 | #ifndef STARTFILE_SPEC | |
579 | #define STARTFILE_SPEC \ | |
995c1b4d | 580 | "%{!shared:%{pg:gcrt0%O%s}%{!pg:%{p:mcrt0%O%s}%{!p:crt0%O%s}}}" |
d7a9644e | 581 | #endif |
582 | ||
08309729 | 583 | /* config.h can define SWITCHES_NEED_SPACES to control which options |
584 | require spaces between the option and the argument. */ | |
d7a9644e | 585 | #ifndef SWITCHES_NEED_SPACES |
586 | #define SWITCHES_NEED_SPACES "" | |
587 | #endif | |
588 | ||
589 | /* config.h can define ENDFILE_SPEC to override the default crtn files. */ | |
590 | #ifndef ENDFILE_SPEC | |
591 | #define ENDFILE_SPEC "" | |
592 | #endif | |
593 | ||
0c787992 | 594 | #ifndef LINKER_NAME |
595 | #define LINKER_NAME "collect2" | |
596 | #endif | |
597 | ||
1a6f9700 | 598 | /* Define ASM_DEBUG_SPEC to be a spec suitable for translating '-g' |
599 | to the assembler. */ | |
600 | #ifndef ASM_DEBUG_SPEC | |
82505826 | 601 | # if defined(DBX_DEBUGGING_INFO) && defined(DWARF2_DEBUGGING_INFO) \ |
602 | && defined(HAVE_AS_GDWARF2_DEBUG_FLAG) && defined(HAVE_AS_GSTABS_DEBUG_FLAG) | |
603 | # define ASM_DEBUG_SPEC \ | |
a6a0d17a | 604 | (PREFERRED_DEBUGGING_TYPE == DBX_DEBUG \ |
605 | ? "%{gdwarf-2*:--gdwarf2}%{!gdwarf-2*:%{g*:--gstabs}}" \ | |
606 | : "%{gstabs*:--gstabs}%{!gstabs*:%{g*:--gdwarf2}}") | |
82505826 | 607 | # else |
608 | # if defined(DBX_DEBUGGING_INFO) && defined(HAVE_AS_GSTABS_DEBUG_FLAG) | |
609 | # define ASM_DEBUG_SPEC "%{g*:--gstabs}" | |
610 | # endif | |
611 | # if defined(DWARF2_DEBUGGING_INFO) && defined(HAVE_AS_GDWARF2_DEBUG_FLAG) | |
612 | # define ASM_DEBUG_SPEC "%{g*:--gdwarf2}" | |
1a6f9700 | 613 | # endif |
1a6f9700 | 614 | # endif |
615 | #endif | |
a6a0d17a | 616 | #ifndef ASM_DEBUG_SPEC |
617 | # define ASM_DEBUG_SPEC "" | |
618 | #endif | |
1a6f9700 | 619 | |
1cf79a1a | 620 | /* Here is the spec for running the linker, after compiling all files. */ |
621 | ||
da98d114 | 622 | /* This is overridable by the target in case they need to specify the |
623 | -lgcc and -lc order specially, yet not require them to override all | |
624 | of LINK_COMMAND_SPEC. */ | |
625 | #ifndef LINK_GCC_C_SEQUENCE_SPEC | |
626 | #define LINK_GCC_C_SEQUENCE_SPEC "%G %L %G" | |
627 | #endif | |
628 | ||
1cf79a1a | 629 | /* -u* was put back because both BSD and SysV seem to support it. */ |
630 | /* %{static:} simply prevents an error message if the target machine | |
631 | doesn't handle -static. */ | |
632 | /* We want %{T*} after %{L*} and %D so that it can be used to specify linker | |
633 | scripts which exist in user specified directories, or in standard | |
634 | directories. */ | |
635 | #ifndef LINK_COMMAND_SPEC | |
636 | #define LINK_COMMAND_SPEC "\ | |
637 | %{!fsyntax-only:%{!c:%{!M:%{!MM:%{!E:%{!S:\ | |
638 | %(linker) %l %X %{o*} %{A} %{d} %{e*} %{m} %{N} %{n} %{r} %{s} %{t}\ | |
639 | %{u*} %{x} %{z} %{Z} %{!A:%{!nostdlib:%{!nostartfiles:%S}}}\ | |
06449996 | 640 | %{static:} %{L*} %(link_libgcc) %o %{!nostdlib:%{!nodefaultlibs:%(link_gcc_c_sequence)}}\ |
1cf79a1a | 641 | %{!A:%{!nostdlib:%{!nostartfiles:%E}}} %{T*} }}}}}}" |
642 | #endif | |
643 | ||
644 | #ifndef LINK_LIBGCC_SPEC | |
645 | # ifdef LINK_LIBGCC_SPECIAL | |
646 | /* Don't generate -L options for startfile prefix list. */ | |
647 | # define LINK_LIBGCC_SPEC "" | |
648 | # else | |
649 | /* Do generate them. */ | |
650 | # define LINK_LIBGCC_SPEC "%D" | |
651 | # endif | |
652 | #endif | |
653 | ||
4ae4e5e8 | 654 | #ifndef STARTFILE_PREFIX_SPEC |
655 | # define STARTFILE_PREFIX_SPEC "" | |
656 | #endif | |
657 | ||
a4de3479 | 658 | static const char *asm_debug; |
e772a198 | 659 | static const char *cpp_spec = CPP_SPEC; |
660 | static const char *cpp_predefines = CPP_PREDEFINES; | |
661 | static const char *cc1_spec = CC1_SPEC; | |
662 | static const char *cc1plus_spec = CC1PLUS_SPEC; | |
da98d114 | 663 | static const char *link_gcc_c_sequence_spec = LINK_GCC_C_SEQUENCE_SPEC; |
e772a198 | 664 | static const char *asm_spec = ASM_SPEC; |
665 | static const char *asm_final_spec = ASM_FINAL_SPEC; | |
666 | static const char *link_spec = LINK_SPEC; | |
667 | static const char *lib_spec = LIB_SPEC; | |
668 | static const char *libgcc_spec = LIBGCC_SPEC; | |
669 | static const char *endfile_spec = ENDFILE_SPEC; | |
670 | static const char *startfile_spec = STARTFILE_SPEC; | |
671 | static const char *switches_need_spaces = SWITCHES_NEED_SPACES; | |
672 | static const char *linker_name_spec = LINKER_NAME; | |
1cf79a1a | 673 | static const char *link_command_spec = LINK_COMMAND_SPEC; |
674 | static const char *link_libgcc_spec = LINK_LIBGCC_SPEC; | |
4ae4e5e8 | 675 | static const char *startfile_prefix_spec = STARTFILE_PREFIX_SPEC; |
1cf79a1a | 676 | |
677 | /* Standard options to cpp, cc1, and as, to reduce duplication in specs. | |
678 | There should be no need to override these in target dependent files, | |
679 | but we need to copy them to the specs file so that newer versions | |
680 | of the GCC driver can correctly drive older tool chains with the | |
681 | appropriate -B options. */ | |
682 | ||
62683efd | 683 | /* When cpplib handles traditional preprocessing, get rid of this, and |
684 | call cc1 (or cc1obj in objc/lang-specs.h) from the main specs so | |
685 | that we default the front end language better. */ | |
1cf79a1a | 686 | static const char *trad_capable_cpp = |
17df7fec | 687 | "cc1 -E %{traditional|ftraditional|traditional-cpp:-traditional-cpp}"; |
1cf79a1a | 688 | |
eb95e7f7 | 689 | /* We don't wrap .d files in %W{} since a missing .d file, and |
690 | therefore no dependency entry, confuses make into thinking a .o | |
691 | file that happens to exist is up-to-date. */ | |
a182c763 | 692 | static const char *cpp_unique_options = |
1cf79a1a | 693 | "%{C:%{!E:%eGNU C does not support -C without using -E}}\ |
d3f7919d | 694 | %{CC:%{!E:%eGNU C does not support -CC without using -E}}\ |
45c365b1 | 695 | %{!Q:-quiet} %{nostdinc*} %{C} %{CC} %{v} %{I*} %{P} %I\ |
eb95e7f7 | 696 | %{MD:-MD %{!o:%b.d}%{o*:%.d%*}}\ |
697 | %{MMD:-MMD %{!o:%b.d}%{o*:%.d%*}}\ | |
698 | %{M} %{MM} %{MF*} %{MG} %{MP} %{MQ*} %{MT*}\ | |
5ca8af9f | 699 | %{!E:%{!M:%{!MM:%{MD|MMD:%{o*:-MQ %*}}}}}\ |
10cafc5e | 700 | %{!no-gcc:-D__GNUC__=%v1 -D__GNUC_MINOR__=%v2 -D__GNUC_PATCHLEVEL__=%v3}\ |
1cf79a1a | 701 | %{!undef:%{!ansi:%{!std=*:%p}%{std=gnu*:%p}} %P} %{trigraphs}\ |
18aa8a54 | 702 | %{remap} %{g3:-dD} %{H} %C %{D*&U*&A*} %{i*} %Z %i\ |
5ca8af9f | 703 | %{E|M|MM:%W{o*}}"; |
a182c763 | 704 | |
705 | /* This contains cpp options which are common with cc1_options and are passed | |
39c188c5 | 706 | only when preprocessing only to avoid duplication. We pass the cc1 spec |
707 | options to the preprocessor so that it the cc1 spec may manipulate | |
708 | options used to set target flags. Those special target flags settings may | |
709 | in turn cause preprocessor symbols to be defined specially. */ | |
a182c763 | 710 | static const char *cpp_options = |
069496ba | 711 | "%(cpp_unique_options) %1 %{m*} %{std*} %{ansi} %{W*&pedantic*} %{w} %{f*}\ |
18aa8a54 | 712 | %{O*} %{undef}"; |
1cf79a1a | 713 | |
4702fc25 | 714 | /* This contains cpp options which are not passed when the preprocessor |
715 | output will be used by another program. */ | |
716 | static const char *cpp_debug_options = "%{d*}"; | |
717 | ||
99b02af1 | 718 | /* NB: This is shared amongst all front-ends. */ |
1cf79a1a | 719 | static const char *cc1_options = |
720 | "%{pg:%{fomit-frame-pointer:%e-pg and -fomit-frame-pointer are incompatible}}\ | |
721 | %1 %{!Q:-quiet} -dumpbase %B %{d*} %{m*} %{a*}\ | |
30f45429 | 722 | -auxbase%{c|S:%{o*:-strip %*}%{!o*: %b}}%{!c:%{!S: %b}}\ |
2d9c8715 | 723 | %{g*} %{O*} %{W*&pedantic*} %{w} %{std*} %{ansi}\ |
1ed9d5f5 | 724 | %{v:-version} %{pg:-p} %{p} %{f*} %{undef}\ |
05dfd2e8 | 725 | %{Qn:-fno-ident} %{--help:--help}\ |
7a6882ca | 726 | %{--target-help:--target-help}\ |
655a58fa | 727 | %{!fsyntax-only:%{S:%W{o*}%{!o*:-o %b.s}}}\ |
833a5c07 | 728 | %{fsyntax-only:-o %j} %{-param*}"; |
1cf79a1a | 729 | |
730 | static const char *asm_options = | |
731 | "%a %Y %{c:%W{o*}%{!o*:-o %w%b%O}}%{!c:-o %d%w%u%O}"; | |
709c4e1b | 732 | |
99b02af1 | 733 | static const char *invoke_as = |
734 | "%{!S:-o %{|!pipe:%g.s} |\n as %(asm_options) %{!pipe:%g.s} %A }"; | |
735 | ||
709c4e1b | 736 | /* Some compilers have limits on line lengths, and the multilib_select |
3d97d965 | 737 | and/or multilib_matches strings can be very long, so we build them at |
738 | run time. */ | |
709c4e1b | 739 | static struct obstack multilib_obstack; |
e772a198 | 740 | static const char *multilib_select; |
741 | static const char *multilib_matches; | |
742 | static const char *multilib_defaults; | |
743 | static const char *multilib_exclusions; | |
3d97d965 | 744 | #include "multilib.h" |
745 | ||
746 | /* Check whether a particular argument is a default argument. */ | |
747 | ||
748 | #ifndef MULTILIB_DEFAULTS | |
749 | #define MULTILIB_DEFAULTS { "" } | |
750 | #endif | |
751 | ||
026f2c7a | 752 | static const char *const multilib_defaults_raw[] = MULTILIB_DEFAULTS; |
d7a9644e | 753 | |
73023f49 | 754 | #ifndef DRIVER_SELF_SPECS |
755 | #define DRIVER_SELF_SPECS "" | |
756 | #endif | |
757 | ||
758 | static const char *const driver_self_specs[] = { DRIVER_SELF_SPECS }; | |
759 | ||
d4ea3b1f | 760 | struct user_specs |
761 | { | |
9d70d39c | 762 | struct user_specs *next; |
e40d43cc | 763 | const char *filename; |
9d70d39c | 764 | }; |
765 | ||
766 | static struct user_specs *user_specs_head, *user_specs_tail; | |
767 | ||
d7a9644e | 768 | /* This defines which switch letters take arguments. */ |
769 | ||
94ca3aab | 770 | #define DEFAULT_SWITCH_TAKES_ARG(CHAR) \ |
d7a9644e | 771 | ((CHAR) == 'D' || (CHAR) == 'U' || (CHAR) == 'o' \ |
772 | || (CHAR) == 'e' || (CHAR) == 'T' || (CHAR) == 'u' \ | |
747bd44c | 773 | || (CHAR) == 'I' || (CHAR) == 'm' || (CHAR) == 'x' \ |
0d52bda0 | 774 | || (CHAR) == 'L' || (CHAR) == 'A' || (CHAR) == 'B' || (CHAR) == 'b') |
2648b739 | 775 | |
776 | #ifndef SWITCH_TAKES_ARG | |
777 | #define SWITCH_TAKES_ARG(CHAR) DEFAULT_SWITCH_TAKES_ARG(CHAR) | |
d7a9644e | 778 | #endif |
779 | ||
780 | /* This defines which multi-letter switches take arguments. */ | |
781 | ||
b5d8f44c | 782 | #define DEFAULT_WORD_SWITCH_TAKES_ARG(STR) \ |
0aa53602 | 783 | (!strcmp (STR, "Tdata") || !strcmp (STR, "Ttext") \ |
784 | || !strcmp (STR, "Tbss") || !strcmp (STR, "include") \ | |
b5d8f44c | 785 | || !strcmp (STR, "imacros") || !strcmp (STR, "aux-info") \ |
786 | || !strcmp (STR, "idirafter") || !strcmp (STR, "iprefix") \ | |
a1bc80c2 | 787 | || !strcmp (STR, "iwithprefix") || !strcmp (STR, "iwithprefixbefore") \ |
833a5c07 | 788 | || !strcmp (STR, "isystem") || !strcmp (STR, "-param") \ |
789 | || !strcmp (STR, "specs") \ | |
7b4b68f2 | 790 | || !strcmp (STR, "MF") || !strcmp (STR, "MT") || !strcmp (STR, "MQ")) |
b5d8f44c | 791 | |
792 | #ifndef WORD_SWITCH_TAKES_ARG | |
793 | #define WORD_SWITCH_TAKES_ARG(STR) DEFAULT_WORD_SWITCH_TAKES_ARG (STR) | |
d7a9644e | 794 | #endif |
795 | \f | |
10f57222 | 796 | #ifdef HAVE_TARGET_EXECUTABLE_SUFFIX |
42fe96d7 | 797 | /* This defines which switches stop a full compilation. */ |
798 | #define DEFAULT_SWITCH_CURTAILS_COMPILATION(CHAR) \ | |
799 | ((CHAR) == 'c' || (CHAR) == 'S') | |
800 | ||
801 | #ifndef SWITCH_CURTAILS_COMPILATION | |
802 | #define SWITCH_CURTAILS_COMPILATION(CHAR) \ | |
803 | DEFAULT_SWITCH_CURTAILS_COMPILATION(CHAR) | |
804 | #endif | |
805 | #endif | |
806 | ||
d7a9644e | 807 | /* Record the mapping from file suffixes for compilation specs. */ |
808 | ||
809 | struct compiler | |
810 | { | |
e40d43cc | 811 | const char *suffix; /* Use this compiler for input files |
d7a9644e | 812 | whose names end in this suffix. */ |
6db05d3a | 813 | |
1cf79a1a | 814 | const char *spec; /* To use this compiler, run this spec. */ |
96842e40 | 815 | |
816 | const char *cpp_spec; /* If non-NULL, substitute this spec | |
817 | for `%C', rather than the usual | |
818 | cpp_spec. */ | |
d7a9644e | 819 | }; |
820 | ||
821 | /* Pointer to a vector of `struct compiler' that gives the spec for | |
822 | compiling a file, based on its suffix. | |
823 | A file that does not end in any of these suffixes will be passed | |
824 | unchanged to the loader and nothing else will be done to it. | |
825 | ||
826 | An entry containing two 0s is used to terminate the vector. | |
827 | ||
828 | If multiple entries match a file, the last matching one is used. */ | |
829 | ||
830 | static struct compiler *compilers; | |
831 | ||
832 | /* Number of entries in `compilers', not counting the null terminator. */ | |
833 | ||
834 | static int n_compilers; | |
835 | ||
836 | /* The default list of file name suffixes and their compilation specs. */ | |
837 | ||
c077395f | 838 | static const struct compiler default_compilers[] = |
d7a9644e | 839 | { |
6e8b4b1d | 840 | /* Add lists of suffixes of known languages here. If those languages |
0dbd1c74 | 841 | were not present when we built the driver, we will hit these copies |
842 | and be given a more meaningful error than "file not used since | |
6e8b4b1d | 843 | linking is not done". */ |
833a5c07 | 844 | {".m", "#Objective-C", 0}, {".mi", "#Objective-C", 0}, |
845 | {".cc", "#C++", 0}, {".cxx", "#C++", 0}, {".cpp", "#C++", 0}, | |
846 | {".cp", "#C++", 0}, {".c++", "#C++", 0}, {".C", "#C++", 0}, | |
847 | {".ii", "#C++", 0}, | |
d72ba7a9 | 848 | {".ads", "#Ada", 0}, {".adb", "#Ada", 0}, |
833a5c07 | 849 | {".f", "#Fortran", 0}, {".for", "#Fortran", 0}, {".fpp", "#Fortran", 0}, |
850 | {".F", "#Fortran", 0}, {".FOR", "#Fortran", 0}, {".FPP", "#Fortran", 0}, | |
851 | {".r", "#Ratfor", 0}, | |
852 | {".p", "#Pascal", 0}, {".pas", "#Pascal", 0}, | |
833a5c07 | 853 | {".java", "#Java", 0}, {".class", "#Java", 0}, |
854 | {".zip", "#Java", 0}, {".jar", "#Java", 0}, | |
6e8b4b1d | 855 | /* Next come the entries for C. */ |
833a5c07 | 856 | {".c", "@c", 0}, |
d7a9644e | 857 | {"@c", |
99b02af1 | 858 | /* cc1 has an integrated ISO C preprocessor. We should invoke the |
455730ef | 859 | external preprocessor if -save-temps is given. */ |
3ae4c9f3 | 860 | "%{E|M|MM:%(trad_capable_cpp) %(cpp_options) %(cpp_debug_options)}\ |
99b02af1 | 861 | %{!E:%{!M:%{!MM:\ |
455730ef | 862 | %{traditional|ftraditional:\ |
863 | %eGNU C no longer supports -traditional without -E}\ | |
864 | %{save-temps|traditional-cpp:%(trad_capable_cpp) \ | |
3ae4c9f3 | 865 | %(cpp_options) %b.i \n\ |
99b02af1 | 866 | cc1 -fpreprocessed %b.i %(cc1_options)}\ |
455730ef | 867 | %{!save-temps:%{!traditional-cpp:\ |
3ae4c9f3 | 868 | cc1 %(cpp_unique_options) %(cc1_options)}}\ |
833a5c07 | 869 | %{!fsyntax-only:%(invoke_as)}}}}", 0}, |
d7a9644e | 870 | {"-", |
1cf79a1a | 871 | "%{!E:%e-E required when input is from standard input}\ |
069496ba | 872 | %(trad_capable_cpp) %(cpp_options) %(cpp_debug_options)", 0}, |
833a5c07 | 873 | {".h", "@c-header", 0}, |
d7a9644e | 874 | {"@c-header", |
68435912 | 875 | "%{!E:%ecompilation of header file requested} \ |
3ae4c9f3 | 876 | %(trad_capable_cpp) %(cpp_options) %(cpp_debug_options)", |
4702fc25 | 877 | 0}, |
833a5c07 | 878 | {".i", "@cpp-output", 0}, |
d7a9644e | 879 | {"@cpp-output", |
833a5c07 | 880 | "%{!M:%{!MM:%{!E:cc1 -fpreprocessed %i %(cc1_options) %{!fsyntax-only:%(invoke_as)}}}}", 0}, |
881 | {".s", "@assembler", 0}, | |
d7a9644e | 882 | {"@assembler", |
1a6f9700 | 883 | "%{!M:%{!MM:%{!E:%{!S:as %(asm_debug) %(asm_options) %i %A }}}}", 0}, |
833a5c07 | 884 | {".S", "@assembler-with-cpp", 0}, |
d7a9644e | 885 | {"@assembler-with-cpp", |
99b02af1 | 886 | "%(trad_capable_cpp) -lang-asm %(cpp_options)\ |
4702fc25 | 887 | %{E|M|MM:%(cpp_debug_options)}\ |
1a6f9700 | 888 | %{!M:%{!MM:%{!E:%{!S:-o %{|!pipe:%g.s} |\n\ |
889 | as %(asm_debug) %(asm_options) %{!pipe:%g.s} %A }}}}", 0}, | |
45b17600 | 890 | #include "specs.h" |
d7a9644e | 891 | /* Mark end of table */ |
833a5c07 | 892 | {0, 0, 0} |
d7a9644e | 893 | }; |
894 | ||
895 | /* Number of elements in default_compilers, not counting the terminator. */ | |
896 | ||
3585dac7 | 897 | static const int n_default_compilers = ARRAY_SIZE (default_compilers) - 1; |
d7a9644e | 898 | |
d7a9644e | 899 | /* A vector of options to give to the linker. |
fcdc45aa | 900 | These options are accumulated by %x, |
d7a9644e | 901 | and substituted into the linker command with %X. */ |
902 | static int n_linker_options; | |
903 | static char **linker_options; | |
69587571 | 904 | |
905 | /* A vector of options to give to the assembler. | |
906 | These options are accumulated by -Wa, | |
391d9b6e | 907 | and substituted into the assembler command with %Y. */ |
69587571 | 908 | static int n_assembler_options; |
909 | static char **assembler_options; | |
391d9b6e | 910 | |
911 | /* A vector of options to give to the preprocessor. | |
912 | These options are accumulated by -Wp, | |
913 | and substituted into the preprocessor command with %Z. */ | |
914 | static int n_preprocessor_options; | |
915 | static char **preprocessor_options; | |
d7a9644e | 916 | \f |
62daf19f | 917 | /* Define how to map long options into short ones. */ |
918 | ||
919 | /* This structure describes one mapping. */ | |
920 | struct option_map | |
921 | { | |
922 | /* The long option's name. */ | |
e99c3a1d | 923 | const char *const name; |
62daf19f | 924 | /* The equivalent short option. */ |
e99c3a1d | 925 | const char *const equivalent; |
62daf19f | 926 | /* Argument info. A string of flag chars; NULL equals no options. |
927 | a => argument required. | |
928 | o => argument optional. | |
929 | j => join argument to equivalent, making one word. | |
873b55ec | 930 | * => require other text after NAME as an argument. */ |
e99c3a1d | 931 | const char *const arg_info; |
62daf19f | 932 | }; |
933 | ||
934 | /* This is the table of mappings. Mappings are tried sequentially | |
935 | for each option encountered; the first one that matches, wins. */ | |
936 | ||
e99c3a1d | 937 | static const struct option_map option_map[] = |
62daf19f | 938 | { |
873b55ec | 939 | {"--all-warnings", "-Wall", 0}, |
940 | {"--ansi", "-ansi", 0}, | |
941 | {"--assemble", "-S", 0}, | |
942 | {"--assert", "-A", "a"}, | |
f95cdfd1 | 943 | {"--classpath", "-fclasspath=", "aj"}, |
5609b23b | 944 | {"--bootclasspath", "-fbootclasspath=", "aj"}, |
945 | {"--CLASSPATH", "-fclasspath=", "aj"}, | |
873b55ec | 946 | {"--comments", "-C", 0}, |
d3f7919d | 947 | {"--comments-in-macros", "-CC", 0}, |
62daf19f | 948 | {"--compile", "-c", 0}, |
873b55ec | 949 | {"--debug", "-g", "oj"}, |
60572824 | 950 | {"--define-macro", "-D", "aj"}, |
873b55ec | 951 | {"--dependencies", "-M", 0}, |
62daf19f | 952 | {"--dump", "-d", "a"}, |
873b55ec | 953 | {"--dumpbase", "-dumpbase", "a"}, |
62daf19f | 954 | {"--entry", "-e", 0}, |
873b55ec | 955 | {"--extra-warnings", "-W", 0}, |
956 | {"--for-assembler", "-Wa", "a"}, | |
957 | {"--for-linker", "-Xlinker", "a"}, | |
958 | {"--force-link", "-u", "a"}, | |
62daf19f | 959 | {"--imacros", "-imacros", "a"}, |
873b55ec | 960 | {"--include", "-include", "a"}, |
961 | {"--include-barrier", "-I-", 0}, | |
60572824 | 962 | {"--include-directory", "-I", "aj"}, |
62daf19f | 963 | {"--include-directory-after", "-idirafter", "a"}, |
873b55ec | 964 | {"--include-prefix", "-iprefix", "a"}, |
62daf19f | 965 | {"--include-with-prefix", "-iwithprefix", "a"}, |
f3500718 | 966 | {"--include-with-prefix-before", "-iwithprefixbefore", "a"}, |
967 | {"--include-with-prefix-after", "-iwithprefix", "a"}, | |
873b55ec | 968 | {"--language", "-x", "a"}, |
969 | {"--library-directory", "-L", "a"}, | |
62daf19f | 970 | {"--machine", "-m", "aj"}, |
873b55ec | 971 | {"--machine-", "-m", "*j"}, |
972 | {"--no-line-commands", "-P", 0}, | |
973 | {"--no-precompiled-includes", "-noprecomp", 0}, | |
62daf19f | 974 | {"--no-standard-includes", "-nostdinc", 0}, |
975 | {"--no-standard-libraries", "-nostdlib", 0}, | |
62daf19f | 976 | {"--no-warnings", "-w", 0}, |
62daf19f | 977 | {"--optimize", "-O", "oj"}, |
873b55ec | 978 | {"--output", "-o", "a"}, |
701f1a96 | 979 | {"--output-class-directory", "-foutput-class-dir=", "ja"}, |
833a5c07 | 980 | {"--param", "--param", "a"}, |
62daf19f | 981 | {"--pedantic", "-pedantic", 0}, |
982 | {"--pedantic-errors", "-pedantic-errors", 0}, | |
873b55ec | 983 | {"--pipe", "-pipe", 0}, |
984 | {"--prefix", "-B", "a"}, | |
985 | {"--preprocess", "-E", 0}, | |
71cee7b1 | 986 | {"--print-search-dirs", "-print-search-dirs", 0}, |
1c1a1c70 | 987 | {"--print-file-name", "-print-file-name=", "aj"}, |
873b55ec | 988 | {"--print-libgcc-file-name", "-print-libgcc-file-name", 0}, |
989 | {"--print-missing-file-dependencies", "-MG", 0}, | |
9577d478 | 990 | {"--print-multi-lib", "-print-multi-lib", 0}, |
991 | {"--print-multi-directory", "-print-multi-directory", 0}, | |
c954ff02 | 992 | {"--print-multi-os-directory", "-print-multi-os-directory", 0}, |
873b55ec | 993 | {"--print-prog-name", "-print-prog-name=", "aj"}, |
994 | {"--profile", "-p", 0}, | |
995 | {"--profile-blocks", "-a", 0}, | |
996 | {"--quiet", "-q", 0}, | |
39471a6e | 997 | {"--resource", "-fcompile-resource=", "aj"}, |
873b55ec | 998 | {"--save-temps", "-save-temps", 0}, |
62daf19f | 999 | {"--shared", "-shared", 0}, |
873b55ec | 1000 | {"--silent", "-q", 0}, |
9d70d39c | 1001 | {"--specs", "-specs=", "aj"}, |
873b55ec | 1002 | {"--static", "-static", 0}, |
75bd5ada | 1003 | {"--std", "-std=", "aj"}, |
62daf19f | 1004 | {"--symbolic", "-symbolic", 0}, |
873b55ec | 1005 | {"--target", "-b", "a"}, |
a876e5f8 | 1006 | {"--time", "-time", 0}, |
873b55ec | 1007 | {"--trace-includes", "-H", 0}, |
1008 | {"--traditional", "-traditional", 0}, | |
1009 | {"--traditional-cpp", "-traditional-cpp", 0}, | |
1010 | {"--trigraphs", "-trigraphs", 0}, | |
60572824 | 1011 | {"--undefine-macro", "-U", "aj"}, |
873b55ec | 1012 | {"--use-version", "-V", "a"}, |
1013 | {"--user-dependencies", "-MM", 0}, | |
1014 | {"--verbose", "-v", 0}, | |
873b55ec | 1015 | {"--warn-", "-W", "*j"}, |
1016 | {"--write-dependencies", "-MD", 0}, | |
1017 | {"--write-user-dependencies", "-MMD", 0}, | |
62daf19f | 1018 | {"--", "-f", "*j"} |
1019 | }; | |
1020 | \f | |
522355d9 | 1021 | |
1022 | #ifdef TARGET_OPTION_TRANSLATE_TABLE | |
e99c3a1d | 1023 | static const struct { |
1024 | const char *const option_found; | |
1025 | const char *const replacements; | |
522355d9 | 1026 | } target_option_translations[] = |
1027 | { | |
1028 | TARGET_OPTION_TRANSLATE_TABLE, | |
1029 | { 0, 0 } | |
1030 | }; | |
1031 | #endif | |
1032 | ||
62daf19f | 1033 | /* Translate the options described by *ARGCP and *ARGVP. |
1034 | Make a new vector and store it back in *ARGVP, | |
1035 | and store its length in *ARGVC. */ | |
1036 | ||
1037 | static void | |
1038 | translate_options (argcp, argvp) | |
1039 | int *argcp; | |
826f6505 | 1040 | const char *const **argvp; |
62daf19f | 1041 | { |
274c11d8 | 1042 | int i; |
62daf19f | 1043 | int argc = *argcp; |
826f6505 | 1044 | const char *const *argv = *argvp; |
522355d9 | 1045 | int newvsize = (argc + 2) * 2 * sizeof (const char *); |
e40d43cc | 1046 | const char **newv = |
522355d9 | 1047 | (const char **) xmalloc (newvsize); |
62daf19f | 1048 | int newindex = 0; |
1049 | ||
1050 | i = 0; | |
1051 | newv[newindex++] = argv[i++]; | |
1052 | ||
1053 | while (i < argc) | |
1054 | { | |
522355d9 | 1055 | #ifdef TARGET_OPTION_TRANSLATE_TABLE |
1056 | int tott_idx; | |
1057 | ||
1058 | for (tott_idx = 0; | |
1059 | target_option_translations[tott_idx].option_found; | |
1060 | tott_idx++) | |
1061 | { | |
1062 | if (strcmp (target_option_translations[tott_idx].option_found, | |
1063 | argv[i]) == 0) | |
1064 | { | |
1065 | int spaces = 1; | |
1066 | const char *sp; | |
1067 | char *np; | |
1068 | ||
1069 | for (sp = target_option_translations[tott_idx].replacements; | |
1070 | *sp; sp++) | |
1071 | { | |
1072 | if (*sp == ' ') | |
1073 | spaces ++; | |
1074 | } | |
1075 | ||
1076 | newvsize += spaces * sizeof (const char *); | |
1077 | newv = (const char **) xrealloc (newv, newvsize); | |
1078 | ||
1079 | sp = target_option_translations[tott_idx].replacements; | |
47950139 | 1080 | np = xstrdup (sp); |
522355d9 | 1081 | |
1082 | while (1) | |
1083 | { | |
1084 | while (*np == ' ') | |
1085 | np++; | |
1086 | if (*np == 0) | |
1087 | break; | |
1088 | newv[newindex++] = np; | |
1089 | while (*np != ' ' && *np) | |
1090 | np++; | |
1091 | if (*np == 0) | |
1092 | break; | |
1093 | *np++ = 0; | |
1094 | } | |
1095 | ||
1096 | i ++; | |
1097 | break; | |
1098 | } | |
1099 | } | |
1100 | if (target_option_translations[tott_idx].option_found) | |
1101 | continue; | |
1102 | #endif | |
1103 | ||
62daf19f | 1104 | /* Translate -- options. */ |
1105 | if (argv[i][0] == '-' && argv[i][1] == '-') | |
1106 | { | |
274c11d8 | 1107 | size_t j; |
62daf19f | 1108 | /* Find a mapping that applies to this option. */ |
3098b2d3 | 1109 | for (j = 0; j < ARRAY_SIZE (option_map); j++) |
62daf19f | 1110 | { |
8a1f692f | 1111 | size_t optlen = strlen (option_map[j].name); |
1112 | size_t arglen = strlen (argv[i]); | |
1113 | size_t complen = arglen > optlen ? optlen : arglen; | |
e40d43cc | 1114 | const char *arginfo = option_map[j].arg_info; |
9ef4d1af | 1115 | |
1116 | if (arginfo == 0) | |
1117 | arginfo = ""; | |
873b55ec | 1118 | |
62daf19f | 1119 | if (!strncmp (argv[i], option_map[j].name, complen)) |
1120 | { | |
e40d43cc | 1121 | const char *arg = 0; |
62daf19f | 1122 | |
873b55ec | 1123 | if (arglen < optlen) |
1124 | { | |
274c11d8 | 1125 | size_t k; |
3098b2d3 | 1126 | for (k = j + 1; k < ARRAY_SIZE (option_map); k++) |
873b55ec | 1127 | if (strlen (option_map[k].name) >= arglen |
1128 | && !strncmp (argv[i], option_map[k].name, arglen)) | |
1129 | { | |
cb8bacb6 | 1130 | error ("ambiguous abbreviation %s", argv[i]); |
873b55ec | 1131 | break; |
1132 | } | |
1133 | ||
3098b2d3 | 1134 | if (k != ARRAY_SIZE (option_map)) |
873b55ec | 1135 | break; |
1136 | } | |
1137 | ||
1138 | if (arglen > optlen) | |
62daf19f | 1139 | { |
1140 | /* If the option has an argument, accept that. */ | |
1141 | if (argv[i][optlen] == '=') | |
1142 | arg = argv[i] + optlen + 1; | |
873b55ec | 1143 | |
1144 | /* If this mapping requires extra text at end of name, | |
62daf19f | 1145 | accept that as "argument". */ |
78dbff7c | 1146 | else if (strchr (arginfo, '*') != 0) |
62daf19f | 1147 | arg = argv[i] + optlen; |
873b55ec | 1148 | |
62daf19f | 1149 | /* Otherwise, extra text at end means mismatch. |
1150 | Try other mappings. */ | |
1151 | else | |
1152 | continue; | |
1153 | } | |
873b55ec | 1154 | |
78dbff7c | 1155 | else if (strchr (arginfo, '*') != 0) |
873b55ec | 1156 | { |
cb8bacb6 | 1157 | error ("incomplete `%s' option", option_map[j].name); |
873b55ec | 1158 | break; |
1159 | } | |
62daf19f | 1160 | |
1161 | /* Handle arguments. */ | |
78dbff7c | 1162 | if (strchr (arginfo, 'a') != 0) |
62daf19f | 1163 | { |
1164 | if (arg == 0) | |
1165 | { | |
1166 | if (i + 1 == argc) | |
873b55ec | 1167 | { |
cb8bacb6 | 1168 | error ("missing argument to `%s' option", |
873b55ec | 1169 | option_map[j].name); |
1170 | break; | |
1171 | } | |
1172 | ||
62daf19f | 1173 | arg = argv[++i]; |
1174 | } | |
1175 | } | |
78dbff7c | 1176 | else if (strchr (arginfo, '*') != 0) |
b9c6f437 | 1177 | ; |
78dbff7c | 1178 | else if (strchr (arginfo, 'o') == 0) |
62daf19f | 1179 | { |
1180 | if (arg != 0) | |
cb8bacb6 | 1181 | error ("extraneous argument to `%s' option", |
62daf19f | 1182 | option_map[j].name); |
1183 | arg = 0; | |
1184 | } | |
1185 | ||
1186 | /* Store the translation as one argv elt or as two. */ | |
78dbff7c | 1187 | if (arg != 0 && strchr (arginfo, 'j') != 0) |
3441e5dd | 1188 | newv[newindex++] = concat (option_map[j].equivalent, arg, |
4e2023c8 | 1189 | NULL); |
62daf19f | 1190 | else if (arg != 0) |
1191 | { | |
1192 | newv[newindex++] = option_map[j].equivalent; | |
1193 | newv[newindex++] = arg; | |
1194 | } | |
1195 | else | |
1196 | newv[newindex++] = option_map[j].equivalent; | |
1197 | ||
1198 | break; | |
1199 | } | |
1200 | } | |
1201 | i++; | |
1202 | } | |
873b55ec | 1203 | |
62daf19f | 1204 | /* Handle old-fashioned options--just copy them through, |
1205 | with their arguments. */ | |
1206 | else if (argv[i][0] == '-') | |
1207 | { | |
e40d43cc | 1208 | const char *p = argv[i] + 1; |
62daf19f | 1209 | int c = *p; |
1210 | int nskip = 1; | |
1211 | ||
1212 | if (SWITCH_TAKES_ARG (c) > (p[1] != 0)) | |
1213 | nskip += SWITCH_TAKES_ARG (c) - (p[1] != 0); | |
1214 | else if (WORD_SWITCH_TAKES_ARG (p)) | |
1215 | nskip += WORD_SWITCH_TAKES_ARG (p); | |
0d52bda0 | 1216 | else if ((c == 'B' || c == 'b' || c == 'x') |
f39cf4ce | 1217 | && p[1] == 0) |
1218 | nskip += 1; | |
1219 | else if (! strcmp (p, "Xlinker")) | |
1220 | nskip += 1; | |
62daf19f | 1221 | |
9a1a1063 | 1222 | /* Watch out for an option at the end of the command line that |
1223 | is missing arguments, and avoid skipping past the end of the | |
1224 | command line. */ | |
1225 | if (nskip + i > argc) | |
1226 | nskip = argc - i; | |
1227 | ||
62daf19f | 1228 | while (nskip > 0) |
1229 | { | |
1230 | newv[newindex++] = argv[i++]; | |
1231 | nskip--; | |
1232 | } | |
1233 | } | |
1234 | else | |
1235 | /* Ordinary operands, or +e options. */ | |
1236 | newv[newindex++] = argv[i++]; | |
1237 | } | |
1238 | ||
1239 | newv[newindex] = 0; | |
1240 | ||
1241 | *argvp = newv; | |
1242 | *argcp = newindex; | |
1243 | } | |
1244 | \f | |
d7a9644e | 1245 | static char * |
1246 | skip_whitespace (p) | |
1247 | char *p; | |
1248 | { | |
1249 | while (1) | |
1250 | { | |
1251 | /* A fully-blank line is a delimiter in the SPEC file and shouldn't | |
1252 | be considered whitespace. */ | |
1253 | if (p[0] == '\n' && p[1] == '\n' && p[2] == '\n') | |
1254 | return p + 1; | |
1255 | else if (*p == '\n' || *p == ' ' || *p == '\t') | |
1256 | p++; | |
1257 | else if (*p == '#') | |
1258 | { | |
026f2c7a | 1259 | while (*p != '\n') |
1260 | p++; | |
d7a9644e | 1261 | p++; |
1262 | } | |
1263 | else | |
1264 | break; | |
1265 | } | |
1266 | ||
1267 | return p; | |
1268 | } | |
bfb9bc39 | 1269 | /* Structures to keep track of prefixes to try when looking for files. */ |
1270 | ||
1271 | struct prefix_list | |
1272 | { | |
afe739a7 | 1273 | const char *prefix; /* String to prepend to the path. */ |
bfb9bc39 | 1274 | struct prefix_list *next; /* Next in linked list. */ |
1275 | int require_machine_suffix; /* Don't use without machine_suffix. */ | |
1276 | /* 2 means try both machine_suffix and just_machine_suffix. */ | |
1277 | int *used_flag_ptr; /* 1 if a file was found with this prefix. */ | |
c954ff02 | 1278 | int priority; /* Sort key - priority within list. */ |
1279 | int os_multilib; /* 1 if OS multilib scheme should be used, | |
1280 | 0 for GCC multilib scheme. */ | |
bfb9bc39 | 1281 | }; |
1282 | ||
1283 | struct path_prefix | |
1284 | { | |
1285 | struct prefix_list *plist; /* List of prefixes to try */ | |
1286 | int max_len; /* Max length of a prefix in PLIST */ | |
1287 | const char *name; /* Name of this list (used in config stuff) */ | |
1288 | }; | |
1289 | ||
1290 | /* List of prefixes to try when looking for executables. */ | |
1291 | ||
1292 | static struct path_prefix exec_prefixes = { 0, 0, "exec" }; | |
1293 | ||
1294 | /* List of prefixes to try when looking for startup (crt0) files. */ | |
1295 | ||
1296 | static struct path_prefix startfile_prefixes = { 0, 0, "startfile" }; | |
1297 | ||
1298 | /* List of prefixes to try when looking for include files. */ | |
1299 | ||
1300 | static struct path_prefix include_prefixes = { 0, 0, "include" }; | |
1301 | ||
1302 | /* Suffix to attach to directories searched for commands. | |
1303 | This looks like `MACHINE/VERSION/'. */ | |
1304 | ||
1305 | static const char *machine_suffix = 0; | |
1306 | ||
1307 | /* Suffix to attach to directories searched for commands. | |
1308 | This is just `MACHINE/'. */ | |
1309 | ||
1310 | static const char *just_machine_suffix = 0; | |
1311 | ||
1312 | /* Adjusted value of GCC_EXEC_PREFIX envvar. */ | |
1313 | ||
1314 | static const char *gcc_exec_prefix; | |
1315 | ||
1316 | /* Default prefixes to attach to command names. */ | |
1317 | ||
1318 | #ifdef CROSS_COMPILE /* Don't use these prefixes for a cross compiler. */ | |
1319 | #undef MD_EXEC_PREFIX | |
1320 | #undef MD_STARTFILE_PREFIX | |
1321 | #undef MD_STARTFILE_PREFIX_1 | |
1322 | #endif | |
1323 | ||
1324 | /* If no prefixes defined, use the null string, which will disable them. */ | |
1325 | #ifndef MD_EXEC_PREFIX | |
1326 | #define MD_EXEC_PREFIX "" | |
1327 | #endif | |
1328 | #ifndef MD_STARTFILE_PREFIX | |
1329 | #define MD_STARTFILE_PREFIX "" | |
1330 | #endif | |
1331 | #ifndef MD_STARTFILE_PREFIX_1 | |
1332 | #define MD_STARTFILE_PREFIX_1 "" | |
1333 | #endif | |
1334 | ||
1335 | /* Supply defaults for the standard prefixes. */ | |
1336 | ||
1337 | #ifndef STANDARD_EXEC_PREFIX | |
1338 | #define STANDARD_EXEC_PREFIX "/usr/local/lib/gcc-lib/" | |
1339 | #endif | |
1340 | #ifndef STANDARD_STARTFILE_PREFIX | |
1341 | #define STANDARD_STARTFILE_PREFIX "/usr/local/lib/" | |
1342 | #endif | |
1343 | #ifndef TOOLDIR_BASE_PREFIX | |
1344 | #define TOOLDIR_BASE_PREFIX "/usr/local/" | |
1345 | #endif | |
1346 | #ifndef STANDARD_BINDIR_PREFIX | |
1347 | #define STANDARD_BINDIR_PREFIX "/usr/local/bin" | |
1348 | #endif | |
1349 | ||
35823b64 | 1350 | static const char *const standard_exec_prefix = STANDARD_EXEC_PREFIX; |
1351 | static const char *const standard_exec_prefix_1 = "/usr/lib/gcc/"; | |
bfb9bc39 | 1352 | static const char *md_exec_prefix = MD_EXEC_PREFIX; |
1353 | ||
1354 | static const char *md_startfile_prefix = MD_STARTFILE_PREFIX; | |
1355 | static const char *md_startfile_prefix_1 = MD_STARTFILE_PREFIX_1; | |
35823b64 | 1356 | static const char *const standard_startfile_prefix = STANDARD_STARTFILE_PREFIX; |
1357 | static const char *const standard_startfile_prefix_1 = "/lib/"; | |
1358 | static const char *const standard_startfile_prefix_2 = "/usr/lib/"; | |
bfb9bc39 | 1359 | |
35823b64 | 1360 | static const char *const tooldir_base_prefix = TOOLDIR_BASE_PREFIX; |
bfb9bc39 | 1361 | static const char *tooldir_prefix; |
1362 | ||
35823b64 | 1363 | static const char *const standard_bindir_prefix = STANDARD_BINDIR_PREFIX; |
bfb9bc39 | 1364 | |
1365 | /* Subdirectory to use for locating libraries. Set by | |
1366 | set_multilib_dir based on the compilation options. */ | |
1367 | ||
1368 | static const char *multilib_dir; | |
c954ff02 | 1369 | |
1370 | /* Subdirectory to use for locating libraries in OS conventions. Set by | |
1371 | set_multilib_dir based on the compilation options. */ | |
1372 | ||
1373 | static const char *multilib_os_dir; | |
d7a9644e | 1374 | \f |
a92771b8 | 1375 | /* Structure to keep track of the specs that have been defined so far. |
50bcc52e | 1376 | These are accessed using %(specname) or %[specname] in a compiler |
1377 | or link spec. */ | |
d7a9644e | 1378 | |
1379 | struct spec_list | |
1380 | { | |
988c0ffe | 1381 | /* The following 2 fields must be first */ |
1382 | /* to allow EXTRA_SPECS to be initialized */ | |
e772a198 | 1383 | const char *name; /* name of the spec. */ |
1384 | const char *ptr; /* available ptr if no static pointer */ | |
988c0ffe | 1385 | |
1386 | /* The following fields are not initialized */ | |
1387 | /* by EXTRA_SPECS */ | |
e772a198 | 1388 | const char **ptr_spec; /* pointer to the spec itself. */ |
988c0ffe | 1389 | struct spec_list *next; /* Next spec in linked list. */ |
1390 | int name_len; /* length of the name */ | |
1391 | int alloc_p; /* whether string was allocated */ | |
d7a9644e | 1392 | }; |
1393 | ||
988c0ffe | 1394 | #define INIT_STATIC_SPEC(NAME,PTR) \ |
d946ea19 | 1395 | { NAME, NULL, PTR, (struct spec_list *) 0, sizeof (NAME) - 1, 0 } |
988c0ffe | 1396 | |
d4ea3b1f | 1397 | /* List of statically defined specs. */ |
1398 | static struct spec_list static_specs[] = | |
1399 | { | |
988c0ffe | 1400 | INIT_STATIC_SPEC ("asm", &asm_spec), |
1a6f9700 | 1401 | INIT_STATIC_SPEC ("asm_debug", &asm_debug), |
988c0ffe | 1402 | INIT_STATIC_SPEC ("asm_final", &asm_final_spec), |
1cf79a1a | 1403 | INIT_STATIC_SPEC ("asm_options", &asm_options), |
99b02af1 | 1404 | INIT_STATIC_SPEC ("invoke_as", &invoke_as), |
988c0ffe | 1405 | INIT_STATIC_SPEC ("cpp", &cpp_spec), |
1cf79a1a | 1406 | INIT_STATIC_SPEC ("cpp_options", &cpp_options), |
4702fc25 | 1407 | INIT_STATIC_SPEC ("cpp_debug_options", &cpp_debug_options), |
a182c763 | 1408 | INIT_STATIC_SPEC ("cpp_unique_options", &cpp_unique_options), |
1cf79a1a | 1409 | INIT_STATIC_SPEC ("trad_capable_cpp", &trad_capable_cpp), |
988c0ffe | 1410 | INIT_STATIC_SPEC ("cc1", &cc1_spec), |
1cf79a1a | 1411 | INIT_STATIC_SPEC ("cc1_options", &cc1_options), |
988c0ffe | 1412 | INIT_STATIC_SPEC ("cc1plus", &cc1plus_spec), |
da98d114 | 1413 | INIT_STATIC_SPEC ("link_gcc_c_sequence", &link_gcc_c_sequence_spec), |
988c0ffe | 1414 | INIT_STATIC_SPEC ("endfile", &endfile_spec), |
1415 | INIT_STATIC_SPEC ("link", &link_spec), | |
1416 | INIT_STATIC_SPEC ("lib", &lib_spec), | |
1417 | INIT_STATIC_SPEC ("libgcc", &libgcc_spec), | |
1418 | INIT_STATIC_SPEC ("startfile", &startfile_spec), | |
1419 | INIT_STATIC_SPEC ("switches_need_spaces", &switches_need_spaces), | |
988c0ffe | 1420 | INIT_STATIC_SPEC ("predefines", &cpp_predefines), |
1421 | INIT_STATIC_SPEC ("cross_compile", &cross_compile), | |
1422 | INIT_STATIC_SPEC ("version", &compiler_version), | |
1423 | INIT_STATIC_SPEC ("multilib", &multilib_select), | |
1424 | INIT_STATIC_SPEC ("multilib_defaults", &multilib_defaults), | |
1425 | INIT_STATIC_SPEC ("multilib_extra", &multilib_extra), | |
1426 | INIT_STATIC_SPEC ("multilib_matches", &multilib_matches), | |
54518c3b | 1427 | INIT_STATIC_SPEC ("multilib_exclusions", &multilib_exclusions), |
c954ff02 | 1428 | INIT_STATIC_SPEC ("multilib_options", &multilib_options), |
0c787992 | 1429 | INIT_STATIC_SPEC ("linker", &linker_name_spec), |
1cf79a1a | 1430 | INIT_STATIC_SPEC ("link_libgcc", &link_libgcc_spec), |
bfb9bc39 | 1431 | INIT_STATIC_SPEC ("md_exec_prefix", &md_exec_prefix), |
1432 | INIT_STATIC_SPEC ("md_startfile_prefix", &md_startfile_prefix), | |
1433 | INIT_STATIC_SPEC ("md_startfile_prefix_1", &md_startfile_prefix_1), | |
4ae4e5e8 | 1434 | INIT_STATIC_SPEC ("startfile_prefix_spec", &startfile_prefix_spec), |
988c0ffe | 1435 | }; |
1436 | ||
1437 | #ifdef EXTRA_SPECS /* additional specs needed */ | |
6b40eba4 | 1438 | /* Structure to keep track of just the first two args of a spec_list. |
d4ea3b1f | 1439 | That is all that the EXTRA_SPECS macro gives us. */ |
6b40eba4 | 1440 | struct spec_list_1 |
1441 | { | |
e99c3a1d | 1442 | const char *const name; |
1443 | const char *const ptr; | |
6b40eba4 | 1444 | }; |
1445 | ||
e99c3a1d | 1446 | static const struct spec_list_1 extra_specs_1[] = { EXTRA_SPECS }; |
026f2c7a | 1447 | static struct spec_list *extra_specs = (struct spec_list *) 0; |
988c0ffe | 1448 | #endif |
1449 | ||
1450 | /* List of dynamically allocates specs that have been defined so far. */ | |
1451 | ||
2c815aff | 1452 | static struct spec_list *specs = (struct spec_list *) 0; |
988c0ffe | 1453 | \f |
c21b3276 | 1454 | /* List of static spec functions. */ |
1455 | ||
1456 | static const struct spec_function static_spec_functions[] = | |
1457 | { | |
1458 | { "if-exists", if_exists_spec_function }, | |
1459 | { 0, 0 } | |
1460 | }; | |
1461 | ||
1462 | static int processing_spec_function; | |
1463 | \f | |
5cb4c868 | 1464 | /* Add appropriate libgcc specs to OBSTACK, taking into account |
1465 | various permutations of -shared-libgcc, -shared, and such. */ | |
1466 | ||
b51d5c7c | 1467 | #ifdef ENABLE_SHARED_LIBGCC |
5cb4c868 | 1468 | static void |
0d6378a9 | 1469 | init_gcc_specs (obstack, shared_name, static_name, eh_name) |
5cb4c868 | 1470 | struct obstack *obstack; |
1471 | const char *shared_name; | |
1472 | const char *static_name; | |
0d6378a9 | 1473 | const char *eh_name; |
5cb4c868 | 1474 | { |
48285a3c | 1475 | char *buf; |
1476 | ||
7e96c74a | 1477 | buf = concat ("%{static|static-libgcc:", static_name, " ", eh_name, |
1478 | "}%{!static:%{!static-libgcc:", | |
1479 | "%{!shared:%{!shared-libgcc:", static_name, " ", | |
48285a3c | 1480 | eh_name, "}%{shared-libgcc:", shared_name, " ", |
7e96c74a | 1481 | static_name, "}}%{shared:", |
0d6378a9 | 1482 | #ifdef LINK_EH_SPEC |
48285a3c | 1483 | "%{shared-libgcc:", shared_name, |
1484 | "}%{!shared-libgcc:", static_name, "}", | |
0d6378a9 | 1485 | #else |
48285a3c | 1486 | shared_name, |
0d6378a9 | 1487 | #endif |
21eaebc3 | 1488 | "}}}", NULL); |
48285a3c | 1489 | |
1490 | obstack_grow (obstack, buf, strlen (buf)); | |
1491 | free (buf); | |
5cb4c868 | 1492 | } |
b51d5c7c | 1493 | #endif /* ENABLE_SHARED_LIBGCC */ |
5cb4c868 | 1494 | |
988c0ffe | 1495 | /* Initialize the specs lookup routines. */ |
1496 | ||
1497 | static void | |
810309ce | 1498 | init_spec () |
988c0ffe | 1499 | { |
2c815aff | 1500 | struct spec_list *next = (struct spec_list *) 0; |
1501 | struct spec_list *sl = (struct spec_list *) 0; | |
988c0ffe | 1502 | int i; |
1503 | ||
1504 | if (specs) | |
d4ea3b1f | 1505 | return; /* Already initialized. */ |
988c0ffe | 1506 | |
4582d741 | 1507 | if (verbose_flag) |
f4ec69cb | 1508 | notice ("Using built-in specs.\n"); |
4582d741 | 1509 | |
988c0ffe | 1510 | #ifdef EXTRA_SPECS |
6b40eba4 | 1511 | extra_specs = (struct spec_list *) |
3098b2d3 | 1512 | xcalloc (sizeof (struct spec_list), ARRAY_SIZE (extra_specs_1)); |
2c815aff | 1513 | |
3098b2d3 | 1514 | for (i = ARRAY_SIZE (extra_specs_1) - 1; i >= 0; i--) |
810309ce | 1515 | { |
1516 | sl = &extra_specs[i]; | |
6b40eba4 | 1517 | sl->name = extra_specs_1[i].name; |
1518 | sl->ptr = extra_specs_1[i].ptr; | |
810309ce | 1519 | sl->next = next; |
1520 | sl->name_len = strlen (sl->name); | |
1521 | sl->ptr_spec = &sl->ptr; | |
1522 | next = sl; | |
1523 | } | |
988c0ffe | 1524 | #endif |
1525 | ||
a4de3479 | 1526 | /* Initialize here, not in definition. The IRIX 6 O32 cc sometimes chokes |
1527 | on ?: in file-scope variable initializations. */ | |
1528 | asm_debug = ASM_DEBUG_SPEC; | |
1529 | ||
3098b2d3 | 1530 | for (i = ARRAY_SIZE (static_specs) - 1; i >= 0; i--) |
988c0ffe | 1531 | { |
1532 | sl = &static_specs[i]; | |
1533 | sl->next = next; | |
1534 | next = sl; | |
1535 | } | |
1536 | ||
43198b29 | 1537 | #ifdef ENABLE_SHARED_LIBGCC |
1538 | /* ??? If neither -shared-libgcc nor --static-libgcc was | |
1539 | seen, then we should be making an educated guess. Some proposed | |
1540 | heuristics for ELF include: | |
1541 | ||
1542 | (1) If "-Wl,--export-dynamic", then it's a fair bet that the | |
1543 | program will be doing dynamic loading, which will likely | |
1544 | need the shared libgcc. | |
1545 | ||
1546 | (2) If "-ldl", then it's also a fair bet that we're doing | |
1547 | dynamic loading. | |
1548 | ||
1549 | (3) For each ET_DYN we're linking against (either through -lfoo | |
1550 | or /some/path/foo.so), check to see whether it or one of | |
424da949 | 1551 | its dependencies depends on a shared libgcc. |
43198b29 | 1552 | |
1553 | (4) If "-shared" | |
1554 | ||
1555 | If the runtime is fixed to look for program headers instead | |
1556 | of calling __register_frame_info at all, for each object, | |
1557 | use the shared libgcc if any EH symbol referenced. | |
1558 | ||
1559 | If crtstuff is fixed to not invoke __register_frame_info | |
1560 | automatically, for each object, use the shared libgcc if | |
1561 | any non-empty unwind section found. | |
1562 | ||
1563 | Doing any of this probably requires invoking an external program to | |
1564 | do the actual object file scanning. */ | |
1565 | { | |
1566 | const char *p = libgcc_spec; | |
1567 | int in_sep = 1; | |
3cfec666 | 1568 | |
6fba09a6 | 1569 | /* Transform the extant libgcc_spec into one that uses the shared libgcc |
43198b29 | 1570 | when given the proper command line arguments. */ |
1571 | while (*p) | |
1572 | { | |
3cfec666 | 1573 | if (in_sep && *p == '-' && strncmp (p, "-lgcc", 5) == 0) |
43198b29 | 1574 | { |
5cb4c868 | 1575 | init_gcc_specs (&obstack, |
43198b29 | 1576 | #ifdef NO_SHARED_LIBGCC_MULTILIB |
5cb4c868 | 1577 | "-lgcc_s" |
43198b29 | 1578 | #else |
5cb4c868 | 1579 | "-lgcc_s%M" |
43198b29 | 1580 | #endif |
5cb4c868 | 1581 | , |
0d6378a9 | 1582 | "-lgcc", |
1583 | "-lgcc_eh"); | |
21eaebc3 | 1584 | p += 5; |
43198b29 | 1585 | in_sep = 0; |
1586 | } | |
21eaebc3 | 1587 | else if (in_sep && *p == 'l' && strncmp (p, "libgcc.a%s", 10) == 0) |
43198b29 | 1588 | { |
1589 | /* Ug. We don't know shared library extensions. Hope that | |
1590 | systems that use this form don't do shared libraries. */ | |
5cb4c868 | 1591 | init_gcc_specs (&obstack, |
43198b29 | 1592 | #ifdef NO_SHARED_LIBGCC_MULTILIB |
5cb4c868 | 1593 | "-lgcc_s" |
43198b29 | 1594 | #else |
5cb4c868 | 1595 | "-lgcc_s%M" |
43198b29 | 1596 | #endif |
5cb4c868 | 1597 | , |
0d6378a9 | 1598 | "libgcc.a%s", |
1599 | "libgcc_eh.a%s"); | |
21eaebc3 | 1600 | p += 10; |
43198b29 | 1601 | in_sep = 0; |
1602 | } | |
1603 | else | |
1604 | { | |
1605 | obstack_1grow (&obstack, *p); | |
1606 | in_sep = (*p == ' '); | |
1607 | p += 1; | |
1608 | } | |
1609 | } | |
1610 | ||
1611 | obstack_1grow (&obstack, '\0'); | |
1612 | libgcc_spec = obstack_finish (&obstack); | |
1613 | } | |
1614 | #endif | |
c3f311c4 | 1615 | #ifdef USE_AS_TRADITIONAL_FORMAT |
1616 | /* Prepend "--traditional-format" to whatever asm_spec we had before. */ | |
1617 | { | |
e99c3a1d | 1618 | static const char tf[] = "--traditional-format "; |
c3f311c4 | 1619 | obstack_grow (&obstack, tf, sizeof(tf) - 1); |
1620 | obstack_grow0 (&obstack, asm_spec, strlen (asm_spec)); | |
1621 | asm_spec = obstack_finish (&obstack); | |
1622 | } | |
1623 | #endif | |
0d6378a9 | 1624 | #ifdef LINK_EH_SPEC |
1625 | /* Prepend LINK_EH_SPEC to whatever link_spec we had before. */ | |
1626 | obstack_grow (&obstack, LINK_EH_SPEC, sizeof(LINK_EH_SPEC) - 1); | |
1627 | obstack_grow0 (&obstack, link_spec, strlen (link_spec)); | |
1628 | link_spec = obstack_finish (&obstack); | |
1629 | #endif | |
43198b29 | 1630 | |
988c0ffe | 1631 | specs = sl; |
1632 | } | |
d7a9644e | 1633 | \f |
1634 | /* Change the value of spec NAME to SPEC. If SPEC is empty, then the spec is | |
1635 | removed; If the spec starts with a + then SPEC is added to the end of the | |
a92771b8 | 1636 | current spec. */ |
d7a9644e | 1637 | |
1638 | static void | |
1639 | set_spec (name, spec) | |
e40d43cc | 1640 | const char *name; |
1641 | const char *spec; | |
d7a9644e | 1642 | { |
1643 | struct spec_list *sl; | |
e772a198 | 1644 | const char *old_spec; |
988c0ffe | 1645 | int name_len = strlen (name); |
1646 | int i; | |
1647 | ||
d4ea3b1f | 1648 | /* If this is the first call, initialize the statically allocated specs. */ |
4582d741 | 1649 | if (!specs) |
1650 | { | |
2c815aff | 1651 | struct spec_list *next = (struct spec_list *) 0; |
3098b2d3 | 1652 | for (i = ARRAY_SIZE (static_specs) - 1; i >= 0; i--) |
4582d741 | 1653 | { |
1654 | sl = &static_specs[i]; | |
1655 | sl->next = next; | |
1656 | next = sl; | |
1657 | } | |
1658 | specs = sl; | |
1659 | } | |
1660 | ||
d4ea3b1f | 1661 | /* See if the spec already exists. */ |
d7a9644e | 1662 | for (sl = specs; sl; sl = sl->next) |
988c0ffe | 1663 | if (name_len == sl->name_len && !strcmp (sl->name, name)) |
d7a9644e | 1664 | break; |
1665 | ||
1666 | if (!sl) | |
1667 | { | |
d4ea3b1f | 1668 | /* Not found - make it. */ |
d7a9644e | 1669 | sl = (struct spec_list *) xmalloc (sizeof (struct spec_list)); |
713829e9 | 1670 | sl->name = xstrdup (name); |
988c0ffe | 1671 | sl->name_len = name_len; |
1672 | sl->ptr_spec = &sl->ptr; | |
1673 | sl->alloc_p = 0; | |
1674 | *(sl->ptr_spec) = ""; | |
d7a9644e | 1675 | sl->next = specs; |
1676 | specs = sl; | |
1677 | } | |
1678 | ||
988c0ffe | 1679 | old_spec = *(sl->ptr_spec); |
274c11d8 | 1680 | *(sl->ptr_spec) = ((spec[0] == '+' && ISSPACE ((unsigned char)spec[1])) |
4e2023c8 | 1681 | ? concat (old_spec, spec + 1, NULL) |
713829e9 | 1682 | : xstrdup (spec)); |
8b351d3c | 1683 | |
4582d741 | 1684 | #ifdef DEBUG_SPECS |
1685 | if (verbose_flag) | |
be2828ce | 1686 | notice ("Setting spec %s to '%s'\n\n", name, *(sl->ptr_spec)); |
4582d741 | 1687 | #endif |
1688 | ||
d4ea3b1f | 1689 | /* Free the old spec. */ |
988c0ffe | 1690 | if (old_spec && sl->alloc_p) |
e772a198 | 1691 | free ((PTR) old_spec); |
988c0ffe | 1692 | |
1693 | sl->alloc_p = 1; | |
d7a9644e | 1694 | } |
1695 | \f | |
1696 | /* Accumulate a command (program name and args), and run it. */ | |
1697 | ||
1698 | /* Vector of pointers to arguments in the current line of specifications. */ | |
1699 | ||
2508fdc3 | 1700 | static const char **argbuf; |
d7a9644e | 1701 | |
1702 | /* Number of elements allocated in argbuf. */ | |
1703 | ||
1704 | static int argbuf_length; | |
1705 | ||
1706 | /* Number of elements in argbuf currently in use (containing args). */ | |
1707 | ||
1708 | static int argbuf_index; | |
1709 | ||
655a58fa | 1710 | /* This is the list of suffixes and codes (%g/%u/%U/%j) and the associated |
1711 | temp file. If the HOST_BIT_BUCKET is used for %j, no entry is made for | |
1712 | it here. */ | |
4576c73f | 1713 | |
1714 | static struct temp_name { | |
e40d43cc | 1715 | const char *suffix; /* suffix associated with the code. */ |
4576c73f | 1716 | int length; /* strlen (suffix). */ |
1717 | int unique; /* Indicates whether %g or %u/%U was used. */ | |
e40d43cc | 1718 | const char *filename; /* associated filename. */ |
4576c73f | 1719 | int filename_length; /* strlen (filename). */ |
1720 | struct temp_name *next; | |
1721 | } *temp_names; | |
1526a87c | 1722 | |
d7a9644e | 1723 | /* Number of commands executed so far. */ |
1724 | ||
1725 | static int execution_count; | |
1726 | ||
68360609 | 1727 | /* Number of commands that exited with a signal. */ |
1728 | ||
1729 | static int signal_count; | |
1730 | ||
d7a9644e | 1731 | /* Name with which this program was invoked. */ |
1732 | ||
e40d43cc | 1733 | static const char *programname; |
d7a9644e | 1734 | \f |
c21b3276 | 1735 | /* Allocate the argument vector. */ |
1736 | ||
1737 | static void | |
1738 | alloc_args () | |
1739 | { | |
1740 | argbuf_length = 10; | |
1741 | argbuf = (const char **) xmalloc (argbuf_length * sizeof (const char *)); | |
1742 | } | |
1743 | ||
d7a9644e | 1744 | /* Clear out the vector of arguments (after a command is executed). */ |
1745 | ||
1746 | static void | |
1747 | clear_args () | |
1748 | { | |
1749 | argbuf_index = 0; | |
1750 | } | |
1751 | ||
1752 | /* Add one argument to the vector at the end. | |
1753 | This is done when a space is seen or at the end of the line. | |
1754 | If DELETE_ALWAYS is nonzero, the arg is a filename | |
1755 | and the file should be deleted eventually. | |
1756 | If DELETE_FAILURE is nonzero, the arg is a filename | |
1757 | and the file should be deleted if this compilation fails. */ | |
1758 | ||
1759 | static void | |
1760 | store_arg (arg, delete_always, delete_failure) | |
2508fdc3 | 1761 | const char *arg; |
d7a9644e | 1762 | int delete_always, delete_failure; |
1763 | { | |
1764 | if (argbuf_index + 1 == argbuf_length) | |
0dbd1c74 | 1765 | argbuf |
2508fdc3 | 1766 | = (const char **) xrealloc (argbuf, |
1767 | (argbuf_length *= 2) * sizeof (const char *)); | |
d7a9644e | 1768 | |
1769 | argbuf[argbuf_index++] = arg; | |
1770 | argbuf[argbuf_index] = 0; | |
1771 | ||
1772 | if (delete_always || delete_failure) | |
1773 | record_temp_file (arg, delete_always, delete_failure); | |
1774 | } | |
1775 | \f | |
424da949 | 1776 | /* Load specs from a file name named FILENAME, replacing occurrences of |
2c815aff | 1777 | various different types of line-endings, \r\n, \n\r and just \r, with |
bee69028 | 1778 | a single \n. */ |
4582d741 | 1779 | |
026f2c7a | 1780 | static char * |
bee69028 | 1781 | load_specs (filename) |
e40d43cc | 1782 | const char *filename; |
4582d741 | 1783 | { |
1784 | int desc; | |
1785 | int readlen; | |
1786 | struct stat statbuf; | |
1787 | char *buffer; | |
bee69028 | 1788 | char *buffer_p; |
1789 | char *specs; | |
1790 | char *specs_p; | |
4582d741 | 1791 | |
1792 | if (verbose_flag) | |
be2828ce | 1793 | notice ("Reading specs from %s\n", filename); |
4582d741 | 1794 | |
1795 | /* Open and stat the file. */ | |
1796 | desc = open (filename, O_RDONLY, 0); | |
1797 | if (desc < 0) | |
1798 | pfatal_with_name (filename); | |
1799 | if (stat (filename, &statbuf) < 0) | |
1800 | pfatal_with_name (filename); | |
1801 | ||
1802 | /* Read contents of file into BUFFER. */ | |
1803 | buffer = xmalloc ((unsigned) statbuf.st_size + 1); | |
1804 | readlen = read (desc, buffer, (unsigned) statbuf.st_size); | |
1805 | if (readlen < 0) | |
1806 | pfatal_with_name (filename); | |
1807 | buffer[readlen] = 0; | |
1808 | close (desc); | |
1809 | ||
bee69028 | 1810 | specs = xmalloc (readlen + 1); |
1811 | specs_p = specs; | |
1812 | for (buffer_p = buffer; buffer_p && *buffer_p; buffer_p++) | |
1813 | { | |
1814 | int skip = 0; | |
1815 | char c = *buffer_p; | |
1816 | if (c == '\r') | |
026f2c7a | 1817 | { |
1818 | if (buffer_p > buffer && *(buffer_p - 1) == '\n') /* \n\r */ | |
bee69028 | 1819 | skip = 1; |
026f2c7a | 1820 | else if (*(buffer_p + 1) == '\n') /* \r\n */ |
bee69028 | 1821 | skip = 1; |
1822 | else /* \r */ | |
1823 | c = '\n'; | |
1824 | } | |
1825 | if (! skip) | |
1826 | *specs_p++ = c; | |
1827 | } | |
1828 | *specs_p = '\0'; | |
1829 | ||
1830 | free (buffer); | |
1831 | return (specs); | |
1832 | } | |
1833 | ||
1834 | /* Read compilation specs from a file named FILENAME, | |
1835 | replacing the default ones. | |
1836 | ||
1837 | A suffix which starts with `*' is a definition for | |
1838 | one of the machine-specific sub-specs. The "suffix" should be | |
537c4bc6 | 1839 | *asm, *cc1, *cpp, *link, *startfile, etc. |
bee69028 | 1840 | The corresponding spec is stored in asm_spec, etc., |
1841 | rather than in the `compilers' vector. | |
1842 | ||
1843 | Anything invalid in the file is a fatal error. */ | |
1844 | ||
1845 | static void | |
1846 | read_specs (filename, main_p) | |
1847 | const char *filename; | |
1848 | int main_p; | |
1849 | { | |
1850 | char *buffer; | |
19cb6b50 | 1851 | char *p; |
bee69028 | 1852 | |
1853 | buffer = load_specs (filename); | |
1854 | ||
4582d741 | 1855 | /* Scan BUFFER for specs, putting them in the vector. */ |
1856 | p = buffer; | |
1857 | while (1) | |
1858 | { | |
1859 | char *suffix; | |
1860 | char *spec; | |
1861 | char *in, *out, *p1, *p2, *p3; | |
1862 | ||
1863 | /* Advance P in BUFFER to the next nonblank nocomment line. */ | |
1864 | p = skip_whitespace (p); | |
1865 | if (*p == 0) | |
1866 | break; | |
1867 | ||
1868 | /* Is this a special command that starts with '%'? */ | |
1869 | /* Don't allow this for the main specs file, since it would | |
1870 | encourage people to overwrite it. */ | |
1871 | if (*p == '%' && !main_p) | |
1872 | { | |
1873 | p1 = p; | |
0dbd1c74 | 1874 | while (*p && *p != '\n') |
1875 | p++; | |
1876 | ||
026f2c7a | 1877 | /* Skip '\n'. */ |
1878 | p++; | |
4582d741 | 1879 | |
026f2c7a | 1880 | if (!strncmp (p1, "%include", sizeof ("%include") - 1) |
0dbd1c74 | 1881 | && (p1[sizeof "%include" - 1] == ' ' |
1882 | || p1[sizeof "%include" - 1] == '\t')) | |
4582d741 | 1883 | { |
1884 | char *new_filename; | |
1885 | ||
1886 | p1 += sizeof ("%include"); | |
0dbd1c74 | 1887 | while (*p1 == ' ' || *p1 == '\t') |
1888 | p1++; | |
4582d741 | 1889 | |
1890 | if (*p1++ != '<' || p[-2] != '>') | |
9d4072d8 | 1891 | fatal ("specs %%include syntax malformed after %ld characters", |
1892 | (long) (p1 - buffer + 1)); | |
4582d741 | 1893 | |
1894 | p[-2] = '\0'; | |
c954ff02 | 1895 | new_filename = find_a_file (&startfile_prefixes, p1, R_OK, 0); |
4582d741 | 1896 | read_specs (new_filename ? new_filename : p1, FALSE); |
1897 | continue; | |
1898 | } | |
0dbd1c74 | 1899 | else if (!strncmp (p1, "%include_noerr", sizeof "%include_noerr" - 1) |
1900 | && (p1[sizeof "%include_noerr" - 1] == ' ' | |
1901 | || p1[sizeof "%include_noerr" - 1] == '\t')) | |
4582d741 | 1902 | { |
1903 | char *new_filename; | |
1904 | ||
0dbd1c74 | 1905 | p1 += sizeof "%include_noerr"; |
026f2c7a | 1906 | while (*p1 == ' ' || *p1 == '\t') |
1907 | p1++; | |
4582d741 | 1908 | |
1909 | if (*p1++ != '<' || p[-2] != '>') | |
9d4072d8 | 1910 | fatal ("specs %%include syntax malformed after %ld characters", |
1911 | (long) (p1 - buffer + 1)); | |
4582d741 | 1912 | |
1913 | p[-2] = '\0'; | |
c954ff02 | 1914 | new_filename = find_a_file (&startfile_prefixes, p1, R_OK, 0); |
4582d741 | 1915 | if (new_filename) |
1916 | read_specs (new_filename, FALSE); | |
1917 | else if (verbose_flag) | |
68435912 | 1918 | notice ("could not find specs file %s\n", p1); |
4582d741 | 1919 | continue; |
1920 | } | |
0dbd1c74 | 1921 | else if (!strncmp (p1, "%rename", sizeof "%rename" - 1) |
1922 | && (p1[sizeof "%rename" - 1] == ' ' | |
1923 | || p1[sizeof "%rename" - 1] == '\t')) | |
4582d741 | 1924 | { |
1925 | int name_len; | |
1926 | struct spec_list *sl; | |
1686d9b4 | 1927 | struct spec_list *newsl; |
4582d741 | 1928 | |
1686d9b4 | 1929 | /* Get original name. */ |
0dbd1c74 | 1930 | p1 += sizeof "%rename"; |
1931 | while (*p1 == ' ' || *p1 == '\t') | |
1932 | p1++; | |
1933 | ||
2c815aff | 1934 | if (! ISALPHA ((unsigned char) *p1)) |
9d4072d8 | 1935 | fatal ("specs %%rename syntax malformed after %ld characters", |
1936 | (long) (p1 - buffer)); | |
4582d741 | 1937 | |
1938 | p2 = p1; | |
2c815aff | 1939 | while (*p2 && !ISSPACE ((unsigned char) *p2)) |
0dbd1c74 | 1940 | p2++; |
1941 | ||
4582d741 | 1942 | if (*p2 != ' ' && *p2 != '\t') |
9d4072d8 | 1943 | fatal ("specs %%rename syntax malformed after %ld characters", |
1944 | (long) (p2 - buffer)); | |
4582d741 | 1945 | |
1946 | name_len = p2 - p1; | |
1947 | *p2++ = '\0'; | |
0dbd1c74 | 1948 | while (*p2 == ' ' || *p2 == '\t') |
1949 | p2++; | |
1950 | ||
2c815aff | 1951 | if (! ISALPHA ((unsigned char) *p2)) |
9d4072d8 | 1952 | fatal ("specs %%rename syntax malformed after %ld characters", |
1953 | (long) (p2 - buffer)); | |
4582d741 | 1954 | |
026f2c7a | 1955 | /* Get new spec name. */ |
4582d741 | 1956 | p3 = p2; |
2c815aff | 1957 | while (*p3 && !ISSPACE ((unsigned char) *p3)) |
0dbd1c74 | 1958 | p3++; |
1959 | ||
026f2c7a | 1960 | if (p3 != p - 1) |
9d4072d8 | 1961 | fatal ("specs %%rename syntax malformed after %ld characters", |
1962 | (long) (p3 - buffer)); | |
4582d741 | 1963 | *p3 = '\0'; |
1964 | ||
1965 | for (sl = specs; sl; sl = sl->next) | |
1966 | if (name_len == sl->name_len && !strcmp (sl->name, p1)) | |
1967 | break; | |
1968 | ||
1969 | if (!sl) | |
1970 | fatal ("specs %s spec was not found to be renamed", p1); | |
1971 | ||
0dbd1c74 | 1972 | if (strcmp (p1, p2) == 0) |
4582d741 | 1973 | continue; |
1974 | ||
1686d9b4 | 1975 | for (newsl = specs; newsl; newsl = newsl->next) |
1976 | if (strcmp (newsl->name, p2) == 0) | |
1977 | fatal ("%s: attempt to rename spec '%s' to already defined spec '%s'", | |
1978 | filename, p1, p2); | |
1979 | ||
4582d741 | 1980 | if (verbose_flag) |
1981 | { | |
be2828ce | 1982 | notice ("rename spec %s to %s\n", p1, p2); |
4582d741 | 1983 | #ifdef DEBUG_SPECS |
be2828ce | 1984 | notice ("spec is '%s'\n\n", *(sl->ptr_spec)); |
4582d741 | 1985 | #endif |
1986 | } | |
1987 | ||
1988 | set_spec (p2, *(sl->ptr_spec)); | |
1989 | if (sl->alloc_p) | |
e772a198 | 1990 | free ((PTR) *(sl->ptr_spec)); |
4582d741 | 1991 | |
1992 | *(sl->ptr_spec) = ""; | |
1993 | sl->alloc_p = 0; | |
1994 | continue; | |
1995 | } | |
1996 | else | |
9d4072d8 | 1997 | fatal ("specs unknown %% command after %ld characters", |
1998 | (long) (p1 - buffer)); | |
4582d741 | 1999 | } |
2000 | ||
2001 | /* Find the colon that should end the suffix. */ | |
2002 | p1 = p; | |
0dbd1c74 | 2003 | while (*p1 && *p1 != ':' && *p1 != '\n') |
2004 | p1++; | |
2005 | ||
4582d741 | 2006 | /* The colon shouldn't be missing. */ |
2007 | if (*p1 != ':') | |
9d4072d8 | 2008 | fatal ("specs file malformed after %ld characters", |
2009 | (long) (p1 - buffer)); | |
0dbd1c74 | 2010 | |
4582d741 | 2011 | /* Skip back over trailing whitespace. */ |
2012 | p2 = p1; | |
0dbd1c74 | 2013 | while (p2 > buffer && (p2[-1] == ' ' || p2[-1] == '\t')) |
2014 | p2--; | |
2015 | ||
4582d741 | 2016 | /* Copy the suffix to a string. */ |
2017 | suffix = save_string (p, p2 - p); | |
2018 | /* Find the next line. */ | |
2019 | p = skip_whitespace (p1 + 1); | |
2020 | if (p[1] == 0) | |
9d4072d8 | 2021 | fatal ("specs file malformed after %ld characters", |
2022 | (long) (p - buffer)); | |
0dbd1c74 | 2023 | |
4582d741 | 2024 | p1 = p; |
623feb20 | 2025 | /* Find next blank line or end of string. */ |
2026 | while (*p1 && !(*p1 == '\n' && (p1[1] == '\n' || p1[1] == '\0'))) | |
0dbd1c74 | 2027 | p1++; |
2028 | ||
4582d741 | 2029 | /* Specs end at the blank line and do not include the newline. */ |
2030 | spec = save_string (p, p1 - p); | |
2031 | p = p1; | |
2032 | ||
2033 | /* Delete backslash-newline sequences from the spec. */ | |
2034 | in = spec; | |
2035 | out = spec; | |
2036 | while (*in != 0) | |
2037 | { | |
2038 | if (in[0] == '\\' && in[1] == '\n') | |
2039 | in += 2; | |
2040 | else if (in[0] == '#') | |
0dbd1c74 | 2041 | while (*in && *in != '\n') |
2042 | in++; | |
2043 | ||
4582d741 | 2044 | else |
2045 | *out++ = *in++; | |
2046 | } | |
2047 | *out = 0; | |
2048 | ||
2049 | if (suffix[0] == '*') | |
2050 | { | |
2051 | if (! strcmp (suffix, "*link_command")) | |
2052 | link_command_spec = spec; | |
2053 | else | |
2054 | set_spec (suffix + 1, spec); | |
2055 | } | |
2056 | else | |
2057 | { | |
2058 | /* Add this pair to the vector. */ | |
2059 | compilers | |
2060 | = ((struct compiler *) | |
0dbd1c74 | 2061 | xrealloc (compilers, |
2062 | (n_compilers + 2) * sizeof (struct compiler))); | |
2063 | ||
4582d741 | 2064 | compilers[n_compilers].suffix = suffix; |
1cf79a1a | 2065 | compilers[n_compilers].spec = spec; |
4582d741 | 2066 | n_compilers++; |
7f0b0c27 | 2067 | memset (&compilers[n_compilers], 0, sizeof compilers[n_compilers]); |
4582d741 | 2068 | } |
2069 | ||
2070 | if (*suffix == 0) | |
2071 | link_command_spec = spec; | |
2072 | } | |
2073 | ||
2074 | if (link_command_spec == 0) | |
2075 | fatal ("spec file has no spec for linking"); | |
2076 | } | |
2077 | \f | |
d7a9644e | 2078 | /* Record the names of temporary files we tell compilers to write, |
2079 | and delete them at the end of the run. */ | |
2080 | ||
2081 | /* This is the common prefix we use to make temp file names. | |
2082 | It is chosen once for each run of this program. | |
655a58fa | 2083 | It is substituted into a spec by %g or %j. |
d7a9644e | 2084 | Thus, all temp file names contain this prefix. |
2085 | In practice, all temp file names start with this prefix. | |
2086 | ||
2087 | This prefix comes from the envvar TMPDIR if it is defined; | |
2088 | otherwise, from the P_tmpdir macro if that is defined; | |
3441e5dd | 2089 | otherwise, in /usr/tmp or /tmp; |
2090 | or finally the current directory if all else fails. */ | |
d7a9644e | 2091 | |
e40d43cc | 2092 | static const char *temp_filename; |
d7a9644e | 2093 | |
2094 | /* Length of the prefix. */ | |
2095 | ||
2096 | static int temp_filename_length; | |
2097 | ||
2098 | /* Define the list of temporary files to delete. */ | |
2099 | ||
2100 | struct temp_file | |
2101 | { | |
e40d43cc | 2102 | const char *name; |
d7a9644e | 2103 | struct temp_file *next; |
2104 | }; | |
2105 | ||
2106 | /* Queue of files to delete on success or failure of compilation. */ | |
2107 | static struct temp_file *always_delete_queue; | |
2108 | /* Queue of files to delete on failure of compilation. */ | |
2109 | static struct temp_file *failure_delete_queue; | |
2110 | ||
2111 | /* Record FILENAME as a file to be deleted automatically. | |
2112 | ALWAYS_DELETE nonzero means delete it if all compilation succeeds; | |
2113 | otherwise delete it in any case. | |
2114 | FAIL_DELETE nonzero means delete it if a compilation step fails; | |
2115 | otherwise delete it in any case. */ | |
2116 | ||
833a5c07 | 2117 | void |
d7a9644e | 2118 | record_temp_file (filename, always_delete, fail_delete) |
e40d43cc | 2119 | const char *filename; |
d7a9644e | 2120 | int always_delete; |
2121 | int fail_delete; | |
2122 | { | |
19cb6b50 | 2123 | char *const name = xstrdup (filename); |
d7a9644e | 2124 | |
2125 | if (always_delete) | |
2126 | { | |
19cb6b50 | 2127 | struct temp_file *temp; |
d7a9644e | 2128 | for (temp = always_delete_queue; temp; temp = temp->next) |
2129 | if (! strcmp (name, temp->name)) | |
2130 | goto already1; | |
0dbd1c74 | 2131 | |
d7a9644e | 2132 | temp = (struct temp_file *) xmalloc (sizeof (struct temp_file)); |
2133 | temp->next = always_delete_queue; | |
2134 | temp->name = name; | |
2135 | always_delete_queue = temp; | |
0dbd1c74 | 2136 | |
d7a9644e | 2137 | already1:; |
2138 | } | |
2139 | ||
2140 | if (fail_delete) | |
2141 | { | |
19cb6b50 | 2142 | struct temp_file *temp; |
d7a9644e | 2143 | for (temp = failure_delete_queue; temp; temp = temp->next) |
2144 | if (! strcmp (name, temp->name)) | |
2145 | goto already2; | |
0dbd1c74 | 2146 | |
d7a9644e | 2147 | temp = (struct temp_file *) xmalloc (sizeof (struct temp_file)); |
2148 | temp->next = failure_delete_queue; | |
2149 | temp->name = name; | |
2150 | failure_delete_queue = temp; | |
0dbd1c74 | 2151 | |
d7a9644e | 2152 | already2:; |
2153 | } | |
2154 | } | |
2155 | ||
2156 | /* Delete all the temporary files whose names we previously recorded. */ | |
2157 | ||
8149a4fc | 2158 | static void |
2159 | delete_if_ordinary (name) | |
e40d43cc | 2160 | const char *name; |
8149a4fc | 2161 | { |
2162 | struct stat st; | |
2163 | #ifdef DEBUG | |
2164 | int i, c; | |
2165 | ||
2166 | printf ("Delete %s? (y or n) ", name); | |
2167 | fflush (stdout); | |
2168 | i = getchar (); | |
2169 | if (i != '\n') | |
0dbd1c74 | 2170 | while ((c = getchar ()) != '\n' && c != EOF) |
2171 | ; | |
2172 | ||
8149a4fc | 2173 | if (i == 'y' || i == 'Y') |
2174 | #endif /* DEBUG */ | |
b4eac72f | 2175 | if (stat (name, &st) >= 0 && S_ISREG (st.st_mode)) |
8149a4fc | 2176 | if (unlink (name) < 0) |
2177 | if (verbose_flag) | |
2178 | perror_with_name (name); | |
2179 | } | |
2180 | ||
d7a9644e | 2181 | static void |
2182 | delete_temp_files () | |
2183 | { | |
19cb6b50 | 2184 | struct temp_file *temp; |
d7a9644e | 2185 | |
2186 | for (temp = always_delete_queue; temp; temp = temp->next) | |
8149a4fc | 2187 | delete_if_ordinary (temp->name); |
d7a9644e | 2188 | always_delete_queue = 0; |
2189 | } | |
2190 | ||
2191 | /* Delete all the files to be deleted on error. */ | |
2192 | ||
2193 | static void | |
2194 | delete_failure_queue () | |
2195 | { | |
19cb6b50 | 2196 | struct temp_file *temp; |
d7a9644e | 2197 | |
2198 | for (temp = failure_delete_queue; temp; temp = temp->next) | |
8149a4fc | 2199 | delete_if_ordinary (temp->name); |
d7a9644e | 2200 | } |
2201 | ||
2202 | static void | |
2203 | clear_failure_queue () | |
2204 | { | |
2205 | failure_delete_queue = 0; | |
2206 | } | |
8894538a | 2207 | \f |
71cee7b1 | 2208 | /* Build a list of search directories from PATHS. |
2209 | PREFIX is a string to prepend to the list. | |
6ef828f9 | 2210 | If CHECK_DIR_P is nonzero we ensure the directory exists. |
71cee7b1 | 2211 | This is used mostly by putenv_from_prefixes so we use `collect_obstack'. |
2212 | It is also used by the --print-search-dirs flag. */ | |
8894538a | 2213 | |
71cee7b1 | 2214 | static char * |
2215 | build_search_list (paths, prefix, check_dir_p) | |
8894538a | 2216 | struct path_prefix *paths; |
e40d43cc | 2217 | const char *prefix; |
71cee7b1 | 2218 | int check_dir_p; |
8894538a | 2219 | { |
2220 | int suffix_len = (machine_suffix) ? strlen (machine_suffix) : 0; | |
4347db8e | 2221 | int just_suffix_len |
2222 | = (just_machine_suffix) ? strlen (just_machine_suffix) : 0; | |
8894538a | 2223 | int first_time = TRUE; |
2224 | struct prefix_list *pprefix; | |
2225 | ||
71cee7b1 | 2226 | obstack_grow (&collect_obstack, prefix, strlen (prefix)); |
397f1574 | 2227 | obstack_1grow (&collect_obstack, '='); |
8894538a | 2228 | |
2229 | for (pprefix = paths->plist; pprefix != 0; pprefix = pprefix->next) | |
2230 | { | |
2231 | int len = strlen (pprefix->prefix); | |
2232 | ||
c049b2ee | 2233 | if (machine_suffix |
0dbd1c74 | 2234 | && (! check_dir_p |
71cee7b1 | 2235 | || is_directory (pprefix->prefix, machine_suffix, 0))) |
8894538a | 2236 | { |
2237 | if (!first_time) | |
4347db8e | 2238 | obstack_1grow (&collect_obstack, PATH_SEPARATOR); |
2c815aff | 2239 | |
8894538a | 2240 | first_time = FALSE; |
2241 | obstack_grow (&collect_obstack, pprefix->prefix, len); | |
2242 | obstack_grow (&collect_obstack, machine_suffix, suffix_len); | |
2243 | } | |
2244 | ||
c049b2ee | 2245 | if (just_machine_suffix |
2246 | && pprefix->require_machine_suffix == 2 | |
0dbd1c74 | 2247 | && (! check_dir_p |
71cee7b1 | 2248 | || is_directory (pprefix->prefix, just_machine_suffix, 0))) |
3ec1fc1b | 2249 | { |
0dbd1c74 | 2250 | if (! first_time) |
4347db8e | 2251 | obstack_1grow (&collect_obstack, PATH_SEPARATOR); |
2c815aff | 2252 | |
3ec1fc1b | 2253 | first_time = FALSE; |
2254 | obstack_grow (&collect_obstack, pprefix->prefix, len); | |
4347db8e | 2255 | obstack_grow (&collect_obstack, just_machine_suffix, |
2256 | just_suffix_len); | |
3ec1fc1b | 2257 | } |
2258 | ||
0dbd1c74 | 2259 | if (! pprefix->require_machine_suffix) |
8894538a | 2260 | { |
0dbd1c74 | 2261 | if (! first_time) |
4347db8e | 2262 | obstack_1grow (&collect_obstack, PATH_SEPARATOR); |
8894538a | 2263 | |
2264 | first_time = FALSE; | |
2265 | obstack_grow (&collect_obstack, pprefix->prefix, len); | |
2266 | } | |
2267 | } | |
0dbd1c74 | 2268 | |
4347db8e | 2269 | obstack_1grow (&collect_obstack, '\0'); |
71cee7b1 | 2270 | return obstack_finish (&collect_obstack); |
8894538a | 2271 | } |
2272 | ||
a92771b8 | 2273 | /* Rebuild the COMPILER_PATH and LIBRARY_PATH environment variables |
2274 | for collect. */ | |
71cee7b1 | 2275 | |
2276 | static void | |
2277 | putenv_from_prefixes (paths, env_var) | |
2278 | struct path_prefix *paths; | |
e40d43cc | 2279 | const char *env_var; |
71cee7b1 | 2280 | { |
2281 | putenv (build_search_list (paths, env_var, 1)); | |
2282 | } | |
d7a9644e | 2283 | \f |
b155ba2f | 2284 | #ifndef VMS |
2285 | ||
2286 | /* FIXME: the location independence code for VMS is hairier than this, | |
2287 | and hasn't been written. */ | |
2288 | ||
2289 | /* Split a filename into component directories. */ | |
2290 | ||
2291 | static char ** | |
2292 | split_directories (name, ptr_num_dirs) | |
2293 | const char *name; | |
2294 | int *ptr_num_dirs; | |
2295 | { | |
2296 | int num_dirs = 0; | |
2297 | char **dirs; | |
2298 | const char *p, *q; | |
2299 | int ch; | |
2300 | ||
2301 | /* Count the number of directories. Special case MSDOS disk names as part | |
2302 | of the initial directory. */ | |
2303 | p = name; | |
2304 | #ifdef HAVE_DOS_BASED_FILE_SYSTEM | |
2305 | if (name[1] == ':' && IS_DIR_SEPARATOR (name[2])) | |
2306 | { | |
2307 | p += 3; | |
2308 | num_dirs++; | |
2309 | } | |
2310 | #endif /* HAVE_DOS_BASED_FILE_SYSTEM */ | |
2311 | ||
2312 | while ((ch = *p++) != '\0') | |
2313 | { | |
2314 | if (IS_DIR_SEPARATOR (ch)) | |
2315 | { | |
2316 | num_dirs++; | |
2317 | while (IS_DIR_SEPARATOR (*p)) | |
2318 | p++; | |
2319 | } | |
2320 | } | |
2321 | ||
2322 | dirs = (char **) xmalloc (sizeof (char *) * (num_dirs + 2)); | |
2323 | ||
2324 | /* Now copy the directory parts. */ | |
2325 | num_dirs = 0; | |
2326 | p = name; | |
2327 | #ifdef HAVE_DOS_BASED_FILE_SYSTEM | |
2328 | if (name[1] == ':' && IS_DIR_SEPARATOR (name[2])) | |
2329 | { | |
2330 | dirs[num_dirs++] = save_string (p, 3); | |
2331 | p += 3; | |
2332 | } | |
2333 | #endif /* HAVE_DOS_BASED_FILE_SYSTEM */ | |
2334 | ||
2335 | q = p; | |
2336 | while ((ch = *p++) != '\0') | |
2337 | { | |
2338 | if (IS_DIR_SEPARATOR (ch)) | |
2339 | { | |
2340 | while (IS_DIR_SEPARATOR (*p)) | |
2341 | p++; | |
2342 | ||
2343 | dirs[num_dirs++] = save_string (q, p - q); | |
2344 | q = p; | |
2345 | } | |
2346 | } | |
2347 | ||
2348 | if (p - 1 - q > 0) | |
2349 | dirs[num_dirs++] = save_string (q, p - 1 - q); | |
2350 | ||
d946ea19 | 2351 | dirs[num_dirs] = NULL; |
b155ba2f | 2352 | if (ptr_num_dirs) |
2353 | *ptr_num_dirs = num_dirs; | |
2354 | ||
2355 | return dirs; | |
2356 | } | |
2357 | ||
2358 | /* Release storage held by split directories. */ | |
2359 | ||
2360 | static void | |
2361 | free_split_directories (dirs) | |
2362 | char **dirs; | |
2363 | { | |
2364 | int i = 0; | |
2365 | ||
d946ea19 | 2366 | while (dirs[i] != NULL) |
b155ba2f | 2367 | free (dirs[i++]); |
2368 | ||
026f2c7a | 2369 | free ((char *) dirs); |
b155ba2f | 2370 | } |
2371 | ||
2372 | /* Given three strings PROGNAME, BIN_PREFIX, PREFIX, return a string that gets | |
2373 | to PREFIX starting with the directory portion of PROGNAME and a relative | |
2374 | pathname of the difference between BIN_PREFIX and PREFIX. | |
2375 | ||
2376 | For example, if BIN_PREFIX is /alpha/beta/gamma/gcc/delta, PREFIX is | |
2377 | /alpha/beta/gamma/omega/, and PROGNAME is /red/green/blue/gcc, then this | |
a6f19225 | 2378 | function will return /red/green/blue/../omega. |
b155ba2f | 2379 | |
2380 | If no relative prefix can be found, return NULL. */ | |
2381 | ||
2382 | static char * | |
2383 | make_relative_prefix (progname, bin_prefix, prefix) | |
2384 | const char *progname; | |
2385 | const char *bin_prefix; | |
2386 | const char *prefix; | |
2387 | { | |
2388 | char **prog_dirs, **bin_dirs, **prefix_dirs; | |
2389 | int prog_num, bin_num, prefix_num, std_loc_p; | |
2390 | int i, n, common; | |
2391 | ||
2392 | prog_dirs = split_directories (progname, &prog_num); | |
2393 | bin_dirs = split_directories (bin_prefix, &bin_num); | |
2394 | ||
2395 | /* If there is no full pathname, try to find the program by checking in each | |
2396 | of the directories specified in the PATH environment variable. */ | |
2397 | if (prog_num == 1) | |
2398 | { | |
2399 | char *temp; | |
2400 | ||
f16449b7 | 2401 | GET_ENVIRONMENT (temp, "PATH"); |
b155ba2f | 2402 | if (temp) |
2403 | { | |
32092b93 | 2404 | char *startp, *endp, *nstore; |
2405 | size_t prefixlen = strlen (temp) + 1; | |
2406 | if (prefixlen < 2) | |
2407 | prefixlen = 2; | |
2408 | ||
2409 | nstore = (char *) alloca (prefixlen + strlen (progname) + 1); | |
b155ba2f | 2410 | |
2411 | startp = endp = temp; | |
2412 | while (1) | |
2413 | { | |
2414 | if (*endp == PATH_SEPARATOR || *endp == 0) | |
2415 | { | |
2416 | if (endp == startp) | |
2417 | { | |
2418 | nstore[0] = '.'; | |
2419 | nstore[1] = DIR_SEPARATOR; | |
2420 | nstore[2] = '\0'; | |
2421 | } | |
2422 | else | |
2423 | { | |
026f2c7a | 2424 | strncpy (nstore, startp, endp - startp); |
b155ba2f | 2425 | if (! IS_DIR_SEPARATOR (endp[-1])) |
2426 | { | |
026f2c7a | 2427 | nstore[endp - startp] = DIR_SEPARATOR; |
2428 | nstore[endp - startp + 1] = 0; | |
b155ba2f | 2429 | } |
2430 | else | |
026f2c7a | 2431 | nstore[endp - startp] = 0; |
b155ba2f | 2432 | } |
2433 | strcat (nstore, progname); | |
2434 | if (! access (nstore, X_OK) | |
10f57222 | 2435 | #ifdef HAVE_HOST_EXECUTABLE_SUFFIX |
2436 | || ! access (strcat (nstore, HOST_EXECUTABLE_SUFFIX), X_OK) | |
b155ba2f | 2437 | #endif |
2438 | ) | |
2439 | { | |
2440 | free_split_directories (prog_dirs); | |
2441 | progname = nstore; | |
2442 | prog_dirs = split_directories (progname, &prog_num); | |
2443 | break; | |
2444 | } | |
2445 | ||
2446 | if (*endp == 0) | |
2447 | break; | |
2448 | endp = startp = endp + 1; | |
2449 | } | |
2450 | else | |
2451 | endp++; | |
2452 | } | |
2453 | } | |
2454 | } | |
2455 | ||
2456 | /* Remove the program name from comparison of directory names. */ | |
2457 | prog_num--; | |
2458 | ||
2459 | /* Determine if the compiler is installed in the standard location, and if | |
2460 | so, we don't need to specify relative directories. Also, if argv[0] | |
2461 | doesn't contain any directory specifiers, there is not much we can do. */ | |
2462 | std_loc_p = 0; | |
2463 | if (prog_num == bin_num) | |
2464 | { | |
2465 | for (i = 0; i < bin_num; i++) | |
2466 | { | |
2467 | if (strcmp (prog_dirs[i], bin_dirs[i]) != 0) | |
2468 | break; | |
2469 | } | |
2470 | ||
2471 | if (prog_num <= 0 || i == bin_num) | |
2472 | { | |
2473 | std_loc_p = 1; | |
2474 | free_split_directories (prog_dirs); | |
2475 | free_split_directories (bin_dirs); | |
2c815aff | 2476 | prog_dirs = bin_dirs = (char **) 0; |
d946ea19 | 2477 | return NULL; |
b155ba2f | 2478 | } |
2479 | } | |
2480 | ||
2481 | prefix_dirs = split_directories (prefix, &prefix_num); | |
2482 | ||
d4ea3b1f | 2483 | /* Find how many directories are in common between bin_prefix & prefix. */ |
b155ba2f | 2484 | n = (prefix_num < bin_num) ? prefix_num : bin_num; |
2485 | for (common = 0; common < n; common++) | |
2486 | { | |
2487 | if (strcmp (bin_dirs[common], prefix_dirs[common]) != 0) | |
2488 | break; | |
2489 | } | |
2490 | ||
2491 | /* If there are no common directories, there can be no relative prefix. */ | |
2492 | if (common == 0) | |
2493 | { | |
2494 | free_split_directories (prog_dirs); | |
2495 | free_split_directories (bin_dirs); | |
2496 | free_split_directories (prefix_dirs); | |
d946ea19 | 2497 | return NULL; |
b155ba2f | 2498 | } |
2499 | ||
2500 | /* Build up the pathnames in argv[0]. */ | |
2501 | for (i = 0; i < prog_num; i++) | |
2502 | obstack_grow (&obstack, prog_dirs[i], strlen (prog_dirs[i])); | |
2503 | ||
2504 | /* Now build up the ..'s. */ | |
2505 | for (i = common; i < n; i++) | |
2506 | { | |
026f2c7a | 2507 | obstack_grow (&obstack, DIR_UP, sizeof (DIR_UP) - 1); |
b155ba2f | 2508 | obstack_1grow (&obstack, DIR_SEPARATOR); |
2509 | } | |
2510 | ||
2511 | /* Put in directories to move over to prefix. */ | |
2512 | for (i = common; i < prefix_num; i++) | |
2513 | obstack_grow (&obstack, prefix_dirs[i], strlen (prefix_dirs[i])); | |
2514 | ||
2515 | free_split_directories (prog_dirs); | |
2516 | free_split_directories (bin_dirs); | |
2517 | free_split_directories (prefix_dirs); | |
2518 | ||
2519 | obstack_1grow (&obstack, '\0'); | |
2520 | return obstack_finish (&obstack); | |
2521 | } | |
2522 | #endif /* VMS */ | |
2523 | \f | |
4d5a901b | 2524 | /* Check whether NAME can be accessed in MODE. This is like access, |
2525 | except that it never considers directories to be executable. */ | |
2526 | ||
2527 | static int | |
2528 | access_check (name, mode) | |
2529 | const char *name; | |
2530 | int mode; | |
2531 | { | |
2532 | if (mode == X_OK) | |
2533 | { | |
2534 | struct stat st; | |
2535 | ||
2536 | if (stat (name, &st) < 0 | |
2537 | || S_ISDIR (st.st_mode)) | |
2538 | return -1; | |
2539 | } | |
2540 | ||
2541 | return access (name, mode); | |
2542 | } | |
2543 | ||
d7a9644e | 2544 | /* Search for NAME using the prefix list PREFIXES. MODE is passed to |
2545 | access to check permissions. | |
a92771b8 | 2546 | Return 0 if not found, otherwise return its name, allocated with malloc. */ |
d7a9644e | 2547 | |
2548 | static char * | |
c954ff02 | 2549 | find_a_file (pprefix, name, mode, multilib) |
d7a9644e | 2550 | struct path_prefix *pprefix; |
e40d43cc | 2551 | const char *name; |
c954ff02 | 2552 | int mode, multilib; |
d7a9644e | 2553 | { |
2554 | char *temp; | |
35823b64 | 2555 | const char *const file_suffix = |
2556 | ((mode & X_OK) != 0 ? HOST_EXECUTABLE_SUFFIX : ""); | |
d7a9644e | 2557 | struct prefix_list *pl; |
2558 | int len = pprefix->max_len + strlen (name) + strlen (file_suffix) + 1; | |
c954ff02 | 2559 | const char *multilib_name, *multilib_os_name; |
d7a9644e | 2560 | |
f07251bc | 2561 | #ifdef DEFAULT_ASSEMBLER |
7d3bd8c0 | 2562 | if (! strcmp (name, "as") && access (DEFAULT_ASSEMBLER, mode) == 0) |
713829e9 | 2563 | return xstrdup (DEFAULT_ASSEMBLER); |
f07251bc | 2564 | #endif |
2565 | ||
2566 | #ifdef DEFAULT_LINKER | |
713829e9 | 2567 | if (! strcmp(name, "ld") && access (DEFAULT_LINKER, mode) == 0) |
2568 | return xstrdup (DEFAULT_LINKER); | |
f07251bc | 2569 | #endif |
2570 | ||
d7a9644e | 2571 | if (machine_suffix) |
2572 | len += strlen (machine_suffix); | |
2573 | ||
c954ff02 | 2574 | multilib_name = name; |
2575 | multilib_os_name = name; | |
2576 | if (multilib && multilib_os_dir) | |
2577 | { | |
2578 | int len1 = multilib_dir ? strlen (multilib_dir) + 1 : 0; | |
2579 | int len2 = strlen (multilib_os_dir) + 1; | |
2580 | ||
2581 | len += len1 > len2 ? len1 : len2; | |
2582 | if (multilib_dir) | |
2583 | multilib_name = ACONCAT ((multilib_dir, dir_separator_str, name, | |
2584 | NULL)); | |
2585 | if (strcmp (multilib_os_dir, ".") != 0) | |
2586 | multilib_os_name = ACONCAT ((multilib_os_dir, dir_separator_str, name, | |
2587 | NULL)); | |
2588 | } | |
2589 | ||
d7a9644e | 2590 | temp = xmalloc (len); |
2591 | ||
2592 | /* Determine the filename to execute (special case for absolute paths). */ | |
2593 | ||
7d3bd8c0 | 2594 | if (IS_ABSOLUTE_PATHNAME (name)) |
d7a9644e | 2595 | { |
f07251bc | 2596 | if (access (name, mode) == 0) |
d7a9644e | 2597 | { |
2598 | strcpy (temp, name); | |
2599 | return temp; | |
2600 | } | |
2601 | } | |
2602 | else | |
2603 | for (pl = pprefix->plist; pl; pl = pl->next) | |
2604 | { | |
c954ff02 | 2605 | const char *this_name |
2606 | = pl->os_multilib ? multilib_os_name : multilib_name; | |
2607 | ||
d7a9644e | 2608 | if (machine_suffix) |
2609 | { | |
d7a9644e | 2610 | /* Some systems have a suffix for executable files. |
757f7e66 | 2611 | So try appending that first. */ |
d7a9644e | 2612 | if (file_suffix[0] != 0) |
2613 | { | |
757f7e66 | 2614 | strcpy (temp, pl->prefix); |
2615 | strcat (temp, machine_suffix); | |
c954ff02 | 2616 | strcat (temp, multilib_name); |
d7a9644e | 2617 | strcat (temp, file_suffix); |
4d5a901b | 2618 | if (access_check (temp, mode) == 0) |
d7a9644e | 2619 | { |
2620 | if (pl->used_flag_ptr != 0) | |
2621 | *pl->used_flag_ptr = 1; | |
2622 | return temp; | |
2623 | } | |
2624 | } | |
757f7e66 | 2625 | |
c954ff02 | 2626 | /* Now try just the multilib_name. */ |
3ec1fc1b | 2627 | strcpy (temp, pl->prefix); |
757f7e66 | 2628 | strcat (temp, machine_suffix); |
c954ff02 | 2629 | strcat (temp, multilib_name); |
4d5a901b | 2630 | if (access_check (temp, mode) == 0) |
3ec1fc1b | 2631 | { |
2632 | if (pl->used_flag_ptr != 0) | |
2633 | *pl->used_flag_ptr = 1; | |
2634 | return temp; | |
2635 | } | |
757f7e66 | 2636 | } |
2637 | ||
2638 | /* Certain prefixes are tried with just the machine type, | |
2639 | not the version. This is used for finding as, ld, etc. */ | |
2640 | if (just_machine_suffix && pl->require_machine_suffix == 2) | |
2641 | { | |
3ec1fc1b | 2642 | /* Some systems have a suffix for executable files. |
757f7e66 | 2643 | So try appending that first. */ |
3ec1fc1b | 2644 | if (file_suffix[0] != 0) |
2645 | { | |
757f7e66 | 2646 | strcpy (temp, pl->prefix); |
2647 | strcat (temp, just_machine_suffix); | |
c954ff02 | 2648 | strcat (temp, multilib_name); |
3ec1fc1b | 2649 | strcat (temp, file_suffix); |
4d5a901b | 2650 | if (access_check (temp, mode) == 0) |
3ec1fc1b | 2651 | { |
2652 | if (pl->used_flag_ptr != 0) | |
2653 | *pl->used_flag_ptr = 1; | |
2654 | return temp; | |
2655 | } | |
2656 | } | |
757f7e66 | 2657 | |
d7a9644e | 2658 | strcpy (temp, pl->prefix); |
757f7e66 | 2659 | strcat (temp, just_machine_suffix); |
c954ff02 | 2660 | strcat (temp, multilib_name); |
4d5a901b | 2661 | if (access_check (temp, mode) == 0) |
d7a9644e | 2662 | { |
2663 | if (pl->used_flag_ptr != 0) | |
2664 | *pl->used_flag_ptr = 1; | |
2665 | return temp; | |
2666 | } | |
757f7e66 | 2667 | } |
2668 | ||
2669 | /* Certain prefixes can't be used without the machine suffix | |
2670 | when the machine or version is explicitly specified. */ | |
0dbd1c74 | 2671 | if (! pl->require_machine_suffix) |
757f7e66 | 2672 | { |
d7a9644e | 2673 | /* Some systems have a suffix for executable files. |
757f7e66 | 2674 | So try appending that first. */ |
d7a9644e | 2675 | if (file_suffix[0] != 0) |
2676 | { | |
757f7e66 | 2677 | strcpy (temp, pl->prefix); |
c954ff02 | 2678 | strcat (temp, this_name); |
d7a9644e | 2679 | strcat (temp, file_suffix); |
4d5a901b | 2680 | if (access_check (temp, mode) == 0) |
d7a9644e | 2681 | { |
2682 | if (pl->used_flag_ptr != 0) | |
2683 | *pl->used_flag_ptr = 1; | |
2684 | return temp; | |
2685 | } | |
2686 | } | |
757f7e66 | 2687 | |
2688 | strcpy (temp, pl->prefix); | |
c954ff02 | 2689 | strcat (temp, this_name); |
4d5a901b | 2690 | if (access_check (temp, mode) == 0) |
757f7e66 | 2691 | { |
2692 | if (pl->used_flag_ptr != 0) | |
2693 | *pl->used_flag_ptr = 1; | |
2694 | return temp; | |
2695 | } | |
d7a9644e | 2696 | } |
2697 | } | |
2698 | ||
2699 | free (temp); | |
2700 | return 0; | |
2701 | } | |
2702 | ||
acd84059 | 2703 | /* Ranking of prefixes in the sort list. -B prefixes are put before |
2c815aff | 2704 | all others. */ |
acd84059 | 2705 | |
2706 | enum path_prefix_priority | |
2707 | { | |
2708 | PREFIX_PRIORITY_B_OPT, | |
2709 | PREFIX_PRIORITY_LAST | |
2710 | }; | |
2711 | ||
2712 | /* Add an entry for PREFIX in PLIST. The PLIST is kept in assending | |
2713 | order according to PRIORITY. Within each PRIORITY, new entries are | |
2714 | appended. | |
d7a9644e | 2715 | |
2716 | If WARN is nonzero, we will warn if no file is found | |
2717 | through this prefix. WARN should point to an int | |
3ec1fc1b | 2718 | which will be set to 1 if this entry is used. |
2719 | ||
0dbd1c74 | 2720 | COMPONENT is the value to be passed to update_path. |
2721 | ||
3ec1fc1b | 2722 | REQUIRE_MACHINE_SUFFIX is 1 if this prefix can't be used without |
2723 | the complete value of machine_suffix. | |
2724 | 2 means try both machine_suffix and just_machine_suffix. */ | |
d7a9644e | 2725 | |
2726 | static void | |
c954ff02 | 2727 | add_prefix (pprefix, prefix, component, priority, require_machine_suffix, |
2728 | warn, os_multilib) | |
d7a9644e | 2729 | struct path_prefix *pprefix; |
7bcdc3c7 | 2730 | const char *prefix; |
2731 | const char *component; | |
acd84059 | 2732 | /* enum prefix_priority */ int priority; |
d7a9644e | 2733 | int require_machine_suffix; |
2734 | int *warn; | |
c954ff02 | 2735 | int os_multilib; |
d7a9644e | 2736 | { |
2737 | struct prefix_list *pl, **prev; | |
2738 | int len; | |
2739 | ||
acd84059 | 2740 | for (prev = &pprefix->plist; |
2741 | (*prev) != NULL && (*prev)->priority <= priority; | |
2742 | prev = &(*prev)->next) | |
2743 | ; | |
d7a9644e | 2744 | |
2745 | /* Keep track of the longest prefix */ | |
2746 | ||
0dbd1c74 | 2747 | prefix = update_path (prefix, component); |
d7a9644e | 2748 | len = strlen (prefix); |
2749 | if (len > pprefix->max_len) | |
2750 | pprefix->max_len = len; | |
2751 | ||
2752 | pl = (struct prefix_list *) xmalloc (sizeof (struct prefix_list)); | |
17b80c08 | 2753 | pl->prefix = prefix; |
d7a9644e | 2754 | pl->require_machine_suffix = require_machine_suffix; |
2755 | pl->used_flag_ptr = warn; | |
acd84059 | 2756 | pl->priority = priority; |
c954ff02 | 2757 | pl->os_multilib = os_multilib; |
d7a9644e | 2758 | if (warn) |
2759 | *warn = 0; | |
2760 | ||
acd84059 | 2761 | /* Insert after PREV */ |
2762 | pl->next = (*prev); | |
2763 | (*prev) = pl; | |
d7a9644e | 2764 | } |
d7a9644e | 2765 | \f |
2766 | /* Execute the command specified by the arguments on the current line of spec. | |
2767 | When using pipes, this includes several piped-together commands | |
2768 | with `|' between them. | |
2769 | ||
2770 | Return 0 if successful, -1 if failed. */ | |
2771 | ||
2772 | static int | |
2773 | execute () | |
2774 | { | |
2775 | int i; | |
2776 | int n_commands; /* # of command. */ | |
2777 | char *string; | |
2778 | struct command | |
026f2c7a | 2779 | { |
2780 | const char *prog; /* program name. */ | |
2781 | const char **argv; /* vector of args. */ | |
2782 | int pid; /* pid of process for this command. */ | |
2783 | }; | |
d7a9644e | 2784 | |
2785 | struct command *commands; /* each command buffer with above info. */ | |
2786 | ||
c21b3276 | 2787 | if (processing_spec_function) |
2788 | abort (); | |
2789 | ||
d7a9644e | 2790 | /* Count # of piped commands. */ |
2791 | for (n_commands = 1, i = 0; i < argbuf_index; i++) | |
2792 | if (strcmp (argbuf[i], "|") == 0) | |
2793 | n_commands++; | |
2794 | ||
2795 | /* Get storage for each command. */ | |
026f2c7a | 2796 | commands = (struct command *) alloca (n_commands * sizeof (struct command)); |
d7a9644e | 2797 | |
2798 | /* Split argbuf into its separate piped processes, | |
2799 | and record info about each one. | |
2800 | Also search for the programs that are to be run. */ | |
2801 | ||
2802 | commands[0].prog = argbuf[0]; /* first command. */ | |
2803 | commands[0].argv = &argbuf[0]; | |
c954ff02 | 2804 | string = find_a_file (&exec_prefixes, commands[0].prog, X_OK, 0); |
0c787992 | 2805 | |
d7a9644e | 2806 | if (string) |
2807 | commands[0].argv[0] = string; | |
2808 | ||
2809 | for (n_commands = 1, i = 0; i < argbuf_index; i++) | |
2810 | if (strcmp (argbuf[i], "|") == 0) | |
2811 | { /* each command. */ | |
35151e7a | 2812 | #if defined (__MSDOS__) || defined (OS2) || defined (VMS) |
026f2c7a | 2813 | fatal ("-pipe not supported"); |
d7a9644e | 2814 | #endif |
2815 | argbuf[i] = 0; /* termination of command args. */ | |
2816 | commands[n_commands].prog = argbuf[i + 1]; | |
2817 | commands[n_commands].argv = &argbuf[i + 1]; | |
c954ff02 | 2818 | string = find_a_file (&exec_prefixes, commands[n_commands].prog, |
2819 | X_OK, 0); | |
d7a9644e | 2820 | if (string) |
2821 | commands[n_commands].argv[0] = string; | |
2822 | n_commands++; | |
2823 | } | |
2824 | ||
2825 | argbuf[argbuf_index] = 0; | |
2826 | ||
2827 | /* If -v, print what we are about to do, and maybe query. */ | |
2828 | ||
8894538a | 2829 | if (verbose_flag) |
d7a9644e | 2830 | { |
8ace789a | 2831 | /* For help listings, put a blank line between sub-processes. */ |
2832 | if (print_help_list) | |
2833 | fputc ('\n', stderr); | |
2c815aff | 2834 | |
d7a9644e | 2835 | /* Print each piped command as a separate line. */ |
026f2c7a | 2836 | for (i = 0; i < n_commands; i++) |
d7a9644e | 2837 | { |
826f6505 | 2838 | const char *const *j; |
d7a9644e | 2839 | |
3cfec666 | 2840 | if (verbose_only_flag) |
2841 | { | |
74e4079a | 2842 | for (j = commands[i].argv; *j; j++) |
2843 | { | |
7cc1628d | 2844 | const char *p; |
74e4079a | 2845 | fprintf (stderr, " \""); |
2846 | for (p = *j; *p; ++p) | |
2847 | { | |
2848 | if (*p == '"' || *p == '\\' || *p == '$') | |
2849 | fputc ('\\', stderr); | |
2850 | fputc (*p, stderr); | |
2851 | } | |
2852 | fputc ('"', stderr); | |
2853 | } | |
3cfec666 | 2854 | } |
2855 | else | |
74e4079a | 2856 | for (j = commands[i].argv; *j; j++) |
2857 | fprintf (stderr, " %s", *j); | |
d7a9644e | 2858 | |
2859 | /* Print a pipe symbol after all but the last command. */ | |
2860 | if (i + 1 != n_commands) | |
2861 | fprintf (stderr, " |"); | |
2862 | fprintf (stderr, "\n"); | |
2863 | } | |
2864 | fflush (stderr); | |
74e4079a | 2865 | if (verbose_only_flag != 0) |
3cfec666 | 2866 | return 0; |
d7a9644e | 2867 | #ifdef DEBUG |
be2828ce | 2868 | notice ("\nGo ahead? (y or n) "); |
d7a9644e | 2869 | fflush (stderr); |
2870 | i = getchar (); | |
2871 | if (i != '\n') | |
0dbd1c74 | 2872 | while (getchar () != '\n') |
2873 | ; | |
2874 | ||
d7a9644e | 2875 | if (i != 'y' && i != 'Y') |
2876 | return 0; | |
2877 | #endif /* DEBUG */ | |
2878 | } | |
2879 | ||
0fa54ff1 | 2880 | #ifdef ENABLE_VALGRIND_CHECKING |
2881 | /* Run the each command through valgrind. To simplifiy prepending the | |
2882 | path to valgrind and the option "-q" (for quiet operation unless | |
2883 | something triggers), we allocate a separate argv array. */ | |
2884 | ||
2885 | for (i = 0; i < n_commands; i++) | |
2886 | { | |
2887 | const char **argv; | |
2888 | int argc; | |
2889 | int j; | |
2890 | ||
2891 | for (argc = 0; commands[i].argv[argc] != NULL; argc++) | |
2892 | ; | |
2893 | ||
2894 | argv = alloca ((argc + 3) * sizeof (char *)); | |
2895 | ||
2896 | argv[0] = VALGRIND_PATH; | |
2897 | argv[1] = "-q"; | |
2898 | for (j = 2; j < argc + 2; j++) | |
2899 | argv[j] = commands[i].argv[j - 2]; | |
2900 | argv[j] = NULL; | |
2901 | ||
2902 | commands[i].argv = argv; | |
2903 | commands[i].prog = argv[0]; | |
2904 | } | |
2905 | #endif | |
2906 | ||
d7a9644e | 2907 | /* Run each piped subprocess. */ |
2908 | ||
d7a9644e | 2909 | for (i = 0; i < n_commands; i++) |
2910 | { | |
4ee8d66a | 2911 | char *errmsg_fmt, *errmsg_arg; |
2508fdc3 | 2912 | const char *string = commands[i].argv[0]; |
d7a9644e | 2913 | |
826f6505 | 2914 | /* For some bizarre reason, the second argument of execvp() is |
2915 | char *const *, not const char *const *. */ | |
2916 | commands[i].pid = pexecute (string, (char *const *) commands[i].argv, | |
4ee8d66a | 2917 | programname, temp_filename, |
2918 | &errmsg_fmt, &errmsg_arg, | |
2919 | ((i == 0 ? PEXECUTE_FIRST : 0) | |
2920 | | (i + 1 == n_commands ? PEXECUTE_LAST : 0) | |
2921 | | (string == commands[i].prog | |
74df5e8c | 2922 | ? PEXECUTE_SEARCH : 0) |
2923 | | (verbose_flag ? PEXECUTE_VERBOSE : 0))); | |
4ee8d66a | 2924 | |
2925 | if (commands[i].pid == -1) | |
2926 | pfatal_pexecute (errmsg_fmt, errmsg_arg); | |
d7a9644e | 2927 | |
2928 | if (string != commands[i].prog) | |
2508fdc3 | 2929 | free ((PTR) string); |
d7a9644e | 2930 | } |
2931 | ||
2932 | execution_count++; | |
2933 | ||
2934 | /* Wait for all the subprocesses to finish. | |
2935 | We don't care what order they finish in; | |
f377226e | 2936 | we know that N_COMMANDS waits will get them all. |
2937 | Ignore subprocesses that we don't know about, | |
2938 | since they can be spawned by the process that exec'ed us. */ | |
d7a9644e | 2939 | |
2940 | { | |
2941 | int ret_code = 0; | |
a876e5f8 | 2942 | #ifdef HAVE_GETRUSAGE |
2943 | struct timeval d; | |
ef2c4a29 | 2944 | double ut = 0.0, st = 0.0; |
a876e5f8 | 2945 | #endif |
d7a9644e | 2946 | |
026f2c7a | 2947 | for (i = 0; i < n_commands;) |
d7a9644e | 2948 | { |
f377226e | 2949 | int j; |
d7a9644e | 2950 | int status; |
2951 | int pid; | |
d7a9644e | 2952 | |
4ee8d66a | 2953 | pid = pwait (commands[i].pid, &status, 0); |
d7a9644e | 2954 | if (pid < 0) |
2955 | abort (); | |
2956 | ||
a876e5f8 | 2957 | #ifdef HAVE_GETRUSAGE |
2958 | if (report_times) | |
2959 | { | |
2960 | /* getrusage returns the total resource usage of all children | |
2961 | up to now. Copy the previous values into prus, get the | |
2962 | current statistics, then take the difference. */ | |
2963 | ||
2964 | prus = rus; | |
2965 | getrusage (RUSAGE_CHILDREN, &rus); | |
2966 | d.tv_sec = rus.ru_utime.tv_sec - prus.ru_utime.tv_sec; | |
2967 | d.tv_usec = rus.ru_utime.tv_usec - prus.ru_utime.tv_usec; | |
026f2c7a | 2968 | ut = (double) d.tv_sec + (double) d.tv_usec / 1.0e6; |
2c815aff | 2969 | |
a876e5f8 | 2970 | d.tv_sec = rus.ru_stime.tv_sec - prus.ru_stime.tv_sec; |
2971 | d.tv_usec = rus.ru_stime.tv_usec - prus.ru_stime.tv_usec; | |
026f2c7a | 2972 | st = (double) d.tv_sec + (double) d.tv_usec / 1.0e6; |
a876e5f8 | 2973 | } |
2974 | #endif | |
2975 | ||
f377226e | 2976 | for (j = 0; j < n_commands; j++) |
2977 | if (commands[j].pid == pid) | |
2978 | { | |
2979 | i++; | |
4ed34b76 | 2980 | if (WIFSIGNALED (status)) |
f377226e | 2981 | { |
4ed34b76 | 2982 | #ifdef SIGPIPE |
2983 | /* SIGPIPE is a special case. It happens in -pipe mode | |
2984 | when the compiler dies before the preprocessor is | |
2985 | done, or the assembler dies before the compiler is | |
2986 | done. There's generally been an error already, and | |
2987 | this is just fallout. So don't generate another error | |
2988 | unless we would otherwise have succeeded. */ | |
2989 | if (WTERMSIG (status) == SIGPIPE | |
2990 | && (signal_count || greatest_status >= MIN_FATAL_STATUS)) | |
2991 | ; | |
2992 | else | |
2993 | #endif | |
2994 | fatal ("\ | |
2995 | Internal error: %s (program %s)\n\ | |
2996 | Please submit a full bug report.\n\ | |
2997 | See %s for instructions.", | |
2998 | strsignal (WTERMSIG (status)), commands[j].prog, | |
4b5ee00b | 2999 | bug_report_url); |
4ed34b76 | 3000 | signal_count++; |
3001 | ret_code = -1; | |
3002 | } | |
3003 | else if (WIFEXITED (status) | |
3004 | && WEXITSTATUS (status) >= MIN_FATAL_STATUS) | |
3005 | { | |
3006 | if (WEXITSTATUS (status) > greatest_status) | |
3007 | greatest_status = WEXITSTATUS (status); | |
3008 | ret_code = -1; | |
f377226e | 3009 | } |
a876e5f8 | 3010 | #ifdef HAVE_GETRUSAGE |
3011 | if (report_times && ut + st != 0) | |
3012 | notice ("# %s %.2f %.2f\n", commands[j].prog, ut, st); | |
3013 | #endif | |
f377226e | 3014 | break; |
3015 | } | |
d7a9644e | 3016 | } |
3017 | return ret_code; | |
3018 | } | |
3019 | } | |
3020 | \f | |
3021 | /* Find all the switches given to us | |
3022 | and make a vector describing them. | |
3023 | The elements of the vector are strings, one per switch given. | |
3024 | If a switch uses following arguments, then the `part1' field | |
3025 | is the switch itself and the `args' field | |
3026 | is a null-terminated vector containing the following arguments. | |
4a10d696 | 3027 | The `live_cond' field is: |
3028 | 0 when initialized | |
3029 | 1 if the switch is true in a conditional spec, | |
3030 | -1 if false (overridden by a later switch) | |
3031 | -2 if this switch should be ignored (used in %{<S}) | |
be2828ce | 3032 | The `validated' field is nonzero if any spec has looked at this switch; |
d7a9644e | 3033 | if it remains zero at the end of the run, it must be meaningless. */ |
3034 | ||
4a10d696 | 3035 | #define SWITCH_OK 0 |
3036 | #define SWITCH_FALSE -1 | |
3037 | #define SWITCH_IGNORE -2 | |
3038 | #define SWITCH_LIVE 1 | |
3039 | ||
d7a9644e | 3040 | struct switchstr |
3041 | { | |
e40d43cc | 3042 | const char *part1; |
2508fdc3 | 3043 | const char **args; |
cde688ab | 3044 | int live_cond; |
e1478c0f | 3045 | unsigned char validated; |
3046 | unsigned char ordering; | |
d7a9644e | 3047 | }; |
3048 | ||
3049 | static struct switchstr *switches; | |
3050 | ||
3051 | static int n_switches; | |
3052 | ||
3053 | struct infile | |
3054 | { | |
e40d43cc | 3055 | const char *name; |
3056 | const char *language; | |
d7a9644e | 3057 | }; |
3058 | ||
3059 | /* Also a vector of input files specified. */ | |
3060 | ||
3061 | static struct infile *infiles; | |
3062 | ||
943bf3c7 | 3063 | int n_infiles; |
d7a9644e | 3064 | |
cdf76fe2 | 3065 | /* This counts the number of libraries added by lang_specific_driver, so that |
9e56255a | 3066 | we can tell if there were any user supplied any files or libraries. */ |
3067 | ||
3068 | static int added_libraries; | |
3069 | ||
d7a9644e | 3070 | /* And a vector of corresponding output files is made up later. */ |
3071 | ||
943bf3c7 | 3072 | const char **outfiles; |
d7a9644e | 3073 | |
a12b1d6f | 3074 | /* Used to track if none of the -B paths are used. */ |
3075 | static int warn_B; | |
3076 | ||
a12b1d6f | 3077 | /* Gives value to pass as "warn" to add_prefix for standard prefixes. */ |
2189ae9e | 3078 | static int *warn_std_ptr = 0; |
2e58e75e | 3079 | \f |
10f57222 | 3080 | #if defined(HAVE_TARGET_OBJECT_SUFFIX) || defined(HAVE_TARGET_EXECUTABLE_SUFFIX) |
2e58e75e | 3081 | |
3082 | /* Convert NAME to a new name if it is the standard suffix. DO_EXE | |
c5025ad6 | 3083 | is true if we should look for an executable suffix. DO_OBJ |
3084 | is true if we should look for an object suffix. */ | |
2e58e75e | 3085 | |
7e6b5e54 | 3086 | static const char * |
c5025ad6 | 3087 | convert_filename (name, do_exe, do_obj) |
7e6b5e54 | 3088 | const char *name; |
3089 | int do_exe ATTRIBUTE_UNUSED; | |
c5025ad6 | 3090 | int do_obj ATTRIBUTE_UNUSED; |
2e58e75e | 3091 | { |
7e6b5e54 | 3092 | #if defined(HAVE_TARGET_EXECUTABLE_SUFFIX) |
2e58e75e | 3093 | int i; |
7e6b5e54 | 3094 | #endif |
2e3ecf64 | 3095 | int len; |
3096 | ||
3097 | if (name == NULL) | |
3098 | return NULL; | |
2c815aff | 3099 | |
2e3ecf64 | 3100 | len = strlen (name); |
2e58e75e | 3101 | |
10f57222 | 3102 | #ifdef HAVE_TARGET_OBJECT_SUFFIX |
3103 | /* Convert x.o to x.obj if TARGET_OBJECT_SUFFIX is ".obj". */ | |
c5025ad6 | 3104 | if (do_obj && len > 2 |
2e58e75e | 3105 | && name[len - 2] == '.' |
3106 | && name[len - 1] == 'o') | |
3107 | { | |
7c8c3232 | 3108 | obstack_grow (&obstack, name, len - 2); |
10f57222 | 3109 | obstack_grow0 (&obstack, TARGET_OBJECT_SUFFIX, strlen (TARGET_OBJECT_SUFFIX)); |
2e58e75e | 3110 | name = obstack_finish (&obstack); |
3111 | } | |
3112 | #endif | |
3113 | ||
10f57222 | 3114 | #if defined(HAVE_TARGET_EXECUTABLE_SUFFIX) |
2e58e75e | 3115 | /* If there is no filetype, make it the executable suffix (which includes |
3116 | the "."). But don't get confused if we have just "-o". */ | |
10f57222 | 3117 | if (! do_exe || TARGET_EXECUTABLE_SUFFIX[0] == 0 || (len == 2 && name[0] == '-')) |
2e58e75e | 3118 | return name; |
3119 | ||
dea8dca4 | 3120 | for (i = len - 1; i >= 0; i--) |
79b23a1e | 3121 | if (IS_DIR_SEPARATOR (name[i])) |
dea8dca4 | 3122 | break; |
3123 | ||
3124 | for (i++; i < len; i++) | |
2e58e75e | 3125 | if (name[i] == '.') |
3126 | return name; | |
3127 | ||
3128 | obstack_grow (&obstack, name, len); | |
ee866761 | 3129 | obstack_grow0 (&obstack, TARGET_EXECUTABLE_SUFFIX, |
3130 | strlen (TARGET_EXECUTABLE_SUFFIX)); | |
2e58e75e | 3131 | name = obstack_finish (&obstack); |
3132 | #endif | |
3133 | ||
3134 | return name; | |
3135 | } | |
3136 | #endif | |
8ace789a | 3137 | \f |
3138 | /* Display the command line switches accepted by gcc. */ | |
3139 | static void | |
3140 | display_help () | |
3141 | { | |
a4db0a1d | 3142 | printf (_("Usage: %s [options] file...\n"), programname); |
3143 | fputs (_("Options:\n"), stdout); | |
8ace789a | 3144 | |
a4db0a1d | 3145 | fputs (_(" -pass-exit-codes Exit with highest error code from a phase\n"), stdout); |
3146 | fputs (_(" --help Display this information\n"), stdout); | |
7a6882ca | 3147 | fputs (_(" --target-help Display target specific command line options\n"), stdout); |
8ace789a | 3148 | if (! verbose_flag) |
a4db0a1d | 3149 | fputs (_(" (Use '-v --help' to display command line options of sub-processes)\n"), stdout); |
3150 | fputs (_(" -dumpspecs Display all of the built in spec strings\n"), stdout); | |
3151 | fputs (_(" -dumpversion Display the version of the compiler\n"), stdout); | |
3152 | fputs (_(" -dumpmachine Display the compiler's target processor\n"), stdout); | |
3153 | fputs (_(" -print-search-dirs Display the directories in the compiler's search path\n"), stdout); | |
3154 | fputs (_(" -print-libgcc-file-name Display the name of the compiler's companion library\n"), stdout); | |
3155 | fputs (_(" -print-file-name=<lib> Display the full path to library <lib>\n"), stdout); | |
3156 | fputs (_(" -print-prog-name=<prog> Display the full path to compiler component <prog>\n"), stdout); | |
3157 | fputs (_(" -print-multi-directory Display the root directory for versions of libgcc\n"), stdout); | |
3158 | fputs (_("\ | |
3159 | -print-multi-lib Display the mapping between command line options and\n\ | |
3160 | multiple library search directories\n"), stdout); | |
c954ff02 | 3161 | fputs (_(" -print-multi-os-directory Display the relative path to OS libraries\n"), stdout); |
a4db0a1d | 3162 | fputs (_(" -Wa,<options> Pass comma-separated <options> on to the assembler\n"), stdout); |
3163 | fputs (_(" -Wp,<options> Pass comma-separated <options> on to the preprocessor\n"), stdout); | |
3164 | fputs (_(" -Wl,<options> Pass comma-separated <options> on to the linker\n"), stdout); | |
3165 | fputs (_(" -Xlinker <arg> Pass <arg> on to the linker\n"), stdout); | |
3166 | fputs (_(" -save-temps Do not delete intermediate files\n"), stdout); | |
3167 | fputs (_(" -pipe Use pipes rather than intermediate files\n"), stdout); | |
3168 | fputs (_(" -time Time the execution of each subprocess\n"), stdout); | |
f4ec69cb | 3169 | fputs (_(" -specs=<file> Override built-in specs with the contents of <file>\n"), stdout); |
a4db0a1d | 3170 | fputs (_(" -std=<standard> Assume that the input sources are for <standard>\n"), stdout); |
3171 | fputs (_(" -B <directory> Add <directory> to the compiler's search paths\n"), stdout); | |
3172 | fputs (_(" -b <machine> Run gcc for target <machine>, if installed\n"), stdout); | |
3173 | fputs (_(" -V <version> Run gcc version number <version>, if installed\n"), stdout); | |
3174 | fputs (_(" -v Display the programs invoked by the compiler\n"), stdout); | |
74e4079a | 3175 | fputs (_(" -### Like -v but options quoted and commands not executed\n"), stdout); |
a4db0a1d | 3176 | fputs (_(" -E Preprocess only; do not compile, assemble or link\n"), stdout); |
3177 | fputs (_(" -S Compile only; do not assemble or link\n"), stdout); | |
3178 | fputs (_(" -c Compile and assemble, but do not link\n"), stdout); | |
3179 | fputs (_(" -o <file> Place the output into <file>\n"), stdout); | |
3180 | fputs (_("\ | |
3181 | -x <language> Specify the language of the following input files\n\ | |
3182 | Permissable languages include: c c++ assembler none\n\ | |
1d8c4563 | 3183 | 'none' means revert to the default behavior of\n\ |
a4db0a1d | 3184 | guessing the language based on the file's extension\n\ |
3185 | "), stdout); | |
3186 | ||
60933322 | 3187 | printf (_("\ |
833a5c07 | 3188 | \nOptions starting with -g, -f, -m, -O, -W, or --param are automatically\n\ |
3189 | passed on to the various sub-processes invoked by %s. In order to pass\n\ | |
3190 | other options on to these processes the -W<letter> options must be used.\n\ | |
60933322 | 3191 | "), programname); |
8ace789a | 3192 | |
3193 | /* The rest of the options are displayed by invocations of the various | |
3194 | sub-processes. */ | |
3195 | } | |
3196 | ||
2c815aff | 3197 | static void |
3198 | add_preprocessor_option (option, len) | |
026f2c7a | 3199 | const char *option; |
e40d43cc | 3200 | int len; |
2c815aff | 3201 | { |
e40d43cc | 3202 | n_preprocessor_options++; |
2c815aff | 3203 | |
e40d43cc | 3204 | if (! preprocessor_options) |
3205 | preprocessor_options | |
3206 | = (char **) xmalloc (n_preprocessor_options * sizeof (char *)); | |
3207 | else | |
3208 | preprocessor_options | |
3209 | = (char **) xrealloc (preprocessor_options, | |
3210 | n_preprocessor_options * sizeof (char *)); | |
2c815aff | 3211 | |
e40d43cc | 3212 | preprocessor_options [n_preprocessor_options - 1] = |
3213 | save_string (option, len); | |
9a109943 | 3214 | } |
2c815aff | 3215 | |
3216 | static void | |
3217 | add_assembler_option (option, len) | |
026f2c7a | 3218 | const char *option; |
e40d43cc | 3219 | int len; |
3220 | { | |
3221 | n_assembler_options++; | |
3222 | ||
3223 | if (! assembler_options) | |
3224 | assembler_options | |
3225 | = (char **) xmalloc (n_assembler_options * sizeof (char *)); | |
3226 | else | |
3227 | assembler_options | |
3228 | = (char **) xrealloc (assembler_options, | |
3229 | n_assembler_options * sizeof (char *)); | |
3230 | ||
3231 | assembler_options [n_assembler_options - 1] = save_string (option, len); | |
8ace789a | 3232 | } |
2c815aff | 3233 | |
3234 | static void | |
3235 | add_linker_option (option, len) | |
026f2c7a | 3236 | const char *option; |
3237 | int len; | |
e40d43cc | 3238 | { |
3239 | n_linker_options++; | |
3240 | ||
3241 | if (! linker_options) | |
3242 | linker_options | |
3243 | = (char **) xmalloc (n_linker_options * sizeof (char *)); | |
3244 | else | |
3245 | linker_options | |
3246 | = (char **) xrealloc (linker_options, | |
3247 | n_linker_options * sizeof (char *)); | |
3248 | ||
3249 | linker_options [n_linker_options - 1] = save_string (option, len); | |
9a109943 | 3250 | } |
2e58e75e | 3251 | \f |
d7a9644e | 3252 | /* Create the vector `switches' and its contents. |
3253 | Store its length in `n_switches'. */ | |
3254 | ||
3255 | static void | |
3256 | process_command (argc, argv) | |
3257 | int argc; | |
826f6505 | 3258 | const char *const *argv; |
d7a9644e | 3259 | { |
19cb6b50 | 3260 | int i; |
e40d43cc | 3261 | const char *temp; |
3262 | char *temp1; | |
2508fdc3 | 3263 | const char *spec_lang = 0; |
d7a9644e | 3264 | int last_language_n_infiles; |
53ff1753 | 3265 | int have_c = 0; |
3266 | int have_o = 0; | |
e71cc307 | 3267 | int lang_n_infiles = 0; |
d2537617 | 3268 | #ifdef MODIFY_TARGET_NAME |
3269 | int is_modify_target_name; | |
9c31a032 | 3270 | int j; |
d2537617 | 3271 | #endif |
d7a9644e | 3272 | |
f16449b7 | 3273 | GET_ENVIRONMENT (gcc_exec_prefix, "GCC_EXEC_PREFIX"); |
bfef3e2f | 3274 | |
d7a9644e | 3275 | n_switches = 0; |
3276 | n_infiles = 0; | |
9e56255a | 3277 | added_libraries = 0; |
0d3f9dba | 3278 | |
4dd56bd9 | 3279 | /* Figure compiler version from version string. */ |
3280 | ||
2c815aff | 3281 | compiler_version = temp1 = xstrdup (version_string); |
713829e9 | 3282 | |
e40d43cc | 3283 | for (; *temp1; ++temp1) |
4dd56bd9 | 3284 | { |
e40d43cc | 3285 | if (*temp1 == ' ') |
4dd56bd9 | 3286 | { |
e40d43cc | 3287 | *temp1 = '\0'; |
4dd56bd9 | 3288 | break; |
3289 | } | |
3290 | } | |
d7a9644e | 3291 | |
3443e1be | 3292 | /* If there is a -V or -b option (or both), process it now, before |
3293 | trying to interpret the rest of the command line. */ | |
3294 | if (argc > 1 && argv[1][0] == '-' | |
3295 | && (argv[1][1] == 'V' || argv[1][1] == 'b')) | |
3296 | { | |
3297 | const char *new_version = DEFAULT_TARGET_VERSION; | |
3298 | const char *new_machine = DEFAULT_TARGET_MACHINE; | |
fe920472 | 3299 | const char *progname = argv[0]; |
3300 | char **new_argv; | |
3443e1be | 3301 | char *new_argv0; |
3302 | int baselen; | |
3303 | ||
fe920472 | 3304 | while (argc > 1 && argv[1][0] == '-' |
3305 | && (argv[1][1] == 'V' || argv[1][1] == 'b')) | |
3443e1be | 3306 | { |
fe920472 | 3307 | char opt = argv[1][1]; |
3443e1be | 3308 | const char *arg; |
fe920472 | 3309 | if (argv[1][2] != '\0') |
3443e1be | 3310 | { |
fe920472 | 3311 | arg = argv[1] + 2; |
3443e1be | 3312 | argc -= 1; |
fe920472 | 3313 | argv += 1; |
3443e1be | 3314 | } |
3315 | else if (argc > 2) | |
3316 | { | |
fe920472 | 3317 | arg = argv[2]; |
3443e1be | 3318 | argc -= 2; |
fe920472 | 3319 | argv += 2; |
3443e1be | 3320 | } |
3321 | else | |
3322 | fatal ("`-%c' option must have argument", opt); | |
3323 | if (opt == 'V') | |
3324 | new_version = arg; | |
3325 | else | |
3326 | new_machine = arg; | |
3327 | } | |
3328 | ||
fe920472 | 3329 | for (baselen = strlen (progname); baselen > 0; baselen--) |
3330 | if (IS_DIR_SEPARATOR (progname[baselen-1])) | |
3443e1be | 3331 | break; |
fe920472 | 3332 | new_argv0 = xmemdup (progname, baselen, |
3443e1be | 3333 | baselen + concat_length (new_version, new_machine, |
3334 | "-gcc-", NULL) + 1); | |
3335 | strcpy (new_argv0 + baselen, new_machine); | |
3336 | strcat (new_argv0, "-gcc-"); | |
3337 | strcat (new_argv0, new_version); | |
3338 | ||
fe920472 | 3339 | new_argv = xmemdup (argv, (argc + 1) * sizeof (argv[0]), |
3340 | (argc + 1) * sizeof (argv[0])); | |
3443e1be | 3341 | new_argv[0] = new_argv0; |
3342 | ||
3343 | execvp (new_argv0, new_argv); | |
fe920472 | 3344 | fatal ("couldn't run `%s': %s", new_argv0, xstrerror (errno)); |
3443e1be | 3345 | } |
3346 | ||
b155ba2f | 3347 | /* Set up the default search paths. If there is no GCC_EXEC_PREFIX, |
3348 | see if we can create it from the pathname specified in argv[0]. */ | |
3349 | ||
3350 | #ifndef VMS | |
3351 | /* FIXME: make_relative_prefix doesn't yet work for VMS. */ | |
3352 | if (!gcc_exec_prefix) | |
3353 | { | |
3354 | gcc_exec_prefix = make_relative_prefix (argv[0], standard_bindir_prefix, | |
3355 | standard_exec_prefix); | |
3356 | if (gcc_exec_prefix) | |
4e2023c8 | 3357 | putenv (concat ("GCC_EXEC_PREFIX=", gcc_exec_prefix, NULL)); |
b155ba2f | 3358 | } |
3359 | #endif | |
d7a9644e | 3360 | |
bfef3e2f | 3361 | if (gcc_exec_prefix) |
d7a9644e | 3362 | { |
055237ef | 3363 | int len = strlen (gcc_exec_prefix); |
7d3bd8c0 | 3364 | |
026f2c7a | 3365 | if (len > (int) sizeof ("/lib/gcc-lib/") - 1 |
79b23a1e | 3366 | && (IS_DIR_SEPARATOR (gcc_exec_prefix[len-1]))) |
055237ef | 3367 | { |
3368 | temp = gcc_exec_prefix + len - sizeof ("/lib/gcc-lib/") + 1; | |
79b23a1e | 3369 | if (IS_DIR_SEPARATOR (*temp) |
026f2c7a | 3370 | && strncmp (temp + 1, "lib", 3) == 0 |
79b23a1e | 3371 | && IS_DIR_SEPARATOR (temp[4]) |
026f2c7a | 3372 | && strncmp (temp + 5, "gcc-lib", 7) == 0) |
055237ef | 3373 | len -= sizeof ("/lib/gcc-lib/") - 1; |
3374 | } | |
3375 | ||
3376 | set_std_prefix (gcc_exec_prefix, len); | |
acd84059 | 3377 | add_prefix (&exec_prefixes, gcc_exec_prefix, "GCC", |
c954ff02 | 3378 | PREFIX_PRIORITY_LAST, 0, NULL, 0); |
acd84059 | 3379 | add_prefix (&startfile_prefixes, gcc_exec_prefix, "GCC", |
c954ff02 | 3380 | PREFIX_PRIORITY_LAST, 0, NULL, 0); |
d7a9644e | 3381 | } |
3382 | ||
3383 | /* COMPILER_PATH and LIBRARY_PATH have values | |
3384 | that are lists of directory names with colons. */ | |
3385 | ||
f16449b7 | 3386 | GET_ENVIRONMENT (temp, "COMPILER_PATH"); |
d7a9644e | 3387 | if (temp) |
3388 | { | |
e40d43cc | 3389 | const char *startp, *endp; |
d7a9644e | 3390 | char *nstore = (char *) alloca (strlen (temp) + 3); |
3391 | ||
3392 | startp = endp = temp; | |
3393 | while (1) | |
3394 | { | |
99b832c9 | 3395 | if (*endp == PATH_SEPARATOR || *endp == 0) |
d7a9644e | 3396 | { |
026f2c7a | 3397 | strncpy (nstore, startp, endp - startp); |
d7a9644e | 3398 | if (endp == startp) |
4e2023c8 | 3399 | strcpy (nstore, concat (".", dir_separator_str, NULL)); |
79b23a1e | 3400 | else if (!IS_DIR_SEPARATOR (endp[-1])) |
d7a9644e | 3401 | { |
026f2c7a | 3402 | nstore[endp - startp] = DIR_SEPARATOR; |
3403 | nstore[endp - startp + 1] = 0; | |
d7a9644e | 3404 | } |
3405 | else | |
026f2c7a | 3406 | nstore[endp - startp] = 0; |
acd84059 | 3407 | add_prefix (&exec_prefixes, nstore, 0, |
c954ff02 | 3408 | PREFIX_PRIORITY_LAST, 0, NULL, 0); |
94ca3aab | 3409 | add_prefix (&include_prefixes, |
4e2023c8 | 3410 | concat (nstore, "include", NULL), |
c954ff02 | 3411 | 0, PREFIX_PRIORITY_LAST, 0, NULL, 0); |
d7a9644e | 3412 | if (*endp == 0) |
3413 | break; | |
3414 | endp = startp = endp + 1; | |
3415 | } | |
3416 | else | |
3417 | endp++; | |
3418 | } | |
3419 | } | |
3420 | ||
f16449b7 | 3421 | GET_ENVIRONMENT (temp, LIBRARY_PATH_ENV); |
c6456dcd | 3422 | if (temp && *cross_compile == '0') |
d7a9644e | 3423 | { |
e40d43cc | 3424 | const char *startp, *endp; |
d7a9644e | 3425 | char *nstore = (char *) alloca (strlen (temp) + 3); |
3426 | ||
3427 | startp = endp = temp; | |
3428 | while (1) | |
3429 | { | |
99b832c9 | 3430 | if (*endp == PATH_SEPARATOR || *endp == 0) |
d7a9644e | 3431 | { |
026f2c7a | 3432 | strncpy (nstore, startp, endp - startp); |
d7a9644e | 3433 | if (endp == startp) |
4e2023c8 | 3434 | strcpy (nstore, concat (".", dir_separator_str, NULL)); |
79b23a1e | 3435 | else if (!IS_DIR_SEPARATOR (endp[-1])) |
d7a9644e | 3436 | { |
026f2c7a | 3437 | nstore[endp - startp] = DIR_SEPARATOR; |
3438 | nstore[endp - startp + 1] = 0; | |
d7a9644e | 3439 | } |
3440 | else | |
026f2c7a | 3441 | nstore[endp - startp] = 0; |
d946ea19 | 3442 | add_prefix (&startfile_prefixes, nstore, NULL, |
c954ff02 | 3443 | PREFIX_PRIORITY_LAST, 0, NULL, 1); |
d7a9644e | 3444 | if (*endp == 0) |
3445 | break; | |
3446 | endp = startp = endp + 1; | |
3447 | } | |
3448 | else | |
3449 | endp++; | |
3450 | } | |
3451 | } | |
3452 | ||
3453 | /* Use LPATH like LIBRARY_PATH (for the CMU build program). */ | |
f16449b7 | 3454 | GET_ENVIRONMENT (temp, "LPATH"); |
c6456dcd | 3455 | if (temp && *cross_compile == '0') |
d7a9644e | 3456 | { |
e40d43cc | 3457 | const char *startp, *endp; |
d7a9644e | 3458 | char *nstore = (char *) alloca (strlen (temp) + 3); |
3459 | ||
3460 | startp = endp = temp; | |
3461 | while (1) | |
3462 | { | |
99b832c9 | 3463 | if (*endp == PATH_SEPARATOR || *endp == 0) |
d7a9644e | 3464 | { |
026f2c7a | 3465 | strncpy (nstore, startp, endp - startp); |
d7a9644e | 3466 | if (endp == startp) |
4e2023c8 | 3467 | strcpy (nstore, concat (".", dir_separator_str, NULL)); |
79b23a1e | 3468 | else if (!IS_DIR_SEPARATOR (endp[-1])) |
d7a9644e | 3469 | { |
026f2c7a | 3470 | nstore[endp - startp] = DIR_SEPARATOR; |
3471 | nstore[endp - startp + 1] = 0; | |
d7a9644e | 3472 | } |
3473 | else | |
026f2c7a | 3474 | nstore[endp - startp] = 0; |
d946ea19 | 3475 | add_prefix (&startfile_prefixes, nstore, NULL, |
c954ff02 | 3476 | PREFIX_PRIORITY_LAST, 0, NULL, 1); |
d7a9644e | 3477 | if (*endp == 0) |
3478 | break; | |
3479 | endp = startp = endp + 1; | |
3480 | } | |
3481 | else | |
3482 | endp++; | |
3483 | } | |
3484 | } | |
3485 | ||
62daf19f | 3486 | /* Convert new-style -- options to old-style. */ |
3487 | translate_options (&argc, &argv); | |
3488 | ||
4813bdd4 | 3489 | /* Do language-specific adjustment/addition of flags. */ |
7f0b0c27 | 3490 | lang_specific_driver (&argc, &argv, &added_libraries); |
4813bdd4 | 3491 | |
d7a9644e | 3492 | /* Scan argv twice. Here, the first time, just count how many switches |
3493 | there will be in their vector, and how many input files in theirs. | |
3494 | Here we also parse the switches that cc itself uses (e.g. -v). */ | |
3495 | ||
3496 | for (i = 1; i < argc; i++) | |
3497 | { | |
3498 | if (! strcmp (argv[i], "-dumpspecs")) | |
3499 | { | |
988c0ffe | 3500 | struct spec_list *sl; |
810309ce | 3501 | init_spec (); |
988c0ffe | 3502 | for (sl = specs; sl; sl = sl->next) |
3503 | printf ("*%s:\n%s\n\n", sl->name, *(sl->ptr_spec)); | |
026f2c7a | 3504 | if (link_command_spec) |
3505 | printf ("*link_command:\n%s\n\n", link_command_spec); | |
d7a9644e | 3506 | exit (0); |
3507 | } | |
3508 | else if (! strcmp (argv[i], "-dumpversion")) | |
3509 | { | |
997d68fe | 3510 | printf ("%s\n", spec_version); |
d7a9644e | 3511 | exit (0); |
3512 | } | |
1591f84a | 3513 | else if (! strcmp (argv[i], "-dumpmachine")) |
3514 | { | |
3515 | printf ("%s\n", spec_machine); | |
026f2c7a | 3516 | exit (0); |
1591f84a | 3517 | } |
6e50451f | 3518 | else if (strcmp (argv[i], "-fversion") == 0) |
3519 | { | |
3520 | /* translate_options () has turned --version into -fversion. */ | |
3521 | printf (_("%s (GCC) %s\n"), programname, version_string); | |
3522 | fputs (_("Copyright (C) 2002 Free Software Foundation, Inc.\n"), | |
3523 | stdout); | |
3524 | fputs (_("This is free software; see the source for copying conditions. There is NO\n\ | |
3525 | warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.\n\n"), | |
3526 | stdout); | |
3527 | exit (0); | |
3528 | } | |
8ace789a | 3529 | else if (strcmp (argv[i], "-fhelp") == 0) |
3530 | { | |
3531 | /* translate_options () has turned --help into -fhelp. */ | |
3532 | print_help_list = 1; | |
3533 | ||
3534 | /* We will be passing a dummy file on to the sub-processes. */ | |
3535 | n_infiles++; | |
3536 | n_switches++; | |
2c815aff | 3537 | |
258d3911 | 3538 | /* CPP driver cannot obtain switch from cc1_options. */ |
3539 | if (is_cpp_driver) | |
3540 | add_preprocessor_option ("--help", 6); | |
8ace789a | 3541 | add_assembler_option ("--help", 6); |
3542 | add_linker_option ("--help", 6); | |
3543 | } | |
7a6882ca | 3544 | else if (strcmp (argv[i], "-ftarget-help") == 0) |
3cfec666 | 3545 | { |
3546 | /* translate_options() has turned --target-help into -ftarget-help. */ | |
3547 | target_help_flag = 1; | |
7a6882ca | 3548 | |
3cfec666 | 3549 | /* We will be passing a dummy file on to the sub-processes. */ |
3550 | n_infiles++; | |
3551 | n_switches++; | |
7a6882ca | 3552 | |
258d3911 | 3553 | /* CPP driver cannot obtain switch from cc1_options. */ |
3554 | if (is_cpp_driver) | |
3555 | add_preprocessor_option ("--target-help", 13); | |
3cfec666 | 3556 | add_assembler_option ("--target-help", 13); |
3557 | add_linker_option ("--target-help", 13); | |
3558 | } | |
155b05dc | 3559 | else if (! strcmp (argv[i], "-pass-exit-codes")) |
3560 | { | |
3561 | pass_exit_codes = 1; | |
3562 | n_switches++; | |
3563 | } | |
71cee7b1 | 3564 | else if (! strcmp (argv[i], "-print-search-dirs")) |
3565 | print_search_dirs = 1; | |
5e3dea2b | 3566 | else if (! strcmp (argv[i], "-print-libgcc-file-name")) |
71cee7b1 | 3567 | print_file_name = "libgcc.a"; |
1c1a1c70 | 3568 | else if (! strncmp (argv[i], "-print-file-name=", 17)) |
71cee7b1 | 3569 | print_file_name = argv[i] + 17; |
1c1a1c70 | 3570 | else if (! strncmp (argv[i], "-print-prog-name=", 17)) |
71cee7b1 | 3571 | print_prog_name = argv[i] + 17; |
9577d478 | 3572 | else if (! strcmp (argv[i], "-print-multi-lib")) |
3573 | print_multi_lib = 1; | |
3574 | else if (! strcmp (argv[i], "-print-multi-directory")) | |
3575 | print_multi_directory = 1; | |
c954ff02 | 3576 | else if (! strcmp (argv[i], "-print-multi-os-directory")) |
3577 | print_multi_os_directory = 1; | |
69587571 | 3578 | else if (! strncmp (argv[i], "-Wa,", 4)) |
3579 | { | |
3580 | int prev, j; | |
3581 | /* Pass the rest of this option to the assembler. */ | |
3582 | ||
69587571 | 3583 | /* Split the argument at commas. */ |
3584 | prev = 4; | |
3585 | for (j = 4; argv[i][j]; j++) | |
3586 | if (argv[i][j] == ',') | |
3587 | { | |
8ace789a | 3588 | add_assembler_option (argv[i] + prev, j - prev); |
69587571 | 3589 | prev = j + 1; |
3590 | } | |
2c815aff | 3591 | |
69587571 | 3592 | /* Record the part after the last comma. */ |
8ace789a | 3593 | add_assembler_option (argv[i] + prev, j - prev); |
69587571 | 3594 | } |
391d9b6e | 3595 | else if (! strncmp (argv[i], "-Wp,", 4)) |
3596 | { | |
3597 | int prev, j; | |
3598 | /* Pass the rest of this option to the preprocessor. */ | |
3599 | ||
391d9b6e | 3600 | /* Split the argument at commas. */ |
3601 | prev = 4; | |
3602 | for (j = 4; argv[i][j]; j++) | |
3603 | if (argv[i][j] == ',') | |
3604 | { | |
8ace789a | 3605 | add_preprocessor_option (argv[i] + prev, j - prev); |
391d9b6e | 3606 | prev = j + 1; |
3607 | } | |
2c815aff | 3608 | |
391d9b6e | 3609 | /* Record the part after the last comma. */ |
8ace789a | 3610 | add_preprocessor_option (argv[i] + prev, j - prev); |
391d9b6e | 3611 | } |
2266b13d | 3612 | else if (argv[i][0] == '+' && argv[i][1] == 'e') |
62daf19f | 3613 | /* The +e options to the C++ front-end. */ |
2266b13d | 3614 | n_switches++; |
fcdc45aa | 3615 | else if (strncmp (argv[i], "-Wl,", 4) == 0) |
4c4f1912 | 3616 | { |
3617 | int j; | |
3618 | /* Split the argument at commas. */ | |
3619 | for (j = 3; argv[i][j]; j++) | |
3620 | n_infiles += (argv[i][j] == ','); | |
3621 | } | |
fcdc45aa | 3622 | else if (strcmp (argv[i], "-Xlinker") == 0) |
3623 | { | |
3624 | if (i + 1 == argc) | |
3625 | fatal ("argument to `-Xlinker' is missing"); | |
3626 | ||
6f38252e | 3627 | n_infiles++; |
3628 | i++; | |
3629 | } | |
3630 | else if (strcmp (argv[i], "-l") == 0) | |
3631 | { | |
3632 | if (i + 1 == argc) | |
3633 | fatal ("argument to `-l' is missing"); | |
3634 | ||
fcdc45aa | 3635 | n_infiles++; |
3636 | i++; | |
3637 | } | |
3638 | else if (strncmp (argv[i], "-l", 2) == 0) | |
3639 | n_infiles++; | |
e71cc307 | 3640 | else if (strcmp (argv[i], "-save-temps") == 0) |
3641 | { | |
3642 | save_temps_flag = 1; | |
3643 | n_switches++; | |
3644 | } | |
9d70d39c | 3645 | else if (strcmp (argv[i], "-specs") == 0) |
3646 | { | |
3647 | struct user_specs *user = (struct user_specs *) | |
3648 | xmalloc (sizeof (struct user_specs)); | |
3649 | if (++i >= argc) | |
3650 | fatal ("argument to `-specs' is missing"); | |
3651 | ||
2c815aff | 3652 | user->next = (struct user_specs *) 0; |
9d70d39c | 3653 | user->filename = argv[i]; |
3654 | if (user_specs_tail) | |
3655 | user_specs_tail->next = user; | |
3656 | else | |
3657 | user_specs_head = user; | |
3658 | user_specs_tail = user; | |
3659 | } | |
3660 | else if (strncmp (argv[i], "-specs=", 7) == 0) | |
3661 | { | |
3662 | struct user_specs *user = (struct user_specs *) | |
3663 | xmalloc (sizeof (struct user_specs)); | |
3664 | if (strlen (argv[i]) == 7) | |
3665 | fatal ("argument to `-specs=' is missing"); | |
3666 | ||
2c815aff | 3667 | user->next = (struct user_specs *) 0; |
026f2c7a | 3668 | user->filename = argv[i] + 7; |
9d70d39c | 3669 | if (user_specs_tail) |
3670 | user_specs_tail->next = user; | |
3671 | else | |
3672 | user_specs_head = user; | |
3673 | user_specs_tail = user; | |
3674 | } | |
a876e5f8 | 3675 | else if (strcmp (argv[i], "-time") == 0) |
3676 | report_times = 1; | |
74e4079a | 3677 | else if (strcmp (argv[i], "-###") == 0) |
3678 | { | |
3679 | /* This is similar to -v except that there is no execution | |
3680 | of the commands and the echoed arguments are quoted. It | |
3681 | is intended for use in shell scripts to capture the | |
3682 | driver-generated command line. */ | |
3683 | verbose_only_flag++; | |
3684 | verbose_flag++; | |
3685 | } | |
fcdc45aa | 3686 | else if (argv[i][0] == '-' && argv[i][1] != 0) |
d7a9644e | 3687 | { |
19cb6b50 | 3688 | const char *p = &argv[i][1]; |
3689 | int c = *p; | |
d7a9644e | 3690 | |
3691 | switch (c) | |
3692 | { | |
3693 | case 'b': | |
3443e1be | 3694 | case 'V': |
3695 | fatal ("`-%c' must come at the start of the command line", c); | |
d7a9644e | 3696 | break; |
3697 | ||
3698 | case 'B': | |
3699 | { | |
2508fdc3 | 3700 | const char *value; |
68a20780 | 3701 | int len; |
3702 | ||
d7a9644e | 3703 | if (p[1] == 0 && i + 1 == argc) |
3704 | fatal ("argument to `-B' is missing"); | |
3705 | if (p[1] == 0) | |
3706 | value = argv[++i]; | |
3707 | else | |
3708 | value = p + 1; | |
68a20780 | 3709 | |
3710 | len = strlen (value); | |
3711 | ||
3712 | /* Catch the case where the user has forgotten to append a | |
9bccb7a3 | 3713 | directory separator to the path. Note, they may be using |
68a20780 | 3714 | -B to add an executable name prefix, eg "i386-elf-", in |
3715 | order to distinguish between multiple installations of | |
3716 | GCC in the same directory. Hence we must check to see | |
3717 | if appending a directory separator actually makes a | |
3718 | valid directory name. */ | |
3719 | if (! IS_DIR_SEPARATOR (value [len - 1]) | |
3720 | && is_directory (value, "", 0)) | |
3721 | { | |
6e1bbca9 | 3722 | char *tmp = xmalloc (len + 2); |
3723 | strcpy (tmp, value); | |
3724 | tmp[len] = DIR_SEPARATOR; | |
3725 | tmp[++ len] = 0; | |
3726 | value = tmp; | |
68a20780 | 3727 | } |
3cfec666 | 3728 | |
68a20780 | 3729 | /* As a kludge, if the arg is "[foo/]stageN/", just |
3730 | add "[foo/]include" to the include prefix. */ | |
3731 | if ((len == 7 | |
3732 | || (len > 7 | |
3733 | && (IS_DIR_SEPARATOR (value[len - 8])))) | |
3734 | && strncmp (value + len - 7, "stage", 5) == 0 | |
3735 | && ISDIGIT (value[len - 2]) | |
3736 | && (IS_DIR_SEPARATOR (value[len - 1]))) | |
3737 | { | |
3738 | if (len == 7) | |
3739 | add_prefix (&include_prefixes, "include", NULL, | |
c954ff02 | 3740 | PREFIX_PRIORITY_B_OPT, 0, NULL, 0); |
68a20780 | 3741 | else |
3742 | { | |
3743 | char * string = xmalloc (len + 1); | |
3744 | ||
3745 | strncpy (string, value, len - 7); | |
3746 | strcpy (string + len - 7, "include"); | |
3747 | add_prefix (&include_prefixes, string, NULL, | |
c954ff02 | 3748 | PREFIX_PRIORITY_B_OPT, 0, NULL, 0); |
68a20780 | 3749 | } |
3750 | } | |
3751 | ||
d946ea19 | 3752 | add_prefix (&exec_prefixes, value, NULL, |
c954ff02 | 3753 | PREFIX_PRIORITY_B_OPT, 0, &warn_B, 0); |
d946ea19 | 3754 | add_prefix (&startfile_prefixes, value, NULL, |
c954ff02 | 3755 | PREFIX_PRIORITY_B_OPT, 0, &warn_B, 0); |
4e2023c8 | 3756 | add_prefix (&include_prefixes, concat (value, "include", NULL), |
c954ff02 | 3757 | NULL, PREFIX_PRIORITY_B_OPT, 0, NULL, 0); |
026f2c7a | 3758 | n_switches++; |
d7a9644e | 3759 | } |
3760 | break; | |
3761 | ||
3762 | case 'v': /* Print our subcommands and print versions. */ | |
d7a9644e | 3763 | n_switches++; |
3e4aaf67 | 3764 | /* If they do anything other than exactly `-v', don't set |
3765 | verbose_flag; rather, continue on to give the error. */ | |
3766 | if (p[1] != 0) | |
3767 | break; | |
3768 | verbose_flag++; | |
d7a9644e | 3769 | break; |
3770 | ||
42fe96d7 | 3771 | case 'S': |
e71cc307 | 3772 | case 'c': |
3773 | if (p[1] == 0) | |
d7a9644e | 3774 | { |
e71cc307 | 3775 | have_c = 1; |
bfef3e2f | 3776 | n_switches++; |
d7a9644e | 3777 | break; |
3778 | } | |
4ac725ee | 3779 | goto normal_switch; |
53ff1753 | 3780 | |
53ff1753 | 3781 | case 'o': |
3782 | have_o = 1; | |
10f57222 | 3783 | #if defined(HAVE_TARGET_EXECUTABLE_SUFFIX) |
42fe96d7 | 3784 | if (! have_c) |
3785 | { | |
3786 | int skip; | |
2c815aff | 3787 | |
42fe96d7 | 3788 | /* Forward scan, just in case -S or -c is specified |
3789 | after -o. */ | |
3790 | int j = i + 1; | |
3791 | if (p[1] == 0) | |
3792 | ++j; | |
3793 | while (j < argc) | |
3794 | { | |
3795 | if (argv[j][0] == '-') | |
3796 | { | |
3797 | if (SWITCH_CURTAILS_COMPILATION (argv[j][1]) | |
3798 | && argv[j][2] == 0) | |
3799 | { | |
3800 | have_c = 1; | |
3801 | break; | |
3802 | } | |
f7359493 | 3803 | else if ((skip = SWITCH_TAKES_ARG (argv[j][1]))) |
42fe96d7 | 3804 | j += skip - (argv[j][2] != 0); |
f7359493 | 3805 | else if ((skip = WORD_SWITCH_TAKES_ARG (argv[j] + 1))) |
42fe96d7 | 3806 | j += skip; |
3807 | } | |
3808 | j++; | |
3809 | } | |
3810 | } | |
3811 | #endif | |
10f57222 | 3812 | #if defined(HAVE_TARGET_EXECUTABLE_SUFFIX) || defined(HAVE_TARGET_OBJECT_SUFFIX) |
2e58e75e | 3813 | if (p[1] == 0) |
c5025ad6 | 3814 | argv[i + 1] = convert_filename (argv[i + 1], ! have_c, 0); |
42fe96d7 | 3815 | else |
c5025ad6 | 3816 | argv[i] = convert_filename (argv[i], ! have_c, 0); |
2e58e75e | 3817 | #endif |
4ac725ee | 3818 | goto normal_switch; |
53ff1753 | 3819 | |
d7a9644e | 3820 | default: |
4ac725ee | 3821 | normal_switch: |
d2537617 | 3822 | |
3823 | #ifdef MODIFY_TARGET_NAME | |
3824 | is_modify_target_name = 0; | |
3825 | ||
3585dac7 | 3826 | for (j = 0; j < ARRAY_SIZE (modify_target); j++) |
d2537617 | 3827 | if (! strcmp (argv[i], modify_target[j].sw)) |
3828 | { | |
3829 | char *new_name | |
3830 | = (char *) xmalloc (strlen (modify_target[j].str) | |
3831 | + strlen (spec_machine)); | |
3832 | const char *p, *r; | |
3833 | char *q; | |
3834 | int made_addition = 0; | |
3835 | ||
3836 | is_modify_target_name = 1; | |
3837 | for (p = spec_machine, q = new_name; *p != 0; ) | |
3838 | { | |
3839 | if (modify_target[j].add_del == DELETE | |
3840 | && (! strncmp (q, modify_target[j].str, | |
3841 | strlen (modify_target[j].str)))) | |
3842 | p += strlen (modify_target[j].str); | |
3843 | else if (modify_target[j].add_del == ADD | |
3844 | && ! made_addition && *p == '-') | |
3845 | { | |
3846 | for (r = modify_target[j].str; *r != 0; ) | |
3847 | *q++ = *r++; | |
3848 | made_addition = 1; | |
3849 | } | |
3850 | ||
3851 | *q++ = *p++; | |
3852 | } | |
3853 | ||
3854 | spec_machine = new_name; | |
3855 | } | |
3856 | ||
3857 | if (is_modify_target_name) | |
3858 | break; | |
3cfec666 | 3859 | #endif |
d2537617 | 3860 | |
d7a9644e | 3861 | n_switches++; |
3862 | ||
3863 | if (SWITCH_TAKES_ARG (c) > (p[1] != 0)) | |
3864 | i += SWITCH_TAKES_ARG (c) - (p[1] != 0); | |
3865 | else if (WORD_SWITCH_TAKES_ARG (p)) | |
3866 | i += WORD_SWITCH_TAKES_ARG (p); | |
3867 | } | |
3868 | } | |
3869 | else | |
e71cc307 | 3870 | { |
3871 | n_infiles++; | |
3872 | lang_n_infiles++; | |
3873 | } | |
d7a9644e | 3874 | } |
3875 | ||
e71cc307 | 3876 | if (have_c && have_o && lang_n_infiles > 1) |
aa01fa7e | 3877 | fatal ("cannot specify -o with -c or -S and multiple compilations"); |
53ff1753 | 3878 | |
d7a9644e | 3879 | /* Set up the search paths before we go looking for config files. */ |
3880 | ||
3881 | /* These come before the md prefixes so that we will find gcc's subcommands | |
3882 | (such as cpp) rather than those of the host system. */ | |
3ec1fc1b | 3883 | /* Use 2 as fourth arg meaning try just the machine as a suffix, |
3884 | as well as trying the machine and the version. */ | |
b9374a77 | 3885 | #ifndef OS2 |
155b05dc | 3886 | add_prefix (&exec_prefixes, standard_exec_prefix, "GCC", |
c954ff02 | 3887 | PREFIX_PRIORITY_LAST, 1, warn_std_ptr, 0); |
0dbd1c74 | 3888 | add_prefix (&exec_prefixes, standard_exec_prefix, "BINUTILS", |
c954ff02 | 3889 | PREFIX_PRIORITY_LAST, 2, warn_std_ptr, 0); |
0dbd1c74 | 3890 | add_prefix (&exec_prefixes, standard_exec_prefix_1, "BINUTILS", |
c954ff02 | 3891 | PREFIX_PRIORITY_LAST, 2, warn_std_ptr, 0); |
b9374a77 | 3892 | #endif |
d7a9644e | 3893 | |
0dbd1c74 | 3894 | add_prefix (&startfile_prefixes, standard_exec_prefix, "BINUTILS", |
c954ff02 | 3895 | PREFIX_PRIORITY_LAST, 1, warn_std_ptr, 0); |
0dbd1c74 | 3896 | add_prefix (&startfile_prefixes, standard_exec_prefix_1, "BINUTILS", |
c954ff02 | 3897 | PREFIX_PRIORITY_LAST, 1, warn_std_ptr, 0); |
d7a9644e | 3898 | |
2c815aff | 3899 | tooldir_prefix = concat (tooldir_base_prefix, spec_machine, |
4e2023c8 | 3900 | dir_separator_str, NULL); |
6c6aff9e | 3901 | |
b9374a77 | 3902 | /* If tooldir is relative, base it on exec_prefixes. A relative |
6c6aff9e | 3903 | tooldir lets us move the installed tree as a unit. |
3904 | ||
3905 | If GCC_EXEC_PREFIX is defined, then we want to add two relative | |
3906 | directories, so that we can search both the user specified directory | |
3907 | and the standard place. */ | |
3908 | ||
7d3bd8c0 | 3909 | if (!IS_ABSOLUTE_PATHNAME (tooldir_prefix)) |
6c6aff9e | 3910 | { |
3911 | if (gcc_exec_prefix) | |
3912 | { | |
3913 | char *gcc_exec_tooldir_prefix | |
3441e5dd | 3914 | = concat (gcc_exec_prefix, spec_machine, dir_separator_str, |
4e2023c8 | 3915 | spec_version, dir_separator_str, tooldir_prefix, NULL); |
6c6aff9e | 3916 | |
b9374a77 | 3917 | add_prefix (&exec_prefixes, |
2c815aff | 3918 | concat (gcc_exec_tooldir_prefix, "bin", |
4e2023c8 | 3919 | dir_separator_str, NULL), |
c954ff02 | 3920 | NULL, PREFIX_PRIORITY_LAST, 0, NULL, 0); |
b9374a77 | 3921 | add_prefix (&startfile_prefixes, |
2c815aff | 3922 | concat (gcc_exec_tooldir_prefix, "lib", |
4e2023c8 | 3923 | dir_separator_str, NULL), |
c954ff02 | 3924 | NULL, PREFIX_PRIORITY_LAST, 0, NULL, 1); |
6c6aff9e | 3925 | } |
3926 | ||
3441e5dd | 3927 | tooldir_prefix = concat (standard_exec_prefix, spec_machine, |
2c815aff | 3928 | dir_separator_str, spec_version, |
4e2023c8 | 3929 | dir_separator_str, tooldir_prefix, NULL); |
6c6aff9e | 3930 | } |
3931 | ||
2c815aff | 3932 | add_prefix (&exec_prefixes, |
4e2023c8 | 3933 | concat (tooldir_prefix, "bin", dir_separator_str, NULL), |
c954ff02 | 3934 | "BINUTILS", PREFIX_PRIORITY_LAST, 0, NULL, 0); |
b9374a77 | 3935 | add_prefix (&startfile_prefixes, |
4e2023c8 | 3936 | concat (tooldir_prefix, "lib", dir_separator_str, NULL), |
c954ff02 | 3937 | "BINUTILS", PREFIX_PRIORITY_LAST, 0, NULL, 1); |
06e67e16 | 3938 | |
a45072dd | 3939 | /* More prefixes are enabled in main, after we read the specs file |
3940 | and determine whether this is cross-compilation or not. */ | |
d7a9644e | 3941 | |
d7a9644e | 3942 | /* Then create the space for the vectors and scan again. */ |
3943 | ||
3944 | switches = ((struct switchstr *) | |
3945 | xmalloc ((n_switches + 1) * sizeof (struct switchstr))); | |
3946 | infiles = (struct infile *) xmalloc ((n_infiles + 1) * sizeof (struct infile)); | |
3947 | n_switches = 0; | |
3948 | n_infiles = 0; | |
3949 | last_language_n_infiles = -1; | |
3950 | ||
3951 | /* This, time, copy the text of each switch and store a pointer | |
3952 | to the copy in the vector of switches. | |
3953 | Store all the infiles in their vector. */ | |
3954 | ||
3955 | for (i = 1; i < argc; i++) | |
3956 | { | |
9cab0da7 | 3957 | /* Just skip the switches that were handled by the preceding loop. */ |
d2537617 | 3958 | #ifdef MODIFY_TARGET_NAME |
3959 | is_modify_target_name = 0; | |
3960 | ||
3585dac7 | 3961 | for (j = 0; j < ARRAY_SIZE (modify_target); j++) |
d2537617 | 3962 | if (! strcmp (argv[i], modify_target[j].sw)) |
3963 | is_modify_target_name = 1; | |
3964 | ||
3965 | if (is_modify_target_name) | |
3966 | ; | |
3967 | else | |
3968 | #endif | |
fcdc45aa | 3969 | if (! strncmp (argv[i], "-Wa,", 4)) |
9cab0da7 | 3970 | ; |
391d9b6e | 3971 | else if (! strncmp (argv[i], "-Wp,", 4)) |
3972 | ; | |
155b05dc | 3973 | else if (! strcmp (argv[i], "-pass-exit-codes")) |
3974 | ; | |
71cee7b1 | 3975 | else if (! strcmp (argv[i], "-print-search-dirs")) |
3976 | ; | |
5e3dea2b | 3977 | else if (! strcmp (argv[i], "-print-libgcc-file-name")) |
9cab0da7 | 3978 | ; |
1c1a1c70 | 3979 | else if (! strncmp (argv[i], "-print-file-name=", 17)) |
3980 | ; | |
3981 | else if (! strncmp (argv[i], "-print-prog-name=", 17)) | |
3982 | ; | |
9577d478 | 3983 | else if (! strcmp (argv[i], "-print-multi-lib")) |
3984 | ; | |
3985 | else if (! strcmp (argv[i], "-print-multi-directory")) | |
3986 | ; | |
c954ff02 | 3987 | else if (! strcmp (argv[i], "-print-multi-os-directory")) |
3988 | ; | |
258d3911 | 3989 | else if (! strcmp (argv[i], "-ftarget-help")) |
3990 | ; | |
3991 | else if (! strcmp (argv[i], "-fhelp")) | |
3992 | ; | |
5caedb3c | 3993 | else if (argv[i][0] == '+' && argv[i][1] == 'e') |
3994 | { | |
3995 | /* Compensate for the +e options to the C++ front-end; | |
91a48688 | 3996 | they're there simply for cfront call-compatibility. We do |
5caedb3c | 3997 | some magic in default_compilers to pass them down properly. |
3998 | Note we deliberately start at the `+' here, to avoid passing | |
3999 | -e0 or -e1 down into the linker. */ | |
4000 | switches[n_switches].part1 = &argv[i][0]; | |
4001 | switches[n_switches].args = 0; | |
4a10d696 | 4002 | switches[n_switches].live_cond = SWITCH_OK; |
be2828ce | 4003 | switches[n_switches].validated = 0; |
5caedb3c | 4004 | n_switches++; |
4005 | } | |
fcdc45aa | 4006 | else if (strncmp (argv[i], "-Wl,", 4) == 0) |
4007 | { | |
4c4f1912 | 4008 | int prev, j; |
4009 | /* Split the argument at commas. */ | |
4010 | prev = 4; | |
4011 | for (j = 4; argv[i][j]; j++) | |
4012 | if (argv[i][j] == ',') | |
4013 | { | |
997d68fe | 4014 | infiles[n_infiles].language = "*"; |
4c4f1912 | 4015 | infiles[n_infiles++].name |
4016 | = save_string (argv[i] + prev, j - prev); | |
4017 | prev = j + 1; | |
4018 | } | |
4019 | /* Record the part after the last comma. */ | |
997d68fe | 4020 | infiles[n_infiles].language = "*"; |
4c4f1912 | 4021 | infiles[n_infiles++].name = argv[i] + prev; |
fcdc45aa | 4022 | } |
4023 | else if (strcmp (argv[i], "-Xlinker") == 0) | |
4024 | { | |
997d68fe | 4025 | infiles[n_infiles].language = "*"; |
fcdc45aa | 4026 | infiles[n_infiles++].name = argv[++i]; |
4027 | } | |
6f38252e | 4028 | else if (strcmp (argv[i], "-l") == 0) |
4029 | { /* POSIX allows separation of -l and the lib arg; | |
4030 | canonicalize by concatenating -l with its arg */ | |
4031 | infiles[n_infiles].language = "*"; | |
4e2023c8 | 4032 | infiles[n_infiles++].name = concat ("-l", argv[++i], NULL); |
6f38252e | 4033 | } |
fcdc45aa | 4034 | else if (strncmp (argv[i], "-l", 2) == 0) |
4035 | { | |
997d68fe | 4036 | infiles[n_infiles].language = "*"; |
fcdc45aa | 4037 | infiles[n_infiles++].name = argv[i]; |
4038 | } | |
9d70d39c | 4039 | else if (strcmp (argv[i], "-specs") == 0) |
4040 | i++; | |
4041 | else if (strncmp (argv[i], "-specs=", 7) == 0) | |
4042 | ; | |
a876e5f8 | 4043 | else if (strcmp (argv[i], "-time") == 0) |
4044 | ; | |
4045 | else if ((save_temps_flag || report_times) | |
4046 | && strcmp (argv[i], "-pipe") == 0) | |
4047 | { | |
4048 | /* -save-temps overrides -pipe, so that temp files are produced */ | |
4049 | if (save_temps_flag) | |
cb8bacb6 | 4050 | error ("warning: -pipe ignored because -save-temps specified"); |
3cfec666 | 4051 | /* -time overrides -pipe because we can't get correct stats when |
a876e5f8 | 4052 | multiple children are running at once. */ |
4053 | else if (report_times) | |
cb8bacb6 | 4054 | error ("warning: -pipe ignored because -time specified"); |
a876e5f8 | 4055 | } |
74e4079a | 4056 | else if (strcmp (argv[i], "-###") == 0) |
4057 | ; | |
fcdc45aa | 4058 | else if (argv[i][0] == '-' && argv[i][1] != 0) |
d7a9644e | 4059 | { |
2508fdc3 | 4060 | const char *p = &argv[i][1]; |
4061 | int c = *p; | |
d7a9644e | 4062 | |
d7a9644e | 4063 | if (c == 'x') |
4064 | { | |
4065 | if (p[1] == 0 && i + 1 == argc) | |
4066 | fatal ("argument to `-x' is missing"); | |
4067 | if (p[1] == 0) | |
4068 | spec_lang = argv[++i]; | |
4069 | else | |
4070 | spec_lang = p + 1; | |
4071 | if (! strcmp (spec_lang, "none")) | |
747bd44c | 4072 | /* Suppress the warning if -xnone comes after the last input |
4073 | file, because alternate command interfaces like g++ might | |
4074 | find it useful to place -xnone after each input file. */ | |
d7a9644e | 4075 | spec_lang = 0; |
4076 | else | |
4077 | last_language_n_infiles = n_infiles; | |
4078 | continue; | |
4079 | } | |
4080 | switches[n_switches].part1 = p; | |
4081 | /* Deal with option arguments in separate argv elements. */ | |
4082 | if ((SWITCH_TAKES_ARG (c) > (p[1] != 0)) | |
54959bb0 | 4083 | || WORD_SWITCH_TAKES_ARG (p)) |
4084 | { | |
4085 | int j = 0; | |
4086 | int n_args = WORD_SWITCH_TAKES_ARG (p); | |
d7a9644e | 4087 | |
54959bb0 | 4088 | if (n_args == 0) |
4089 | { | |
4090 | /* Count only the option arguments in separate argv elements. */ | |
4091 | n_args = SWITCH_TAKES_ARG (c) - (p[1] != 0); | |
4092 | } | |
4093 | if (i + n_args >= argc) | |
4094 | fatal ("argument to `-%s' is missing", p); | |
4095 | switches[n_switches].args | |
2508fdc3 | 4096 | = (const char **) xmalloc ((n_args + 1) * sizeof(const char *)); |
54959bb0 | 4097 | while (j < n_args) |
4098 | switches[n_switches].args[j++] = argv[++i]; | |
4099 | /* Null-terminate the vector. */ | |
4100 | switches[n_switches].args[j] = 0; | |
d7a9644e | 4101 | } |
78dbff7c | 4102 | else if (strchr (switches_need_spaces, c)) |
54959bb0 | 4103 | { |
08309729 | 4104 | /* On some systems, ld cannot handle some options without |
4105 | a space. So split the option from its argument. */ | |
4106 | char *part1 = (char *) xmalloc (2); | |
4107 | part1[0] = c; | |
4108 | part1[1] = '\0'; | |
2c815aff | 4109 | |
08309729 | 4110 | switches[n_switches].part1 = part1; |
2508fdc3 | 4111 | switches[n_switches].args |
4112 | = (const char **) xmalloc (2 * sizeof (const char *)); | |
47950139 | 4113 | switches[n_switches].args[0] = xstrdup (p+1); |
54959bb0 | 4114 | switches[n_switches].args[1] = 0; |
4115 | } | |
4116 | else | |
d7a9644e | 4117 | switches[n_switches].args = 0; |
cde688ab | 4118 | |
4a10d696 | 4119 | switches[n_switches].live_cond = SWITCH_OK; |
be2828ce | 4120 | switches[n_switches].validated = 0; |
63d882f5 | 4121 | switches[n_switches].ordering = 0; |
43198b29 | 4122 | /* These are always valid, since gcc.c itself understands it. */ |
4123 | if (!strcmp (p, "save-temps") | |
4124 | || !strcmp (p, "static-libgcc") | |
4125 | || !strcmp (p, "shared-libgcc")) | |
be2828ce | 4126 | switches[n_switches].validated = 1; |
026f2c7a | 4127 | else |
4128 | { | |
4129 | char ch = switches[n_switches].part1[0]; | |
3443e1be | 4130 | if (ch == 'B') |
026f2c7a | 4131 | switches[n_switches].validated = 1; |
4132 | } | |
d7a9644e | 4133 | n_switches++; |
4134 | } | |
4135 | else | |
4136 | { | |
10f57222 | 4137 | #ifdef HAVE_TARGET_OBJECT_SUFFIX |
c5025ad6 | 4138 | argv[i] = convert_filename (argv[i], 0, access (argv[i], F_OK)); |
9ec04dd9 | 4139 | #endif |
4140 | ||
6f5f452e | 4141 | if (strcmp (argv[i], "-") != 0 && access (argv[i], F_OK) < 0) |
d1a3c9a3 | 4142 | { |
4143 | perror_with_name (argv[i]); | |
4144 | error_count++; | |
4145 | } | |
4146 | else | |
4147 | { | |
4148 | infiles[n_infiles].language = spec_lang; | |
4149 | infiles[n_infiles++].name = argv[i]; | |
4150 | } | |
d7a9644e | 4151 | } |
4152 | } | |
4153 | ||
b0e7b414 | 4154 | if (n_infiles == last_language_n_infiles && spec_lang != 0) |
68435912 | 4155 | error ("warning: `-x %s' after last input file has no effect", spec_lang); |
d7a9644e | 4156 | |
258d3911 | 4157 | /* Ensure we only invoke each subprocess once. */ |
4158 | if (target_help_flag || print_help_list) | |
4159 | { | |
4160 | n_infiles = 1; | |
4161 | ||
4162 | /* Create a dummy input file, so that we can pass --target-help on to | |
4163 | the various sub-processes. */ | |
4164 | infiles[0].language = "c"; | |
4165 | infiles[0].name = "help-dummy"; | |
4166 | ||
4167 | if (target_help_flag) | |
4168 | { | |
4169 | switches[n_switches].part1 = "--target-help"; | |
4170 | switches[n_switches].args = 0; | |
4171 | switches[n_switches].live_cond = SWITCH_OK; | |
4172 | switches[n_switches].validated = 0; | |
4173 | ||
4174 | n_switches++; | |
4175 | } | |
4176 | ||
4177 | if (print_help_list) | |
4178 | { | |
4179 | switches[n_switches].part1 = "--help"; | |
4180 | switches[n_switches].args = 0; | |
4181 | switches[n_switches].live_cond = SWITCH_OK; | |
4182 | switches[n_switches].validated = 0; | |
4183 | ||
4184 | n_switches++; | |
4185 | } | |
4186 | } | |
4187 | ||
d7a9644e | 4188 | switches[n_switches].part1 = 0; |
4189 | infiles[n_infiles].name = 0; | |
4190 | } | |
32d661fc | 4191 | |
4192 | /* Store switches not filtered out by %{<S} in spec in COLLECT_GCC_OPTIONS | |
4193 | and place that in the environment. */ | |
4194 | ||
4195 | static void | |
4196 | set_collect_gcc_options () | |
4197 | { | |
4198 | int i; | |
4199 | int first_time; | |
4200 | ||
4201 | /* Build COLLECT_GCC_OPTIONS to have all of the options specified to | |
4202 | the compiler. */ | |
4203 | obstack_grow (&collect_obstack, "COLLECT_GCC_OPTIONS=", | |
4204 | sizeof ("COLLECT_GCC_OPTIONS=") - 1); | |
4205 | ||
4206 | first_time = TRUE; | |
4207 | for (i = 0; (int) i < n_switches; i++) | |
4208 | { | |
4209 | const char *const *args; | |
4210 | const char *p, *q; | |
4211 | if (!first_time) | |
4212 | obstack_grow (&collect_obstack, " ", 1); | |
4213 | ||
4214 | first_time = FALSE; | |
4215 | ||
4216 | /* Ignore elided switches. */ | |
4217 | if (switches[i].live_cond == SWITCH_IGNORE) | |
4218 | continue; | |
4219 | ||
4220 | obstack_grow (&collect_obstack, "'-", 2); | |
4221 | q = switches[i].part1; | |
4222 | while ((p = strchr (q, '\''))) | |
4223 | { | |
4224 | obstack_grow (&collect_obstack, q, p - q); | |
4225 | obstack_grow (&collect_obstack, "'\\''", 4); | |
4226 | q = ++p; | |
4227 | } | |
4228 | obstack_grow (&collect_obstack, q, strlen (q)); | |
4229 | obstack_grow (&collect_obstack, "'", 1); | |
4230 | ||
4231 | for (args = switches[i].args; args && *args; args++) | |
4232 | { | |
4233 | obstack_grow (&collect_obstack, " '", 2); | |
4234 | q = *args; | |
4235 | while ((p = strchr (q, '\''))) | |
4236 | { | |
4237 | obstack_grow (&collect_obstack, q, p - q); | |
4238 | obstack_grow (&collect_obstack, "'\\''", 4); | |
4239 | q = ++p; | |
4240 | } | |
4241 | obstack_grow (&collect_obstack, q, strlen (q)); | |
4242 | obstack_grow (&collect_obstack, "'", 1); | |
4243 | } | |
4244 | } | |
4245 | obstack_grow (&collect_obstack, "\0", 1); | |
4246 | putenv (obstack_finish (&collect_obstack)); | |
4247 | } | |
d7a9644e | 4248 | \f |
4249 | /* Process a spec string, accumulating and running commands. */ | |
4250 | ||
4251 | /* These variables describe the input file name. | |
4252 | input_file_number is the index on outfiles of this file, | |
4253 | so that the output file name can be stored for later use by %o. | |
4254 | input_basename is the start of the part of the input file | |
4255 | sans all directory names, and basename_length is the number | |
4256 | of characters starting there excluding the suffix .c or whatever. */ | |
4257 | ||
e40d43cc | 4258 | const char *input_filename; |
d7a9644e | 4259 | static int input_file_number; |
f9b7c0b9 | 4260 | size_t input_filename_length; |
d7a9644e | 4261 | static int basename_length; |
1cf79a1a | 4262 | static int suffixed_basename_length; |
e40d43cc | 4263 | static const char *input_basename; |
4264 | static const char *input_suffix; | |
74e4079a | 4265 | static struct stat input_stat; |
4266 | static int input_stat_set; | |
d7a9644e | 4267 | |
96842e40 | 4268 | /* The compiler used to process the current input file. */ |
4269 | static struct compiler *input_file_compiler; | |
4270 | ||
d7a9644e | 4271 | /* These are variables used within do_spec and do_spec_1. */ |
4272 | ||
4273 | /* Nonzero if an arg has been started and not yet terminated | |
4274 | (with space, tab or newline). */ | |
4275 | static int arg_going; | |
4276 | ||
4277 | /* Nonzero means %d or %g has been seen; the next arg to be terminated | |
4278 | is a temporary file name. */ | |
4279 | static int delete_this_arg; | |
4280 | ||
4281 | /* Nonzero means %w has been seen; the next arg to be terminated | |
4282 | is the output file name of this compilation. */ | |
4283 | static int this_is_output_file; | |
4284 | ||
4285 | /* Nonzero means %s has been seen; the next arg to be terminated | |
4286 | is the name of a library file and we should try the standard | |
4287 | search dirs for it. */ | |
4288 | static int this_is_library_file; | |
4289 | ||
f90016ef | 4290 | /* Nonzero means that the input of this command is coming from a pipe. */ |
4291 | static int input_from_pipe; | |
4292 | ||
bdbd5352 | 4293 | /* Nonnull means substitute this for any suffix when outputting a switches |
aa40f561 | 4294 | arguments. */ |
bdbd5352 | 4295 | static const char *suffix_subst; |
4296 | ||
d7a9644e | 4297 | /* Process the spec SPEC and run the commands specified therein. |
4298 | Returns 0 if the spec is successfully processed; -1 if failed. */ | |
4299 | ||
f9b7c0b9 | 4300 | int |
d7a9644e | 4301 | do_spec (spec) |
e40d43cc | 4302 | const char *spec; |
d7a9644e | 4303 | { |
4304 | int value; | |
4305 | ||
4ae4e5e8 | 4306 | value = do_spec_2 (spec); |
d7a9644e | 4307 | |
4308 | /* Force out any unfinished command. | |
4309 | If -pipe, this forces out the last command if it ended in `|'. */ | |
4310 | if (value == 0) | |
4311 | { | |
4312 | if (argbuf_index > 0 && !strcmp (argbuf[argbuf_index - 1], "|")) | |
4313 | argbuf_index--; | |
4314 | ||
32d661fc | 4315 | set_collect_gcc_options (); |
4316 | ||
d7a9644e | 4317 | if (argbuf_index > 0) |
4318 | value = execute (); | |
4319 | } | |
4320 | ||
4321 | return value; | |
4322 | } | |
4323 | ||
4ae4e5e8 | 4324 | static int |
4325 | do_spec_2 (spec) | |
4326 | const char *spec; | |
4327 | { | |
4328 | clear_args (); | |
4329 | arg_going = 0; | |
4330 | delete_this_arg = 0; | |
4331 | this_is_output_file = 0; | |
4332 | this_is_library_file = 0; | |
4333 | input_from_pipe = 0; | |
4334 | suffix_subst = NULL; | |
4335 | ||
4336 | return do_spec_1 (spec, 0, NULL); | |
4337 | } | |
4338 | ||
73023f49 | 4339 | |
4340 | /* Process the given spec string and add any new options to the end | |
4341 | of the switches/n_switches array. */ | |
4342 | ||
4343 | static void | |
4344 | do_self_spec (spec) | |
4345 | const char *spec; | |
4346 | { | |
4347 | do_spec_2 (spec); | |
4348 | do_spec_1 (" ", 0, NULL); | |
4349 | ||
4350 | if (argbuf_index > 0) | |
4351 | { | |
4352 | int i, first; | |
4353 | ||
4354 | first = n_switches; | |
4355 | n_switches += argbuf_index; | |
4356 | switches = xrealloc (switches, | |
4357 | sizeof (struct switchstr) * (n_switches + 1)); | |
4358 | ||
4359 | switches[n_switches] = switches[first]; | |
4360 | for (i = 0; i < argbuf_index; i++) | |
4361 | { | |
4362 | struct switchstr *sw; | |
4363 | ||
4364 | /* Each switch should start with '-'. */ | |
4365 | if (argbuf[i][0] != '-') | |
4366 | abort (); | |
4367 | ||
4368 | sw = &switches[i + first]; | |
4369 | sw->part1 = &argbuf[i][1]; | |
4370 | sw->args = 0; | |
4371 | sw->live_cond = SWITCH_OK; | |
4372 | sw->validated = 0; | |
4373 | sw->ordering = 0; | |
4374 | } | |
4375 | } | |
4376 | } | |
4377 | ||
d7a9644e | 4378 | /* Process the sub-spec SPEC as a portion of a larger spec. |
4379 | This is like processing a whole spec except that we do | |
4380 | not initialize at the beginning and we do not supply a | |
4381 | newline by default at the end. | |
4382 | INSWITCH nonzero means don't process %-sequences in SPEC; | |
4383 | in this case, % is treated as an ordinary character. | |
4384 | This is used while substituting switches. | |
4385 | INSWITCH nonzero also causes SPC not to terminate an argument. | |
4386 | ||
4387 | Value is zero unless a line was finished | |
4388 | and the command on that line reported an error. */ | |
4389 | ||
4390 | static int | |
4391 | do_spec_1 (spec, inswitch, soft_matched_part) | |
e40d43cc | 4392 | const char *spec; |
d7a9644e | 4393 | int inswitch; |
e40d43cc | 4394 | const char *soft_matched_part; |
d7a9644e | 4395 | { |
19cb6b50 | 4396 | const char *p = spec; |
4397 | int c; | |
d7a9644e | 4398 | int i; |
e40d43cc | 4399 | const char *string; |
fd8c18f0 | 4400 | int value; |
d7a9644e | 4401 | |
00e598e3 | 4402 | while ((c = *p++)) |
d7a9644e | 4403 | /* If substituting a switch, treat all chars like letters. |
4404 | Otherwise, NL, SPC, TAB and % are special. */ | |
4405 | switch (inswitch ? 'a' : c) | |
4406 | { | |
4407 | case '\n': | |
4408 | /* End of line: finish any pending argument, | |
4409 | then run the pending command if one has been started. */ | |
4410 | if (arg_going) | |
4411 | { | |
4412 | obstack_1grow (&obstack, 0); | |
4413 | string = obstack_finish (&obstack); | |
4414 | if (this_is_library_file) | |
4415 | string = find_file (string); | |
4416 | store_arg (string, delete_this_arg, this_is_output_file); | |
4417 | if (this_is_output_file) | |
4418 | outfiles[input_file_number] = string; | |
4419 | } | |
4420 | arg_going = 0; | |
4421 | ||
4422 | if (argbuf_index > 0 && !strcmp (argbuf[argbuf_index - 1], "|")) | |
4423 | { | |
d7a9644e | 4424 | for (i = 0; i < n_switches; i++) |
4425 | if (!strcmp (switches[i].part1, "pipe")) | |
4426 | break; | |
4427 | ||
4428 | /* A `|' before the newline means use a pipe here, | |
4429 | but only if -pipe was specified. | |
4430 | Otherwise, execute now and don't pass the `|' as an arg. */ | |
4431 | if (i < n_switches) | |
4432 | { | |
f90016ef | 4433 | input_from_pipe = 1; |
be2828ce | 4434 | switches[i].validated = 1; |
d7a9644e | 4435 | break; |
4436 | } | |
4437 | else | |
4438 | argbuf_index--; | |
4439 | } | |
4440 | ||
32d661fc | 4441 | set_collect_gcc_options (); |
4442 | ||
d7a9644e | 4443 | if (argbuf_index > 0) |
4444 | { | |
fd8c18f0 | 4445 | value = execute (); |
d7a9644e | 4446 | if (value) |
4447 | return value; | |
4448 | } | |
4449 | /* Reinitialize for a new command, and for a new argument. */ | |
4450 | clear_args (); | |
4451 | arg_going = 0; | |
4452 | delete_this_arg = 0; | |
4453 | this_is_output_file = 0; | |
4454 | this_is_library_file = 0; | |
f90016ef | 4455 | input_from_pipe = 0; |
d7a9644e | 4456 | break; |
4457 | ||
4458 | case '|': | |
4459 | /* End any pending argument. */ | |
4460 | if (arg_going) | |
4461 | { | |
4462 | obstack_1grow (&obstack, 0); | |
4463 | string = obstack_finish (&obstack); | |
4464 | if (this_is_library_file) | |
4465 | string = find_file (string); | |
4466 | store_arg (string, delete_this_arg, this_is_output_file); | |
4467 | if (this_is_output_file) | |
4468 | outfiles[input_file_number] = string; | |
4469 | } | |
4470 | ||
4471 | /* Use pipe */ | |
4472 | obstack_1grow (&obstack, c); | |
4473 | arg_going = 1; | |
4474 | break; | |
4475 | ||
4476 | case '\t': | |
4477 | case ' ': | |
4478 | /* Space or tab ends an argument if one is pending. */ | |
4479 | if (arg_going) | |
4480 | { | |
4481 | obstack_1grow (&obstack, 0); | |
4482 | string = obstack_finish (&obstack); | |
4483 | if (this_is_library_file) | |
4484 | string = find_file (string); | |
4485 | store_arg (string, delete_this_arg, this_is_output_file); | |
4486 | if (this_is_output_file) | |
4487 | outfiles[input_file_number] = string; | |
4488 | } | |
4489 | /* Reinitialize for a new argument. */ | |
4490 | arg_going = 0; | |
4491 | delete_this_arg = 0; | |
4492 | this_is_output_file = 0; | |
4493 | this_is_library_file = 0; | |
4494 | break; | |
4495 | ||
4496 | case '%': | |
4497 | switch (c = *p++) | |
4498 | { | |
4499 | case 0: | |
68435912 | 4500 | fatal ("invalid specification! Bug in cc"); |
d7a9644e | 4501 | |
4502 | case 'b': | |
4503 | obstack_grow (&obstack, input_basename, basename_length); | |
4504 | arg_going = 1; | |
4505 | break; | |
4506 | ||
1cf79a1a | 4507 | case 'B': |
4508 | obstack_grow (&obstack, input_basename, suffixed_basename_length); | |
4509 | arg_going = 1; | |
4510 | break; | |
4511 | ||
d7a9644e | 4512 | case 'd': |
4513 | delete_this_arg = 2; | |
4514 | break; | |
4515 | ||
4516 | /* Dump out the directories specified with LIBRARY_PATH, | |
a45072dd | 4517 | followed by the absolute directories |
4518 | that we search for startfiles. */ | |
d7a9644e | 4519 | case 'D': |
466996dd | 4520 | { |
b9374a77 | 4521 | struct prefix_list *pl = startfile_prefixes.plist; |
8a1f692f | 4522 | size_t bufsize = 100; |
466996dd | 4523 | char *buffer = (char *) xmalloc (bufsize); |
4524 | int idx; | |
9942f943 | 4525 | |
466996dd | 4526 | for (; pl; pl = pl->next) |
4527 | { | |
a45072dd | 4528 | #ifdef RELATIVE_PREFIX_NOT_LINKDIR |
466996dd | 4529 | /* Used on systems which record the specified -L dirs |
4530 | and use them to search for dynamic linking. */ | |
4531 | /* Relative directories always come from -B, | |
4532 | and it is better not to use them for searching | |
d4ea3b1f | 4533 | at run time. In particular, stage1 loses. */ |
7d3bd8c0 | 4534 | if (!IS_ABSOLUTE_PATHNAME (pl->prefix)) |
466996dd | 4535 | continue; |
a45072dd | 4536 | #endif |
9577d478 | 4537 | /* Try subdirectory if there is one. */ |
c954ff02 | 4538 | if (multilib_dir != NULL |
4539 | || (pl->os_multilib && multilib_os_dir != NULL)) | |
9577d478 | 4540 | { |
c954ff02 | 4541 | const char *multi_dir; |
4542 | ||
4543 | multi_dir = pl->os_multilib ? multilib_os_dir | |
4544 | : multilib_dir; | |
4545 | if (machine_suffix && multilib_dir) | |
9577d478 | 4546 | { |
4547 | if (strlen (pl->prefix) + strlen (machine_suffix) | |
4548 | >= bufsize) | |
4549 | bufsize = (strlen (pl->prefix) | |
4550 | + strlen (machine_suffix)) * 2 + 1; | |
4551 | buffer = (char *) xrealloc (buffer, bufsize); | |
4552 | strcpy (buffer, pl->prefix); | |
4553 | strcat (buffer, machine_suffix); | |
4554 | if (is_directory (buffer, multilib_dir, 1)) | |
4555 | { | |
d946ea19 | 4556 | do_spec_1 ("-L", 0, NULL); |
9577d478 | 4557 | #ifdef SPACE_AFTER_L_OPTION |
d946ea19 | 4558 | do_spec_1 (" ", 0, NULL); |
9577d478 | 4559 | #endif |
d946ea19 | 4560 | do_spec_1 (buffer, 1, NULL); |
4561 | do_spec_1 (multilib_dir, 1, NULL); | |
9577d478 | 4562 | /* Make this a separate argument. */ |
d946ea19 | 4563 | do_spec_1 (" ", 0, NULL); |
9577d478 | 4564 | } |
4565 | } | |
4566 | if (!pl->require_machine_suffix) | |
4567 | { | |
c954ff02 | 4568 | if (is_directory (pl->prefix, multi_dir, 1)) |
9577d478 | 4569 | { |
d946ea19 | 4570 | do_spec_1 ("-L", 0, NULL); |
9577d478 | 4571 | #ifdef SPACE_AFTER_L_OPTION |
d946ea19 | 4572 | do_spec_1 (" ", 0, NULL); |
9577d478 | 4573 | #endif |
d946ea19 | 4574 | do_spec_1 (pl->prefix, 1, NULL); |
c954ff02 | 4575 | do_spec_1 (multi_dir, 1, NULL); |
9577d478 | 4576 | /* Make this a separate argument. */ |
d946ea19 | 4577 | do_spec_1 (" ", 0, NULL); |
9577d478 | 4578 | } |
4579 | } | |
4580 | } | |
466996dd | 4581 | if (machine_suffix) |
4582 | { | |
c049b2ee | 4583 | if (is_directory (pl->prefix, machine_suffix, 1)) |
466996dd | 4584 | { |
d946ea19 | 4585 | do_spec_1 ("-L", 0, NULL); |
a45072dd | 4586 | #ifdef SPACE_AFTER_L_OPTION |
d946ea19 | 4587 | do_spec_1 (" ", 0, NULL); |
a45072dd | 4588 | #endif |
d946ea19 | 4589 | do_spec_1 (pl->prefix, 1, NULL); |
466996dd | 4590 | /* Remove slash from machine_suffix. */ |
4591 | if (strlen (machine_suffix) >= bufsize) | |
4592 | bufsize = strlen (machine_suffix) * 2 + 1; | |
4593 | buffer = (char *) xrealloc (buffer, bufsize); | |
4594 | strcpy (buffer, machine_suffix); | |
4595 | idx = strlen (buffer); | |
79b23a1e | 4596 | if (IS_DIR_SEPARATOR (buffer[idx - 1])) |
466996dd | 4597 | buffer[idx - 1] = 0; |
d946ea19 | 4598 | do_spec_1 (buffer, 1, NULL); |
466996dd | 4599 | /* Make this a separate argument. */ |
d946ea19 | 4600 | do_spec_1 (" ", 0, NULL); |
466996dd | 4601 | } |
4602 | } | |
4603 | if (!pl->require_machine_suffix) | |
4604 | { | |
c049b2ee | 4605 | if (is_directory (pl->prefix, "", 1)) |
466996dd | 4606 | { |
d946ea19 | 4607 | do_spec_1 ("-L", 0, NULL); |
a45072dd | 4608 | #ifdef SPACE_AFTER_L_OPTION |
d946ea19 | 4609 | do_spec_1 (" ", 0, NULL); |
a45072dd | 4610 | #endif |
466996dd | 4611 | /* Remove slash from pl->prefix. */ |
4612 | if (strlen (pl->prefix) >= bufsize) | |
4613 | bufsize = strlen (pl->prefix) * 2 + 1; | |
4614 | buffer = (char *) xrealloc (buffer, bufsize); | |
4615 | strcpy (buffer, pl->prefix); | |
4616 | idx = strlen (buffer); | |
79b23a1e | 4617 | if (IS_DIR_SEPARATOR (buffer[idx - 1])) |
466996dd | 4618 | buffer[idx - 1] = 0; |
d946ea19 | 4619 | do_spec_1 (buffer, 1, NULL); |
466996dd | 4620 | /* Make this a separate argument. */ |
d946ea19 | 4621 | do_spec_1 (" ", 0, NULL); |
466996dd | 4622 | } |
4623 | } | |
4624 | } | |
4625 | free (buffer); | |
4626 | } | |
d7a9644e | 4627 | break; |
4628 | ||
4629 | case 'e': | |
be2828ce | 4630 | /* %efoo means report an error with `foo' as error message |
d7a9644e | 4631 | and don't execute any more commands for this file. */ |
4632 | { | |
e40d43cc | 4633 | const char *q = p; |
d7a9644e | 4634 | char *buf; |
026f2c7a | 4635 | while (*p != 0 && *p != '\n') |
4636 | p++; | |
d7a9644e | 4637 | buf = (char *) alloca (p - q + 1); |
4638 | strncpy (buf, q, p - q); | |
4639 | buf[p - q] = 0; | |
e4ba8ded | 4640 | error ("%s", buf); |
d7a9644e | 4641 | return -1; |
4642 | } | |
4643 | break; | |
90286764 | 4644 | case 'n': |
4645 | /* %nfoo means report an notice with `foo' on stderr. */ | |
4646 | { | |
4647 | const char *q = p; | |
4648 | char *buf; | |
4649 | while (*p != 0 && *p != '\n') | |
4650 | p++; | |
4651 | buf = (char *) alloca (p - q + 1); | |
4652 | strncpy (buf, q, p - q); | |
4653 | buf[p - q] = 0; | |
4654 | notice ("%s\n", buf); | |
4655 | if (*p) | |
4656 | p++; | |
4657 | } | |
4658 | break; | |
d7a9644e | 4659 | |
026f2c7a | 4660 | case 'j': |
4661 | { | |
4662 | struct stat st; | |
4663 | ||
4664 | /* If save_temps_flag is off, and the HOST_BIT_BUCKET is defined, | |
4665 | and it is not a directory, and it is writable, use it. | |
4666 | Otherwise, fall through and treat this like any other | |
4667 | temporary file. */ | |
4668 | ||
4669 | if ((!save_temps_flag) | |
4670 | && (stat (HOST_BIT_BUCKET, &st) == 0) && (!S_ISDIR (st.st_mode)) | |
4671 | && (access (HOST_BIT_BUCKET, W_OK) == 0)) | |
4672 | { | |
4673 | obstack_grow (&obstack, HOST_BIT_BUCKET, | |
4674 | strlen (HOST_BIT_BUCKET)); | |
4675 | delete_this_arg = 0; | |
4676 | arg_going = 1; | |
4677 | break; | |
4678 | } | |
4679 | } | |
d7a9644e | 4680 | case 'g': |
5ee0d826 | 4681 | case 'u': |
e70085f9 | 4682 | case 'U': |
d7a9644e | 4683 | { |
4576c73f | 4684 | struct temp_name *t; |
c78c5ee7 | 4685 | int suffix_length; |
e40d43cc | 4686 | const char *suffix = p; |
2c2aaf10 | 4687 | char *saved_suffix = NULL; |
c78c5ee7 | 4688 | |
2c815aff | 4689 | while (*p == '.' || ISALPHA ((unsigned char) *p)) |
2c2aaf10 | 4690 | p++; |
4691 | suffix_length = p - suffix; | |
c78c5ee7 | 4692 | if (p[0] == '%' && p[1] == 'O') |
4693 | { | |
97c9de01 | 4694 | p += 2; |
c78c5ee7 | 4695 | /* We don't support extra suffix characters after %O. */ |
2c815aff | 4696 | if (*p == '.' || ISALPHA ((unsigned char) *p)) |
c78c5ee7 | 4697 | abort (); |
2c2aaf10 | 4698 | if (suffix_length == 0) |
10f57222 | 4699 | suffix = TARGET_OBJECT_SUFFIX; |
2c2aaf10 | 4700 | else |
4701 | { | |
4702 | saved_suffix | |
4703 | = (char *) xmalloc (suffix_length | |
10f57222 | 4704 | + strlen (TARGET_OBJECT_SUFFIX)); |
2c2aaf10 | 4705 | strncpy (saved_suffix, suffix, suffix_length); |
4706 | strcpy (saved_suffix + suffix_length, | |
10f57222 | 4707 | TARGET_OBJECT_SUFFIX); |
2c2aaf10 | 4708 | } |
10f57222 | 4709 | suffix_length += strlen (TARGET_OBJECT_SUFFIX); |
c78c5ee7 | 4710 | } |
3cfec666 | 4711 | |
74e4079a | 4712 | /* If the input_filename has the same suffix specified |
4713 | for the %g, %u, or %U, and -save-temps is specified, | |
4714 | we could end up using that file as an intermediate | |
4715 | thus clobbering the user's source file (.e.g., | |
4716 | gcc -save-temps foo.s would clobber foo.s with the | |
4717 | output of cpp0). So check for this condition and | |
4718 | generate a temp file as the intermediate. */ | |
3cfec666 | 4719 | |
74e4079a | 4720 | if (save_temps_flag) |
4721 | { | |
4722 | temp_filename_length = basename_length + suffix_length; | |
4723 | temp_filename = alloca (temp_filename_length + 1); | |
4724 | strncpy ((char *) temp_filename, input_basename, basename_length); | |
4725 | strncpy ((char *) temp_filename + basename_length, suffix, | |
4726 | suffix_length); | |
4727 | *((char *) temp_filename + temp_filename_length) = '\0'; | |
4728 | if (strcmp (temp_filename, input_filename) != 0) | |
4729 | { | |
4730 | struct stat st_temp; | |
3cfec666 | 4731 | |
74e4079a | 4732 | /* Note, set_input() resets input_stat_set to 0. */ |
4733 | if (input_stat_set == 0) | |
4734 | { | |
4735 | input_stat_set = stat (input_filename, &input_stat); | |
4736 | if (input_stat_set >= 0) | |
4737 | input_stat_set = 1; | |
4738 | } | |
3cfec666 | 4739 | |
74e4079a | 4740 | /* If we have the stat for the input_filename |
4741 | and we can do the stat for the temp_filename | |
4742 | then the they could still refer to the same | |
4743 | file if st_dev/st_ino's are the same. */ | |
3cfec666 | 4744 | |
74e4079a | 4745 | if (input_stat_set != 1 |
4746 | || stat (temp_filename, &st_temp) < 0 | |
4747 | || input_stat.st_dev != st_temp.st_dev | |
4748 | || input_stat.st_ino != st_temp.st_ino) | |
3cfec666 | 4749 | { |
74e4079a | 4750 | temp_filename = save_string (temp_filename, |
4751 | temp_filename_length + 1); | |
4752 | obstack_grow (&obstack, temp_filename, | |
4753 | temp_filename_length); | |
4754 | arg_going = 1; | |
4755 | break; | |
4756 | } | |
4757 | } | |
4758 | } | |
4576c73f | 4759 | |
4760 | /* See if we already have an association of %g/%u/%U and | |
4761 | suffix. */ | |
4762 | for (t = temp_names; t; t = t->next) | |
c78c5ee7 | 4763 | if (t->length == suffix_length |
4764 | && strncmp (t->suffix, suffix, suffix_length) == 0 | |
4576c73f | 4765 | && t->unique == (c != 'g')) |
4766 | break; | |
4767 | ||
d362e897 | 4768 | /* Make a new association if needed. %u and %j |
4769 | require one. */ | |
655a58fa | 4770 | if (t == 0 || c == 'u' || c == 'j') |
4576c73f | 4771 | { |
4772 | if (t == 0) | |
4773 | { | |
4774 | t = (struct temp_name *) xmalloc (sizeof (struct temp_name)); | |
4775 | t->next = temp_names; | |
4776 | temp_names = t; | |
4777 | } | |
c78c5ee7 | 4778 | t->length = suffix_length; |
d362e897 | 4779 | if (saved_suffix) |
4780 | { | |
4781 | t->suffix = saved_suffix; | |
4782 | saved_suffix = NULL; | |
4783 | } | |
4784 | else | |
4785 | t->suffix = save_string (suffix, suffix_length); | |
c78c5ee7 | 4786 | t->unique = (c != 'g'); |
4787 | temp_filename = make_temp_file (t->suffix); | |
3441e5dd | 4788 | temp_filename_length = strlen (temp_filename); |
4576c73f | 4789 | t->filename = temp_filename; |
4790 | t->filename_length = temp_filename_length; | |
4791 | } | |
4792 | ||
2c2aaf10 | 4793 | if (saved_suffix) |
4794 | free (saved_suffix); | |
4795 | ||
4576c73f | 4796 | obstack_grow (&obstack, t->filename, t->filename_length); |
e2a5805f | 4797 | delete_this_arg = 1; |
d7a9644e | 4798 | } |
4799 | arg_going = 1; | |
4800 | break; | |
4801 | ||
4802 | case 'i': | |
4803 | obstack_grow (&obstack, input_filename, input_filename_length); | |
4804 | arg_going = 1; | |
4805 | break; | |
4806 | ||
bfef3e2f | 4807 | case 'I': |
524c2193 | 4808 | { |
b9374a77 | 4809 | struct prefix_list *pl = include_prefixes.plist; |
524c2193 | 4810 | |
4811 | if (gcc_exec_prefix) | |
4812 | { | |
d946ea19 | 4813 | do_spec_1 ("-iprefix", 1, NULL); |
524c2193 | 4814 | /* Make this a separate argument. */ |
d946ea19 | 4815 | do_spec_1 (" ", 0, NULL); |
4816 | do_spec_1 (gcc_exec_prefix, 1, NULL); | |
4817 | do_spec_1 (" ", 0, NULL); | |
524c2193 | 4818 | } |
4819 | ||
4820 | for (; pl; pl = pl->next) | |
4821 | { | |
d946ea19 | 4822 | do_spec_1 ("-isystem", 1, NULL); |
524c2193 | 4823 | /* Make this a separate argument. */ |
d946ea19 | 4824 | do_spec_1 (" ", 0, NULL); |
4825 | do_spec_1 (pl->prefix, 1, NULL); | |
4826 | do_spec_1 (" ", 0, NULL); | |
524c2193 | 4827 | } |
4828 | } | |
bfef3e2f | 4829 | break; |
4830 | ||
d7a9644e | 4831 | case 'o': |
2b191381 | 4832 | { |
4833 | int max = n_infiles; | |
2b191381 | 4834 | max += lang_specific_extra_outfiles; |
cdf76fe2 | 4835 | |
2b191381 | 4836 | for (i = 0; i < max; i++) |
4837 | if (outfiles[i]) | |
4838 | store_arg (outfiles[i], 0, 0); | |
4839 | break; | |
4840 | } | |
d7a9644e | 4841 | |
499a0933 | 4842 | case 'O': |
10f57222 | 4843 | obstack_grow (&obstack, TARGET_OBJECT_SUFFIX, strlen (TARGET_OBJECT_SUFFIX)); |
499a0933 | 4844 | arg_going = 1; |
4845 | break; | |
4846 | ||
d7a9644e | 4847 | case 's': |
4848 | this_is_library_file = 1; | |
4849 | break; | |
4850 | ||
4851 | case 'w': | |
4852 | this_is_output_file = 1; | |
4853 | break; | |
4854 | ||
4855 | case 'W': | |
4856 | { | |
2867e77d | 4857 | int cur_index = argbuf_index; |
d7a9644e | 4858 | /* Handle the {...} following the %W. */ |
4859 | if (*p != '{') | |
4860 | abort (); | |
4861 | p = handle_braces (p + 1); | |
4862 | if (p == 0) | |
4863 | return -1; | |
4864 | /* If any args were output, mark the last one for deletion | |
4865 | on failure. */ | |
2867e77d | 4866 | if (argbuf_index != cur_index) |
d7a9644e | 4867 | record_temp_file (argbuf[argbuf_index - 1], 0, 1); |
4868 | break; | |
4869 | } | |
4870 | ||
4871 | /* %x{OPTION} records OPTION for %X to output. */ | |
4872 | case 'x': | |
4873 | { | |
e40d43cc | 4874 | const char *p1 = p; |
d7a9644e | 4875 | char *string; |
4876 | ||
4877 | /* Skip past the option value and make a copy. */ | |
4878 | if (*p != '{') | |
4879 | abort (); | |
4880 | while (*p++ != '}') | |
4881 | ; | |
4882 | string = save_string (p1 + 1, p - p1 - 2); | |
4883 | ||
4884 | /* See if we already recorded this option. */ | |
4885 | for (i = 0; i < n_linker_options; i++) | |
4886 | if (! strcmp (string, linker_options[i])) | |
4887 | { | |
4888 | free (string); | |
4889 | return 0; | |
4890 | } | |
4891 | ||
4892 | /* This option is new; add it. */ | |
8ace789a | 4893 | add_linker_option (string, strlen (string)); |
d7a9644e | 4894 | } |
4895 | break; | |
4896 | ||
fcdc45aa | 4897 | /* Dump out the options accumulated previously using %x. */ |
d7a9644e | 4898 | case 'X': |
4899 | for (i = 0; i < n_linker_options; i++) | |
4900 | { | |
d946ea19 | 4901 | do_spec_1 (linker_options[i], 1, NULL); |
d7a9644e | 4902 | /* Make each accumulated option a separate argument. */ |
d946ea19 | 4903 | do_spec_1 (" ", 0, NULL); |
d7a9644e | 4904 | } |
4905 | break; | |
4906 | ||
69587571 | 4907 | /* Dump out the options accumulated previously using -Wa,. */ |
4908 | case 'Y': | |
4909 | for (i = 0; i < n_assembler_options; i++) | |
4910 | { | |
d946ea19 | 4911 | do_spec_1 (assembler_options[i], 1, NULL); |
69587571 | 4912 | /* Make each accumulated option a separate argument. */ |
d946ea19 | 4913 | do_spec_1 (" ", 0, NULL); |
69587571 | 4914 | } |
4915 | break; | |
4916 | ||
391d9b6e | 4917 | /* Dump out the options accumulated previously using -Wp,. */ |
4918 | case 'Z': | |
4919 | for (i = 0; i < n_preprocessor_options; i++) | |
4920 | { | |
d946ea19 | 4921 | do_spec_1 (preprocessor_options[i], 1, NULL); |
391d9b6e | 4922 | /* Make each accumulated option a separate argument. */ |
d946ea19 | 4923 | do_spec_1 (" ", 0, NULL); |
391d9b6e | 4924 | } |
4925 | break; | |
4926 | ||
d7a9644e | 4927 | /* Here are digits and numbers that just process |
4928 | a certain constant string as a spec. */ | |
4929 | ||
4930 | case '1': | |
d946ea19 | 4931 | value = do_spec_1 (cc1_spec, 0, NULL); |
fd8c18f0 | 4932 | if (value != 0) |
4933 | return value; | |
d7a9644e | 4934 | break; |
4935 | ||
4936 | case '2': | |
d946ea19 | 4937 | value = do_spec_1 (cc1plus_spec, 0, NULL); |
fd8c18f0 | 4938 | if (value != 0) |
4939 | return value; | |
d7a9644e | 4940 | break; |
4941 | ||
4942 | case 'a': | |
d946ea19 | 4943 | value = do_spec_1 (asm_spec, 0, NULL); |
fd8c18f0 | 4944 | if (value != 0) |
4945 | return value; | |
d7a9644e | 4946 | break; |
4947 | ||
4948 | case 'A': | |
d946ea19 | 4949 | value = do_spec_1 (asm_final_spec, 0, NULL); |
fd8c18f0 | 4950 | if (value != 0) |
4951 | return value; | |
d7a9644e | 4952 | break; |
4953 | ||
d7a9644e | 4954 | case 'C': |
96842e40 | 4955 | { |
0d95286f | 4956 | const char *const spec |
3cfec666 | 4957 | = (input_file_compiler->cpp_spec |
4958 | ? input_file_compiler->cpp_spec | |
96842e40 | 4959 | : cpp_spec); |
d946ea19 | 4960 | value = do_spec_1 (spec, 0, NULL); |
96842e40 | 4961 | if (value != 0) |
4962 | return value; | |
4963 | } | |
d7a9644e | 4964 | break; |
4965 | ||
4966 | case 'E': | |
d946ea19 | 4967 | value = do_spec_1 (endfile_spec, 0, NULL); |
fd8c18f0 | 4968 | if (value != 0) |
4969 | return value; | |
d7a9644e | 4970 | break; |
4971 | ||
4972 | case 'l': | |
d946ea19 | 4973 | value = do_spec_1 (link_spec, 0, NULL); |
fd8c18f0 | 4974 | if (value != 0) |
4975 | return value; | |
d7a9644e | 4976 | break; |
4977 | ||
4978 | case 'L': | |
d946ea19 | 4979 | value = do_spec_1 (lib_spec, 0, NULL); |
fd8c18f0 | 4980 | if (value != 0) |
4981 | return value; | |
d7a9644e | 4982 | break; |
4983 | ||
b7c87ff2 | 4984 | case 'G': |
d946ea19 | 4985 | value = do_spec_1 (libgcc_spec, 0, NULL); |
b7c87ff2 | 4986 | if (value != 0) |
4987 | return value; | |
4988 | break; | |
4989 | ||
43198b29 | 4990 | case 'M': |
4991 | if (multilib_dir && strcmp (multilib_dir, ".") != 0) | |
4992 | { | |
4993 | char *p; | |
4994 | const char *q; | |
4995 | size_t len; | |
4996 | ||
4997 | len = strlen (multilib_dir); | |
4998 | obstack_blank (&obstack, len + 1); | |
1564af01 | 4999 | p = obstack_next_free (&obstack) - (len + 1); |
43198b29 | 5000 | |
5001 | *p++ = '_'; | |
5002 | for (q = multilib_dir; *q ; ++q, ++p) | |
5003 | *p = (IS_DIR_SEPARATOR (*q) ? '_' : *q); | |
5004 | } | |
5005 | break; | |
5006 | ||
d7a9644e | 5007 | case 'p': |
5008 | { | |
5009 | char *x = (char *) alloca (strlen (cpp_predefines) + 1); | |
5010 | char *buf = x; | |
e772a198 | 5011 | const char *y; |
d7a9644e | 5012 | |
5013 | /* Copy all of the -D options in CPP_PREDEFINES into BUF. */ | |
5014 | y = cpp_predefines; | |
5015 | while (*y != 0) | |
5016 | { | |
5017 | if (! strncmp (y, "-D", 2)) | |
5018 | /* Copy the whole option. */ | |
5019 | while (*y && *y != ' ' && *y != '\t') | |
5020 | *x++ = *y++; | |
5021 | else if (*y == ' ' || *y == '\t') | |
5022 | /* Copy whitespace to the result. */ | |
5023 | *x++ = *y++; | |
5024 | /* Don't copy other options. */ | |
5025 | else | |
5026 | y++; | |
5027 | } | |
5028 | ||
5029 | *x = 0; | |
5030 | ||
d946ea19 | 5031 | value = do_spec_1 (buf, 0, NULL); |
fd8c18f0 | 5032 | if (value != 0) |
5033 | return value; | |
d7a9644e | 5034 | } |
5035 | break; | |
5036 | ||
5037 | case 'P': | |
5038 | { | |
5039 | char *x = (char *) alloca (strlen (cpp_predefines) * 4 + 1); | |
5040 | char *buf = x; | |
e772a198 | 5041 | const char *y; |
d7a9644e | 5042 | |
5043 | /* Copy all of CPP_PREDEFINES into BUF, | |
d4ea3b1f | 5044 | but force them all into the reserved name space if they |
5045 | aren't already there. The reserved name space is all | |
17f8e521 | 5046 | identifiers beginning with two underscores or with one |
5047 | underscore and a capital letter. We do the forcing by | |
5048 | adding up to two underscores to the beginning and end | |
5049 | of each symbol. e.g. mips, _mips, mips_, and _mips_ all | |
5050 | become __mips__. */ | |
d7a9644e | 5051 | y = cpp_predefines; |
5052 | while (*y != 0) | |
5053 | { | |
5054 | if (! strncmp (y, "-D", 2)) | |
5055 | { | |
5056 | int flag = 0; | |
5057 | ||
5058 | *x++ = *y++; | |
5059 | *x++ = *y++; | |
5060 | ||
b92dd962 | 5061 | if (*y != '_' |
026f2c7a | 5062 | || (*(y + 1) != '_' |
5063 | && ! ISUPPER ((unsigned char) *(y + 1)))) | |
5064 | { | |
d7a9644e | 5065 | /* Stick __ at front of macro name. */ |
17f8e521 | 5066 | if (*y != '_') |
5067 | *x++ = '_'; | |
d7a9644e | 5068 | *x++ = '_'; |
5069 | /* Arrange to stick __ at the end as well. */ | |
5070 | flag = 1; | |
5071 | } | |
5072 | ||
5073 | /* Copy the macro name. */ | |
5074 | while (*y && *y != '=' && *y != ' ' && *y != '\t') | |
5075 | *x++ = *y++; | |
5076 | ||
5077 | if (flag) | |
026f2c7a | 5078 | { |
17f8e521 | 5079 | if (x[-1] != '_') |
5080 | { | |
5081 | if (x[-2] != '_') | |
5082 | *x++ = '_'; | |
5083 | *x++ = '_'; | |
5084 | } | |
d7a9644e | 5085 | } |
5086 | ||
5087 | /* Copy the value given, if any. */ | |
5088 | while (*y && *y != ' ' && *y != '\t') | |
5089 | *x++ = *y++; | |
5090 | } | |
5091 | else if (*y == ' ' || *y == '\t') | |
5092 | /* Copy whitespace to the result. */ | |
5093 | *x++ = *y++; | |
5094 | /* Don't copy -A options */ | |
5095 | else | |
5096 | y++; | |
5097 | } | |
5098 | *x++ = ' '; | |
5099 | ||
5100 | /* Copy all of CPP_PREDEFINES into BUF, | |
5101 | but put __ after every -D. */ | |
5102 | y = cpp_predefines; | |
5103 | while (*y != 0) | |
5104 | { | |
5105 | if (! strncmp (y, "-D", 2)) | |
5106 | { | |
fb1b3495 | 5107 | y += 2; |
d7a9644e | 5108 | |
b92dd962 | 5109 | if (*y != '_' |
026f2c7a | 5110 | || (*(y + 1) != '_' |
5111 | && ! ISUPPER ((unsigned char) *(y + 1)))) | |
5112 | { | |
fb1b3495 | 5113 | /* Stick -D__ at front of macro name. */ |
5114 | *x++ = '-'; | |
5115 | *x++ = 'D'; | |
17f8e521 | 5116 | if (*y != '_') |
5117 | *x++ = '_'; | |
d7a9644e | 5118 | *x++ = '_'; |
d7a9644e | 5119 | |
fb1b3495 | 5120 | /* Copy the macro name. */ |
5121 | while (*y && *y != '=' && *y != ' ' && *y != '\t') | |
5122 | *x++ = *y++; | |
d7a9644e | 5123 | |
fb1b3495 | 5124 | /* Copy the value given, if any. */ |
5125 | while (*y && *y != ' ' && *y != '\t') | |
5126 | *x++ = *y++; | |
5127 | } | |
5128 | else | |
5129 | { | |
5130 | /* Do not copy this macro - we have just done it before */ | |
5131 | while (*y && *y != ' ' && *y != '\t') | |
5132 | y++; | |
5133 | } | |
d7a9644e | 5134 | } |
5135 | else if (*y == ' ' || *y == '\t') | |
5136 | /* Copy whitespace to the result. */ | |
5137 | *x++ = *y++; | |
d4ea3b1f | 5138 | /* Don't copy -A options. */ |
d7a9644e | 5139 | else |
5140 | y++; | |
5141 | } | |
5142 | *x++ = ' '; | |
5143 | ||
5144 | /* Copy all of the -A options in CPP_PREDEFINES into BUF. */ | |
5145 | y = cpp_predefines; | |
5146 | while (*y != 0) | |
5147 | { | |
5148 | if (! strncmp (y, "-A", 2)) | |
5149 | /* Copy the whole option. */ | |
5150 | while (*y && *y != ' ' && *y != '\t') | |
5151 | *x++ = *y++; | |
5152 | else if (*y == ' ' || *y == '\t') | |
5153 | /* Copy whitespace to the result. */ | |
5154 | *x++ = *y++; | |
5155 | /* Don't copy other options. */ | |
5156 | else | |
5157 | y++; | |
5158 | } | |
5159 | ||
5160 | *x = 0; | |
5161 | ||
d946ea19 | 5162 | value = do_spec_1 (buf, 0, NULL); |
fd8c18f0 | 5163 | if (value != 0) |
5164 | return value; | |
d7a9644e | 5165 | } |
5166 | break; | |
5167 | ||
5168 | case 'S': | |
d946ea19 | 5169 | value = do_spec_1 (startfile_spec, 0, NULL); |
fd8c18f0 | 5170 | if (value != 0) |
5171 | return value; | |
d7a9644e | 5172 | break; |
5173 | ||
5174 | /* Here we define characters other than letters and digits. */ | |
5175 | ||
5176 | case '{': | |
5177 | p = handle_braces (p); | |
5178 | if (p == 0) | |
5179 | return -1; | |
5180 | break; | |
5181 | ||
c21b3276 | 5182 | case ':': |
5183 | p = handle_spec_function (p); | |
5184 | if (p == 0) | |
5185 | return -1; | |
5186 | break; | |
5187 | ||
d7a9644e | 5188 | case '%': |
5189 | obstack_1grow (&obstack, '%'); | |
5190 | break; | |
5191 | ||
3cfec666 | 5192 | case '.': |
5193 | { | |
5194 | unsigned len = 0; | |
bdbd5352 | 5195 | |
3cfec666 | 5196 | while (p[len] && p[len] != ' ' && p[len] != '%') |
5197 | len++; | |
5198 | suffix_subst = save_string (p - 1, len + 1); | |
5199 | p += len; | |
5200 | } | |
bdbd5352 | 5201 | break; |
3cfec666 | 5202 | |
d7a9644e | 5203 | case '*': |
d4ea3b1f | 5204 | if (soft_matched_part) |
5205 | { | |
d946ea19 | 5206 | do_spec_1 (soft_matched_part, 1, NULL); |
5207 | do_spec_1 (" ", 0, NULL); | |
d4ea3b1f | 5208 | } |
5209 | else | |
5210 | /* Catch the case where a spec string contains something like | |
5211 | '%{foo:%*}'. ie there is no * in the pattern on the left | |
5212 | hand side of the :. */ | |
1d8c4563 | 5213 | error ("spec failure: '%%*' has not been initialized by pattern match"); |
d7a9644e | 5214 | break; |
5215 | ||
5216 | /* Process a string found as the value of a spec given by name. | |
5217 | This feature allows individual machine descriptions | |
50bcc52e | 5218 | to add and use their own specs. |
5219 | %[...] modifies -D options the way %P does; | |
5220 | %(...) uses the spec unmodified. */ | |
5221 | case '[': | |
cb8bacb6 | 5222 | error ("warning: use of obsolete %%[ operator in specs"); |
d7a9644e | 5223 | case '(': |
d7a9644e | 5224 | { |
e40d43cc | 5225 | const char *name = p; |
d7a9644e | 5226 | struct spec_list *sl; |
5227 | int len; | |
5228 | ||
5229 | /* The string after the S/P is the name of a spec that is to be | |
a92771b8 | 5230 | processed. */ |
50bcc52e | 5231 | while (*p && *p != ')' && *p != ']') |
d7a9644e | 5232 | p++; |
5233 | ||
d4ea3b1f | 5234 | /* See if it's in the list. */ |
d7a9644e | 5235 | for (len = p - name, sl = specs; sl; sl = sl->next) |
988c0ffe | 5236 | if (sl->name_len == len && !strncmp (sl->name, name, len)) |
d7a9644e | 5237 | { |
988c0ffe | 5238 | name = *(sl->ptr_spec); |
4582d741 | 5239 | #ifdef DEBUG_SPECS |
be2828ce | 5240 | notice ("Processing spec %c%s%c, which is '%s'\n", |
5241 | c, sl->name, (c == '(') ? ')' : ']', name); | |
4582d741 | 5242 | #endif |
d7a9644e | 5243 | break; |
5244 | } | |
5245 | ||
5246 | if (sl) | |
5247 | { | |
50bcc52e | 5248 | if (c == '(') |
5249 | { | |
d946ea19 | 5250 | value = do_spec_1 (name, 0, NULL); |
50bcc52e | 5251 | if (value != 0) |
5252 | return value; | |
5253 | } | |
5254 | else | |
5255 | { | |
5256 | char *x = (char *) alloca (strlen (name) * 2 + 1); | |
5257 | char *buf = x; | |
e40d43cc | 5258 | const char *y = name; |
50bcc52e | 5259 | int flag = 0; |
5260 | ||
5261 | /* Copy all of NAME into BUF, but put __ after | |
d4ea3b1f | 5262 | every -D and at the end of each arg. */ |
50bcc52e | 5263 | while (1) |
5264 | { | |
5265 | if (! strncmp (y, "-D", 2)) | |
5266 | { | |
5267 | *x++ = '-'; | |
5268 | *x++ = 'D'; | |
5269 | *x++ = '_'; | |
5270 | *x++ = '_'; | |
5271 | y += 2; | |
5272 | flag = 1; | |
5273 | continue; | |
5274 | } | |
026f2c7a | 5275 | else if (flag |
5276 | && (*y == ' ' || *y == '\t' || *y == '=' | |
5277 | || *y == '}' || *y == 0)) | |
50bcc52e | 5278 | { |
5279 | *x++ = '_'; | |
5280 | *x++ = '_'; | |
5281 | flag = 0; | |
5282 | } | |
026f2c7a | 5283 | if (*y == 0) |
50bcc52e | 5284 | break; |
5285 | else | |
5286 | *x++ = *y++; | |
5287 | } | |
5288 | *x = 0; | |
5289 | ||
d946ea19 | 5290 | value = do_spec_1 (buf, 0, NULL); |
50bcc52e | 5291 | if (value != 0) |
5292 | return value; | |
5293 | } | |
d7a9644e | 5294 | } |
8894538a | 5295 | |
50bcc52e | 5296 | /* Discard the closing paren or bracket. */ |
8894538a | 5297 | if (*p) |
5298 | p++; | |
d7a9644e | 5299 | } |
5300 | break; | |
5301 | ||
18759b6f | 5302 | case 'v': |
5303 | { | |
b818fda9 | 5304 | int c1 = *p++; /* Select first or second version number. */ |
e772a198 | 5305 | const char *v = compiler_version; |
5306 | const char *q; | |
5edecf3c | 5307 | static const char zeroc = '0'; |
ea34fb09 | 5308 | |
5309 | /* The format of the version string is | |
5310 | ([^0-9]*-)?[0-9]+[.][0-9]+([.][0-9]+)?([- ].*)? */ | |
5311 | ||
5312 | /* Ignore leading non-digits. i.e. "foo-" in "foo-2.7.2". */ | |
fe8833f8 | 5313 | while (! ISDIGIT (*v)) |
ea34fb09 | 5314 | v++; |
5315 | if (v > compiler_version && v[-1] != '-') | |
5316 | abort (); | |
5317 | ||
b818fda9 | 5318 | /* If desired, advance to second version number. */ |
5edecf3c | 5319 | if (c1 >= '2') |
b818fda9 | 5320 | { |
3c6adfb3 | 5321 | /* Set V after the first period. */ |
fe8833f8 | 5322 | while (ISDIGIT (*v)) |
4dd56bd9 | 5323 | v++; |
ea34fb09 | 5324 | if (*v != '.') |
5325 | abort (); | |
5326 | v++; | |
b818fda9 | 5327 | } |
ea34fb09 | 5328 | |
5edecf3c | 5329 | /* If desired, advance to third version number. |
5330 | But don't complain if it's not present */ | |
5331 | if (c1 == '3') | |
5332 | { | |
5333 | /* Set V after the second period. */ | |
5334 | while (ISDIGIT (*v)) | |
5335 | v++; | |
5336 | if ((*v != 0) && (*v != ' ') && (*v != '.') && (*v != '-')) | |
5337 | abort (); | |
026f2c7a | 5338 | if (*v != 0) |
5339 | v++; | |
5edecf3c | 5340 | } |
5341 | ||
b818fda9 | 5342 | /* Set Q at the next period or at the end. */ |
4dd56bd9 | 5343 | q = v; |
fe8833f8 | 5344 | while (ISDIGIT (*q)) |
4dd56bd9 | 5345 | q++; |
e38e97a5 | 5346 | if (*q != 0 && q > v && *q != ' ' && *q != '.' && *q != '-') |
ea34fb09 | 5347 | abort (); |
5348 | ||
026f2c7a | 5349 | if (q > v) |
5350 | /* Put that part into the command. */ | |
5351 | obstack_grow (&obstack, v, q - v); | |
5352 | else | |
5353 | /* Default to "0" */ | |
5354 | obstack_grow (&obstack, &zeroc, 1); | |
18759b6f | 5355 | arg_going = 1; |
5356 | } | |
5357 | break; | |
5358 | ||
f90016ef | 5359 | case '|': |
5360 | if (input_from_pipe) | |
d946ea19 | 5361 | do_spec_1 ("-", 0, NULL); |
f90016ef | 5362 | break; |
5363 | ||
d7a9644e | 5364 | default: |
1d8c4563 | 5365 | error ("spec failure: unrecognized spec option '%c'", c); |
d4ea3b1f | 5366 | break; |
d7a9644e | 5367 | } |
5368 | break; | |
5369 | ||
5370 | case '\\': | |
5371 | /* Backslash: treat next character as ordinary. */ | |
5372 | c = *p++; | |
5373 | ||
5374 | /* fall through */ | |
5375 | default: | |
5376 | /* Ordinary character: put it into the current argument. */ | |
5377 | obstack_1grow (&obstack, c); | |
5378 | arg_going = 1; | |
5379 | } | |
5380 | ||
c21b3276 | 5381 | /* End of string. If we are processing a spec function, we need to |
5382 | end any pending argument. */ | |
5383 | if (processing_spec_function && arg_going) | |
5384 | { | |
5385 | obstack_1grow (&obstack, 0); | |
5386 | string = obstack_finish (&obstack); | |
5387 | if (this_is_library_file) | |
5388 | string = find_file (string); | |
5389 | store_arg (string, delete_this_arg, this_is_output_file); | |
5390 | if (this_is_output_file) | |
5391 | outfiles[input_file_number] = string; | |
5392 | arg_going = 0; | |
5393 | } | |
5394 | ||
026f2c7a | 5395 | return 0; |
d7a9644e | 5396 | } |
5397 | ||
c21b3276 | 5398 | /* Look up a spec function. */ |
5399 | ||
5400 | static const struct spec_function * | |
5401 | lookup_spec_function (name) | |
5402 | const char *name; | |
5403 | { | |
5404 | static const struct spec_function * const spec_function_tables[] = | |
5405 | { | |
5406 | static_spec_functions, | |
5407 | lang_specific_spec_functions, | |
5408 | }; | |
5409 | const struct spec_function *sf; | |
5410 | unsigned int i; | |
5411 | ||
5412 | for (i = 0; i < ARRAY_SIZE (spec_function_tables); i++) | |
5413 | { | |
5414 | for (sf = spec_function_tables[i]; sf->name != NULL; sf++) | |
5415 | if (strcmp (sf->name, name) == 0) | |
5416 | return sf; | |
5417 | } | |
5418 | ||
5419 | return NULL; | |
5420 | } | |
5421 | ||
5422 | /* Evaluate a spec function. */ | |
5423 | ||
5424 | static const char * | |
5425 | eval_spec_function (func, args) | |
5426 | const char *func, *args; | |
5427 | { | |
5428 | const struct spec_function *sf; | |
5429 | const char *funcval; | |
5430 | ||
5431 | /* Saved spec processing context. */ | |
5432 | int save_argbuf_index; | |
5433 | int save_argbuf_length; | |
5434 | const char **save_argbuf; | |
5435 | ||
5436 | int save_arg_going; | |
5437 | int save_delete_this_arg; | |
5438 | int save_this_is_output_file; | |
5439 | int save_this_is_library_file; | |
5440 | int save_input_from_pipe; | |
5441 | const char *save_suffix_subst; | |
5442 | ||
5443 | ||
5444 | sf = lookup_spec_function (func); | |
5445 | if (sf == NULL) | |
5446 | fatal ("unknown spec function `%s'", func); | |
5447 | ||
5448 | /* Push the spec processing context. */ | |
5449 | save_argbuf_index = argbuf_index; | |
5450 | save_argbuf_length = argbuf_length; | |
5451 | save_argbuf = argbuf; | |
5452 | ||
5453 | save_arg_going = arg_going; | |
5454 | save_delete_this_arg = delete_this_arg; | |
5455 | save_this_is_output_file = this_is_output_file; | |
5456 | save_this_is_library_file = this_is_library_file; | |
5457 | save_input_from_pipe = input_from_pipe; | |
5458 | save_suffix_subst = suffix_subst; | |
5459 | ||
5460 | /* Create a new spec processing context, and build the function | |
5461 | arguments. */ | |
5462 | ||
5463 | alloc_args (); | |
5464 | if (do_spec_2 (args) < 0) | |
5465 | fatal ("error in args to spec function `%s'", func); | |
5466 | ||
5467 | /* argbuf_index is an index for the next argument to be inserted, and | |
5468 | so contains the count of the args already inserted. */ | |
5469 | ||
5470 | funcval = (*sf->func) (argbuf_index, argbuf); | |
5471 | ||
5472 | /* Pop the spec processing context. */ | |
5473 | argbuf_index = save_argbuf_index; | |
5474 | argbuf_length = save_argbuf_length; | |
5475 | free (argbuf); | |
5476 | argbuf = save_argbuf; | |
5477 | ||
5478 | arg_going = save_arg_going; | |
5479 | delete_this_arg = save_delete_this_arg; | |
5480 | this_is_output_file = save_this_is_output_file; | |
5481 | this_is_library_file = save_this_is_library_file; | |
5482 | input_from_pipe = save_input_from_pipe; | |
5483 | suffix_subst = save_suffix_subst; | |
5484 | ||
5485 | return funcval; | |
5486 | } | |
5487 | ||
5488 | /* Handle a spec function call of the form: | |
5489 | ||
5490 | %:function(args) | |
5491 | ||
5492 | ARGS is processed as a spec in a separate context and split into an | |
5493 | argument vector in the normal fashion. The function returns a string | |
5494 | containing a spec which we then process in the caller's context, or | |
5495 | NULL if no processing is required. */ | |
5496 | ||
5497 | static const char * | |
5498 | handle_spec_function (p) | |
5499 | const char *p; | |
5500 | { | |
5501 | char *func, *args; | |
5502 | const char *endp, *funcval; | |
5503 | int count; | |
5504 | ||
5505 | processing_spec_function++; | |
5506 | ||
5507 | /* Get the function name. */ | |
5508 | for (endp = p; *endp != '\0'; endp++) | |
5509 | { | |
5510 | if (*endp == '(') /* ) */ | |
5511 | break; | |
5512 | /* Only allow [A-Za-z0-9], -, and _ in function names. */ | |
5513 | if (!ISALNUM (*endp) && !(*endp == '-' || *endp == '_')) | |
5514 | fatal ("malformed spec function name"); | |
5515 | } | |
5516 | if (*endp != '(') /* ) */ | |
5517 | fatal ("no arguments for spec function"); | |
5518 | func = save_string (p, endp - p); | |
5519 | p = ++endp; | |
5520 | ||
5521 | /* Get the arguments. */ | |
5522 | for (count = 0; *endp != '\0'; endp++) | |
5523 | { | |
5524 | /* ( */ | |
5525 | if (*endp == ')') | |
5526 | { | |
5527 | if (count == 0) | |
5528 | break; | |
5529 | count--; | |
5530 | } | |
5531 | else if (*endp == '(') /* ) */ | |
5532 | count++; | |
5533 | } | |
5534 | /* ( */ | |
5535 | if (*endp != ')') | |
5536 | fatal ("malformed spec function arguments"); | |
5537 | args = save_string (p, endp - p); | |
5538 | p = ++endp; | |
5539 | ||
5540 | /* p now points to just past the end of the spec function expression. */ | |
5541 | ||
5542 | funcval = eval_spec_function (func, args); | |
5543 | if (funcval != NULL && do_spec_1 (funcval, 0, NULL) < 0) | |
5544 | p = NULL; | |
5545 | ||
5546 | free (func); | |
5547 | free (args); | |
5548 | ||
5549 | processing_spec_function--; | |
5550 | ||
5551 | return p; | |
5552 | } | |
5553 | ||
d7a9644e | 5554 | /* Return 0 if we call do_spec_1 and that returns -1. */ |
5555 | ||
e40d43cc | 5556 | static const char * |
d7a9644e | 5557 | handle_braces (p) |
19cb6b50 | 5558 | const char *p; |
d7a9644e | 5559 | { |
e40d43cc | 5560 | const char *filter, *body = NULL, *endbody = NULL; |
53ff1753 | 5561 | int pipe_p = 0; |
dead3293 | 5562 | int true_once = 0; /* If, in %{a|b:d}, at least one of a,b was seen. */ |
ae70654c | 5563 | int negate; |
5564 | int suffix; | |
faaf6e4c | 5565 | int include_blanks = 1; |
4a10d696 | 5566 | int elide_switch = 0; |
e1478c0f | 5567 | int ordered = 0; |
faaf6e4c | 5568 | |
5569 | if (*p == '^') | |
4a10d696 | 5570 | { |
5571 | /* A '^' after the open-brace means to not give blanks before args. */ | |
5572 | include_blanks = 0; | |
5573 | ++p; | |
5574 | } | |
d7a9644e | 5575 | |
5576 | if (*p == '|') | |
4a10d696 | 5577 | { |
5578 | /* A `|' after the open-brace means, | |
5579 | if the test fails, output a single minus sign rather than nothing. | |
5580 | This is used in %{|!pipe:...}. */ | |
5581 | pipe_p = 1; | |
5582 | ++p; | |
5583 | } | |
5584 | ||
5585 | if (*p == '<') | |
5586 | { | |
5587 | /* A `<' after the open-brace means that the switch should be | |
5588 | removed from the command-line. */ | |
5589 | elide_switch = 1; | |
5590 | ++p; | |
5591 | } | |
d7a9644e | 5592 | |
ae70654c | 5593 | next_member: |
5594 | negate = suffix = 0; | |
5595 | ||
d7a9644e | 5596 | if (*p == '!') |
5597 | /* A `!' after the open-brace negates the condition: | |
5598 | succeed if the specified switch is not present. */ | |
5599 | negate = 1, ++p; | |
5600 | ||
5601 | if (*p == '.') | |
5602 | /* A `.' after the open-brace means test against the current suffix. */ | |
5603 | { | |
53ff1753 | 5604 | if (pipe_p) |
d7a9644e | 5605 | abort (); |
5606 | ||
5607 | suffix = 1; | |
5608 | ++p; | |
5609 | } | |
5610 | ||
4a10d696 | 5611 | if (elide_switch && (negate || pipe_p || suffix)) |
5612 | { | |
5613 | /* It doesn't make sense to mix elision with other flags. We | |
5614 | could fatal() here, but the standard seems to be to abort. */ | |
5615 | abort (); | |
5616 | } | |
5617 | ||
e1478c0f | 5618 | next_ampersand: |
d7a9644e | 5619 | filter = p; |
e1478c0f | 5620 | while (*p != ':' && *p != '}' && *p != '|' && *p != '&') |
026f2c7a | 5621 | p++; |
ae70654c | 5622 | |
e1478c0f | 5623 | if (*p == '|' && (pipe_p || ordered)) |
ae70654c | 5624 | abort (); |
5625 | ||
5626 | if (!body) | |
d7a9644e | 5627 | { |
e1478c0f | 5628 | if (*p != '}' && *p != '&') |
026f2c7a | 5629 | { |
19cb6b50 | 5630 | int count = 1; |
5631 | const char *q = p; | |
ae70654c | 5632 | |
026f2c7a | 5633 | while (*q++ != ':') |
5634 | continue; | |
ae70654c | 5635 | body = q; |
2c815aff | 5636 | |
ae70654c | 5637 | while (count > 0) |
5638 | { | |
5639 | if (*q == '{') | |
026f2c7a | 5640 | count++; |
ae70654c | 5641 | else if (*q == '}') |
026f2c7a | 5642 | count--; |
ae70654c | 5643 | else if (*q == 0) |
cb8bacb6 | 5644 | fatal ("mismatched braces in specs"); |
ae70654c | 5645 | q++; |
5646 | } | |
5647 | endbody = q; | |
d7a9644e | 5648 | } |
ae70654c | 5649 | else |
026f2c7a | 5650 | body = p, endbody = p + 1; |
d7a9644e | 5651 | } |
d7a9644e | 5652 | |
5653 | if (suffix) | |
5654 | { | |
5655 | int found = (input_suffix != 0 | |
026f2c7a | 5656 | && (long) strlen (input_suffix) == (long) (p - filter) |
d7a9644e | 5657 | && strncmp (input_suffix, filter, p - filter) == 0); |
5658 | ||
ae70654c | 5659 | if (body[0] == '}') |
d7a9644e | 5660 | abort (); |
5661 | ||
5662 | if (negate != found | |
d946ea19 | 5663 | && do_spec_1 (save_string (body, endbody-body-1), 0, NULL) < 0) |
d7a9644e | 5664 | return 0; |
d7a9644e | 5665 | } |
e1478c0f | 5666 | else if (p[-1] == '*' && (p[0] == '}' || p[0] == '&')) |
d7a9644e | 5667 | { |
5668 | /* Substitute all matching switches as separate args. */ | |
19cb6b50 | 5669 | int i; |
e1478c0f | 5670 | |
d7a9644e | 5671 | for (i = 0; i < n_switches; i++) |
e1478c0f | 5672 | if (!strncmp (switches[i].part1, filter, p - 1 - filter) |
5673 | && check_live_switch (i, p - 1 - filter)) | |
647a377c | 5674 | { |
5675 | if (elide_switch) | |
5676 | { | |
5677 | switches[i].live_cond = SWITCH_IGNORE; | |
5678 | switches[i].validated = 1; | |
5679 | } | |
5680 | else | |
e1478c0f | 5681 | ordered = 1, switches[i].ordering = 1; |
647a377c | 5682 | } |
d7a9644e | 5683 | } |
5684 | else | |
5685 | { | |
5686 | /* Test for presence of the specified switch. */ | |
19cb6b50 | 5687 | int i; |
d7a9644e | 5688 | int present = 0; |
5689 | ||
5690 | /* If name specified ends in *, as in {x*:...}, | |
5691 | check for %* and handle that case. */ | |
5692 | if (p[-1] == '*' && !negate) | |
5693 | { | |
5694 | int substitution; | |
e40d43cc | 5695 | const char *r = body; |
d7a9644e | 5696 | |
5697 | /* First see whether we have %*. */ | |
5698 | substitution = 0; | |
ae70654c | 5699 | while (r < endbody) |
d7a9644e | 5700 | { |
5701 | if (*r == '%' && r[1] == '*') | |
5702 | substitution = 1; | |
5703 | r++; | |
5704 | } | |
5705 | /* If we do, handle that case. */ | |
5706 | if (substitution) | |
5707 | { | |
5708 | /* Substitute all matching switches as separate args. | |
5709 | But do this by substituting for %* | |
5710 | in the text that follows the colon. */ | |
5711 | ||
5712 | unsigned hard_match_len = p - filter - 1; | |
ae70654c | 5713 | char *string = save_string (body, endbody - body - 1); |
d7a9644e | 5714 | |
5715 | for (i = 0; i < n_switches; i++) | |
cde688ab | 5716 | if (!strncmp (switches[i].part1, filter, hard_match_len) |
d870e215 | 5717 | && check_live_switch (i, -1)) |
d7a9644e | 5718 | { |
5719 | do_spec_1 (string, 0, &switches[i].part1[hard_match_len]); | |
5720 | /* Pass any arguments this switch has. */ | |
3796373b | 5721 | give_switch (i, 1, 1); |
bdbd5352 | 5722 | suffix_subst = NULL; |
d7a9644e | 5723 | } |
5724 | ||
ae70654c | 5725 | /* We didn't match. Try again. */ |
5726 | if (*p++ == '|') | |
5727 | goto next_member; | |
5728 | return endbody; | |
d7a9644e | 5729 | } |
5730 | } | |
5731 | ||
5732 | /* If name specified ends in *, as in {x*:...}, | |
5733 | check for presence of any switch name starting with x. */ | |
5734 | if (p[-1] == '*') | |
5735 | { | |
5736 | for (i = 0; i < n_switches; i++) | |
5737 | { | |
5738 | unsigned hard_match_len = p - filter - 1; | |
5739 | ||
cde688ab | 5740 | if (!strncmp (switches[i].part1, filter, hard_match_len) |
5741 | && check_live_switch (i, hard_match_len)) | |
d7a9644e | 5742 | { |
d7a9644e | 5743 | present = 1; |
79cfd37d | 5744 | break; |
d7a9644e | 5745 | } |
5746 | } | |
5747 | } | |
5748 | /* Otherwise, check for presence of exact name specified. */ | |
5749 | else | |
5750 | { | |
5751 | for (i = 0; i < n_switches; i++) | |
5752 | { | |
5753 | if (!strncmp (switches[i].part1, filter, p - filter) | |
cde688ab | 5754 | && switches[i].part1[p - filter] == 0 |
d870e215 | 5755 | && check_live_switch (i, -1)) |
d7a9644e | 5756 | { |
d7a9644e | 5757 | present = 1; |
5758 | break; | |
5759 | } | |
5760 | } | |
5761 | } | |
5762 | ||
ae70654c | 5763 | /* If it is as desired (present for %{s...}, absent for %{!s...}) |
d7a9644e | 5764 | then substitute either the switch or the specified |
5765 | conditional text. */ | |
5766 | if (present != negate) | |
5767 | { | |
4a10d696 | 5768 | if (elide_switch) |
5769 | { | |
5770 | switches[i].live_cond = SWITCH_IGNORE; | |
5771 | switches[i].validated = 1; | |
5772 | } | |
e1478c0f | 5773 | else if (ordered || *p == '&') |
5774 | ordered = 1, switches[i].ordering = 1; | |
4a10d696 | 5775 | else if (*p == '}') |
e1478c0f | 5776 | give_switch (i, 0, include_blanks); |
d7a9644e | 5777 | else |
dead3293 | 5778 | /* Even if many alternatives are matched, only output once. */ |
5779 | true_once = 1; | |
d7a9644e | 5780 | } |
53ff1753 | 5781 | else if (pipe_p) |
d7a9644e | 5782 | { |
5783 | /* Here if a %{|...} conditional fails: output a minus sign, | |
5784 | which means "standard output" or "standard input". */ | |
d946ea19 | 5785 | do_spec_1 ("-", 0, NULL); |
ae70654c | 5786 | return endbody; |
d7a9644e | 5787 | } |
5788 | } | |
5789 | ||
ae70654c | 5790 | /* We didn't match; try again. */ |
5791 | if (*p++ == '|') | |
5792 | goto next_member; | |
5793 | ||
e1478c0f | 5794 | if (p[-1] == '&') |
5795 | { | |
5796 | body = 0; | |
5797 | goto next_ampersand; | |
5798 | } | |
5799 | ||
5800 | if (ordered) | |
5801 | { | |
5802 | int i; | |
5803 | /* Doing this set of switches later preserves their command-line | |
5804 | ordering. This is needed for e.g. -U, -D and -A. */ | |
5805 | for (i = 0; i < n_switches; i++) | |
5806 | if (switches[i].ordering == 1) | |
5807 | { | |
5808 | switches[i].ordering = 0; | |
5809 | give_switch (i, 0, include_blanks); | |
5810 | } | |
5811 | } | |
dead3293 | 5812 | /* Process the spec just once, regardless of match count. */ |
e1478c0f | 5813 | else if (true_once) |
dead3293 | 5814 | { |
5815 | if (do_spec_1 (save_string (body, endbody - body - 1), | |
d946ea19 | 5816 | 0, NULL) < 0) |
dead3293 | 5817 | return 0; |
5818 | } | |
5819 | ||
ae70654c | 5820 | return endbody; |
d7a9644e | 5821 | } |
cde688ab | 5822 | \f |
d870e215 | 5823 | /* Return 0 iff switch number SWITCHNUM is obsoleted by a later switch |
5824 | on the command line. PREFIX_LENGTH is the length of XXX in an {XXX*} | |
5825 | spec, or -1 if either exact match or %* is used. | |
cde688ab | 5826 | |
5827 | A -O switch is obsoleted by a later -O switch. A -f, -m, or -W switch | |
5828 | whose value does not begin with "no-" is obsoleted by the same value | |
5829 | with the "no-", similarly for a switch with the "no-" prefix. */ | |
5830 | ||
5831 | static int | |
d870e215 | 5832 | check_live_switch (switchnum, prefix_length) |
cde688ab | 5833 | int switchnum; |
d870e215 | 5834 | int prefix_length; |
cde688ab | 5835 | { |
e40d43cc | 5836 | const char *name = switches[switchnum].part1; |
cde688ab | 5837 | int i; |
5838 | ||
d870e215 | 5839 | /* In the common case of {<at-most-one-letter>*}, a negating |
cde688ab | 5840 | switch would always match, so ignore that case. We will just |
5841 | send the conflicting switches to the compiler phase. */ | |
d870e215 | 5842 | if (prefix_length >= 0 && prefix_length <= 1) |
cde688ab | 5843 | return 1; |
5844 | ||
5845 | /* If we already processed this switch and determined if it was | |
5846 | live or not, return our past determination. */ | |
5847 | if (switches[switchnum].live_cond != 0) | |
5848 | return switches[switchnum].live_cond > 0; | |
5849 | ||
5850 | /* Now search for duplicate in a manner that depends on the name. */ | |
5851 | switch (*name) | |
5852 | { | |
5853 | case 'O': | |
026f2c7a | 5854 | for (i = switchnum + 1; i < n_switches; i++) |
5855 | if (switches[i].part1[0] == 'O') | |
5856 | { | |
5857 | switches[switchnum].validated = 1; | |
5858 | switches[switchnum].live_cond = SWITCH_FALSE; | |
5859 | return 0; | |
5860 | } | |
cde688ab | 5861 | break; |
d7a9644e | 5862 | |
cde688ab | 5863 | case 'W': case 'f': case 'm': |
d870e215 | 5864 | if (! strncmp (name + 1, "no-", 3)) |
cde688ab | 5865 | { |
a92771b8 | 5866 | /* We have Xno-YYY, search for XYYY. */ |
cde688ab | 5867 | for (i = switchnum + 1; i < n_switches; i++) |
5868 | if (switches[i].part1[0] == name[0] | |
5869 | && ! strcmp (&switches[i].part1[1], &name[4])) | |
026f2c7a | 5870 | { |
5871 | switches[switchnum].validated = 1; | |
5872 | switches[switchnum].live_cond = SWITCH_FALSE; | |
5873 | return 0; | |
5874 | } | |
cde688ab | 5875 | } |
5876 | else | |
5877 | { | |
5878 | /* We have XYYY, search for Xno-YYY. */ | |
5879 | for (i = switchnum + 1; i < n_switches; i++) | |
5880 | if (switches[i].part1[0] == name[0] | |
5881 | && switches[i].part1[1] == 'n' | |
5882 | && switches[i].part1[2] == 'o' | |
5883 | && switches[i].part1[3] == '-' | |
5884 | && !strcmp (&switches[i].part1[4], &name[1])) | |
026f2c7a | 5885 | { |
5886 | switches[switchnum].validated = 1; | |
5887 | switches[switchnum].live_cond = SWITCH_FALSE; | |
5888 | return 0; | |
5889 | } | |
cde688ab | 5890 | } |
5891 | break; | |
5892 | } | |
5893 | ||
5894 | /* Otherwise the switch is live. */ | |
4a10d696 | 5895 | switches[switchnum].live_cond = SWITCH_LIVE; |
cde688ab | 5896 | return 1; |
5897 | } | |
5898 | \f | |
d7a9644e | 5899 | /* Pass a switch to the current accumulating command |
5900 | in the same form that we received it. | |
5901 | SWITCHNUM identifies the switch; it is an index into | |
5902 | the vector of switches gcc received, which is `switches'. | |
5903 | This cannot fail since it never finishes a command line. | |
5904 | ||
3796373b | 5905 | If OMIT_FIRST_WORD is nonzero, then we omit .part1 of the argument. |
5906 | ||
5907 | If INCLUDE_BLANKS is nonzero, then we include blanks before each argument | |
5908 | of the switch. */ | |
d7a9644e | 5909 | |
5910 | static void | |
3796373b | 5911 | give_switch (switchnum, omit_first_word, include_blanks) |
d7a9644e | 5912 | int switchnum; |
5913 | int omit_first_word; | |
3796373b | 5914 | int include_blanks; |
d7a9644e | 5915 | { |
4a10d696 | 5916 | if (switches[switchnum].live_cond == SWITCH_IGNORE) |
5917 | return; | |
5918 | ||
d7a9644e | 5919 | if (!omit_first_word) |
5920 | { | |
d946ea19 | 5921 | do_spec_1 ("-", 0, NULL); |
5922 | do_spec_1 (switches[switchnum].part1, 1, NULL); | |
d7a9644e | 5923 | } |
3796373b | 5924 | |
d7a9644e | 5925 | if (switches[switchnum].args != 0) |
5926 | { | |
2508fdc3 | 5927 | const char **p; |
d7a9644e | 5928 | for (p = switches[switchnum].args; *p; p++) |
5929 | { | |
bdbd5352 | 5930 | const char *arg = *p; |
5931 | ||
3796373b | 5932 | if (include_blanks) |
d946ea19 | 5933 | do_spec_1 (" ", 0, NULL); |
bdbd5352 | 5934 | if (suffix_subst) |
5935 | { | |
5936 | unsigned length = strlen (arg); | |
633199a0 | 5937 | int dot = 0; |
bdbd5352 | 5938 | |
5939 | while (length-- && !IS_DIR_SEPARATOR (arg[length])) | |
5940 | if (arg[length] == '.') | |
5941 | { | |
5942 | ((char *)arg)[length] = 0; | |
633199a0 | 5943 | dot = 1; |
bdbd5352 | 5944 | break; |
5945 | } | |
d946ea19 | 5946 | do_spec_1 (arg, 1, NULL); |
633199a0 | 5947 | if (dot) |
5948 | ((char *)arg)[length] = '.'; | |
5949 | do_spec_1 (suffix_subst, 1, NULL); | |
bdbd5352 | 5950 | } |
5951 | else | |
d946ea19 | 5952 | do_spec_1 (arg, 1, NULL); |
d7a9644e | 5953 | } |
5954 | } | |
3796373b | 5955 | |
d946ea19 | 5956 | do_spec_1 (" ", 0, NULL); |
be2828ce | 5957 | switches[switchnum].validated = 1; |
d7a9644e | 5958 | } |
5959 | \f | |
5960 | /* Search for a file named NAME trying various prefixes including the | |
5961 | user's -B prefix and some standard ones. | |
5962 | Return the absolute file name found. If nothing is found, return NAME. */ | |
5963 | ||
e40d43cc | 5964 | static const char * |
d7a9644e | 5965 | find_file (name) |
e40d43cc | 5966 | const char *name; |
d7a9644e | 5967 | { |
5968 | char *newname; | |
5969 | ||
9577d478 | 5970 | /* Try multilib_dir if it is defined. */ |
c954ff02 | 5971 | if (multilib_os_dir != NULL) |
9577d478 | 5972 | { |
c954ff02 | 5973 | newname = find_a_file (&startfile_prefixes, name, R_OK, 1); |
9577d478 | 5974 | |
5975 | /* If we don't find it in the multi library dir, then fall | |
5976 | through and look for it in the normal places. */ | |
5977 | if (newname != NULL) | |
5978 | return newname; | |
5979 | } | |
5980 | ||
c954ff02 | 5981 | newname = find_a_file (&startfile_prefixes, name, R_OK, 0); |
d7a9644e | 5982 | return newname ? newname : name; |
5983 | } | |
5984 | ||
c049b2ee | 5985 | /* Determine whether a directory exists. If LINKER, return 0 for |
5986 | certain fixed names not needed by the linker. If not LINKER, it is | |
5987 | only important to return 0 if the host machine has a small ARG_MAX | |
5988 | limit. */ | |
d7a9644e | 5989 | |
5990 | static int | |
c049b2ee | 5991 | is_directory (path1, path2, linker) |
e40d43cc | 5992 | const char *path1; |
5993 | const char *path2; | |
c049b2ee | 5994 | int linker; |
d7a9644e | 5995 | { |
5996 | int len1 = strlen (path1); | |
5997 | int len2 = strlen (path2); | |
5998 | char *path = (char *) alloca (3 + len1 + len2); | |
5999 | char *cp; | |
6000 | struct stat st; | |
6001 | ||
c049b2ee | 6002 | #ifndef SMALL_ARG_MAX |
6003 | if (! linker) | |
6004 | return 1; | |
6005 | #endif | |
6006 | ||
d7a9644e | 6007 | /* Construct the path from the two parts. Ensure the string ends with "/.". |
6008 | The resulting path will be a directory even if the given path is a | |
6009 | symbolic link. */ | |
d7e36a01 | 6010 | memcpy (path, path1, len1); |
6011 | memcpy (path + len1, path2, len2); | |
d7a9644e | 6012 | cp = path + len1 + len2; |
79b23a1e | 6013 | if (!IS_DIR_SEPARATOR (cp[-1])) |
b9374a77 | 6014 | *cp++ = DIR_SEPARATOR; |
d7a9644e | 6015 | *cp++ = '.'; |
6016 | *cp = '\0'; | |
6017 | ||
6018 | /* Exclude directories that the linker is known to search. */ | |
c049b2ee | 6019 | if (linker |
b9374a77 | 6020 | && ((cp - path == 6 |
2c815aff | 6021 | && strcmp (path, concat (dir_separator_str, "lib", |
4e2023c8 | 6022 | dir_separator_str, ".", NULL)) == 0) |
b9374a77 | 6023 | || (cp - path == 10 |
2c815aff | 6024 | && strcmp (path, concat (dir_separator_str, "usr", |
6025 | dir_separator_str, "lib", | |
4e2023c8 | 6026 | dir_separator_str, ".", NULL)) == 0))) |
d7a9644e | 6027 | return 0; |
6028 | ||
6029 | return (stat (path, &st) >= 0 && S_ISDIR (st.st_mode)); | |
6030 | } | |
397f1574 | 6031 | |
6032 | /* Set up the various global variables to indicate that we're processing | |
6033 | the input file named FILENAME. */ | |
6034 | ||
32d661fc | 6035 | void |
397f1574 | 6036 | set_input (filename) |
6037 | const char *filename; | |
6038 | { | |
19cb6b50 | 6039 | const char *p; |
397f1574 | 6040 | |
6041 | input_filename = filename; | |
6042 | input_filename_length = strlen (input_filename); | |
2c815aff | 6043 | |
397f1574 | 6044 | input_basename = input_filename; |
c06266bb | 6045 | #ifdef HAVE_DOS_BASED_FILE_SYSTEM |
6046 | /* Skip drive name so 'x:foo' is handled properly. */ | |
6047 | if (input_basename[1] == ':') | |
6048 | input_basename += 2; | |
6049 | #endif | |
6050 | for (p = input_basename; *p; p++) | |
397f1574 | 6051 | if (IS_DIR_SEPARATOR (*p)) |
6052 | input_basename = p + 1; | |
6053 | ||
6054 | /* Find a suffix starting with the last period, | |
6055 | and set basename_length to exclude that suffix. */ | |
6056 | basename_length = strlen (input_basename); | |
1cf79a1a | 6057 | suffixed_basename_length = basename_length; |
397f1574 | 6058 | p = input_basename + basename_length; |
026f2c7a | 6059 | while (p != input_basename && *p != '.') |
6060 | --p; | |
397f1574 | 6061 | if (*p == '.' && p != input_basename) |
6062 | { | |
6063 | basename_length = p - input_basename; | |
6064 | input_suffix = p + 1; | |
6065 | } | |
6066 | else | |
6067 | input_suffix = ""; | |
3cfec666 | 6068 | |
74e4079a | 6069 | /* If a spec for 'g', 'u', or 'U' is seen with -save-temps then |
6070 | we will need to do a stat on the input_filename. The | |
6071 | INPUT_STAT_SET signals that the stat is needed. */ | |
6072 | input_stat_set = 0; | |
397f1574 | 6073 | } |
d7a9644e | 6074 | \f |
6075 | /* On fatal signals, delete all the temporary files. */ | |
6076 | ||
6077 | static void | |
6078 | fatal_error (signum) | |
6079 | int signum; | |
6080 | { | |
6081 | signal (signum, SIG_DFL); | |
6082 | delete_failure_queue (); | |
6083 | delete_temp_files (); | |
6084 | /* Get the same signal again, this time not handled, | |
6085 | so its normal effect occurs. */ | |
6086 | kill (getpid (), signum); | |
6087 | } | |
6088 | ||
826f6505 | 6089 | extern int main PARAMS ((int, const char *const *)); |
2ff5acce | 6090 | |
d7a9644e | 6091 | int |
6092 | main (argc, argv) | |
6093 | int argc; | |
826f6505 | 6094 | const char *const *argv; |
d7a9644e | 6095 | { |
1cf79a1a | 6096 | size_t i; |
d7a9644e | 6097 | int value; |
d7a9644e | 6098 | int linker_was_run = 0; |
6099 | char *explicit_link_files; | |
6100 | char *specs_file; | |
e40d43cc | 6101 | const char *p; |
9d70d39c | 6102 | struct user_specs *uptr; |
d7a9644e | 6103 | |
1764779d | 6104 | p = argv[0] + strlen (argv[0]); |
79b23a1e | 6105 | while (p != argv[0] && !IS_DIR_SEPARATOR (p[-1])) |
6106 | --p; | |
1764779d | 6107 | programname = p; |
d7a9644e | 6108 | |
6deeea15 | 6109 | xmalloc_set_program_name (programname); |
6110 | ||
4e79af62 | 6111 | #ifdef GCC_DRIVER_HOST_INITIALIZATION |
424da949 | 6112 | /* Perform host dependent initialization when needed. */ |
4e79af62 | 6113 | GCC_DRIVER_HOST_INITIALIZATION; |
6114 | #endif | |
6115 | ||
eb718689 | 6116 | gcc_init_libintl (); |
be2828ce | 6117 | |
d7a9644e | 6118 | if (signal (SIGINT, SIG_IGN) != SIG_IGN) |
6119 | signal (SIGINT, fatal_error); | |
294a029f | 6120 | #ifdef SIGHUP |
d7a9644e | 6121 | if (signal (SIGHUP, SIG_IGN) != SIG_IGN) |
6122 | signal (SIGHUP, fatal_error); | |
294a029f | 6123 | #endif |
d7a9644e | 6124 | if (signal (SIGTERM, SIG_IGN) != SIG_IGN) |
6125 | signal (SIGTERM, fatal_error); | |
6126 | #ifdef SIGPIPE | |
6127 | if (signal (SIGPIPE, SIG_IGN) != SIG_IGN) | |
6128 | signal (SIGPIPE, fatal_error); | |
6129 | #endif | |
6b917287 | 6130 | #ifdef SIGCHLD |
1a3768bc | 6131 | /* We *MUST* set SIGCHLD to SIG_DFL so that the wait4() call will |
6132 | receive the signal. A different setting is inheritable */ | |
6133 | signal (SIGCHLD, SIG_DFL); | |
6b917287 | 6134 | #endif |
d7a9644e | 6135 | |
c21b3276 | 6136 | /* Allocate the argument vector. */ |
6137 | alloc_args (); | |
d7a9644e | 6138 | |
6139 | obstack_init (&obstack); | |
6140 | ||
3d97d965 | 6141 | /* Build multilib_select, et. al from the separate lines that make up each |
6142 | multilib selection. */ | |
709c4e1b | 6143 | { |
e772a198 | 6144 | const char *const *q = multilib_raw; |
3d97d965 | 6145 | int need_space; |
709c4e1b | 6146 | |
6147 | obstack_init (&multilib_obstack); | |
a92771b8 | 6148 | while ((p = *q++) != (char *) 0) |
709c4e1b | 6149 | obstack_grow (&multilib_obstack, p, strlen (p)); |
6150 | ||
6151 | obstack_1grow (&multilib_obstack, 0); | |
6152 | multilib_select = obstack_finish (&multilib_obstack); | |
3d97d965 | 6153 | |
6154 | q = multilib_matches_raw; | |
6155 | while ((p = *q++) != (char *) 0) | |
6156 | obstack_grow (&multilib_obstack, p, strlen (p)); | |
6157 | ||
6158 | obstack_1grow (&multilib_obstack, 0); | |
6159 | multilib_matches = obstack_finish (&multilib_obstack); | |
6160 | ||
54518c3b | 6161 | q = multilib_exclusions_raw; |
6162 | while ((p = *q++) != (char *) 0) | |
026f2c7a | 6163 | obstack_grow (&multilib_obstack, p, strlen (p)); |
54518c3b | 6164 | |
6165 | obstack_1grow (&multilib_obstack, 0); | |
6166 | multilib_exclusions = obstack_finish (&multilib_obstack); | |
2c815aff | 6167 | |
3d97d965 | 6168 | need_space = FALSE; |
3098b2d3 | 6169 | for (i = 0; i < ARRAY_SIZE (multilib_defaults_raw); i++) |
3d97d965 | 6170 | { |
6171 | if (need_space) | |
6172 | obstack_1grow (&multilib_obstack, ' '); | |
6173 | obstack_grow (&multilib_obstack, | |
6174 | multilib_defaults_raw[i], | |
6175 | strlen (multilib_defaults_raw[i])); | |
6176 | need_space = TRUE; | |
6177 | } | |
6178 | ||
6179 | obstack_1grow (&multilib_obstack, 0); | |
6180 | multilib_defaults = obstack_finish (&multilib_obstack); | |
709c4e1b | 6181 | } |
6182 | ||
8894538a | 6183 | /* Set up to remember the pathname of gcc and any options |
5ab8e330 | 6184 | needed for collect. We use argv[0] instead of programname because |
6185 | we need the complete pathname. */ | |
8894538a | 6186 | obstack_init (&collect_obstack); |
026f2c7a | 6187 | obstack_grow (&collect_obstack, "COLLECT_GCC=", sizeof ("COLLECT_GCC=") - 1); |
6188 | obstack_grow (&collect_obstack, argv[0], strlen (argv[0]) + 1); | |
8894538a | 6189 | putenv (obstack_finish (&collect_obstack)); |
6190 | ||
bba01ba8 | 6191 | #ifdef INIT_ENVIRONMENT |
6192 | /* Set up any other necessary machine specific environment variables. */ | |
6193 | putenv (INIT_ENVIRONMENT); | |
6194 | #endif | |
6195 | ||
d7a9644e | 6196 | /* Make a table of what switches there are (switches, n_switches). |
6197 | Make a table of specified input files (infiles, n_infiles). | |
6198 | Decode switches that are handled locally. */ | |
6199 | ||
6200 | process_command (argc, argv); | |
6201 | ||
73023f49 | 6202 | /* Process DRIVER_SELF_SPECS, adding any new options to the end |
6203 | of the command line. */ | |
6204 | ||
6205 | for (i = 0; i < ARRAY_SIZE (driver_self_specs); i++) | |
6206 | do_self_spec (driver_self_specs[i]); | |
6207 | ||
d7a9644e | 6208 | /* Initialize the vector of specs to just the default. |
6209 | This means one element containing 0s, as a terminator. */ | |
6210 | ||
6211 | compilers = (struct compiler *) xmalloc (sizeof default_compilers); | |
d5130039 | 6212 | memcpy ((char *) compilers, (char *) default_compilers, |
6213 | sizeof default_compilers); | |
d7a9644e | 6214 | n_compilers = n_default_compilers; |
6215 | ||
6216 | /* Read specs from a file if there is one. */ | |
6217 | ||
3441e5dd | 6218 | machine_suffix = concat (spec_machine, dir_separator_str, |
4e2023c8 | 6219 | spec_version, dir_separator_str, NULL); |
6220 | just_machine_suffix = concat (spec_machine, dir_separator_str, NULL); | |
d7a9644e | 6221 | |
c954ff02 | 6222 | specs_file = find_a_file (&startfile_prefixes, "specs", R_OK, 0); |
d7a9644e | 6223 | /* Read the specs file unless it is a default one. */ |
6224 | if (specs_file != 0 && strcmp (specs_file, "specs")) | |
4582d741 | 6225 | read_specs (specs_file, TRUE); |
6226 | else | |
6227 | init_spec (); | |
8b351d3c | 6228 | |
c71f4af0 | 6229 | /* We need to check standard_exec_prefix/just_machine_suffix/specs |
d4ea3b1f | 6230 | for any override of as, ld and libraries. */ |
c71f4af0 | 6231 | specs_file = (char *) alloca (strlen (standard_exec_prefix) |
6232 | + strlen (just_machine_suffix) | |
6233 | + sizeof ("specs")); | |
6234 | ||
6235 | strcpy (specs_file, standard_exec_prefix); | |
6236 | strcat (specs_file, just_machine_suffix); | |
6237 | strcat (specs_file, "specs"); | |
6238 | if (access (specs_file, R_OK) == 0) | |
6239 | read_specs (specs_file, TRUE); | |
2c815aff | 6240 | |
4ae4e5e8 | 6241 | /* If not cross-compiling, look for startfiles in the standard places. |
6242 | Similarly, don't add the standard prefixes if startfile handling | |
6243 | will be under control of startfile_prefix_spec. */ | |
6ec5ffc0 | 6244 | if (*cross_compile == '0' && *startfile_prefix_spec == 0) |
a45072dd | 6245 | { |
bfb9bc39 | 6246 | if (*md_exec_prefix) |
6247 | { | |
6248 | add_prefix (&exec_prefixes, md_exec_prefix, "GCC", | |
c954ff02 | 6249 | PREFIX_PRIORITY_LAST, 0, NULL, 0); |
bfb9bc39 | 6250 | add_prefix (&startfile_prefixes, md_exec_prefix, "GCC", |
c954ff02 | 6251 | PREFIX_PRIORITY_LAST, 0, NULL, 0); |
bfb9bc39 | 6252 | } |
a45072dd | 6253 | |
bfb9bc39 | 6254 | if (*md_startfile_prefix) |
6255 | add_prefix (&startfile_prefixes, md_startfile_prefix, "GCC", | |
c954ff02 | 6256 | PREFIX_PRIORITY_LAST, 0, NULL, 1); |
a45072dd | 6257 | |
bfb9bc39 | 6258 | if (*md_startfile_prefix_1) |
6259 | add_prefix (&startfile_prefixes, md_startfile_prefix_1, "GCC", | |
c954ff02 | 6260 | PREFIX_PRIORITY_LAST, 0, NULL, 1); |
1121f96b | 6261 | |
86e5f097 | 6262 | /* If standard_startfile_prefix is relative, base it on |
6263 | standard_exec_prefix. This lets us move the installed tree | |
6264 | as a unit. If GCC_EXEC_PREFIX is defined, base | |
6265 | standard_startfile_prefix on that as well. */ | |
7d3bd8c0 | 6266 | if (IS_ABSOLUTE_PATHNAME (standard_startfile_prefix)) |
0dbd1c74 | 6267 | add_prefix (&startfile_prefixes, standard_startfile_prefix, "BINUTILS", |
c954ff02 | 6268 | PREFIX_PRIORITY_LAST, 0, NULL, 1); |
86e5f097 | 6269 | else |
6270 | { | |
6271 | if (gcc_exec_prefix) | |
b9374a77 | 6272 | add_prefix (&startfile_prefixes, |
3441e5dd | 6273 | concat (gcc_exec_prefix, machine_suffix, |
4e2023c8 | 6274 | standard_startfile_prefix, NULL), |
c954ff02 | 6275 | NULL, PREFIX_PRIORITY_LAST, 0, NULL, 1); |
b9374a77 | 6276 | add_prefix (&startfile_prefixes, |
3441e5dd | 6277 | concat (standard_exec_prefix, |
6278 | machine_suffix, | |
4e2023c8 | 6279 | standard_startfile_prefix, NULL), |
c954ff02 | 6280 | NULL, PREFIX_PRIORITY_LAST, 0, NULL, 1); |
2c815aff | 6281 | } |
86e5f097 | 6282 | |
0dbd1c74 | 6283 | add_prefix (&startfile_prefixes, standard_startfile_prefix_1, |
c954ff02 | 6284 | "BINUTILS", PREFIX_PRIORITY_LAST, 0, NULL, 1); |
0dbd1c74 | 6285 | add_prefix (&startfile_prefixes, standard_startfile_prefix_2, |
c954ff02 | 6286 | "BINUTILS", PREFIX_PRIORITY_LAST, 0, NULL, 1); |
a45072dd | 6287 | #if 0 /* Can cause surprises, and one can use -B./ instead. */ |
d946ea19 | 6288 | add_prefix (&startfile_prefixes, "./", NULL, |
c954ff02 | 6289 | PREFIX_PRIORITY_LAST, 1, NULL, 0); |
a45072dd | 6290 | #endif |
6291 | } | |
533d7727 | 6292 | else |
6293 | { | |
7d3bd8c0 | 6294 | if (!IS_ABSOLUTE_PATHNAME (standard_startfile_prefix) |
6295 | && gcc_exec_prefix) | |
533d7727 | 6296 | add_prefix (&startfile_prefixes, |
3441e5dd | 6297 | concat (gcc_exec_prefix, machine_suffix, |
4e2023c8 | 6298 | standard_startfile_prefix, NULL), |
c954ff02 | 6299 | "BINUTILS", PREFIX_PRIORITY_LAST, 0, NULL, 1); |
533d7727 | 6300 | } |
6301 | ||
4ae4e5e8 | 6302 | if (*startfile_prefix_spec != 0 |
6303 | && do_spec_2 (startfile_prefix_spec) == 0 | |
6304 | && do_spec_1 (" ", 0, NULL) == 0) | |
6305 | { | |
6306 | int ndx; | |
6307 | for (ndx = 0; ndx < argbuf_index; ndx++) | |
6308 | add_prefix (&startfile_prefixes, argbuf[ndx], "BINUTILS", | |
c954ff02 | 6309 | PREFIX_PRIORITY_LAST, 0, NULL, 1); |
4ae4e5e8 | 6310 | } |
6311 | ||
c15af0eb | 6312 | /* Process any user specified specs in the order given on the command |
6313 | line. */ | |
6314 | for (uptr = user_specs_head; uptr; uptr = uptr->next) | |
6315 | { | |
c954ff02 | 6316 | char *filename = find_a_file (&startfile_prefixes, uptr->filename, |
6317 | R_OK, 0); | |
c15af0eb | 6318 | read_specs (filename ? filename : uptr->filename, FALSE); |
6319 | } | |
6320 | ||
533d7727 | 6321 | /* If we have a GCC_EXEC_PREFIX envvar, modify it for cpp's sake. */ |
6322 | if (gcc_exec_prefix) | |
47950139 | 6323 | gcc_exec_prefix = concat (gcc_exec_prefix, spec_machine, dir_separator_str, |
6324 | spec_version, dir_separator_str, NULL); | |
a45072dd | 6325 | |
d7a9644e | 6326 | /* Now we have the specs. |
6327 | Set the `valid' bits for switches that match anything in any spec. */ | |
6328 | ||
6329 | validate_all_switches (); | |
6330 | ||
9577d478 | 6331 | /* Now that we have the switches and the specs, set |
6332 | the subdirectory based on the options. */ | |
6333 | set_multilib_dir (); | |
6334 | ||
d7a9644e | 6335 | /* Warn about any switches that no pass was interested in. */ |
6336 | ||
026f2c7a | 6337 | for (i = 0; (int) i < n_switches; i++) |
be2828ce | 6338 | if (! switches[i].validated) |
d7a9644e | 6339 | error ("unrecognized option `-%s'", switches[i].part1); |
6340 | ||
1c1a1c70 | 6341 | /* Obey some of the options. */ |
6342 | ||
71cee7b1 | 6343 | if (print_search_dirs) |
6344 | { | |
a4db0a1d | 6345 | printf (_("install: %s%s\n"), standard_exec_prefix, machine_suffix); |
6346 | printf (_("programs: %s\n"), build_search_list (&exec_prefixes, "", 0)); | |
6347 | printf (_("libraries: %s\n"), build_search_list (&startfile_prefixes, "", 0)); | |
7f0b0c27 | 6348 | return (0); |
71cee7b1 | 6349 | } |
6350 | ||
1c1a1c70 | 6351 | if (print_file_name) |
5e3dea2b | 6352 | { |
1c1a1c70 | 6353 | printf ("%s\n", find_file (print_file_name)); |
7f0b0c27 | 6354 | return (0); |
5e3dea2b | 6355 | } |
6356 | ||
1c1a1c70 | 6357 | if (print_prog_name) |
6358 | { | |
c954ff02 | 6359 | char *newname = find_a_file (&exec_prefixes, print_prog_name, X_OK, 0); |
1c1a1c70 | 6360 | printf ("%s\n", (newname ? newname : print_prog_name)); |
7f0b0c27 | 6361 | return (0); |
1c1a1c70 | 6362 | } |
d7a9644e | 6363 | |
9577d478 | 6364 | if (print_multi_lib) |
6365 | { | |
6366 | print_multilib_info (); | |
7f0b0c27 | 6367 | return (0); |
9577d478 | 6368 | } |
6369 | ||
6370 | if (print_multi_directory) | |
6371 | { | |
6372 | if (multilib_dir == NULL) | |
6373 | printf (".\n"); | |
6374 | else | |
6375 | printf ("%s\n", multilib_dir); | |
7f0b0c27 | 6376 | return (0); |
9577d478 | 6377 | } |
6378 | ||
c954ff02 | 6379 | if (print_multi_os_directory) |
6380 | { | |
6381 | if (multilib_os_dir == NULL) | |
6382 | printf (".\n"); | |
6383 | else | |
6384 | printf ("%s\n", multilib_os_dir); | |
6385 | return (0); | |
6386 | } | |
6387 | ||
7a6882ca | 6388 | if (target_help_flag) |
6389 | { | |
04641143 | 6390 | /* Print if any target specific options. */ |
7a6882ca | 6391 | |
6392 | /* We do not exit here. Instead we have created a fake input file | |
6393 | called 'target-dummy' which needs to be compiled, and we pass this | |
6394 | on to the various sub-processes, along with the --target-help | |
aa40f561 | 6395 | switch. */ |
7a6882ca | 6396 | } |
6397 | ||
8ace789a | 6398 | if (print_help_list) |
6399 | { | |
6400 | display_help (); | |
6401 | ||
6402 | if (! verbose_flag) | |
6403 | { | |
a4db0a1d | 6404 | printf (_("\nFor bug reporting instructions, please see:\n")); |
4b5ee00b | 6405 | printf ("%s.\n", bug_report_url); |
2c815aff | 6406 | |
7f0b0c27 | 6407 | return (0); |
8ace789a | 6408 | } |
6409 | ||
6410 | /* We do not exit here. Instead we have created a fake input file | |
6411 | called 'help-dummy' which needs to be compiled, and we pass this | |
20dd417a | 6412 | on the various sub-processes, along with the --help switch. */ |
8ace789a | 6413 | } |
2c815aff | 6414 | |
d7a9644e | 6415 | if (verbose_flag) |
6416 | { | |
e3ccb76d | 6417 | int n; |
d1cac662 | 6418 | const char *thrmod; |
e3ccb76d | 6419 | |
4a0e2d42 | 6420 | notice ("Configured with: %s\n", configuration_arguments); |
6421 | ||
d1cac662 | 6422 | #ifdef THREAD_MODEL_SPEC |
6423 | /* We could have defined THREAD_MODEL_SPEC to "%*" by default, | |
6424 | but there's no point in doing all this processing just to get | |
6425 | thread_model back. */ | |
6426 | obstack_init (&obstack); | |
6427 | do_spec_1 (THREAD_MODEL_SPEC, 0, thread_model); | |
6428 | obstack_1grow (&obstack, '\0'); | |
6429 | thrmod = obstack_finish (&obstack); | |
6430 | #else | |
6431 | thrmod = thread_model; | |
6432 | #endif | |
6433 | ||
6434 | notice ("Thread model: %s\n", thrmod); | |
6d72c630 | 6435 | |
e3ccb76d | 6436 | /* compiler_version is truncated at the first space when initialized |
6437 | from version string, so truncate version_string at the first space | |
6438 | before comparing. */ | |
6439 | for (n = 0; version_string[n]; n++) | |
6440 | if (version_string[n] == ' ') | |
6441 | break; | |
6442 | ||
6443 | if (! strncmp (version_string, compiler_version, n) | |
6444 | && compiler_version[n] == 0) | |
be2828ce | 6445 | notice ("gcc version %s\n", version_string); |
845bccef | 6446 | else |
be2828ce | 6447 | notice ("gcc driver version %s executing gcc version %s\n", |
6448 | version_string, compiler_version); | |
845bccef | 6449 | |
d7a9644e | 6450 | if (n_infiles == 0) |
7f0b0c27 | 6451 | return (0); |
d7a9644e | 6452 | } |
6453 | ||
9e56255a | 6454 | if (n_infiles == added_libraries) |
cb8bacb6 | 6455 | fatal ("no input files"); |
d7a9644e | 6456 | |
6457 | /* Make a place to record the compiler output file names | |
6458 | that correspond to the input files. */ | |
6459 | ||
f9b7c0b9 | 6460 | i = n_infiles; |
5272ae11 | 6461 | i += lang_specific_extra_outfiles; |
713829e9 | 6462 | outfiles = (const char **) xcalloc (i, sizeof (char *)); |
d7a9644e | 6463 | |
6464 | /* Record which files were specified explicitly as link input. */ | |
6465 | ||
713829e9 | 6466 | explicit_link_files = xcalloc (1, n_infiles); |
d7a9644e | 6467 | |
026f2c7a | 6468 | for (i = 0; (int) i < n_infiles; i++) |
d7a9644e | 6469 | { |
d7a9644e | 6470 | int this_file_error = 0; |
6471 | ||
6472 | /* Tell do_spec what to substitute for %i. */ | |
6473 | ||
d7a9644e | 6474 | input_file_number = i; |
397f1574 | 6475 | set_input (infiles[i].name); |
d7a9644e | 6476 | |
6477 | /* Use the same thing in %o, unless cp->spec says otherwise. */ | |
6478 | ||
6479 | outfiles[i] = input_filename; | |
6480 | ||
6481 | /* Figure out which compiler from the file's suffix. */ | |
6482 | ||
96842e40 | 6483 | input_file_compiler |
6484 | = lookup_compiler (infiles[i].name, input_filename_length, | |
6485 | infiles[i].language); | |
3cfec666 | 6486 | |
96842e40 | 6487 | if (input_file_compiler) |
d7a9644e | 6488 | { |
6489 | /* Ok, we found an applicable compiler. Run its spec. */ | |
d7a9644e | 6490 | |
96842e40 | 6491 | if (input_file_compiler->spec[0] == '#') |
ce52dcfa | 6492 | { |
6493 | error ("%s: %s compiler not installed on this system", | |
6494 | input_filename, &input_file_compiler->spec[1]); | |
6495 | this_file_error = 1; | |
6496 | } | |
6497 | else | |
6498 | { | |
6499 | value = do_spec (input_file_compiler->spec); | |
6500 | if (value < 0) | |
6501 | this_file_error = 1; | |
6502 | } | |
d7a9644e | 6503 | } |
6504 | ||
6505 | /* If this file's name does not contain a recognized suffix, | |
6506 | record it as explicit linker input. */ | |
6507 | ||
6508 | else | |
6509 | explicit_link_files[i] = 1; | |
6510 | ||
6511 | /* Clear the delete-on-failure queue, deleting the files in it | |
6512 | if this compilation failed. */ | |
6513 | ||
6514 | if (this_file_error) | |
6515 | { | |
6516 | delete_failure_queue (); | |
6517 | error_count++; | |
6518 | } | |
6519 | /* If this compilation succeeded, don't delete those files later. */ | |
6520 | clear_failure_queue (); | |
6521 | } | |
6522 | ||
397f1574 | 6523 | /* Reset the output file name to the first input file name, for use |
6524 | with %b in LINK_SPEC on a target that prefers not to emit a.out | |
6525 | by default. */ | |
6526 | if (n_infiles > 0) | |
6527 | set_input (infiles[0].name); | |
6528 | ||
2b191381 | 6529 | if (error_count == 0) |
6530 | { | |
6531 | /* Make sure INPUT_FILE_NUMBER points to first available open | |
6532 | slot. */ | |
6533 | input_file_number = n_infiles; | |
6534 | if (lang_specific_pre_link ()) | |
6535 | error_count++; | |
6536 | } | |
f9b7c0b9 | 6537 | |
d7a9644e | 6538 | /* Run ld to link all the compiler output files. */ |
6539 | ||
6540 | if (error_count == 0) | |
6541 | { | |
6542 | int tmp = execution_count; | |
8894538a | 6543 | |
2c815aff | 6544 | /* We'll use ld if we can't find collect2. */ |
0c787992 | 6545 | if (! strcmp (linker_name_spec, "collect2")) |
6546 | { | |
c954ff02 | 6547 | char *s = find_a_file (&exec_prefixes, "collect2", X_OK, 0); |
0c787992 | 6548 | if (s == NULL) |
6549 | linker_name_spec = "ld"; | |
6550 | } | |
8894538a | 6551 | /* Rebuild the COMPILER_PATH and LIBRARY_PATH environment variables |
6552 | for collect. */ | |
397f1574 | 6553 | putenv_from_prefixes (&exec_prefixes, "COMPILER_PATH"); |
6554 | putenv_from_prefixes (&startfile_prefixes, LIBRARY_PATH_ENV); | |
8894538a | 6555 | |
d7a9644e | 6556 | value = do_spec (link_command_spec); |
6557 | if (value < 0) | |
6558 | error_count = 1; | |
6559 | linker_was_run = (tmp != execution_count); | |
6560 | } | |
6561 | ||
d7a9644e | 6562 | /* If options said don't run linker, |
6563 | complain about input files to be given to the linker. */ | |
6564 | ||
06774693 | 6565 | if (! linker_was_run && error_count == 0) |
026f2c7a | 6566 | for (i = 0; (int) i < n_infiles; i++) |
d7a9644e | 6567 | if (explicit_link_files[i]) |
0a218888 | 6568 | error ("%s: linker input file unused because linking not done", |
d7a9644e | 6569 | outfiles[i]); |
6570 | ||
6571 | /* Delete some or all of the temporary files we made. */ | |
6572 | ||
6573 | if (error_count) | |
6574 | delete_failure_queue (); | |
6575 | delete_temp_files (); | |
6576 | ||
8ace789a | 6577 | if (print_help_list) |
6578 | { | |
a4db0a1d | 6579 | printf (("\nFor bug reporting instructions, please see:\n")); |
4b5ee00b | 6580 | printf ("%s\n", bug_report_url); |
8ace789a | 6581 | } |
2c815aff | 6582 | |
155b05dc | 6583 | return (signal_count != 0 ? 2 |
6584 | : error_count > 0 ? (pass_exit_codes ? greatest_status : 1) | |
6585 | : 0); | |
d7a9644e | 6586 | } |
6587 | ||
6588 | /* Find the proper compilation spec for the file name NAME, | |
a45072dd | 6589 | whose length is LENGTH. LANGUAGE is the specified language, |
997d68fe | 6590 | or 0 if this file is to be passed to the linker. */ |
d7a9644e | 6591 | |
6592 | static struct compiler * | |
6593 | lookup_compiler (name, length, language) | |
e40d43cc | 6594 | const char *name; |
8a1f692f | 6595 | size_t length; |
e40d43cc | 6596 | const char *language; |
d7a9644e | 6597 | { |
6598 | struct compiler *cp; | |
6599 | ||
d4ea3b1f | 6600 | /* If this was specified by the user to be a linker input, indicate that. */ |
997d68fe | 6601 | if (language != 0 && language[0] == '*') |
6602 | return 0; | |
6603 | ||
6604 | /* Otherwise, look for the language, if one is spec'd. */ | |
d7a9644e | 6605 | if (language != 0) |
6606 | { | |
6607 | for (cp = compilers + n_compilers - 1; cp >= compilers; cp--) | |
997d68fe | 6608 | if (cp->suffix[0] == '@' && !strcmp (cp->suffix + 1, language)) |
6609 | return cp; | |
6610 | ||
d7a9644e | 6611 | error ("language %s not recognized", language); |
997d68fe | 6612 | return 0; |
d7a9644e | 6613 | } |
6614 | ||
6615 | /* Look for a suffix. */ | |
6616 | for (cp = compilers + n_compilers - 1; cp >= compilers; cp--) | |
6617 | { | |
a3102c3c | 6618 | if (/* The suffix `-' matches only the file name `-'. */ |
6619 | (!strcmp (cp->suffix, "-") && !strcmp (name, "-")) | |
997d68fe | 6620 | || (strlen (cp->suffix) < length |
6621 | /* See if the suffix matches the end of NAME. */ | |
997d68fe | 6622 | && !strcmp (cp->suffix, |
6623 | name + length - strlen (cp->suffix)) | |
997d68fe | 6624 | )) |
3cfec666 | 6625 | break; |
22869eeb | 6626 | } |
997d68fe | 6627 | |
22869eeb | 6628 | #if defined (OS2) ||defined (HAVE_DOS_BASED_FILE_SYSTEM) |
6629 | /* look again, but case-insensitively this time. */ | |
6630 | if (cp < compilers) | |
6631 | for (cp = compilers + n_compilers - 1; cp >= compilers; cp--) | |
6632 | { | |
6633 | if (/* The suffix `-' matches only the file name `-'. */ | |
6634 | (!strcmp (cp->suffix, "-") && !strcmp (name, "-")) | |
6635 | || (strlen (cp->suffix) < length | |
6636 | /* See if the suffix matches the end of NAME. */ | |
6637 | && ((!strcmp (cp->suffix, | |
6638 | name + length - strlen (cp->suffix)) | |
6639 | || !strpbrk (cp->suffix, "ABCDEFGHIJKLMNOPQRSTUVWXYZ")) | |
6640 | && !strcasecmp (cp->suffix, | |
6641 | name + length - strlen (cp->suffix))) | |
6642 | )) | |
6643 | break; | |
6644 | } | |
6645 | #endif | |
6646 | ||
22869eeb | 6647 | if (cp >= compilers) |
6648 | { | |
1cf79a1a | 6649 | if (cp->spec[0] != '@') |
6650 | /* A non-alias entry: return it. */ | |
6651 | return cp; | |
2c815aff | 6652 | |
1cf79a1a | 6653 | /* An alias entry maps a suffix to a language. |
6654 | Search for the language; pass 0 for NAME and LENGTH | |
6655 | to avoid infinite recursion if language not found. */ | |
d946ea19 | 6656 | return lookup_compiler (NULL, 0, cp->spec + 1); |
d7a9644e | 6657 | } |
d7a9644e | 6658 | return 0; |
6659 | } | |
6660 | \f | |
d7a9644e | 6661 | static char * |
6662 | save_string (s, len) | |
026f2c7a | 6663 | const char *s; |
6664 | int len; | |
d7a9644e | 6665 | { |
19cb6b50 | 6666 | char *result = xmalloc (len + 1); |
d7a9644e | 6667 | |
d5130039 | 6668 | memcpy (result, s, len); |
d7a9644e | 6669 | result[len] = 0; |
6670 | return result; | |
6671 | } | |
6672 | ||
833a5c07 | 6673 | void |
d7a9644e | 6674 | pfatal_with_name (name) |
e40d43cc | 6675 | const char *name; |
d7a9644e | 6676 | { |
be2828ce | 6677 | perror_with_name (name); |
6678 | delete_temp_files (); | |
6679 | exit (1); | |
d7a9644e | 6680 | } |
6681 | ||
6682 | static void | |
6683 | perror_with_name (name) | |
e40d43cc | 6684 | const char *name; |
d7a9644e | 6685 | { |
99e61852 | 6686 | error ("%s: %s", name, xstrerror (errno)); |
d7a9644e | 6687 | } |
6688 | ||
6689 | static void | |
4ee8d66a | 6690 | pfatal_pexecute (errmsg_fmt, errmsg_arg) |
e40d43cc | 6691 | const char *errmsg_fmt; |
6692 | const char *errmsg_arg; | |
d7a9644e | 6693 | { |
4ee8d66a | 6694 | if (errmsg_arg) |
6695 | { | |
be2828ce | 6696 | int save_errno = errno; |
6697 | ||
4ee8d66a | 6698 | /* Space for trailing '\0' is in %s. */ |
6699 | char *msg = xmalloc (strlen (errmsg_fmt) + strlen (errmsg_arg)); | |
6700 | sprintf (msg, errmsg_fmt, errmsg_arg); | |
6701 | errmsg_fmt = msg; | |
be2828ce | 6702 | |
6703 | errno = save_errno; | |
4ee8d66a | 6704 | } |
6705 | ||
be2828ce | 6706 | pfatal_with_name (errmsg_fmt); |
d7a9644e | 6707 | } |
6708 | ||
a876e5f8 | 6709 | /* Output an error message and exit */ |
d7a9644e | 6710 | |
6711 | void | |
6712 | fancy_abort () | |
6713 | { | |
68435912 | 6714 | fatal ("internal gcc abort"); |
d7a9644e | 6715 | } |
6716 | \f | |
d7a9644e | 6717 | /* Output an error message and exit */ |
6718 | ||
7f0b0c27 | 6719 | void |
621f6678 | 6720 | fatal VPARAMS ((const char *msgid, ...)) |
d7a9644e | 6721 | { |
0903457a | 6722 | VA_OPEN (ap, msgid); |
6723 | VA_FIXEDARG (ap, const char *, msgid); | |
d7a9644e | 6724 | |
d7a9644e | 6725 | fprintf (stderr, "%s: ", programname); |
be2828ce | 6726 | vfprintf (stderr, _(msgid), ap); |
0903457a | 6727 | VA_CLOSE (ap); |
d7a9644e | 6728 | fprintf (stderr, "\n"); |
6729 | delete_temp_files (); | |
6730 | exit (1); | |
6731 | } | |
6732 | ||
833a5c07 | 6733 | void |
621f6678 | 6734 | error VPARAMS ((const char *msgid, ...)) |
d7a9644e | 6735 | { |
0903457a | 6736 | VA_OPEN (ap, msgid); |
6737 | VA_FIXEDARG (ap, const char *, msgid); | |
d7a9644e | 6738 | |
d7a9644e | 6739 | fprintf (stderr, "%s: ", programname); |
be2828ce | 6740 | vfprintf (stderr, _(msgid), ap); |
0903457a | 6741 | VA_CLOSE (ap); |
d7a9644e | 6742 | |
6743 | fprintf (stderr, "\n"); | |
6744 | } | |
be2828ce | 6745 | |
6746 | static void | |
621f6678 | 6747 | notice VPARAMS ((const char *msgid, ...)) |
be2828ce | 6748 | { |
0903457a | 6749 | VA_OPEN (ap, msgid); |
6750 | VA_FIXEDARG (ap, const char *, msgid); | |
be2828ce | 6751 | |
6752 | vfprintf (stderr, _(msgid), ap); | |
0903457a | 6753 | VA_CLOSE (ap); |
be2828ce | 6754 | } |
d7a9644e | 6755 | \f |
6756 | static void | |
6757 | validate_all_switches () | |
6758 | { | |
6759 | struct compiler *comp; | |
19cb6b50 | 6760 | const char *p; |
6761 | char c; | |
8894538a | 6762 | struct spec_list *spec; |
d7a9644e | 6763 | |
1cf79a1a | 6764 | for (comp = compilers; comp->spec; comp++) |
d7a9644e | 6765 | { |
1cf79a1a | 6766 | p = comp->spec; |
6767 | while ((c = *p++)) | |
c2a9dd1b | 6768 | if (c == '%' && (*p == '{' || (*p == 'W' && *++p == '{'))) |
1cf79a1a | 6769 | /* We have a switch spec. */ |
6770 | validate_switches (p + 1); | |
d7a9644e | 6771 | } |
6772 | ||
d4ea3b1f | 6773 | /* Look through the linked list of specs read from the specs file. */ |
026f2c7a | 6774 | for (spec = specs; spec; spec = spec->next) |
8894538a | 6775 | { |
988c0ffe | 6776 | p = *(spec->ptr_spec); |
00e598e3 | 6777 | while ((c = *p++)) |
c2a9dd1b | 6778 | if (c == '%' && (*p == '{' || (*p == 'W' && *++p == '{'))) |
8894538a | 6779 | /* We have a switch spec. */ |
6780 | validate_switches (p + 1); | |
6781 | } | |
6782 | ||
d7a9644e | 6783 | p = link_command_spec; |
00e598e3 | 6784 | while ((c = *p++)) |
c2a9dd1b | 6785 | if (c == '%' && (*p == '{' || (*p == 'W' && *++p == '{'))) |
d7a9644e | 6786 | /* We have a switch spec. */ |
6787 | validate_switches (p + 1); | |
d7a9644e | 6788 | } |
6789 | ||
6790 | /* Look at the switch-name that comes after START | |
6791 | and mark as valid all supplied switches that match it. */ | |
6792 | ||
6793 | static void | |
6794 | validate_switches (start) | |
e40d43cc | 6795 | const char *start; |
d7a9644e | 6796 | { |
19cb6b50 | 6797 | const char *p = start; |
e40d43cc | 6798 | const char *filter; |
19cb6b50 | 6799 | int i; |
dead3293 | 6800 | int suffix; |
d7a9644e | 6801 | |
6802 | if (*p == '|') | |
6803 | ++p; | |
6804 | ||
dead3293 | 6805 | next_member: |
d7a9644e | 6806 | if (*p == '!') |
6807 | ++p; | |
6808 | ||
dead3293 | 6809 | suffix = 0; |
d7a9644e | 6810 | if (*p == '.') |
6811 | suffix = 1, ++p; | |
6812 | ||
6813 | filter = p; | |
e1478c0f | 6814 | while (*p != ':' && *p != '}' && *p != '|' && *p != '&') |
026f2c7a | 6815 | p++; |
d7a9644e | 6816 | |
6817 | if (suffix) | |
6818 | ; | |
6819 | else if (p[-1] == '*') | |
6820 | { | |
6821 | /* Mark all matching switches as valid. */ | |
d7a9644e | 6822 | for (i = 0; i < n_switches; i++) |
dead3293 | 6823 | if (!strncmp (switches[i].part1, filter, p - filter - 1)) |
be2828ce | 6824 | switches[i].validated = 1; |
d7a9644e | 6825 | } |
6826 | else | |
6827 | { | |
6828 | /* Mark an exact matching switch as valid. */ | |
6829 | for (i = 0; i < n_switches; i++) | |
6830 | { | |
6831 | if (!strncmp (switches[i].part1, filter, p - filter) | |
6832 | && switches[i].part1[p - filter] == 0) | |
be2828ce | 6833 | switches[i].validated = 1; |
d7a9644e | 6834 | } |
6835 | } | |
dead3293 | 6836 | |
e1478c0f | 6837 | if (*p++ == '|' || p[-1] == '&') |
dead3293 | 6838 | goto next_member; |
d7a9644e | 6839 | } |
9577d478 | 6840 | \f |
c954ff02 | 6841 | struct mdswitchstr |
6842 | { | |
6843 | const char *str; | |
6844 | int len; | |
6845 | }; | |
6846 | ||
6847 | static struct mdswitchstr *mdswitches; | |
6848 | static int n_mdswitches; | |
6849 | ||
3d97d965 | 6850 | /* Check whether a particular argument was used. The first time we |
ad87de1e | 6851 | canonicalize the switches to keep only the ones we care about. */ |
9577d478 | 6852 | |
6853 | static int | |
6854 | used_arg (p, len) | |
e40d43cc | 6855 | const char *p; |
9577d478 | 6856 | int len; |
6857 | { | |
d4ea3b1f | 6858 | struct mswitchstr |
6859 | { | |
e772a198 | 6860 | const char *str; |
6861 | const char *replace; | |
3d97d965 | 6862 | int len; |
6863 | int rep_len; | |
6864 | }; | |
6865 | ||
6866 | static struct mswitchstr *mswitches; | |
6867 | static int n_mswitches; | |
6868 | int i, j; | |
6869 | ||
6870 | if (!mswitches) | |
6871 | { | |
6872 | struct mswitchstr *matches; | |
e772a198 | 6873 | const char *q; |
d0fdc842 | 6874 | int cnt = 0; |
3d97d965 | 6875 | |
026f2c7a | 6876 | /* Break multilib_matches into the component strings of string |
6877 | and replacement string. */ | |
c4fa40de | 6878 | for (q = multilib_matches; *q != '\0'; q++) |
6879 | if (*q == ';') | |
3d97d965 | 6880 | cnt++; |
6881 | ||
026f2c7a | 6882 | matches = |
6883 | (struct mswitchstr *) alloca ((sizeof (struct mswitchstr)) * cnt); | |
3d97d965 | 6884 | i = 0; |
6885 | q = multilib_matches; | |
6886 | while (*q != '\0') | |
6887 | { | |
6888 | matches[i].str = q; | |
6889 | while (*q != ' ') | |
6890 | { | |
6891 | if (*q == '\0') | |
6892 | abort (); | |
6893 | q++; | |
6894 | } | |
3d97d965 | 6895 | matches[i].len = q - matches[i].str; |
9577d478 | 6896 | |
3d97d965 | 6897 | matches[i].replace = ++q; |
6898 | while (*q != ';' && *q != '\0') | |
6899 | { | |
6900 | if (*q == ' ') | |
6901 | abort (); | |
6902 | q++; | |
6903 | } | |
6904 | matches[i].rep_len = q - matches[i].replace; | |
6905 | i++; | |
401574b8 | 6906 | if (*q == ';') |
6907 | q++; | |
3d97d965 | 6908 | } |
9577d478 | 6909 | |
0a4dc6a9 | 6910 | /* Now build a list of the replacement string for switches that we care |
6911 | about. Make sure we allocate at least one entry. This prevents | |
6912 | xmalloc from calling fatal, and prevents us from re-executing this | |
6913 | block of code. */ | |
6914 | mswitches | |
c954ff02 | 6915 | = (struct mswitchstr *) |
6916 | xmalloc (sizeof (struct mswitchstr) | |
6917 | * (n_mdswitches + (n_switches ? n_switches : 1))); | |
3d97d965 | 6918 | for (i = 0; i < n_switches; i++) |
6919 | { | |
6920 | int xlen = strlen (switches[i].part1); | |
6921 | for (j = 0; j < cnt; j++) | |
e772a198 | 6922 | if (xlen == matches[j].len |
6923 | && ! strncmp (switches[i].part1, matches[j].str, xlen)) | |
3d97d965 | 6924 | { |
6925 | mswitches[n_mswitches].str = matches[j].replace; | |
6926 | mswitches[n_mswitches].len = matches[j].rep_len; | |
2c815aff | 6927 | mswitches[n_mswitches].replace = (char *) 0; |
3d97d965 | 6928 | mswitches[n_mswitches].rep_len = 0; |
6929 | n_mswitches++; | |
6930 | break; | |
6931 | } | |
6932 | } | |
c954ff02 | 6933 | |
6934 | /* Add MULTILIB_DEFAULTS switches too, as long as they were not present | |
6935 | on the command line nor any options mutually incompatible with | |
6936 | them. */ | |
6937 | for (i = 0; i < n_mdswitches; i++) | |
6938 | { | |
6939 | const char *r; | |
6940 | ||
6941 | for (q = multilib_options; *q != '\0'; q++) | |
6942 | { | |
6943 | while (*q == ' ') | |
6944 | q++; | |
6945 | ||
6946 | r = q; | |
6947 | while (strncmp (q, mdswitches[i].str, mdswitches[i].len) != 0 | |
6948 | || strchr (" /", q[mdswitches[i].len]) == NULL) | |
6949 | { | |
6950 | while (*q != ' ' && *q != '/' && *q != '\0') | |
6951 | q++; | |
6952 | if (*q != '/') | |
6953 | break; | |
6954 | q++; | |
6955 | } | |
6956 | ||
6957 | if (*q != ' ' && *q != '\0') | |
6958 | { | |
6959 | while (*r != ' ' && *r != '\0') | |
6960 | { | |
6961 | q = r; | |
6962 | while (*q != ' ' && *q != '/' && *q != '\0') | |
6963 | q++; | |
6964 | ||
6965 | if (used_arg (r, q - r)) | |
6966 | break; | |
6967 | ||
6968 | if (*q != '/') | |
6969 | { | |
6970 | mswitches[n_mswitches].str = mdswitches[i].str; | |
6971 | mswitches[n_mswitches].len = mdswitches[i].len; | |
6972 | mswitches[n_mswitches].replace = (char *) 0; | |
6973 | mswitches[n_mswitches].rep_len = 0; | |
6974 | n_mswitches++; | |
6975 | break; | |
6976 | } | |
6977 | ||
6978 | r = q + 1; | |
6979 | } | |
6980 | break; | |
6981 | } | |
6982 | } | |
6983 | } | |
3d97d965 | 6984 | } |
48583106 | 6985 | |
3d97d965 | 6986 | for (i = 0; i < n_mswitches; i++) |
6987 | if (len == mswitches[i].len && ! strncmp (p, mswitches[i].str, len)) | |
6988 | return 1; | |
48583106 | 6989 | |
3d97d965 | 6990 | return 0; |
6991 | } | |
48583106 | 6992 | |
6993 | static int | |
6994 | default_arg (p, len) | |
e40d43cc | 6995 | const char *p; |
48583106 | 6996 | int len; |
6997 | { | |
c954ff02 | 6998 | int i; |
618c6dbb | 6999 | |
c954ff02 | 7000 | for (i = 0; i < n_mdswitches; i++) |
7001 | if (len == mdswitches[i].len && ! strncmp (p, mdswitches[i].str, len)) | |
7002 | return 1; | |
48583106 | 7003 | |
7004 | return 0; | |
7005 | } | |
7006 | ||
54518c3b | 7007 | /* Work out the subdirectory to use based on the options. The format of |
7008 | multilib_select is a list of elements. Each element is a subdirectory | |
7009 | name followed by a list of options followed by a semicolon. The format | |
7010 | of multilib_exclusions is the same, but without the preceding | |
7011 | directory. First gcc will check the exclusions, if none of the options | |
7012 | beginning with an exclamation point are present, and all of the other | |
7013 | options are present, then we will ignore this completely. Passing | |
7014 | that, gcc will consider each multilib_select in turn using the same | |
7015 | rules for matching the options. If a match is found, that subdirectory | |
7016 | will be used. */ | |
9577d478 | 7017 | |
7018 | static void | |
7019 | set_multilib_dir () | |
7020 | { | |
e772a198 | 7021 | const char *p; |
d4ea3b1f | 7022 | unsigned int this_path_len; |
e772a198 | 7023 | const char *this_path, *this_arg; |
c954ff02 | 7024 | const char *start, *end; |
48583106 | 7025 | int not_arg; |
c954ff02 | 7026 | int ok, ndfltok, first; |
7027 | ||
7028 | n_mdswitches = 0; | |
7029 | start = multilib_defaults; | |
7030 | while (*start == ' ' || *start == '\t') | |
7031 | start++; | |
7032 | while (*start != '\0') | |
7033 | { | |
7034 | n_mdswitches++; | |
7035 | while (*start != ' ' && *start != '\t' && *start != '\0') | |
7036 | start++; | |
7037 | while (*start == ' ' || *start == '\t') | |
7038 | start++; | |
7039 | } | |
7040 | ||
7041 | if (n_mdswitches) | |
7042 | { | |
7043 | int i = 0; | |
7044 | ||
7045 | mdswitches | |
7046 | = (struct mdswitchstr *) xmalloc (sizeof (struct mdswitchstr) | |
7047 | * n_mdswitches); | |
7048 | for (start = multilib_defaults; *start != '\0'; start = end + 1) | |
7049 | { | |
7050 | while (*start == ' ' || *start == '\t') | |
7051 | start++; | |
7052 | ||
7053 | if (*start == '\0') | |
7054 | break; | |
7055 | ||
7056 | for (end = start + 1; | |
7057 | *end != ' ' && *end != '\t' && *end != '\0'; end++) | |
7058 | ; | |
7059 | ||
7060 | obstack_grow (&multilib_obstack, start, end - start); | |
7061 | obstack_1grow (&multilib_obstack, 0); | |
7062 | mdswitches[i].str = obstack_finish (&multilib_obstack); | |
7063 | mdswitches[i++].len = end - start; | |
7064 | ||
7065 | if (*end == '\0') | |
7066 | break; | |
7067 | } | |
7068 | } | |
9577d478 | 7069 | |
54518c3b | 7070 | p = multilib_exclusions; |
7071 | while (*p != '\0') | |
7072 | { | |
7073 | /* Ignore newlines. */ | |
7074 | if (*p == '\n') | |
026f2c7a | 7075 | { |
7076 | ++p; | |
7077 | continue; | |
7078 | } | |
54518c3b | 7079 | |
7080 | /* Check the arguments. */ | |
7081 | ok = 1; | |
7082 | while (*p != ';') | |
026f2c7a | 7083 | { |
7084 | if (*p == '\0') | |
7085 | abort (); | |
7086 | ||
7087 | if (! ok) | |
7088 | { | |
7089 | ++p; | |
7090 | continue; | |
7091 | } | |
7092 | ||
7093 | this_arg = p; | |
7094 | while (*p != ' ' && *p != ';') | |
7095 | { | |
7096 | if (*p == '\0') | |
7097 | abort (); | |
7098 | ++p; | |
7099 | } | |
7100 | ||
7101 | if (*this_arg != '!') | |
7102 | not_arg = 0; | |
7103 | else | |
7104 | { | |
7105 | not_arg = 1; | |
7106 | ++this_arg; | |
7107 | } | |
2c815aff | 7108 | |
54518c3b | 7109 | ok = used_arg (this_arg, p - this_arg); |
7110 | if (not_arg) | |
7111 | ok = ! ok; | |
7112 | ||
026f2c7a | 7113 | if (*p == ' ') |
7114 | ++p; | |
7115 | } | |
54518c3b | 7116 | |
7117 | if (ok) | |
d4ea3b1f | 7118 | return; |
54518c3b | 7119 | |
7120 | ++p; | |
7121 | } | |
7122 | ||
c954ff02 | 7123 | first = 1; |
54518c3b | 7124 | p = multilib_select; |
9577d478 | 7125 | while (*p != '\0') |
7126 | { | |
7127 | /* Ignore newlines. */ | |
7128 | if (*p == '\n') | |
7129 | { | |
7130 | ++p; | |
7131 | continue; | |
7132 | } | |
7133 | ||
7134 | /* Get the initial path. */ | |
7135 | this_path = p; | |
7136 | while (*p != ' ') | |
7137 | { | |
7138 | if (*p == '\0') | |
7139 | abort (); | |
7140 | ++p; | |
7141 | } | |
7142 | this_path_len = p - this_path; | |
7143 | ||
7144 | /* Check the arguments. */ | |
48583106 | 7145 | ok = 1; |
c954ff02 | 7146 | ndfltok = 1; |
9577d478 | 7147 | ++p; |
7148 | while (*p != ';') | |
7149 | { | |
7150 | if (*p == '\0') | |
7151 | abort (); | |
7152 | ||
48583106 | 7153 | if (! ok) |
9577d478 | 7154 | { |
7155 | ++p; | |
7156 | continue; | |
7157 | } | |
7158 | ||
7159 | this_arg = p; | |
7160 | while (*p != ' ' && *p != ';') | |
7161 | { | |
7162 | if (*p == '\0') | |
7163 | abort (); | |
7164 | ++p; | |
7165 | } | |
7166 | ||
48583106 | 7167 | if (*this_arg != '!') |
7168 | not_arg = 0; | |
9577d478 | 7169 | else |
48583106 | 7170 | { |
7171 | not_arg = 1; | |
7172 | ++this_arg; | |
7173 | } | |
7174 | ||
7175 | /* If this is a default argument, we can just ignore it. | |
7176 | This is true even if this_arg begins with '!'. Beginning | |
7177 | with '!' does not mean that this argument is necessarily | |
7178 | inappropriate for this library: it merely means that | |
7179 | there is a more specific library which uses this | |
7180 | argument. If this argument is a default, we need not | |
7181 | consider that more specific library. */ | |
c954ff02 | 7182 | ok = used_arg (this_arg, p - this_arg); |
7183 | if (not_arg) | |
7184 | ok = ! ok; | |
7185 | ||
7186 | if (! ok) | |
7187 | ndfltok = 0; | |
7188 | ||
7189 | if (default_arg (this_arg, p - this_arg)) | |
7190 | ok = 1; | |
9577d478 | 7191 | |
7192 | if (*p == ' ') | |
7193 | ++p; | |
7194 | } | |
7195 | ||
c954ff02 | 7196 | if (ok && first) |
9577d478 | 7197 | { |
7198 | if (this_path_len != 1 | |
7199 | || this_path[0] != '.') | |
7200 | { | |
026f2c7a | 7201 | char *new_multilib_dir = xmalloc (this_path_len + 1); |
c954ff02 | 7202 | char *q; |
7203 | ||
e40d43cc | 7204 | strncpy (new_multilib_dir, this_path, this_path_len); |
7205 | new_multilib_dir[this_path_len] = '\0'; | |
c954ff02 | 7206 | q = strchr (new_multilib_dir, ':'); |
7207 | if (q != NULL) | |
7208 | *q = '\0'; | |
e40d43cc | 7209 | multilib_dir = new_multilib_dir; |
9577d478 | 7210 | } |
c954ff02 | 7211 | first = 0; |
7212 | } | |
7213 | ||
7214 | if (ndfltok) | |
7215 | { | |
7216 | const char *q = this_path, *end = this_path + this_path_len; | |
7217 | ||
7218 | while (q < end && *q != ':') | |
7219 | q++; | |
a2770a85 | 7220 | if (q < end) |
c954ff02 | 7221 | { |
7222 | char *new_multilib_os_dir = xmalloc (end - q); | |
a2770a85 | 7223 | memcpy (new_multilib_os_dir, q + 1, end - q - 1); |
7224 | new_multilib_os_dir[end - q - 1] = '\0'; | |
c954ff02 | 7225 | multilib_os_dir = new_multilib_os_dir; |
7226 | break; | |
7227 | } | |
9577d478 | 7228 | } |
7229 | ||
7230 | ++p; | |
2c815aff | 7231 | } |
c954ff02 | 7232 | |
7233 | if (multilib_dir == NULL && multilib_os_dir != NULL | |
7234 | && strcmp (multilib_os_dir, ".") == 0) | |
7235 | { | |
7236 | free ((char *) multilib_os_dir); | |
7237 | multilib_os_dir = NULL; | |
7238 | } | |
7239 | else if (multilib_dir != NULL && multilib_os_dir == NULL) | |
7240 | multilib_os_dir = multilib_dir; | |
9577d478 | 7241 | } |
7242 | ||
7243 | /* Print out the multiple library subdirectory selection | |
7244 | information. This prints out a series of lines. Each line looks | |
7245 | like SUBDIRECTORY;@OPTION@OPTION, with as many options as is | |
7246 | required. Only the desired options are printed out, the negative | |
7247 | matches. The options are print without a leading dash. There are | |
7248 | no spaces to make it easy to use the information in the shell. | |
7249 | Each subdirectory is printed only once. This assumes the ordering | |
54518c3b | 7250 | generated by the genmultilib script. Also, we leave out ones that match |
7251 | the exclusions. */ | |
9577d478 | 7252 | |
7253 | static void | |
7254 | print_multilib_info () | |
7255 | { | |
e772a198 | 7256 | const char *p = multilib_select; |
7257 | const char *last_path = 0, *this_path; | |
48583106 | 7258 | int skip; |
d4ea3b1f | 7259 | unsigned int last_path_len = 0; |
9577d478 | 7260 | |
7261 | while (*p != '\0') | |
7262 | { | |
54518c3b | 7263 | skip = 0; |
9577d478 | 7264 | /* Ignore newlines. */ |
7265 | if (*p == '\n') | |
7266 | { | |
7267 | ++p; | |
7268 | continue; | |
7269 | } | |
7270 | ||
7271 | /* Get the initial path. */ | |
7272 | this_path = p; | |
7273 | while (*p != ' ') | |
7274 | { | |
7275 | if (*p == '\0') | |
7276 | abort (); | |
7277 | ++p; | |
7278 | } | |
7279 | ||
a2770a85 | 7280 | /* When --disable-multilib was used but target defines |
7281 | MULTILIB_OSDIRNAMES, entries starting with .: are there just | |
7282 | to find multilib_os_dir, so skip them from output. */ | |
7283 | if (this_path[0] == '.' && this_path[1] == ':') | |
7284 | skip = 1; | |
7285 | ||
54518c3b | 7286 | /* Check for matches with the multilib_exclusions. We don't bother |
7287 | with the '!' in either list. If any of the exclusion rules match | |
7288 | all of its options with the select rule, we skip it. */ | |
026f2c7a | 7289 | { |
7290 | const char *e = multilib_exclusions; | |
7291 | const char *this_arg; | |
54518c3b | 7292 | |
026f2c7a | 7293 | while (*e != '\0') |
7294 | { | |
7295 | int m = 1; | |
7296 | /* Ignore newlines. */ | |
7297 | if (*e == '\n') | |
7298 | { | |
7299 | ++e; | |
7300 | continue; | |
7301 | } | |
54518c3b | 7302 | |
026f2c7a | 7303 | /* Check the arguments. */ |
7304 | while (*e != ';') | |
7305 | { | |
7306 | const char *q; | |
7307 | int mp = 0; | |
54518c3b | 7308 | |
026f2c7a | 7309 | if (*e == '\0') |
7310 | abort (); | |
2c815aff | 7311 | |
026f2c7a | 7312 | if (! m) |
7313 | { | |
7314 | ++e; | |
7315 | continue; | |
7316 | } | |
54518c3b | 7317 | |
026f2c7a | 7318 | this_arg = e; |
2c815aff | 7319 | |
026f2c7a | 7320 | while (*e != ' ' && *e != ';') |
7321 | { | |
7322 | if (*e == '\0') | |
7323 | abort (); | |
7324 | ++e; | |
7325 | } | |
54518c3b | 7326 | |
026f2c7a | 7327 | q = p + 1; |
7328 | while (*q != ';') | |
7329 | { | |
7330 | const char *arg; | |
7331 | int len = e - this_arg; | |
54518c3b | 7332 | |
026f2c7a | 7333 | if (*q == '\0') |
7334 | abort (); | |
54518c3b | 7335 | |
026f2c7a | 7336 | arg = q; |
7337 | ||
7338 | while (*q != ' ' && *q != ';') | |
7339 | { | |
7340 | if (*q == '\0') | |
7341 | abort (); | |
54518c3b | 7342 | ++q; |
026f2c7a | 7343 | } |
54518c3b | 7344 | |
026f2c7a | 7345 | if (! strncmp (arg, this_arg, (len < q - arg) ? q - arg : len) || |
7346 | default_arg (this_arg, e - this_arg)) | |
7347 | { | |
7348 | mp = 1; | |
7349 | break; | |
7350 | } | |
54518c3b | 7351 | |
026f2c7a | 7352 | if (*q == ' ') |
7353 | ++q; | |
7354 | } | |
2c815aff | 7355 | |
026f2c7a | 7356 | if (! mp) |
7357 | m = 0; | |
54518c3b | 7358 | |
026f2c7a | 7359 | if (*e == ' ') |
7360 | ++e; | |
7361 | } | |
7362 | ||
7363 | if (m) | |
7364 | { | |
7365 | skip = 1; | |
7366 | break; | |
7367 | } | |
7368 | ||
7369 | if (*e != '\0') | |
7370 | ++e; | |
7371 | } | |
7372 | } | |
54518c3b | 7373 | |
7374 | if (! skip) | |
026f2c7a | 7375 | { |
7376 | /* If this is a duplicate, skip it. */ | |
7377 | skip = (last_path != 0 && (unsigned int) (p - this_path) == last_path_len | |
7378 | && ! strncmp (last_path, this_path, last_path_len)); | |
9577d478 | 7379 | |
026f2c7a | 7380 | last_path = this_path; |
7381 | last_path_len = p - this_path; | |
54518c3b | 7382 | } |
9577d478 | 7383 | |
48583106 | 7384 | /* If this directory requires any default arguments, we can skip |
7385 | it. We will already have printed a directory identical to | |
7386 | this one which does not require that default argument. */ | |
7387 | if (! skip) | |
7388 | { | |
e772a198 | 7389 | const char *q; |
48583106 | 7390 | |
7391 | q = p + 1; | |
7392 | while (*q != ';') | |
7393 | { | |
e772a198 | 7394 | const char *arg; |
48583106 | 7395 | |
7396 | if (*q == '\0') | |
7397 | abort (); | |
7398 | ||
7399 | if (*q == '!') | |
7400 | arg = NULL; | |
7401 | else | |
7402 | arg = q; | |
7403 | ||
7404 | while (*q != ' ' && *q != ';') | |
7405 | { | |
7406 | if (*q == '\0') | |
7407 | abort (); | |
7408 | ++q; | |
7409 | } | |
7410 | ||
7411 | if (arg != NULL | |
7412 | && default_arg (arg, q - arg)) | |
7413 | { | |
7414 | skip = 1; | |
7415 | break; | |
7416 | } | |
7417 | ||
7418 | if (*q == ' ') | |
7419 | ++q; | |
7420 | } | |
7421 | } | |
7422 | ||
9577d478 | 7423 | if (! skip) |
7424 | { | |
e772a198 | 7425 | const char *p1; |
9577d478 | 7426 | |
c954ff02 | 7427 | for (p1 = last_path; p1 < p && *p1 != ':'; p1++) |
9577d478 | 7428 | putchar (*p1); |
7429 | putchar (';'); | |
7430 | } | |
7431 | ||
7432 | ++p; | |
7433 | while (*p != ';') | |
7434 | { | |
7435 | int use_arg; | |
7436 | ||
7437 | if (*p == '\0') | |
7438 | abort (); | |
7439 | ||
7440 | if (skip) | |
7441 | { | |
7442 | ++p; | |
7443 | continue; | |
7444 | } | |
7445 | ||
7446 | use_arg = *p != '!'; | |
7447 | ||
7448 | if (use_arg) | |
7449 | putchar ('@'); | |
7450 | ||
7451 | while (*p != ' ' && *p != ';') | |
7452 | { | |
7453 | if (*p == '\0') | |
7454 | abort (); | |
7455 | if (use_arg) | |
7456 | putchar (*p); | |
7457 | ++p; | |
7458 | } | |
7459 | ||
7460 | if (*p == ' ') | |
7461 | ++p; | |
7462 | } | |
7463 | ||
7464 | if (! skip) | |
3d97d965 | 7465 | { |
d4ea3b1f | 7466 | /* If there are extra options, print them now. */ |
3d97d965 | 7467 | if (multilib_extra && *multilib_extra) |
7468 | { | |
7469 | int print_at = TRUE; | |
e772a198 | 7470 | const char *q; |
3d97d965 | 7471 | |
7472 | for (q = multilib_extra; *q != '\0'; q++) | |
7473 | { | |
7474 | if (*q == ' ') | |
7475 | print_at = TRUE; | |
7476 | else | |
7477 | { | |
7478 | if (print_at) | |
7479 | putchar ('@'); | |
7480 | putchar (*q); | |
7481 | print_at = FALSE; | |
7482 | } | |
7483 | } | |
7484 | } | |
2c815aff | 7485 | |
3d97d965 | 7486 | putchar ('\n'); |
7487 | } | |
9577d478 | 7488 | |
7489 | ++p; | |
7490 | } | |
7491 | } | |
c21b3276 | 7492 | \f |
7493 | /* if-exists built-in spec function. | |
7494 | ||
7495 | Checks to see if the file specified by the absolute pathname in | |
7496 | ARGS exists. Returns that pathname if found. | |
7497 | ||
7498 | The usual use for this function is to check for a library file | |
7499 | (whose name has been expanded with %s). */ | |
7500 | ||
7501 | static const char * | |
7502 | if_exists_spec_function (argc, argv) | |
7503 | int argc; | |
7504 | const char **argv; | |
7505 | { | |
7506 | /* Must have only one argument. */ | |
7507 | if (argc == 1 && IS_ABSOLUTE_PATHNAME (argv[0]) && ! access (argv[0], R_OK)) | |
7508 | return argv[0]; | |
7509 | ||
7510 | return NULL; | |
7511 | } |