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ed1f651b | 1 | /* Compiler driver program that can handle many languages. |
5fc08cad | 2 | Copyright (C) 1987, 89, 92, 93, 94, 95, 1996 Free Software Foundation, Inc. |
ed1f651b RS |
3 | |
4 | This file is part of GNU CC. | |
5 | ||
6 | GNU CC is free software; you can redistribute it and/or modify | |
7 | it under the terms of the GNU General Public License as published by | |
8 | the Free Software Foundation; either version 2, or (at your option) | |
9 | any later version. | |
10 | ||
11 | GNU CC is distributed in the hope that it will be useful, | |
12 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
13 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
14 | GNU General Public License for more details. | |
15 | ||
16 | You should have received a copy of the GNU General Public License | |
17 | along with GNU CC; see the file COPYING. If not, write to | |
a35311b0 RK |
18 | the Free Software Foundation, 59 Temple Place - Suite 330, |
19 | Boston, MA 02111-1307, USA. | |
ed1f651b RS |
20 | |
21 | This paragraph is here to try to keep Sun CC from dying. | |
22 | The number of chars here seems crucial!!!! */ | |
23 | ||
24 | /* This program is the user interface to the C compiler and possibly to | |
25 | other compilers. It is used because compilation is a complicated procedure | |
26 | which involves running several programs and passing temporary files between | |
27 | them, forwarding the users switches to those programs selectively, | |
28 | and deleting the temporary files at the end. | |
29 | ||
30 | CC recognizes how to compile each input file by suffixes in the file names. | |
31 | Once it knows which kind of compilation to perform, the procedure for | |
32 | compilation is specified by a string called a "spec". */ | |
33 | \f | |
ed1f651b RS |
34 | #include <sys/types.h> |
35 | #include <ctype.h> | |
36 | #include <signal.h> | |
ed1f651b | 37 | #include <sys/stat.h> |
2c793b32 | 38 | #include <errno.h> |
ed1f651b | 39 | |
e9990579 | 40 | #ifndef _WIN32 |
48ff801b RK |
41 | #include <sys/file.h> /* May get R_OK, etc. on some systems. */ |
42 | #else | |
43 | #include <process.h> | |
aa76a77e RK |
44 | int __spawnv (); |
45 | int __spawnvp (); | |
48ff801b RK |
46 | #endif |
47 | ||
ed1f651b RS |
48 | #include "config.h" |
49 | #include "obstack.h" | |
4f90e4a0 | 50 | #ifdef __STDC__ |
f62a12d0 | 51 | #include <stdarg.h> |
4f90e4a0 | 52 | #else |
f62a12d0 | 53 | #include <varargs.h> |
4f90e4a0 | 54 | #endif |
f8d97cf4 | 55 | #include <stdio.h> |
ed1f651b | 56 | |
60103a34 DE |
57 | /* Include multi-lib information. */ |
58 | #include "multilib.h" | |
59 | ||
ed1f651b RS |
60 | #ifndef R_OK |
61 | #define R_OK 4 | |
62 | #define W_OK 2 | |
63 | #define X_OK 1 | |
64 | #endif | |
65 | ||
0b90f9c2 ILT |
66 | #ifndef WIFSIGNALED |
67 | #define WIFSIGNALED(S) (((S) & 0xff) != 0 && ((S) & 0xff) != 0x7f) | |
68 | #endif | |
69 | #ifndef WTERMSIG | |
70 | #define WTERMSIG(S) ((S) & 0x7f) | |
71 | #endif | |
72 | #ifndef WIFEXITED | |
73 | #define WIFEXITED(S) (((S) & 0xff) == 0) | |
74 | #endif | |
75 | #ifndef WEXITSTATUS | |
76 | #define WEXITSTATUS(S) (((S) & 0xff00) >> 8) | |
77 | #endif | |
78 | ||
99360286 DE |
79 | /* Add prototype support. */ |
80 | #ifndef PROTO | |
81 | #if defined (USE_PROTOTYPES) ? USE_PROTOTYPES : defined (__STDC__) | |
82 | #define PROTO(ARGS) ARGS | |
83 | #else | |
84 | #define PROTO(ARGS) () | |
85 | #endif | |
86 | #endif | |
87 | ||
b67b29cd DE |
88 | #ifndef VPROTO |
89 | #ifdef __STDC__ | |
d18225c4 | 90 | #define PVPROTO(ARGS) ARGS |
b67b29cd DE |
91 | #define VPROTO(ARGS) ARGS |
92 | #define VA_START(va_list,var) va_start(va_list,var) | |
93 | #else | |
d18225c4 | 94 | #define PVPROTO(ARGS) () |
b67b29cd DE |
95 | #define VPROTO(ARGS) (va_alist) va_dcl |
96 | #define VA_START(va_list,var) va_start(va_list) | |
97 | #endif | |
98 | #endif | |
99 | ||
26ba9d26 TW |
100 | /* Define a generic NULL if one hasn't already been defined. */ |
101 | ||
906c4e36 RK |
102 | #ifndef NULL |
103 | #define NULL 0 | |
104 | #endif | |
105 | ||
f4d21c5c MB |
106 | /* Define O_RDONLY if the system hasn't defined it for us. */ |
107 | #ifndef O_RDONLY | |
108 | #define O_RDONLY 0 | |
109 | #endif | |
110 | ||
26ba9d26 TW |
111 | #ifndef GENERIC_PTR |
112 | #if defined (USE_PROTOTYPES) ? USE_PROTOTYPES : defined (__STDC__) | |
113 | #define GENERIC_PTR void * | |
114 | #else | |
115 | #define GENERIC_PTR char * | |
116 | #endif | |
117 | #endif | |
118 | ||
906c4e36 | 119 | #ifndef NULL_PTR |
26ba9d26 | 120 | #define NULL_PTR ((GENERIC_PTR)0) |
906c4e36 RK |
121 | #endif |
122 | ||
2378088a | 123 | #ifdef USG |
ed1f651b RS |
124 | #define vfork fork |
125 | #endif /* USG */ | |
126 | ||
127 | /* On MSDOS, write temp files in current dir | |
128 | because there's no place else we can expect to use. */ | |
4b19dee8 | 129 | #ifdef __MSDOS__ |
ed1f651b | 130 | #ifndef P_tmpdir |
1e72f68f | 131 | #define P_tmpdir "." |
ed1f651b RS |
132 | #endif |
133 | #endif | |
134 | ||
135 | /* Test if something is a normal file. */ | |
136 | #ifndef S_ISREG | |
137 | #define S_ISREG(m) (((m) & S_IFMT) == S_IFREG) | |
138 | #endif | |
139 | ||
140 | /* Test if something is a directory. */ | |
141 | #ifndef S_ISDIR | |
142 | #define S_ISDIR(m) (((m) & S_IFMT) == S_IFDIR) | |
143 | #endif | |
144 | ||
145 | /* By default there is no special suffix for executables. */ | |
146 | #ifndef EXECUTABLE_SUFFIX | |
ed1f651b RS |
147 | #define EXECUTABLE_SUFFIX "" |
148 | #endif | |
f6ec7e54 | 149 | |
adcb8d7d | 150 | /* By default, the suffix for object files is ".o". */ |
f70165f6 RK |
151 | #ifdef OBJECT_SUFFIX |
152 | #define HAVE_OBJECT_SUFFIX | |
153 | #else | |
adcb8d7d | 154 | #define OBJECT_SUFFIX ".o" |
ed7dae04 RK |
155 | #endif |
156 | ||
f6ec7e54 RS |
157 | /* By default, colon separates directories in a path. */ |
158 | #ifndef PATH_SEPARATOR | |
159 | #define PATH_SEPARATOR ':' | |
ed1f651b RS |
160 | #endif |
161 | ||
48ff801b RK |
162 | #ifndef DIR_SEPARATOR |
163 | #define DIR_SEPARATOR '/' | |
164 | #endif | |
165 | ||
166 | static char dir_separator_str[] = {DIR_SEPARATOR, 0}; | |
167 | ||
ed1f651b RS |
168 | #define obstack_chunk_alloc xmalloc |
169 | #define obstack_chunk_free free | |
170 | ||
171 | extern void free (); | |
172 | extern char *getenv (); | |
173 | ||
2c793b32 RK |
174 | #ifndef errno |
175 | extern int errno; | |
176 | #endif | |
177 | ||
b6da8566 | 178 | #ifndef HAVE_STRERROR |
c6b51be9 | 179 | extern int sys_nerr; |
b6da8566 | 180 | #if defined(bsd4_4) |
5d672cd7 JW |
181 | extern const char *const sys_errlist[]; |
182 | #else | |
ed1f651b | 183 | extern char *sys_errlist[]; |
5d672cd7 | 184 | #endif |
b6da8566 RK |
185 | #else |
186 | extern char *strerror(); | |
187 | #endif | |
ed1f651b RS |
188 | |
189 | extern int execv (), execvp (); | |
190 | ||
191 | /* If a stage of compilation returns an exit status >= 1, | |
192 | compilation of that file ceases. */ | |
193 | ||
194 | #define MIN_FATAL_STATUS 1 | |
195 | ||
2628b9d3 DE |
196 | /* Flag saying to print the directories gcc will search through looking for |
197 | programs, libraries, etc. */ | |
198 | ||
199 | static int print_search_dirs; | |
200 | ||
6a9e290e | 201 | /* Flag saying to print the full filename of this file |
2dcb563f RS |
202 | as found through our usual search mechanism. */ |
203 | ||
6a9e290e RK |
204 | static char *print_file_name = NULL; |
205 | ||
206 | /* As print_file_name, but search for executable file. */ | |
207 | ||
208 | static char *print_prog_name = NULL; | |
2dcb563f | 209 | |
60103a34 DE |
210 | /* Flag saying to print the relative path we'd use to |
211 | find libgcc.a given the current compiler flags. */ | |
212 | ||
213 | static int print_multi_directory; | |
214 | ||
215 | /* Flag saying to print the list of subdirectories and | |
216 | compiler flags used to select them in a standard form. */ | |
217 | ||
218 | static int print_multi_lib; | |
219 | ||
ed1f651b RS |
220 | /* Flag indicating whether we should print the command and arguments */ |
221 | ||
222 | static int verbose_flag; | |
223 | ||
224 | /* Nonzero means write "temp" files in source directory | |
225 | and use the source file's name in them, and don't delete them. */ | |
226 | ||
227 | static int save_temps_flag; | |
228 | ||
53117a2f | 229 | /* The compiler version. */ |
ed1f651b | 230 | |
53117a2f RK |
231 | static char *compiler_version; |
232 | ||
233 | /* The target version specified with -V */ | |
234 | ||
235 | static char *spec_version = DEFAULT_TARGET_VERSION; | |
ed1f651b RS |
236 | |
237 | /* The target machine specified with -b. */ | |
238 | ||
239 | static char *spec_machine = DEFAULT_TARGET_MACHINE; | |
240 | ||
004fd4d5 RS |
241 | /* Nonzero if cross-compiling. |
242 | When -b is used, the value comes from the `specs' file. */ | |
243 | ||
244 | #ifdef CROSS_COMPILE | |
245 | static int cross_compile = 1; | |
246 | #else | |
247 | static int cross_compile = 0; | |
248 | #endif | |
249 | ||
48fb792a BK |
250 | /* The number of errors that have occurred; the link phase will not be |
251 | run if this is non-zero. */ | |
252 | static int error_count = 0; | |
253 | ||
ed1f651b RS |
254 | /* This is the obstack which we use to allocate many strings. */ |
255 | ||
256 | static struct obstack obstack; | |
257 | ||
b3865ca9 | 258 | /* This is the obstack to build an environment variable to pass to |
6dc42e49 | 259 | collect2 that describes all of the relevant switches of what to |
b3865ca9 RS |
260 | pass the compiler in building the list of pointers to constructors |
261 | and destructors. */ | |
262 | ||
263 | static struct obstack collect_obstack; | |
264 | ||
ed1f651b RS |
265 | extern char *version_string; |
266 | ||
99360286 DE |
267 | /* Forward declaration for prototypes. */ |
268 | struct path_prefix; | |
269 | ||
270 | static void set_spec PROTO((char *, char *)); | |
271 | static struct compiler *lookup_compiler PROTO((char *, int, char *)); | |
2628b9d3 DE |
272 | static char *build_search_list PROTO((struct path_prefix *, char *, int)); |
273 | static void putenv_from_prefixes PROTO((struct path_prefix *, char *)); | |
99360286 DE |
274 | static char *find_a_file PROTO((struct path_prefix *, char *, int)); |
275 | static void add_prefix PROTO((struct path_prefix *, char *, int, int, int *)); | |
276 | static char *skip_whitespace PROTO((char *)); | |
277 | static void record_temp_file PROTO((char *, int, int)); | |
d5ea2ac4 RK |
278 | static void delete_if_ordinary PROTO((char *)); |
279 | static void delete_temp_files PROTO((void)); | |
280 | static void delete_failure_queue PROTO((void)); | |
281 | static void clear_failure_queue PROTO((void)); | |
282 | static char *choose_temp_base_try PROTO((char *, char *)); | |
283 | static void choose_temp_base PROTO((void)); | |
f5b0eb4e | 284 | static int check_live_switch PROTO((int, int)); |
99360286 DE |
285 | static char *handle_braces PROTO((char *)); |
286 | static char *save_string PROTO((char *, int)); | |
48ff801b RK |
287 | static char *concat PROTO((char *, char *)); |
288 | static char *concat3 PROTO((char *, char *, char *)); | |
289 | static char *concat4 PROTO((char *, char *, char *, char *)); | |
290 | static char *concat6 PROTO((char *, char *, char *, char *, char *, \ | |
291 | char *)); | |
99360286 DE |
292 | static int do_spec PROTO((char *)); |
293 | static int do_spec_1 PROTO((char *, int, char *)); | |
294 | static char *find_file PROTO((char *)); | |
295 | static int is_directory PROTO((char *, char *, int)); | |
296 | static void validate_switches PROTO((char *)); | |
297 | static void validate_all_switches PROTO((void)); | |
298 | static void give_switch PROTO((int, int)); | |
60103a34 | 299 | static int used_arg PROTO((char *, int)); |
03c42484 | 300 | static int default_arg PROTO((char *, int)); |
60103a34 DE |
301 | static void set_multilib_dir PROTO((void)); |
302 | static void print_multilib_info PROTO((void)); | |
99360286 DE |
303 | static void pfatal_with_name PROTO((char *)); |
304 | static void perror_with_name PROTO((char *)); | |
305 | static void perror_exec PROTO((char *)); | |
fd2c2b2b | 306 | #ifdef HAVE_VPRINTF |
d18225c4 RK |
307 | static void fatal PVPROTO((char *, ...)); |
308 | static void error PVPROTO((char *, ...)); | |
fd2c2b2b DE |
309 | #else |
310 | /* We must not provide any prototype here, even if ANSI C. */ | |
311 | static void fatal PROTO(()); | |
312 | static void error PROTO(()); | |
313 | #endif | |
99360286 | 314 | |
ed1f651b RS |
315 | void fancy_abort (); |
316 | char *xmalloc (); | |
317 | char *xrealloc (); | |
318 | \f | |
319 | /* Specs are strings containing lines, each of which (if not blank) | |
320 | is made up of a program name, and arguments separated by spaces. | |
321 | The program name must be exact and start from root, since no path | |
322 | is searched and it is unreliable to depend on the current working directory. | |
323 | Redirection of input or output is not supported; the subprograms must | |
324 | accept filenames saying what files to read and write. | |
325 | ||
326 | In addition, the specs can contain %-sequences to substitute variable text | |
327 | or for conditional text. Here is a table of all defined %-sequences. | |
328 | Note that spaces are not generated automatically around the results of | |
329 | expanding these sequences; therefore, you can concatenate them together | |
330 | or with constant text in a single argument. | |
331 | ||
332 | %% substitute one % into the program name or argument. | |
333 | %i substitute the name of the input file being processed. | |
334 | %b substitute the basename of the input file being processed. | |
335 | This is the substring up to (and not including) the last period | |
336 | and not including the directory. | |
337 | %g substitute the temporary-file-name-base. This is a string chosen | |
338 | once per compilation. Different temporary file names are made by | |
339 | concatenation of constant strings on the end, as in `%g.s'. | |
340 | %g also has the same effect of %d. | |
d887e808 | 341 | %u like %g, but make the temporary file name unique. |
4401b31c | 342 | %U returns the last file name generated with %u. |
ed1f651b RS |
343 | %d marks the argument containing or following the %d as a |
344 | temporary file name, so that that file will be deleted if CC exits | |
345 | successfully. Unlike %g, this contributes no text to the argument. | |
346 | %w marks the argument containing or following the %w as the | |
347 | "output file" of this compilation. This puts the argument | |
348 | into the sequence of arguments that %o will substitute later. | |
349 | %W{...} | |
350 | like %{...} but mark last argument supplied within | |
351 | as a file to be deleted on failure. | |
352 | %o substitutes the names of all the output files, with spaces | |
353 | automatically placed around them. You should write spaces | |
354 | around the %o as well or the results are undefined. | |
355 | %o is for use in the specs for running the linker. | |
356 | Input files whose names have no recognized suffix are not compiled | |
357 | at all, but they are included among the output files, so they will | |
358 | be linked. | |
ed7dae04 | 359 | %O substitutes the suffix for object files. |
ed1f651b RS |
360 | %p substitutes the standard macro predefinitions for the |
361 | current target machine. Use this when running cpp. | |
362 | %P like %p, but puts `__' before and after the name of each macro. | |
363 | (Except macros that already have __.) | |
364 | This is for ANSI C. | |
8eebb258 | 365 | %I Substitute a -iprefix option made from GCC_EXEC_PREFIX. |
ed1f651b RS |
366 | %s current argument is the name of a library or startup file of some sort. |
367 | Search for that file in a standard list of directories | |
368 | and substitute the full name found. | |
369 | %eSTR Print STR as an error message. STR is terminated by a newline. | |
370 | Use this when inconsistent options are detected. | |
371 | %x{OPTION} Accumulate an option for %X. | |
372 | %X Output the accumulated linker options specified by compilations. | |
c9ebacb8 | 373 | %Y Output the accumulated assembler options specified by compilations. |
57cb9b60 | 374 | %Z Output the accumulated preprocessor options specified by compilations. |
500c9e81 RS |
375 | %v1 Substitute the major version number of GCC. |
376 | (For version 2.5.n, this is 2.) | |
377 | %v2 Substitute the minor version number of GCC. | |
829407e1 | 378 | (For version 2.5.n, this is 5.) |
ed1f651b RS |
379 | %a process ASM_SPEC as a spec. |
380 | This allows config.h to specify part of the spec for running as. | |
381 | %A process ASM_FINAL_SPEC as a spec. A capital A is actually | |
382 | used here. This can be used to run a post-processor after the | |
383 | assembler has done it's job. | |
48ff801b | 384 | %D Dump out a -L option for each directory in startfile_prefixes. |
60103a34 | 385 | If multilib_dir is set, extra entries are generated with it affixed. |
ed1f651b RS |
386 | %l process LINK_SPEC as a spec. |
387 | %L process LIB_SPEC as a spec. | |
68d69835 | 388 | %G process LIBGCC_SPEC as a spec. |
ed1f651b RS |
389 | %S process STARTFILE_SPEC as a spec. A capital S is actually used here. |
390 | %E process ENDFILE_SPEC as a spec. A capital E is actually used here. | |
391 | %c process SIGNED_CHAR_SPEC as a spec. | |
392 | %C process CPP_SPEC as a spec. A capital C is actually used here. | |
393 | %1 process CC1_SPEC as a spec. | |
394 | %2 process CC1PLUS_SPEC as a spec. | |
a99bf70c | 395 | %| output "-" if the input for the current command is coming from a pipe. |
ed1f651b RS |
396 | %* substitute the variable part of a matched option. (See below.) |
397 | Note that each comma in the substituted string is replaced by | |
398 | a single space. | |
399 | %{S} substitutes the -S switch, if that switch was given to CC. | |
400 | If that switch was not specified, this substitutes nothing. | |
401 | Here S is a metasyntactic variable. | |
402 | %{S*} substitutes all the switches specified to CC whose names start | |
403 | with -S. This is used for -o, -D, -I, etc; switches that take | |
404 | arguments. CC considers `-o foo' as being one switch whose | |
405 | name starts with `o'. %{o*} would substitute this text, | |
406 | including the space; thus, two arguments would be generated. | |
b9490a6e | 407 | %{S*:X} substitutes X if one or more switches whose names start with -S are |
ed1f651b RS |
408 | specified to CC. Note that the tail part of the -S option |
409 | (i.e. the part matched by the `*') will be substituted for each | |
6dc42e49 | 410 | occurrence of %* within X. |
ed1f651b RS |
411 | %{S:X} substitutes X, but only if the -S switch was given to CC. |
412 | %{!S:X} substitutes X, but only if the -S switch was NOT given to CC. | |
413 | %{|S:X} like %{S:X}, but if no S switch, substitute `-'. | |
414 | %{|!S:X} like %{!S:X}, but if there is an S switch, substitute `-'. | |
415 | %{.S:X} substitutes X, but only if processing a file with suffix S. | |
416 | %{!.S:X} substitutes X, but only if NOT processing a file with suffix S. | |
b3865ca9 RS |
417 | %(Spec) processes a specification defined in a specs file as *Spec: |
418 | %[Spec] as above, but put __ around -D arguments | |
ed1f651b RS |
419 | |
420 | The conditional text X in a %{S:X} or %{!S:X} construct may contain | |
421 | other nested % constructs or spaces, or even newlines. They are | |
422 | processed as usual, as described above. | |
423 | ||
6c396fb5 | 424 | The -O, -f, -m, and -W switches are handled specifically in these |
f5b0eb4e RK |
425 | constructs. If another value of -O or the negated form of a -f, -m, or |
426 | -W switch is found later in the command line, the earlier switch | |
6c396fb5 RK |
427 | value is ignored, except with {S*} where S is just one letter; this |
428 | passes all matching options. | |
f5b0eb4e | 429 | |
ed1f651b RS |
430 | The character | is used to indicate that a command should be piped to |
431 | the following command, but only if -pipe is specified. | |
432 | ||
433 | Note that it is built into CC which switches take arguments and which | |
434 | do not. You might think it would be useful to generalize this to | |
435 | allow each compiler's spec to say which switches take arguments. But | |
436 | this cannot be done in a consistent fashion. CC cannot even decide | |
437 | which input files have been specified without knowing which switches | |
438 | take arguments, and it must know which input files to compile in order | |
439 | to tell which compilers to run. | |
440 | ||
441 | CC also knows implicitly that arguments starting in `-l' are to be | |
442 | treated as compiler output files, and passed to the linker in their | |
443 | proper position among the other output files. */ | |
444 | \f | |
445 | /* Define the macros used for specs %a, %l, %L, %S, %c, %C, %1. */ | |
446 | ||
447 | /* config.h can define ASM_SPEC to provide extra args to the assembler | |
448 | or extra switch-translations. */ | |
449 | #ifndef ASM_SPEC | |
450 | #define ASM_SPEC "" | |
451 | #endif | |
452 | ||
453 | /* config.h can define ASM_FINAL_SPEC to run a post processor after | |
454 | the assembler has run. */ | |
455 | #ifndef ASM_FINAL_SPEC | |
456 | #define ASM_FINAL_SPEC "" | |
457 | #endif | |
458 | ||
459 | /* config.h can define CPP_SPEC to provide extra args to the C preprocessor | |
460 | or extra switch-translations. */ | |
461 | #ifndef CPP_SPEC | |
462 | #define CPP_SPEC "" | |
463 | #endif | |
464 | ||
465 | /* config.h can define CC1_SPEC to provide extra args to cc1 and cc1plus | |
466 | or extra switch-translations. */ | |
467 | #ifndef CC1_SPEC | |
468 | #define CC1_SPEC "" | |
469 | #endif | |
470 | ||
471 | /* config.h can define CC1PLUS_SPEC to provide extra args to cc1plus | |
472 | or extra switch-translations. */ | |
473 | #ifndef CC1PLUS_SPEC | |
474 | #define CC1PLUS_SPEC "" | |
475 | #endif | |
476 | ||
477 | /* config.h can define LINK_SPEC to provide extra args to the linker | |
478 | or extra switch-translations. */ | |
479 | #ifndef LINK_SPEC | |
480 | #define LINK_SPEC "" | |
481 | #endif | |
482 | ||
483 | /* config.h can define LIB_SPEC to override the default libraries. */ | |
484 | #ifndef LIB_SPEC | |
68d69835 JM |
485 | #define LIB_SPEC "%{!shared:%{g*:-lg} %{!p:%{!pg:-lc}}%{p:-lc_p}%{pg:-lc_p}}" |
486 | #endif | |
487 | ||
488 | /* config.h can define LIBGCC_SPEC to override how and when libgcc.a is | |
489 | included. */ | |
490 | #ifndef LIBGCC_SPEC | |
491 | #if defined(LINK_LIBGCC_SPECIAL) || defined(LINK_LIBGCC_SPECIAL_1) | |
492 | /* Have gcc do the search for libgcc.a. */ | |
bacebbcf | 493 | #define LIBGCC_SPEC "libgcc.a%s" |
68d69835 | 494 | #else |
bacebbcf | 495 | #define LIBGCC_SPEC "-lgcc" |
68d69835 | 496 | #endif |
ed1f651b RS |
497 | #endif |
498 | ||
499 | /* config.h can define STARTFILE_SPEC to override the default crt0 files. */ | |
500 | #ifndef STARTFILE_SPEC | |
501 | #define STARTFILE_SPEC \ | |
adcb8d7d | 502 | "%{!shared:%{pg:gcrt0%O%s}%{!pg:%{p:mcrt0%O%s}%{!p:crt0%O%s}}}" |
ed1f651b RS |
503 | #endif |
504 | ||
505 | /* config.h can define SWITCHES_NEED_SPACES to control passing -o and -L. | |
506 | Make the string nonempty to require spaces there. */ | |
507 | #ifndef SWITCHES_NEED_SPACES | |
508 | #define SWITCHES_NEED_SPACES "" | |
509 | #endif | |
510 | ||
511 | /* config.h can define ENDFILE_SPEC to override the default crtn files. */ | |
512 | #ifndef ENDFILE_SPEC | |
513 | #define ENDFILE_SPEC "" | |
514 | #endif | |
515 | ||
516 | /* This spec is used for telling cpp whether char is signed or not. */ | |
517 | #ifndef SIGNED_CHAR_SPEC | |
0e14ddbc RS |
518 | /* Use #if rather than ?: |
519 | because MIPS C compiler rejects like ?: in initializers. */ | |
f396d278 RS |
520 | #if DEFAULT_SIGNED_CHAR |
521 | #define SIGNED_CHAR_SPEC "%{funsigned-char:-D__CHAR_UNSIGNED__}" | |
522 | #else | |
523 | #define SIGNED_CHAR_SPEC "%{!fsigned-char:-D__CHAR_UNSIGNED__}" | |
524 | #endif | |
ed1f651b RS |
525 | #endif |
526 | ||
60103a34 DE |
527 | /* MULTILIB_SELECT comes from multilib.h. It gives a |
528 | string interpreted by set_multilib_dir to select a library | |
529 | subdirectory based on the compiler options. */ | |
530 | #ifndef MULTILIB_SELECT | |
531 | #define MULTILIB_SELECT ". ;" | |
532 | #endif | |
533 | ||
ed1f651b RS |
534 | static char *cpp_spec = CPP_SPEC; |
535 | static char *cpp_predefines = CPP_PREDEFINES; | |
536 | static char *cc1_spec = CC1_SPEC; | |
537 | static char *cc1plus_spec = CC1PLUS_SPEC; | |
538 | static char *signed_char_spec = SIGNED_CHAR_SPEC; | |
539 | static char *asm_spec = ASM_SPEC; | |
540 | static char *asm_final_spec = ASM_FINAL_SPEC; | |
541 | static char *link_spec = LINK_SPEC; | |
542 | static char *lib_spec = LIB_SPEC; | |
68d69835 | 543 | static char *libgcc_spec = LIBGCC_SPEC; |
ed1f651b RS |
544 | static char *endfile_spec = ENDFILE_SPEC; |
545 | static char *startfile_spec = STARTFILE_SPEC; | |
546 | static char *switches_need_spaces = SWITCHES_NEED_SPACES; | |
60103a34 | 547 | static char *multilib_select = MULTILIB_SELECT; |
ed1f651b RS |
548 | |
549 | /* This defines which switch letters take arguments. */ | |
550 | ||
551 | #ifndef SWITCH_TAKES_ARG | |
552 | #define SWITCH_TAKES_ARG(CHAR) \ | |
553 | ((CHAR) == 'D' || (CHAR) == 'U' || (CHAR) == 'o' \ | |
554 | || (CHAR) == 'e' || (CHAR) == 'T' || (CHAR) == 'u' \ | |
34dd3838 | 555 | || (CHAR) == 'I' || (CHAR) == 'm' || (CHAR) == 'x' \ |
ed1f651b RS |
556 | || (CHAR) == 'L' || (CHAR) == 'A') |
557 | #endif | |
558 | ||
559 | /* This defines which multi-letter switches take arguments. */ | |
560 | ||
3b39b94f | 561 | #define DEFAULT_WORD_SWITCH_TAKES_ARG(STR) \ |
ebb8e0c6 JW |
562 | (!strcmp (STR, "Tdata") || !strcmp (STR, "Ttext") \ |
563 | || !strcmp (STR, "Tbss") || !strcmp (STR, "include") \ | |
3b39b94f ILT |
564 | || !strcmp (STR, "imacros") || !strcmp (STR, "aux-info") \ |
565 | || !strcmp (STR, "idirafter") || !strcmp (STR, "iprefix") \ | |
62a66e07 JW |
566 | || !strcmp (STR, "iwithprefix") || !strcmp (STR, "iwithprefixbefore") \ |
567 | || !strcmp (STR, "isystem")) | |
3b39b94f ILT |
568 | |
569 | #ifndef WORD_SWITCH_TAKES_ARG | |
570 | #define WORD_SWITCH_TAKES_ARG(STR) DEFAULT_WORD_SWITCH_TAKES_ARG (STR) | |
ed1f651b RS |
571 | #endif |
572 | \f | |
573 | /* Record the mapping from file suffixes for compilation specs. */ | |
574 | ||
575 | struct compiler | |
576 | { | |
577 | char *suffix; /* Use this compiler for input files | |
578 | whose names end in this suffix. */ | |
ec32609a RS |
579 | |
580 | char *spec[4]; /* To use this compiler, concatenate these | |
581 | specs and pass to do_spec. */ | |
ed1f651b RS |
582 | }; |
583 | ||
584 | /* Pointer to a vector of `struct compiler' that gives the spec for | |
585 | compiling a file, based on its suffix. | |
586 | A file that does not end in any of these suffixes will be passed | |
587 | unchanged to the loader and nothing else will be done to it. | |
588 | ||
589 | An entry containing two 0s is used to terminate the vector. | |
590 | ||
591 | If multiple entries match a file, the last matching one is used. */ | |
592 | ||
593 | static struct compiler *compilers; | |
594 | ||
595 | /* Number of entries in `compilers', not counting the null terminator. */ | |
596 | ||
597 | static int n_compilers; | |
598 | ||
599 | /* The default list of file name suffixes and their compilation specs. */ | |
600 | ||
601 | static struct compiler default_compilers[] = | |
602 | { | |
603 | {".c", "@c"}, | |
604 | {"@c", | |
3d130605 | 605 | "cpp -lang-c%{ansi:89} %{nostdinc*} %{C} %{v} %{A*} %{I*} %{P} %I\ |
ed1f651b | 606 | %{C:%{!E:%eGNU C does not support -C without using -E}}\ |
256a105a | 607 | %{M} %{MM} %{MD:-MD %b.d} %{MMD:-MMD %b.d} %{MG}\ |
500c9e81 | 608 | -undef -D__GNUC__=%v1 -D__GNUC_MINOR__=%v2\ |
829407e1 | 609 | %{ansi:-trigraphs -$ -D__STRICT_ANSI__}\ |
b9490a6e | 610 | %{!undef:%{!ansi:%p} %P} %{trigraphs} \ |
4782d5b5 | 611 | %c %{O*:%{!O0:-D__OPTIMIZE__}} %{traditional} %{ftraditional:-traditional}\ |
ed1f651b | 612 | %{traditional-cpp:-traditional}\ |
57cb9b60 | 613 | %{g*} %{W*} %{w} %{pedantic*} %{H} %{d*} %C %{D*} %{U*} %{i*} %Z\ |
ec32609a RS |
614 | %i %{!M:%{!MM:%{!E:%{!pipe:%g.i}}}}%{E:%W{o*}}%{M:%W{o*}}%{MM:%W{o*}} |\n", |
615 | "%{!M:%{!MM:%{!E:cc1 %{!pipe:%g.i} %1 \ | |
47288231 | 616 | %{!Q:-quiet} -dumpbase %b.c %{d*} %{m*} %{a*}\ |
ed1f651b RS |
617 | %{g*} %{O*} %{W*} %{w} %{pedantic*} %{ansi} \ |
618 | %{traditional} %{v:-version} %{pg:-p} %{p} %{f*}\ | |
b3865ca9 | 619 | %{aux-info*}\ |
ed1f651b RS |
620 | %{pg:%{fomit-frame-pointer:%e-pg and -fomit-frame-pointer are incompatible}}\ |
621 | %{S:%W{o*}%{!o*:-o %b.s}}%{!S:-o %{|!pipe:%g.s}} |\n\ | |
0600f3fa | 622 | %{!S:as %a %Y\ |
adcb8d7d | 623 | %{c:%W{o*}%{!o*:-o %w%b%O}}%{!c:-o %d%w%u%O}\ |
ed1f651b RS |
624 | %{!pipe:%g.s} %A\n }}}}"}, |
625 | {"-", | |
3d130605 | 626 | "%{E:cpp -lang-c%{ansi:89} %{nostdinc*} %{C} %{v} %{A*} %{I*} %{P} %I\ |
ed1f651b | 627 | %{C:%{!E:%eGNU C does not support -C without using -E}}\ |
256a105a | 628 | %{M} %{MM} %{MD:-MD %b.d} %{MMD:-MMD %b.d} %{MG}\ |
dc476ce2 RS |
629 | -undef -D__GNUC__=%v1 -D__GNUC_MINOR__=%v2\ |
630 | %{ansi:-trigraphs -$ -D__STRICT_ANSI__}\ | |
ed1f651b | 631 | %{!undef:%{!ansi:%p} %P} %{trigraphs}\ |
4782d5b5 | 632 | %c %{O*:%{!O0:-D__OPTIMIZE__}} %{traditional} %{ftraditional:-traditional}\ |
ed1f651b | 633 | %{traditional-cpp:-traditional}\ |
57cb9b60 | 634 | %{g*} %{W*} %{w} %{pedantic*} %{H} %{d*} %C %{D*} %{U*} %{i*} %Z\ |
ed1f651b RS |
635 | %i %W{o*}}\ |
636 | %{!E:%e-E required when input is from standard input}"}, | |
637 | {".m", "@objective-c"}, | |
638 | {"@objective-c", | |
b9490a6e | 639 | "cpp -lang-objc %{nostdinc*} %{C} %{v} %{A*} %{I*} %{P} %I\ |
ed1f651b | 640 | %{C:%{!E:%eGNU C does not support -C without using -E}}\ |
256a105a | 641 | %{M} %{MM} %{MD:-MD %b.d} %{MMD:-MMD %b.d} %{MG}\ |
500c9e81 | 642 | -undef -D__OBJC__ -D__GNUC__=%v1 -D__GNUC_MINOR__=%v2\ |
829407e1 | 643 | %{ansi:-trigraphs -$ -D__STRICT_ANSI__}\ |
ed1f651b | 644 | %{!undef:%{!ansi:%p} %P} %{trigraphs}\ |
4782d5b5 | 645 | %c %{O*:%{!O0:-D__OPTIMIZE__}} %{traditional} %{ftraditional:-traditional}\ |
ed1f651b | 646 | %{traditional-cpp:-traditional}\ |
57cb9b60 | 647 | %{g*} %{W*} %{w} %{pedantic*} %{H} %{d*} %C %{D*} %{U*} %{i*} %Z\ |
20eec2c2 | 648 | %i %{!M:%{!MM:%{!E:%{!pipe:%g.i}}}}%{E:%W{o*}}%{M:%W{o*}}%{MM:%W{o*}} |\n", |
ec32609a | 649 | "%{!M:%{!MM:%{!E:cc1obj %{!pipe:%g.i} %1 \ |
47288231 | 650 | %{!Q:-quiet} -dumpbase %b.m %{d*} %{m*} %{a*}\ |
ed1f651b RS |
651 | %{g*} %{O*} %{W*} %{w} %{pedantic*} %{ansi} \ |
652 | %{traditional} %{v:-version} %{pg:-p} %{p} %{f*} \ | |
653 | -lang-objc %{gen-decls} \ | |
b3865ca9 | 654 | %{aux-info*}\ |
ed1f651b RS |
655 | %{pg:%{fomit-frame-pointer:%e-pg and -fomit-frame-pointer are incompatible}}\ |
656 | %{S:%W{o*}%{!o*:-o %b.s}}%{!S:-o %{|!pipe:%g.s}} |\n\ | |
0600f3fa | 657 | %{!S:as %a %Y\ |
adcb8d7d | 658 | %{c:%W{o*}%{!o*:-o %w%b%O}}%{!c:-o %d%w%u%O}\ |
ed1f651b RS |
659 | %{!pipe:%g.s} %A\n }}}}"}, |
660 | {".h", "@c-header"}, | |
661 | {"@c-header", | |
662 | "%{!E:%eCompilation of header file requested} \ | |
b9490a6e | 663 | cpp %{nostdinc*} %{C} %{v} %{A*} %{I*} %{P} %I\ |
ed1f651b | 664 | %{C:%{!E:%eGNU C does not support -C without using -E}}\ |
256a105a | 665 | %{M} %{MM} %{MD:-MD %b.d} %{MMD:-MMD %b.d} %{MG}\ |
500c9e81 | 666 | -undef -D__GNUC__=%v1 -D__GNUC_MINOR__=%v2\ |
829407e1 | 667 | %{ansi:-trigraphs -$ -D__STRICT_ANSI__}\ |
ed1f651b | 668 | %{!undef:%{!ansi:%p} %P} %{trigraphs}\ |
4782d5b5 | 669 | %c %{O*:%{!O0:-D__OPTIMIZE__}} %{traditional} %{ftraditional:-traditional}\ |
ed1f651b | 670 | %{traditional-cpp:-traditional}\ |
57cb9b60 | 671 | %{g*} %{W*} %{w} %{pedantic*} %{H} %{d*} %C %{D*} %{U*} %{i*} %Z\ |
ed1f651b | 672 | %i %W{o*}"}, |
ed1f651b RS |
673 | {".i", "@cpp-output"}, |
674 | {"@cpp-output", | |
47288231 | 675 | "%{!M:%{!MM:%{!E:cc1 %i %1 %{!Q:-quiet} %{d*} %{m*} %{a*}\ |
ac4cf5d9 RK |
676 | %{g*} %{O*} %{W*} %{w} %{pedantic*} %{ansi}\ |
677 | %{traditional} %{v:-version} %{pg:-p} %{p} %{f*}\ | |
678 | %{aux-info*}\ | |
679 | %{pg:%{fomit-frame-pointer:%e-pg and -fomit-frame-pointer are incompatible}}\ | |
680 | %{S:%W{o*}%{!o*:-o %b.s}}%{!S:-o %{|!pipe:%g.s}} |\n\ | |
0600f3fa | 681 | %{!S:as %a %Y\ |
adcb8d7d | 682 | %{c:%W{o*}%{!o*:-o %w%b%O}}%{!c:-o %d%w%u%O}\ |
ac4cf5d9 | 683 | %{!pipe:%g.s} %A\n }}}}"}, |
ed1f651b RS |
684 | {".s", "@assembler"}, |
685 | {"@assembler", | |
0600f3fa | 686 | "%{!M:%{!MM:%{!E:%{!S:as %a %Y\ |
adcb8d7d | 687 | %{c:%W{o*}%{!o*:-o %w%b%O}}%{!c:-o %d%w%u%O}\ |
ac4cf5d9 | 688 | %i %A\n }}}}"}, |
ed1f651b RS |
689 | {".S", "@assembler-with-cpp"}, |
690 | {"@assembler-with-cpp", | |
b9490a6e | 691 | "cpp -lang-asm %{nostdinc*} %{C} %{v} %{A*} %{I*} %{P} %I\ |
ed1f651b | 692 | %{C:%{!E:%eGNU C does not support -C without using -E}}\ |
256a105a | 693 | %{M} %{MM} %{MD:-MD %b.d} %{MMD:-MMD %b.d} %{MG} %{trigraphs}\ |
ed1f651b | 694 | -undef -$ %{!undef:%p %P} -D__ASSEMBLER__ \ |
4782d5b5 | 695 | %c %{O*:%{!O0:-D__OPTIMIZE__}} %{traditional} %{ftraditional:-traditional}\ |
ed1f651b | 696 | %{traditional-cpp:-traditional}\ |
57cb9b60 | 697 | %{g*} %{W*} %{w} %{pedantic*} %{H} %{d*} %C %{D*} %{U*} %{i*} %Z\ |
20eec2c2 | 698 | %i %{!M:%{!MM:%{!E:%{!pipe:%g.s}}}}%{E:%W{o*}}%{M:%W{o*}}%{MM:%W{o*}} |\n", |
0600f3fa | 699 | "%{!M:%{!MM:%{!E:%{!S:as %a %Y\ |
adcb8d7d | 700 | %{c:%W{o*}%{!o*:-o %w%b%O}}%{!c:-o %d%w%u%O}\ |
ed1f651b | 701 | %{!pipe:%g.s} %A\n }}}}"}, |
1346ae41 | 702 | #include "specs.h" |
ed1f651b RS |
703 | /* Mark end of table */ |
704 | {0, 0} | |
705 | }; | |
706 | ||
707 | /* Number of elements in default_compilers, not counting the terminator. */ | |
708 | ||
709 | static int n_default_compilers | |
710 | = (sizeof default_compilers / sizeof (struct compiler)) - 1; | |
711 | ||
712 | /* Here is the spec for running the linker, after compiling all files. */ | |
713 | ||
2378088a | 714 | /* -u* was put back because both BSD and SysV seem to support it. */ |
7ede72fc RS |
715 | /* %{static:} simply prevents an error message if the target machine |
716 | doesn't handle -static. */ | |
a2dfec99 JW |
717 | /* We want %{T*} after %{L*} and %D so that it can be used to specify linker |
718 | scripts which exist in user specified directories, or in standard | |
719 | directories. */ | |
49003ff6 | 720 | #ifdef LINK_LIBGCC_SPECIAL |
68d69835 | 721 | /* Don't generate -L options. */ |
ed1f651b | 722 | static char *link_command_spec = "\ |
1763b229 | 723 | %{!fsyntax-only: \ |
4b3f0a5b | 724 | %{!c:%{!M:%{!MM:%{!E:%{!S:ld %l %X %{o*} %{A} %{d} %{e*} %{m} %{N} %{n} \ |
75b11629 | 725 | %{r} %{s} %{t} %{u*} %{x} %{z} %{Z}\ |
7f9cce93 DE |
726 | %{!A:%{!nostdlib:%{!nostartfiles:%S}}}\ |
727 | %{static:} %{L*} %{T*} %o\ | |
728 | %{!nostdlib:%{!nodefaultlibs:%G %L %G}}\ | |
729 | %{!A:%{!nostdlib:%{!nostartfiles:%E}}}\n }}}}}}"; | |
004fd4d5 | 730 | #else |
68d69835 | 731 | /* Use -L. */ |
004fd4d5 | 732 | static char *link_command_spec = "\ |
1763b229 | 733 | %{!fsyntax-only: \ |
4b3f0a5b | 734 | %{!c:%{!M:%{!MM:%{!E:%{!S:ld %l %X %{o*} %{A} %{d} %{e*} %{m} %{N} %{n} \ |
75b11629 | 735 | %{r} %{s} %{t} %{u*} %{x} %{z} %{Z}\ |
7f9cce93 DE |
736 | %{!A:%{!nostdlib:%{!nostartfiles:%S}}}\ |
737 | %{static:} %{L*} %D %{T*} %o\ | |
738 | %{!nostdlib:%{!nodefaultlibs:%G %L %G}}\ | |
739 | %{!A:%{!nostdlib:%{!nostartfiles:%E}}}\n }}}}}}"; | |
49003ff6 | 740 | #endif |
ed1f651b RS |
741 | |
742 | /* A vector of options to give to the linker. | |
368dfd3a | 743 | These options are accumulated by %x, |
ed1f651b RS |
744 | and substituted into the linker command with %X. */ |
745 | static int n_linker_options; | |
746 | static char **linker_options; | |
c9ebacb8 RS |
747 | |
748 | /* A vector of options to give to the assembler. | |
749 | These options are accumulated by -Wa, | |
57cb9b60 | 750 | and substituted into the assembler command with %Y. */ |
c9ebacb8 RS |
751 | static int n_assembler_options; |
752 | static char **assembler_options; | |
57cb9b60 JW |
753 | |
754 | /* A vector of options to give to the preprocessor. | |
755 | These options are accumulated by -Wp, | |
756 | and substituted into the preprocessor command with %Z. */ | |
757 | static int n_preprocessor_options; | |
758 | static char **preprocessor_options; | |
ed1f651b | 759 | \f |
f2faf549 RS |
760 | /* Define how to map long options into short ones. */ |
761 | ||
762 | /* This structure describes one mapping. */ | |
763 | struct option_map | |
764 | { | |
765 | /* The long option's name. */ | |
766 | char *name; | |
767 | /* The equivalent short option. */ | |
768 | char *equivalent; | |
769 | /* Argument info. A string of flag chars; NULL equals no options. | |
770 | a => argument required. | |
771 | o => argument optional. | |
772 | j => join argument to equivalent, making one word. | |
92bd6bdc | 773 | * => require other text after NAME as an argument. */ |
f2faf549 RS |
774 | char *arg_info; |
775 | }; | |
776 | ||
777 | /* This is the table of mappings. Mappings are tried sequentially | |
778 | for each option encountered; the first one that matches, wins. */ | |
779 | ||
780 | struct option_map option_map[] = | |
781 | { | |
92bd6bdc RK |
782 | {"--all-warnings", "-Wall", 0}, |
783 | {"--ansi", "-ansi", 0}, | |
784 | {"--assemble", "-S", 0}, | |
785 | {"--assert", "-A", "a"}, | |
786 | {"--comments", "-C", 0}, | |
f2faf549 | 787 | {"--compile", "-c", 0}, |
92bd6bdc RK |
788 | {"--debug", "-g", "oj"}, |
789 | {"--define-macro", "-D", "a"}, | |
790 | {"--dependencies", "-M", 0}, | |
f2faf549 | 791 | {"--dump", "-d", "a"}, |
92bd6bdc | 792 | {"--dumpbase", "-dumpbase", "a"}, |
f2faf549 | 793 | {"--entry", "-e", 0}, |
92bd6bdc RK |
794 | {"--extra-warnings", "-W", 0}, |
795 | {"--for-assembler", "-Wa", "a"}, | |
796 | {"--for-linker", "-Xlinker", "a"}, | |
797 | {"--force-link", "-u", "a"}, | |
f2faf549 | 798 | {"--imacros", "-imacros", "a"}, |
92bd6bdc RK |
799 | {"--include", "-include", "a"}, |
800 | {"--include-barrier", "-I-", 0}, | |
801 | {"--include-directory", "-I", "a"}, | |
f2faf549 | 802 | {"--include-directory-after", "-idirafter", "a"}, |
92bd6bdc | 803 | {"--include-prefix", "-iprefix", "a"}, |
f2faf549 | 804 | {"--include-with-prefix", "-iwithprefix", "a"}, |
8b3d0251 RS |
805 | {"--include-with-prefix-before", "-iwithprefixbefore", "a"}, |
806 | {"--include-with-prefix-after", "-iwithprefix", "a"}, | |
92bd6bdc RK |
807 | {"--language", "-x", "a"}, |
808 | {"--library-directory", "-L", "a"}, | |
f2faf549 | 809 | {"--machine", "-m", "aj"}, |
92bd6bdc RK |
810 | {"--machine-", "-m", "*j"}, |
811 | {"--no-line-commands", "-P", 0}, | |
812 | {"--no-precompiled-includes", "-noprecomp", 0}, | |
f2faf549 RS |
813 | {"--no-standard-includes", "-nostdinc", 0}, |
814 | {"--no-standard-libraries", "-nostdlib", 0}, | |
f2faf549 | 815 | {"--no-warnings", "-w", 0}, |
f2faf549 | 816 | {"--optimize", "-O", "oj"}, |
92bd6bdc | 817 | {"--output", "-o", "a"}, |
f2faf549 RS |
818 | {"--pedantic", "-pedantic", 0}, |
819 | {"--pedantic-errors", "-pedantic-errors", 0}, | |
92bd6bdc RK |
820 | {"--pipe", "-pipe", 0}, |
821 | {"--prefix", "-B", "a"}, | |
822 | {"--preprocess", "-E", 0}, | |
2628b9d3 | 823 | {"--print-search-dirs", "-print-search-dirs", 0}, |
6a9e290e | 824 | {"--print-file-name", "-print-file-name=", "aj"}, |
92bd6bdc RK |
825 | {"--print-libgcc-file-name", "-print-libgcc-file-name", 0}, |
826 | {"--print-missing-file-dependencies", "-MG", 0}, | |
60103a34 DE |
827 | {"--print-multi-lib", "-print-multi-lib", 0}, |
828 | {"--print-multi-directory", "-print-multi-directory", 0}, | |
92bd6bdc RK |
829 | {"--print-prog-name", "-print-prog-name=", "aj"}, |
830 | {"--profile", "-p", 0}, | |
831 | {"--profile-blocks", "-a", 0}, | |
832 | {"--quiet", "-q", 0}, | |
833 | {"--save-temps", "-save-temps", 0}, | |
f2faf549 | 834 | {"--shared", "-shared", 0}, |
92bd6bdc RK |
835 | {"--silent", "-q", 0}, |
836 | {"--static", "-static", 0}, | |
f2faf549 | 837 | {"--symbolic", "-symbolic", 0}, |
92bd6bdc RK |
838 | {"--target", "-b", "a"}, |
839 | {"--trace-includes", "-H", 0}, | |
840 | {"--traditional", "-traditional", 0}, | |
841 | {"--traditional-cpp", "-traditional-cpp", 0}, | |
842 | {"--trigraphs", "-trigraphs", 0}, | |
843 | {"--undefine-macro", "-U", "a"}, | |
844 | {"--use-version", "-V", "a"}, | |
845 | {"--user-dependencies", "-MM", 0}, | |
846 | {"--verbose", "-v", 0}, | |
847 | {"--version", "-dumpversion", 0}, | |
848 | {"--warn-", "-W", "*j"}, | |
849 | {"--write-dependencies", "-MD", 0}, | |
850 | {"--write-user-dependencies", "-MMD", 0}, | |
f2faf549 RS |
851 | {"--", "-f", "*j"} |
852 | }; | |
853 | \f | |
854 | /* Translate the options described by *ARGCP and *ARGVP. | |
855 | Make a new vector and store it back in *ARGVP, | |
856 | and store its length in *ARGVC. */ | |
857 | ||
858 | static void | |
859 | translate_options (argcp, argvp) | |
860 | int *argcp; | |
861 | char ***argvp; | |
862 | { | |
92bd6bdc | 863 | int i, j, k; |
f2faf549 RS |
864 | int argc = *argcp; |
865 | char **argv = *argvp; | |
866 | char **newv = (char **) xmalloc ((argc + 2) * 2 * sizeof (char *)); | |
867 | int newindex = 0; | |
868 | ||
869 | i = 0; | |
870 | newv[newindex++] = argv[i++]; | |
871 | ||
872 | while (i < argc) | |
873 | { | |
874 | /* Translate -- options. */ | |
875 | if (argv[i][0] == '-' && argv[i][1] == '-') | |
876 | { | |
877 | /* Find a mapping that applies to this option. */ | |
878 | for (j = 0; j < sizeof (option_map) / sizeof (option_map[0]); j++) | |
879 | { | |
880 | int optlen = strlen (option_map[j].name); | |
92bd6bdc RK |
881 | int arglen = strlen (argv[i]); |
882 | int complen = arglen > optlen ? optlen : arglen; | |
cc198f10 RS |
883 | char *arginfo = option_map[j].arg_info; |
884 | ||
885 | if (arginfo == 0) | |
886 | arginfo = ""; | |
92bd6bdc | 887 | |
f2faf549 RS |
888 | if (!strncmp (argv[i], option_map[j].name, complen)) |
889 | { | |
f2faf549 RS |
890 | char *arg = 0; |
891 | ||
92bd6bdc RK |
892 | if (arglen < optlen) |
893 | { | |
894 | for (k = j + 1; | |
895 | k < sizeof (option_map) / sizeof (option_map[0]); | |
896 | k++) | |
897 | if (strlen (option_map[k].name) >= arglen | |
898 | && !strncmp (argv[i], option_map[k].name, arglen)) | |
899 | { | |
900 | error ("Ambiguous abbreviation %s", argv[i]); | |
901 | break; | |
902 | } | |
903 | ||
904 | if (k != sizeof (option_map) / sizeof (option_map[0])) | |
905 | break; | |
906 | } | |
907 | ||
908 | if (arglen > optlen) | |
f2faf549 RS |
909 | { |
910 | /* If the option has an argument, accept that. */ | |
911 | if (argv[i][optlen] == '=') | |
912 | arg = argv[i] + optlen + 1; | |
92bd6bdc RK |
913 | |
914 | /* If this mapping requires extra text at end of name, | |
f2faf549 | 915 | accept that as "argument". */ |
cc198f10 | 916 | else if (index (arginfo, '*') != 0) |
f2faf549 | 917 | arg = argv[i] + optlen; |
92bd6bdc | 918 | |
f2faf549 RS |
919 | /* Otherwise, extra text at end means mismatch. |
920 | Try other mappings. */ | |
921 | else | |
922 | continue; | |
923 | } | |
92bd6bdc | 924 | |
cc198f10 | 925 | else if (index (arginfo, '*') != 0) |
92bd6bdc RK |
926 | { |
927 | error ("Incomplete `%s' option", option_map[j].name); | |
928 | break; | |
929 | } | |
f2faf549 RS |
930 | |
931 | /* Handle arguments. */ | |
92bd6bdc | 932 | if (index (arginfo, 'a') != 0) |
f2faf549 RS |
933 | { |
934 | if (arg == 0) | |
935 | { | |
936 | if (i + 1 == argc) | |
92bd6bdc RK |
937 | { |
938 | error ("Missing argument to `%s' option", | |
939 | option_map[j].name); | |
940 | break; | |
941 | } | |
942 | ||
f2faf549 RS |
943 | arg = argv[++i]; |
944 | } | |
945 | } | |
fff26804 RS |
946 | else if (index (arginfo, '*') != 0) |
947 | ; | |
92bd6bdc | 948 | else if (index (arginfo, 'o') == 0) |
f2faf549 RS |
949 | { |
950 | if (arg != 0) | |
951 | error ("Extraneous argument to `%s' option", | |
952 | option_map[j].name); | |
953 | arg = 0; | |
954 | } | |
955 | ||
956 | /* Store the translation as one argv elt or as two. */ | |
cc198f10 | 957 | if (arg != 0 && index (arginfo, 'j') != 0) |
48ff801b | 958 | newv[newindex++] = concat (option_map[j].equivalent, arg); |
f2faf549 RS |
959 | else if (arg != 0) |
960 | { | |
961 | newv[newindex++] = option_map[j].equivalent; | |
962 | newv[newindex++] = arg; | |
963 | } | |
964 | else | |
965 | newv[newindex++] = option_map[j].equivalent; | |
966 | ||
967 | break; | |
968 | } | |
969 | } | |
970 | i++; | |
971 | } | |
92bd6bdc | 972 | |
f2faf549 RS |
973 | /* Handle old-fashioned options--just copy them through, |
974 | with their arguments. */ | |
975 | else if (argv[i][0] == '-') | |
976 | { | |
977 | char *p = argv[i] + 1; | |
978 | int c = *p; | |
979 | int nskip = 1; | |
980 | ||
981 | if (SWITCH_TAKES_ARG (c) > (p[1] != 0)) | |
982 | nskip += SWITCH_TAKES_ARG (c) - (p[1] != 0); | |
983 | else if (WORD_SWITCH_TAKES_ARG (p)) | |
984 | nskip += WORD_SWITCH_TAKES_ARG (p); | |
fb99c21c JW |
985 | else if ((c == 'B' || c == 'b' || c == 'V' || c == 'x') |
986 | && p[1] == 0) | |
987 | nskip += 1; | |
988 | else if (! strcmp (p, "Xlinker")) | |
989 | nskip += 1; | |
f2faf549 | 990 | |
e184d694 JW |
991 | /* Watch out for an option at the end of the command line that |
992 | is missing arguments, and avoid skipping past the end of the | |
993 | command line. */ | |
994 | if (nskip + i > argc) | |
995 | nskip = argc - i; | |
996 | ||
f2faf549 RS |
997 | while (nskip > 0) |
998 | { | |
999 | newv[newindex++] = argv[i++]; | |
1000 | nskip--; | |
1001 | } | |
1002 | } | |
1003 | else | |
1004 | /* Ordinary operands, or +e options. */ | |
1005 | newv[newindex++] = argv[i++]; | |
1006 | } | |
1007 | ||
1008 | newv[newindex] = 0; | |
1009 | ||
1010 | *argvp = newv; | |
1011 | *argcp = newindex; | |
1012 | } | |
1013 | \f | |
b6da8566 RK |
1014 | char * |
1015 | my_strerror(e) | |
1016 | int e; | |
1017 | { | |
1018 | ||
1019 | #ifdef HAVE_STRERROR | |
1020 | return strerror(e); | |
1021 | ||
1022 | #else | |
1023 | ||
1024 | static char buffer[30]; | |
1025 | if (!e) | |
c6b51be9 | 1026 | return "cannot access"; |
b6da8566 RK |
1027 | |
1028 | if (e > 0 && e < sys_nerr) | |
1029 | return sys_errlist[e]; | |
1030 | ||
1031 | sprintf (buffer, "Unknown error %d", e); | |
1032 | return buffer; | |
1033 | #endif | |
1034 | } | |
1035 | \f | |
ed1f651b RS |
1036 | /* Read compilation specs from a file named FILENAME, |
1037 | replacing the default ones. | |
1038 | ||
1039 | A suffix which starts with `*' is a definition for | |
1040 | one of the machine-specific sub-specs. The "suffix" should be | |
1041 | *asm, *cc1, *cpp, *link, *startfile, *signed_char, etc. | |
1042 | The corresponding spec is stored in asm_spec, etc., | |
1043 | rather than in the `compilers' vector. | |
1044 | ||
1045 | Anything invalid in the file is a fatal error. */ | |
1046 | ||
1047 | static void | |
1048 | read_specs (filename) | |
1049 | char *filename; | |
1050 | { | |
1051 | int desc; | |
56070e55 | 1052 | int readlen; |
ed1f651b RS |
1053 | struct stat statbuf; |
1054 | char *buffer; | |
1055 | register char *p; | |
1056 | ||
1057 | if (verbose_flag) | |
1058 | fprintf (stderr, "Reading specs from %s\n", filename); | |
1059 | ||
1060 | /* Open and stat the file. */ | |
f4d21c5c | 1061 | desc = open (filename, O_RDONLY, 0); |
ed1f651b RS |
1062 | if (desc < 0) |
1063 | pfatal_with_name (filename); | |
1064 | if (stat (filename, &statbuf) < 0) | |
1065 | pfatal_with_name (filename); | |
1066 | ||
1067 | /* Read contents of file into BUFFER. */ | |
a6bf4347 | 1068 | buffer = xmalloc ((unsigned) statbuf.st_size + 1); |
56070e55 RK |
1069 | readlen = read (desc, buffer, (unsigned) statbuf.st_size); |
1070 | if (readlen < 0) | |
1071 | pfatal_with_name (filename); | |
1072 | buffer[readlen] = 0; | |
ed1f651b RS |
1073 | close (desc); |
1074 | ||
1075 | /* Scan BUFFER for specs, putting them in the vector. */ | |
1076 | p = buffer; | |
1077 | while (1) | |
1078 | { | |
1079 | char *suffix; | |
1080 | char *spec; | |
1081 | char *in, *out, *p1, *p2; | |
1082 | ||
1083 | /* Advance P in BUFFER to the next nonblank nocomment line. */ | |
1084 | p = skip_whitespace (p); | |
1085 | if (*p == 0) | |
1086 | break; | |
1087 | ||
1088 | /* Find the colon that should end the suffix. */ | |
1089 | p1 = p; | |
1090 | while (*p1 && *p1 != ':' && *p1 != '\n') p1++; | |
1091 | /* The colon shouldn't be missing. */ | |
1092 | if (*p1 != ':') | |
1093 | fatal ("specs file malformed after %d characters", p1 - buffer); | |
1094 | /* Skip back over trailing whitespace. */ | |
1095 | p2 = p1; | |
1096 | while (p2 > buffer && (p2[-1] == ' ' || p2[-1] == '\t')) p2--; | |
1097 | /* Copy the suffix to a string. */ | |
1098 | suffix = save_string (p, p2 - p); | |
1099 | /* Find the next line. */ | |
1100 | p = skip_whitespace (p1 + 1); | |
1101 | if (p[1] == 0) | |
1102 | fatal ("specs file malformed after %d characters", p - buffer); | |
1103 | p1 = p; | |
1104 | /* Find next blank line. */ | |
1105 | while (*p1 && !(*p1 == '\n' && p1[1] == '\n')) p1++; | |
1106 | /* Specs end at the blank line and do not include the newline. */ | |
1107 | spec = save_string (p, p1 - p); | |
1108 | p = p1; | |
1109 | ||
1110 | /* Delete backslash-newline sequences from the spec. */ | |
1111 | in = spec; | |
1112 | out = spec; | |
1113 | while (*in != 0) | |
1114 | { | |
1115 | if (in[0] == '\\' && in[1] == '\n') | |
1116 | in += 2; | |
1117 | else if (in[0] == '#') | |
1118 | { | |
1119 | while (*in && *in != '\n') in++; | |
ed1f651b RS |
1120 | } |
1121 | else | |
1122 | *out++ = *in++; | |
1123 | } | |
1124 | *out = 0; | |
1125 | ||
1126 | if (suffix[0] == '*') | |
1127 | { | |
1128 | if (! strcmp (suffix, "*link_command")) | |
1129 | link_command_spec = spec; | |
1130 | else | |
1131 | set_spec (suffix + 1, spec); | |
1132 | } | |
1133 | else | |
1134 | { | |
1135 | /* Add this pair to the vector. */ | |
1136 | compilers | |
1137 | = ((struct compiler *) | |
1138 | xrealloc (compilers, (n_compilers + 2) * sizeof (struct compiler))); | |
1139 | compilers[n_compilers].suffix = suffix; | |
4c9a05bc | 1140 | bzero ((char *) compilers[n_compilers].spec, |
ec32609a RS |
1141 | sizeof compilers[n_compilers].spec); |
1142 | compilers[n_compilers].spec[0] = spec; | |
ed1f651b | 1143 | n_compilers++; |
4c9a05bc RK |
1144 | bzero ((char *) &compilers[n_compilers], |
1145 | sizeof compilers[n_compilers]); | |
ed1f651b RS |
1146 | } |
1147 | ||
1148 | if (*suffix == 0) | |
1149 | link_command_spec = spec; | |
1150 | } | |
1151 | ||
1152 | if (link_command_spec == 0) | |
1153 | fatal ("spec file has no spec for linking"); | |
1154 | } | |
1155 | ||
1156 | static char * | |
1157 | skip_whitespace (p) | |
1158 | char *p; | |
1159 | { | |
1160 | while (1) | |
1161 | { | |
1162 | /* A fully-blank line is a delimiter in the SPEC file and shouldn't | |
1163 | be considered whitespace. */ | |
1164 | if (p[0] == '\n' && p[1] == '\n' && p[2] == '\n') | |
1165 | return p + 1; | |
1166 | else if (*p == '\n' || *p == ' ' || *p == '\t') | |
1167 | p++; | |
1168 | else if (*p == '#') | |
1169 | { | |
1170 | while (*p != '\n') p++; | |
1171 | p++; | |
1172 | } | |
1173 | else | |
1174 | break; | |
1175 | } | |
1176 | ||
1177 | return p; | |
1178 | } | |
1179 | \f | |
1180 | /* Structure to keep track of the specs that have been defined so far. These | |
b3865ca9 | 1181 | are accessed using %(specname) or %[specname] in a compiler or link spec. */ |
ed1f651b RS |
1182 | |
1183 | struct spec_list | |
1184 | { | |
1185 | char *name; /* Name of the spec. */ | |
1186 | char *spec; /* The spec itself. */ | |
1187 | struct spec_list *next; /* Next spec in linked list. */ | |
1188 | }; | |
1189 | ||
1190 | /* List of specs that have been defined so far. */ | |
1191 | ||
1192 | static struct spec_list *specs = (struct spec_list *) 0; | |
1193 | \f | |
1194 | /* Change the value of spec NAME to SPEC. If SPEC is empty, then the spec is | |
1195 | removed; If the spec starts with a + then SPEC is added to the end of the | |
1196 | current spec. */ | |
1197 | ||
1198 | static void | |
1199 | set_spec (name, spec) | |
1200 | char *name; | |
1201 | char *spec; | |
1202 | { | |
1203 | struct spec_list *sl; | |
1204 | char *old_spec; | |
1205 | ||
1206 | /* See if the spec already exists */ | |
1207 | for (sl = specs; sl; sl = sl->next) | |
1208 | if (strcmp (sl->name, name) == 0) | |
1209 | break; | |
1210 | ||
1211 | if (!sl) | |
1212 | { | |
1213 | /* Not found - make it */ | |
1214 | sl = (struct spec_list *) xmalloc (sizeof (struct spec_list)); | |
1215 | sl->name = save_string (name, strlen (name)); | |
1216 | sl->spec = save_string ("", 0); | |
1217 | sl->next = specs; | |
1218 | specs = sl; | |
1219 | } | |
1220 | ||
1221 | old_spec = sl->spec; | |
1222 | if (name && spec[0] == '+' && isspace (spec[1])) | |
48ff801b | 1223 | sl->spec = concat (old_spec, spec + 1); |
ed1f651b RS |
1224 | else |
1225 | sl->spec = save_string (spec, strlen (spec)); | |
1226 | ||
1227 | if (! strcmp (name, "asm")) | |
1228 | asm_spec = sl->spec; | |
1229 | else if (! strcmp (name, "asm_final")) | |
1230 | asm_final_spec = sl->spec; | |
1231 | else if (! strcmp (name, "cc1")) | |
1232 | cc1_spec = sl->spec; | |
1233 | else if (! strcmp (name, "cc1plus")) | |
1234 | cc1plus_spec = sl->spec; | |
1235 | else if (! strcmp (name, "cpp")) | |
1236 | cpp_spec = sl->spec; | |
1237 | else if (! strcmp (name, "endfile")) | |
1238 | endfile_spec = sl->spec; | |
1239 | else if (! strcmp (name, "lib")) | |
1240 | lib_spec = sl->spec; | |
68d69835 JM |
1241 | else if (! strcmp (name, "libgcc")) |
1242 | libgcc_spec = sl->spec; | |
ed1f651b RS |
1243 | else if (! strcmp (name, "link")) |
1244 | link_spec = sl->spec; | |
1245 | else if (! strcmp (name, "predefines")) | |
1246 | cpp_predefines = sl->spec; | |
1247 | else if (! strcmp (name, "signed_char")) | |
1248 | signed_char_spec = sl->spec; | |
1249 | else if (! strcmp (name, "startfile")) | |
1250 | startfile_spec = sl->spec; | |
1251 | else if (! strcmp (name, "switches_need_spaces")) | |
1252 | switches_need_spaces = sl->spec; | |
004fd4d5 RS |
1253 | else if (! strcmp (name, "cross_compile")) |
1254 | cross_compile = atoi (sl->spec); | |
60103a34 DE |
1255 | else if (! strcmp (name, "multilib")) |
1256 | multilib_select = sl->spec; | |
ed1f651b RS |
1257 | /* Free the old spec */ |
1258 | if (old_spec) | |
1259 | free (old_spec); | |
1260 | } | |
1261 | \f | |
1262 | /* Accumulate a command (program name and args), and run it. */ | |
1263 | ||
1264 | /* Vector of pointers to arguments in the current line of specifications. */ | |
1265 | ||
1266 | static char **argbuf; | |
1267 | ||
1268 | /* Number of elements allocated in argbuf. */ | |
1269 | ||
1270 | static int argbuf_length; | |
1271 | ||
1272 | /* Number of elements in argbuf currently in use (containing args). */ | |
1273 | ||
1274 | static int argbuf_index; | |
1275 | ||
fb266030 TW |
1276 | /* This is the list of suffixes and codes (%g/%u/%U) and the associated |
1277 | temp file. Used only if MKTEMP_EACH_FILE. */ | |
1278 | ||
1279 | static struct temp_name { | |
1280 | char *suffix; /* suffix associated with the code. */ | |
1281 | int length; /* strlen (suffix). */ | |
1282 | int unique; /* Indicates whether %g or %u/%U was used. */ | |
1283 | char *filename; /* associated filename. */ | |
1284 | int filename_length; /* strlen (filename). */ | |
1285 | struct temp_name *next; | |
1286 | } *temp_names; | |
1287 | ||
ed1f651b RS |
1288 | /* Number of commands executed so far. */ |
1289 | ||
1290 | static int execution_count; | |
1291 | ||
3b9b4d3f RS |
1292 | /* Number of commands that exited with a signal. */ |
1293 | ||
1294 | static int signal_count; | |
1295 | ||
ed1f651b RS |
1296 | /* Name with which this program was invoked. */ |
1297 | ||
1298 | static char *programname; | |
1299 | \f | |
1300 | /* Structures to keep track of prefixes to try when looking for files. */ | |
1301 | ||
1302 | struct prefix_list | |
1303 | { | |
1304 | char *prefix; /* String to prepend to the path. */ | |
1305 | struct prefix_list *next; /* Next in linked list. */ | |
1306 | int require_machine_suffix; /* Don't use without machine_suffix. */ | |
ae04227b | 1307 | /* 2 means try both machine_suffix and just_machine_suffix. */ |
ed1f651b RS |
1308 | int *used_flag_ptr; /* 1 if a file was found with this prefix. */ |
1309 | }; | |
1310 | ||
1311 | struct path_prefix | |
1312 | { | |
1313 | struct prefix_list *plist; /* List of prefixes to try */ | |
1314 | int max_len; /* Max length of a prefix in PLIST */ | |
1315 | char *name; /* Name of this list (used in config stuff) */ | |
1316 | }; | |
1317 | ||
1318 | /* List of prefixes to try when looking for executables. */ | |
1319 | ||
48ff801b | 1320 | static struct path_prefix exec_prefixes = { 0, 0, "exec" }; |
ed1f651b RS |
1321 | |
1322 | /* List of prefixes to try when looking for startup (crt0) files. */ | |
1323 | ||
48ff801b | 1324 | static struct path_prefix startfile_prefixes = { 0, 0, "startfile" }; |
ed1f651b | 1325 | |
2d879387 JW |
1326 | /* List of prefixes to try when looking for include files. */ |
1327 | ||
48ff801b | 1328 | static struct path_prefix include_prefixes = { 0, 0, "include" }; |
2d879387 | 1329 | |
ae04227b CH |
1330 | /* Suffix to attach to directories searched for commands. |
1331 | This looks like `MACHINE/VERSION/'. */ | |
ed1f651b RS |
1332 | |
1333 | static char *machine_suffix = 0; | |
1334 | ||
ae04227b CH |
1335 | /* Suffix to attach to directories searched for commands. |
1336 | This is just `MACHINE/'. */ | |
1337 | ||
1338 | static char *just_machine_suffix = 0; | |
1339 | ||
8eebb258 RS |
1340 | /* Adjusted value of GCC_EXEC_PREFIX envvar. */ |
1341 | ||
1342 | static char *gcc_exec_prefix; | |
1343 | ||
ed1f651b RS |
1344 | /* Default prefixes to attach to command names. */ |
1345 | ||
1346 | #ifdef CROSS_COMPILE /* Don't use these prefixes for a cross compiler. */ | |
1347 | #undef MD_EXEC_PREFIX | |
1348 | #undef MD_STARTFILE_PREFIX | |
607a4f7d | 1349 | #undef MD_STARTFILE_PREFIX_1 |
ed1f651b RS |
1350 | #endif |
1351 | ||
1352 | #ifndef STANDARD_EXEC_PREFIX | |
004fd4d5 | 1353 | #define STANDARD_EXEC_PREFIX "/usr/local/lib/gcc-lib/" |
ed1f651b RS |
1354 | #endif /* !defined STANDARD_EXEC_PREFIX */ |
1355 | ||
1356 | static char *standard_exec_prefix = STANDARD_EXEC_PREFIX; | |
1357 | static char *standard_exec_prefix_1 = "/usr/lib/gcc/"; | |
1358 | #ifdef MD_EXEC_PREFIX | |
1359 | static char *md_exec_prefix = MD_EXEC_PREFIX; | |
1360 | #endif | |
1361 | ||
1362 | #ifndef STANDARD_STARTFILE_PREFIX | |
1363 | #define STANDARD_STARTFILE_PREFIX "/usr/local/lib/" | |
1364 | #endif /* !defined STANDARD_STARTFILE_PREFIX */ | |
1365 | ||
1366 | #ifdef MD_STARTFILE_PREFIX | |
1367 | static char *md_startfile_prefix = MD_STARTFILE_PREFIX; | |
1368 | #endif | |
607a4f7d RS |
1369 | #ifdef MD_STARTFILE_PREFIX_1 |
1370 | static char *md_startfile_prefix_1 = MD_STARTFILE_PREFIX_1; | |
1371 | #endif | |
ed1f651b RS |
1372 | static char *standard_startfile_prefix = STANDARD_STARTFILE_PREFIX; |
1373 | static char *standard_startfile_prefix_1 = "/lib/"; | |
1374 | static char *standard_startfile_prefix_2 = "/usr/lib/"; | |
1375 | ||
53cc3d63 ILT |
1376 | #ifndef TOOLDIR_BASE_PREFIX |
1377 | #define TOOLDIR_BASE_PREFIX "/usr/local/" | |
f18fd956 | 1378 | #endif |
53cc3d63 | 1379 | static char *tooldir_base_prefix = TOOLDIR_BASE_PREFIX; |
f18fd956 RS |
1380 | static char *tooldir_prefix; |
1381 | ||
60103a34 DE |
1382 | /* Subdirectory to use for locating libraries. Set by |
1383 | set_multilib_dir based on the compilation options. */ | |
1384 | ||
1385 | static char *multilib_dir; | |
1386 | ||
ed1f651b RS |
1387 | /* Clear out the vector of arguments (after a command is executed). */ |
1388 | ||
1389 | static void | |
1390 | clear_args () | |
1391 | { | |
1392 | argbuf_index = 0; | |
1393 | } | |
1394 | ||
1395 | /* Add one argument to the vector at the end. | |
1396 | This is done when a space is seen or at the end of the line. | |
1397 | If DELETE_ALWAYS is nonzero, the arg is a filename | |
1398 | and the file should be deleted eventually. | |
1399 | If DELETE_FAILURE is nonzero, the arg is a filename | |
1400 | and the file should be deleted if this compilation fails. */ | |
1401 | ||
1402 | static void | |
1403 | store_arg (arg, delete_always, delete_failure) | |
1404 | char *arg; | |
1405 | int delete_always, delete_failure; | |
1406 | { | |
1407 | if (argbuf_index + 1 == argbuf_length) | |
1408 | { | |
1409 | argbuf = (char **) xrealloc (argbuf, (argbuf_length *= 2) * sizeof (char *)); | |
1410 | } | |
1411 | ||
1412 | argbuf[argbuf_index++] = arg; | |
1413 | argbuf[argbuf_index] = 0; | |
1414 | ||
1415 | if (delete_always || delete_failure) | |
1416 | record_temp_file (arg, delete_always, delete_failure); | |
1417 | } | |
1418 | \f | |
1419 | /* Record the names of temporary files we tell compilers to write, | |
1420 | and delete them at the end of the run. */ | |
1421 | ||
1422 | /* This is the common prefix we use to make temp file names. | |
1423 | It is chosen once for each run of this program. | |
1424 | It is substituted into a spec by %g. | |
1425 | Thus, all temp file names contain this prefix. | |
1426 | In practice, all temp file names start with this prefix. | |
1427 | ||
1428 | This prefix comes from the envvar TMPDIR if it is defined; | |
1429 | otherwise, from the P_tmpdir macro if that is defined; | |
1430 | otherwise, in /usr/tmp or /tmp. */ | |
1431 | ||
1432 | static char *temp_filename; | |
1433 | ||
1434 | /* Length of the prefix. */ | |
1435 | ||
1436 | static int temp_filename_length; | |
1437 | ||
1438 | /* Define the list of temporary files to delete. */ | |
1439 | ||
1440 | struct temp_file | |
1441 | { | |
1442 | char *name; | |
1443 | struct temp_file *next; | |
1444 | }; | |
1445 | ||
1446 | /* Queue of files to delete on success or failure of compilation. */ | |
1447 | static struct temp_file *always_delete_queue; | |
1448 | /* Queue of files to delete on failure of compilation. */ | |
1449 | static struct temp_file *failure_delete_queue; | |
1450 | ||
1451 | /* Record FILENAME as a file to be deleted automatically. | |
1452 | ALWAYS_DELETE nonzero means delete it if all compilation succeeds; | |
1453 | otherwise delete it in any case. | |
1454 | FAIL_DELETE nonzero means delete it if a compilation step fails; | |
1455 | otherwise delete it in any case. */ | |
1456 | ||
1457 | static void | |
1458 | record_temp_file (filename, always_delete, fail_delete) | |
1459 | char *filename; | |
1460 | int always_delete; | |
1461 | int fail_delete; | |
1462 | { | |
1463 | register char *name; | |
1464 | name = xmalloc (strlen (filename) + 1); | |
1465 | strcpy (name, filename); | |
1466 | ||
1467 | if (always_delete) | |
1468 | { | |
1469 | register struct temp_file *temp; | |
1470 | for (temp = always_delete_queue; temp; temp = temp->next) | |
1471 | if (! strcmp (name, temp->name)) | |
1472 | goto already1; | |
1473 | temp = (struct temp_file *) xmalloc (sizeof (struct temp_file)); | |
1474 | temp->next = always_delete_queue; | |
1475 | temp->name = name; | |
1476 | always_delete_queue = temp; | |
1477 | already1:; | |
1478 | } | |
1479 | ||
1480 | if (fail_delete) | |
1481 | { | |
1482 | register struct temp_file *temp; | |
1483 | for (temp = failure_delete_queue; temp; temp = temp->next) | |
1484 | if (! strcmp (name, temp->name)) | |
1485 | goto already2; | |
1486 | temp = (struct temp_file *) xmalloc (sizeof (struct temp_file)); | |
1487 | temp->next = failure_delete_queue; | |
1488 | temp->name = name; | |
1489 | failure_delete_queue = temp; | |
1490 | already2:; | |
1491 | } | |
1492 | } | |
1493 | ||
1494 | /* Delete all the temporary files whose names we previously recorded. */ | |
1495 | ||
d5ea2ac4 RK |
1496 | static void |
1497 | delete_if_ordinary (name) | |
1498 | char *name; | |
1499 | { | |
1500 | struct stat st; | |
1501 | #ifdef DEBUG | |
1502 | int i, c; | |
1503 | ||
1504 | printf ("Delete %s? (y or n) ", name); | |
1505 | fflush (stdout); | |
1506 | i = getchar (); | |
1507 | if (i != '\n') | |
1508 | while ((c = getchar ()) != '\n' && c != EOF) ; | |
1509 | if (i == 'y' || i == 'Y') | |
1510 | #endif /* DEBUG */ | |
1511 | if (stat (name, &st) >= 0 && S_ISREG (st.st_mode)) | |
1512 | if (unlink (name) < 0) | |
1513 | if (verbose_flag) | |
1514 | perror_with_name (name); | |
1515 | } | |
1516 | ||
ed1f651b RS |
1517 | static void |
1518 | delete_temp_files () | |
1519 | { | |
1520 | register struct temp_file *temp; | |
1521 | ||
1522 | for (temp = always_delete_queue; temp; temp = temp->next) | |
d5ea2ac4 | 1523 | delete_if_ordinary (temp->name); |
ed1f651b RS |
1524 | always_delete_queue = 0; |
1525 | } | |
1526 | ||
1527 | /* Delete all the files to be deleted on error. */ | |
1528 | ||
1529 | static void | |
1530 | delete_failure_queue () | |
1531 | { | |
1532 | register struct temp_file *temp; | |
1533 | ||
1534 | for (temp = failure_delete_queue; temp; temp = temp->next) | |
d5ea2ac4 | 1535 | delete_if_ordinary (temp->name); |
ed1f651b RS |
1536 | } |
1537 | ||
1538 | static void | |
1539 | clear_failure_queue () | |
1540 | { | |
1541 | failure_delete_queue = 0; | |
1542 | } | |
1543 | ||
1544 | /* Compute a string to use as the base of all temporary file names. | |
1545 | It is substituted for %g. */ | |
1546 | ||
1e72f68f RS |
1547 | static char * |
1548 | choose_temp_base_try (try, base) | |
d5ea2ac4 RK |
1549 | char *try; |
1550 | char *base; | |
1e72f68f RS |
1551 | { |
1552 | char *rv; | |
1553 | if (base) | |
1554 | rv = base; | |
1555 | else if (try == (char *)0) | |
1556 | rv = 0; | |
1557 | else if (access (try, R_OK | W_OK) != 0) | |
1558 | rv = 0; | |
1559 | else | |
1560 | rv = try; | |
1561 | return rv; | |
1562 | } | |
1563 | ||
ed1f651b RS |
1564 | static void |
1565 | choose_temp_base () | |
1566 | { | |
1e72f68f | 1567 | char *base = 0; |
ed1f651b RS |
1568 | int len; |
1569 | ||
1e72f68f RS |
1570 | base = choose_temp_base_try (getenv ("TMPDIR"), base); |
1571 | base = choose_temp_base_try (getenv ("TMP"), base); | |
1572 | base = choose_temp_base_try (getenv ("TEMP"), base); | |
1573 | ||
ed1f651b | 1574 | #ifdef P_tmpdir |
1e72f68f | 1575 | base = choose_temp_base_try (P_tmpdir, base); |
ed1f651b | 1576 | #endif |
1e72f68f | 1577 | |
48ff801b RK |
1578 | base = choose_temp_base_try (concat4 (dir_separator_str, "usr", |
1579 | dir_separator_str, "tmp"), | |
1580 | base); | |
1581 | base = choose_temp_base_try (concat (dir_separator_str, "tmp"), base); | |
1582 | ||
1e72f68f | 1583 | /* If all else fails, use the current directory! */ |
48ff801b | 1584 | if (base == (char *)0) base = concat(".", dir_separator_str); |
ed1f651b RS |
1585 | |
1586 | len = strlen (base); | |
48ff801b RK |
1587 | temp_filename = xmalloc (len + strlen (concat (dir_separator_str, |
1588 | "ccXXXXXX")) + 1); | |
ed1f651b | 1589 | strcpy (temp_filename, base); |
48ff801b RK |
1590 | if (len > 0 && temp_filename[len-1] != '/' |
1591 | && temp_filename[len-1] != DIR_SEPARATOR) | |
1592 | temp_filename[len++] = DIR_SEPARATOR; | |
ed1f651b RS |
1593 | strcpy (temp_filename + len, "ccXXXXXX"); |
1594 | ||
1595 | mktemp (temp_filename); | |
1596 | temp_filename_length = strlen (temp_filename); | |
fb266030 TW |
1597 | if (temp_filename_length == 0) |
1598 | abort (); | |
ed1f651b | 1599 | } |
b3865ca9 RS |
1600 | \f |
1601 | ||
1602 | /* Routine to add variables to the environment. We do this to pass | |
1603 | the pathname of the gcc driver, and the directories search to the | |
1604 | collect2 program, which is being run as ld. This way, we can be | |
1605 | sure of executing the right compiler when collect2 wants to build | |
1606 | constructors and destructors. Since the environment variables we | |
1607 | use come from an obstack, we don't have to worry about allocating | |
1608 | space for them. */ | |
1609 | ||
1610 | #ifndef HAVE_PUTENV | |
1611 | ||
2a353d3a | 1612 | void |
b3865ca9 RS |
1613 | putenv (str) |
1614 | char *str; | |
1615 | { | |
b3865ca9 RS |
1616 | #ifndef VMS /* nor about VMS */ |
1617 | ||
1618 | extern char **environ; | |
1619 | char **old_environ = environ; | |
1620 | char **envp; | |
1621 | int num_envs = 0; | |
1622 | int name_len = 1; | |
1623 | int str_len = strlen (str); | |
1624 | char *p = str; | |
1625 | int ch; | |
1626 | ||
1627 | while ((ch = *p++) != '\0' && ch != '=') | |
1628 | name_len++; | |
1629 | ||
1630 | if (!ch) | |
1631 | abort (); | |
1632 | ||
1633 | /* Search for replacing an existing environment variable, and | |
1634 | count the number of total environment variables. */ | |
1635 | for (envp = old_environ; *envp; envp++) | |
1636 | { | |
1637 | num_envs++; | |
1638 | if (!strncmp (str, *envp, name_len)) | |
1639 | { | |
1640 | *envp = str; | |
1641 | return; | |
1642 | } | |
1643 | } | |
1644 | ||
1645 | /* Add a new environment variable */ | |
1646 | environ = (char **) xmalloc (sizeof (char *) * (num_envs+2)); | |
1647 | *environ = str; | |
4c9a05bc RK |
1648 | bcopy ((char *) old_environ, (char *) (environ + 1), |
1649 | sizeof (char *) * (num_envs+1)); | |
b3865ca9 RS |
1650 | |
1651 | #endif /* VMS */ | |
b3865ca9 RS |
1652 | } |
1653 | ||
1654 | #endif /* HAVE_PUTENV */ | |
1655 | ||
1656 | \f | |
2628b9d3 DE |
1657 | /* Build a list of search directories from PATHS. |
1658 | PREFIX is a string to prepend to the list. | |
1659 | If CHECK_DIR_P is non-zero we ensure the directory exists. | |
1660 | This is used mostly by putenv_from_prefixes so we use `collect_obstack'. | |
1661 | It is also used by the --print-search-dirs flag. */ | |
b3865ca9 | 1662 | |
2628b9d3 DE |
1663 | static char * |
1664 | build_search_list (paths, prefix, check_dir_p) | |
b3865ca9 | 1665 | struct path_prefix *paths; |
2628b9d3 DE |
1666 | char *prefix; |
1667 | int check_dir_p; | |
b3865ca9 RS |
1668 | { |
1669 | int suffix_len = (machine_suffix) ? strlen (machine_suffix) : 0; | |
3ae7de4e RK |
1670 | int just_suffix_len |
1671 | = (just_machine_suffix) ? strlen (just_machine_suffix) : 0; | |
b3865ca9 RS |
1672 | int first_time = TRUE; |
1673 | struct prefix_list *pprefix; | |
1674 | ||
2628b9d3 | 1675 | obstack_grow (&collect_obstack, prefix, strlen (prefix)); |
b3865ca9 RS |
1676 | |
1677 | for (pprefix = paths->plist; pprefix != 0; pprefix = pprefix->next) | |
1678 | { | |
1679 | int len = strlen (pprefix->prefix); | |
1680 | ||
0ad5835e | 1681 | if (machine_suffix |
2628b9d3 DE |
1682 | && (!check_dir_p |
1683 | || is_directory (pprefix->prefix, machine_suffix, 0))) | |
b3865ca9 RS |
1684 | { |
1685 | if (!first_time) | |
3ae7de4e | 1686 | obstack_1grow (&collect_obstack, PATH_SEPARATOR); |
b3865ca9 RS |
1687 | |
1688 | first_time = FALSE; | |
1689 | obstack_grow (&collect_obstack, pprefix->prefix, len); | |
1690 | obstack_grow (&collect_obstack, machine_suffix, suffix_len); | |
1691 | } | |
1692 | ||
0ad5835e ILT |
1693 | if (just_machine_suffix |
1694 | && pprefix->require_machine_suffix == 2 | |
2628b9d3 DE |
1695 | && (!check_dir_p |
1696 | || is_directory (pprefix->prefix, just_machine_suffix, 0))) | |
ae04227b CH |
1697 | { |
1698 | if (!first_time) | |
3ae7de4e | 1699 | obstack_1grow (&collect_obstack, PATH_SEPARATOR); |
ae04227b CH |
1700 | |
1701 | first_time = FALSE; | |
1702 | obstack_grow (&collect_obstack, pprefix->prefix, len); | |
3ae7de4e RK |
1703 | obstack_grow (&collect_obstack, just_machine_suffix, |
1704 | just_suffix_len); | |
ae04227b CH |
1705 | } |
1706 | ||
b3865ca9 RS |
1707 | if (!pprefix->require_machine_suffix) |
1708 | { | |
1709 | if (!first_time) | |
3ae7de4e | 1710 | obstack_1grow (&collect_obstack, PATH_SEPARATOR); |
b3865ca9 RS |
1711 | |
1712 | first_time = FALSE; | |
1713 | obstack_grow (&collect_obstack, pprefix->prefix, len); | |
1714 | } | |
1715 | } | |
3ae7de4e | 1716 | obstack_1grow (&collect_obstack, '\0'); |
2628b9d3 | 1717 | return obstack_finish (&collect_obstack); |
b3865ca9 RS |
1718 | } |
1719 | ||
2628b9d3 DE |
1720 | /* Rebuild the COMPILER_PATH and LIBRARY_PATH environment variables for collect. */ |
1721 | ||
1722 | static void | |
1723 | putenv_from_prefixes (paths, env_var) | |
1724 | struct path_prefix *paths; | |
1725 | char *env_var; | |
1726 | { | |
1727 | putenv (build_search_list (paths, env_var, 1)); | |
1728 | } | |
ed1f651b RS |
1729 | \f |
1730 | /* Search for NAME using the prefix list PREFIXES. MODE is passed to | |
1731 | access to check permissions. | |
1732 | Return 0 if not found, otherwise return its name, allocated with malloc. */ | |
1733 | ||
1734 | static char * | |
1735 | find_a_file (pprefix, name, mode) | |
1736 | struct path_prefix *pprefix; | |
1737 | char *name; | |
1738 | int mode; | |
1739 | { | |
1740 | char *temp; | |
004fd4d5 | 1741 | char *file_suffix = ((mode & X_OK) != 0 ? EXECUTABLE_SUFFIX : ""); |
ed1f651b RS |
1742 | struct prefix_list *pl; |
1743 | int len = pprefix->max_len + strlen (name) + strlen (file_suffix) + 1; | |
1744 | ||
1745 | if (machine_suffix) | |
1746 | len += strlen (machine_suffix); | |
1747 | ||
1748 | temp = xmalloc (len); | |
1749 | ||
1750 | /* Determine the filename to execute (special case for absolute paths). */ | |
1751 | ||
48ff801b | 1752 | if (*name == '/' || *name == DIR_SEPARATOR) |
ed1f651b RS |
1753 | { |
1754 | if (access (name, mode)) | |
1755 | { | |
1756 | strcpy (temp, name); | |
1757 | return temp; | |
1758 | } | |
1759 | } | |
1760 | else | |
1761 | for (pl = pprefix->plist; pl; pl = pl->next) | |
1762 | { | |
1763 | if (machine_suffix) | |
1764 | { | |
ed1f651b | 1765 | /* Some systems have a suffix for executable files. |
460dcab4 | 1766 | So try appending that first. */ |
ed1f651b RS |
1767 | if (file_suffix[0] != 0) |
1768 | { | |
460dcab4 RK |
1769 | strcpy (temp, pl->prefix); |
1770 | strcat (temp, machine_suffix); | |
1771 | strcat (temp, name); | |
ed1f651b RS |
1772 | strcat (temp, file_suffix); |
1773 | if (access (temp, mode) == 0) | |
1774 | { | |
1775 | if (pl->used_flag_ptr != 0) | |
1776 | *pl->used_flag_ptr = 1; | |
1777 | return temp; | |
1778 | } | |
1779 | } | |
460dcab4 RK |
1780 | |
1781 | /* Now try just the name. */ | |
ae04227b | 1782 | strcpy (temp, pl->prefix); |
460dcab4 | 1783 | strcat (temp, machine_suffix); |
ae04227b CH |
1784 | strcat (temp, name); |
1785 | if (access (temp, mode) == 0) | |
1786 | { | |
1787 | if (pl->used_flag_ptr != 0) | |
1788 | *pl->used_flag_ptr = 1; | |
1789 | return temp; | |
1790 | } | |
460dcab4 RK |
1791 | } |
1792 | ||
1793 | /* Certain prefixes are tried with just the machine type, | |
1794 | not the version. This is used for finding as, ld, etc. */ | |
1795 | if (just_machine_suffix && pl->require_machine_suffix == 2) | |
1796 | { | |
ae04227b | 1797 | /* Some systems have a suffix for executable files. |
460dcab4 | 1798 | So try appending that first. */ |
ae04227b CH |
1799 | if (file_suffix[0] != 0) |
1800 | { | |
460dcab4 RK |
1801 | strcpy (temp, pl->prefix); |
1802 | strcat (temp, just_machine_suffix); | |
1803 | strcat (temp, name); | |
ae04227b CH |
1804 | strcat (temp, file_suffix); |
1805 | if (access (temp, mode) == 0) | |
1806 | { | |
1807 | if (pl->used_flag_ptr != 0) | |
1808 | *pl->used_flag_ptr = 1; | |
1809 | return temp; | |
1810 | } | |
1811 | } | |
460dcab4 | 1812 | |
ed1f651b | 1813 | strcpy (temp, pl->prefix); |
460dcab4 | 1814 | strcat (temp, just_machine_suffix); |
ed1f651b RS |
1815 | strcat (temp, name); |
1816 | if (access (temp, mode) == 0) | |
1817 | { | |
1818 | if (pl->used_flag_ptr != 0) | |
1819 | *pl->used_flag_ptr = 1; | |
1820 | return temp; | |
1821 | } | |
460dcab4 RK |
1822 | } |
1823 | ||
1824 | /* Certain prefixes can't be used without the machine suffix | |
1825 | when the machine or version is explicitly specified. */ | |
1826 | if (!pl->require_machine_suffix) | |
1827 | { | |
ed1f651b | 1828 | /* Some systems have a suffix for executable files. |
460dcab4 | 1829 | So try appending that first. */ |
ed1f651b RS |
1830 | if (file_suffix[0] != 0) |
1831 | { | |
460dcab4 RK |
1832 | strcpy (temp, pl->prefix); |
1833 | strcat (temp, name); | |
ed1f651b RS |
1834 | strcat (temp, file_suffix); |
1835 | if (access (temp, mode) == 0) | |
1836 | { | |
1837 | if (pl->used_flag_ptr != 0) | |
1838 | *pl->used_flag_ptr = 1; | |
1839 | return temp; | |
1840 | } | |
1841 | } | |
460dcab4 RK |
1842 | |
1843 | strcpy (temp, pl->prefix); | |
1844 | strcat (temp, name); | |
1845 | if (access (temp, mode) == 0) | |
1846 | { | |
1847 | if (pl->used_flag_ptr != 0) | |
1848 | *pl->used_flag_ptr = 1; | |
1849 | return temp; | |
1850 | } | |
ed1f651b RS |
1851 | } |
1852 | } | |
1853 | ||
1854 | free (temp); | |
1855 | return 0; | |
1856 | } | |
1857 | ||
1858 | /* Add an entry for PREFIX in PLIST. If FIRST is set, it goes | |
1859 | at the start of the list, otherwise it goes at the end. | |
1860 | ||
1861 | If WARN is nonzero, we will warn if no file is found | |
1862 | through this prefix. WARN should point to an int | |
ae04227b CH |
1863 | which will be set to 1 if this entry is used. |
1864 | ||
1865 | REQUIRE_MACHINE_SUFFIX is 1 if this prefix can't be used without | |
1866 | the complete value of machine_suffix. | |
1867 | 2 means try both machine_suffix and just_machine_suffix. */ | |
ed1f651b RS |
1868 | |
1869 | static void | |
1870 | add_prefix (pprefix, prefix, first, require_machine_suffix, warn) | |
1871 | struct path_prefix *pprefix; | |
1872 | char *prefix; | |
1873 | int first; | |
1874 | int require_machine_suffix; | |
1875 | int *warn; | |
1876 | { | |
1877 | struct prefix_list *pl, **prev; | |
1878 | int len; | |
1879 | ||
1880 | if (!first && pprefix->plist) | |
1881 | { | |
1882 | for (pl = pprefix->plist; pl->next; pl = pl->next) | |
1883 | ; | |
1884 | prev = &pl->next; | |
1885 | } | |
1886 | else | |
1887 | prev = &pprefix->plist; | |
1888 | ||
1889 | /* Keep track of the longest prefix */ | |
1890 | ||
1891 | len = strlen (prefix); | |
1892 | if (len > pprefix->max_len) | |
1893 | pprefix->max_len = len; | |
1894 | ||
1895 | pl = (struct prefix_list *) xmalloc (sizeof (struct prefix_list)); | |
1896 | pl->prefix = save_string (prefix, len); | |
1897 | pl->require_machine_suffix = require_machine_suffix; | |
1898 | pl->used_flag_ptr = warn; | |
1899 | if (warn) | |
1900 | *warn = 0; | |
1901 | ||
1902 | if (*prev) | |
1903 | pl->next = *prev; | |
1904 | else | |
1905 | pl->next = (struct prefix_list *) 0; | |
1906 | *prev = pl; | |
1907 | } | |
1908 | ||
1909 | /* Print warnings for any prefixes in the list PPREFIX that were not used. */ | |
1910 | ||
1911 | static void | |
1912 | unused_prefix_warnings (pprefix) | |
1913 | struct path_prefix *pprefix; | |
1914 | { | |
1915 | struct prefix_list *pl = pprefix->plist; | |
1916 | ||
1917 | while (pl) | |
1918 | { | |
1919 | if (pl->used_flag_ptr != 0 && !*pl->used_flag_ptr) | |
1920 | { | |
5d7bb90c RK |
1921 | if (pl->require_machine_suffix && machine_suffix) |
1922 | error ("file path prefix `%s%s' never used", pl->prefix, | |
1923 | machine_suffix); | |
1924 | else | |
1925 | error ("file path prefix `%s' never used", pl->prefix); | |
1926 | ||
ed1f651b RS |
1927 | /* Prevent duplicate warnings. */ |
1928 | *pl->used_flag_ptr = 1; | |
1929 | } | |
1930 | pl = pl->next; | |
1931 | } | |
1932 | } | |
1933 | ||
1934 | /* Get rid of all prefixes built up so far in *PLISTP. */ | |
1935 | ||
1936 | static void | |
1937 | free_path_prefix (pprefix) | |
1938 | struct path_prefix *pprefix; | |
1939 | { | |
1940 | struct prefix_list *pl = pprefix->plist; | |
1941 | struct prefix_list *temp; | |
1942 | ||
1943 | while (pl) | |
1944 | { | |
1945 | temp = pl; | |
1946 | pl = pl->next; | |
1947 | free (temp->prefix); | |
1948 | free ((char *) temp); | |
1949 | } | |
1950 | pprefix->plist = (struct prefix_list *) 0; | |
1951 | } | |
1952 | \f | |
1953 | /* stdin file number. */ | |
1954 | #define STDIN_FILE_NO 0 | |
1955 | ||
1956 | /* stdout file number. */ | |
1957 | #define STDOUT_FILE_NO 1 | |
1958 | ||
1959 | /* value of `pipe': port index for reading. */ | |
1960 | #define READ_PORT 0 | |
1961 | ||
1962 | /* value of `pipe': port index for writing. */ | |
1963 | #define WRITE_PORT 1 | |
1964 | ||
1965 | /* Pipe waiting from last process, to be used as input for the next one. | |
1966 | Value is STDIN_FILE_NO if no pipe is waiting | |
1967 | (i.e. the next command is the first of a group). */ | |
1968 | ||
1969 | static int last_pipe_input; | |
1970 | ||
1971 | /* Fork one piped subcommand. FUNC is the system call to use | |
1972 | (either execv or execvp). ARGV is the arg vector to use. | |
1973 | NOT_LAST is nonzero if this is not the last subcommand | |
1974 | (i.e. its output should be piped to the next one.) */ | |
1975 | ||
1976 | #ifdef __MSDOS__ | |
1977 | ||
c2fdae8e | 1978 | #include <process.h> |
ed1f651b | 1979 | static int |
14be024e RS |
1980 | pexecute (search_flag, program, argv, not_last) |
1981 | int search_flag; | |
ed1f651b | 1982 | char *program; |
ed1f651b RS |
1983 | char *argv[]; |
1984 | int not_last; | |
1985 | { | |
c2fdae8e MM |
1986 | #ifdef __GO32__ |
1987 | int i = (search_flag ? spawnv : spawnvp) (1, program, argv); | |
1988 | #else | |
1e72f68f | 1989 | char *scmd, *rf; |
ed1f651b | 1990 | FILE *argfile; |
1e72f68f | 1991 | int i, el = search_flag ? 0 : 4; |
ed1f651b | 1992 | |
1e72f68f RS |
1993 | scmd = (char *)malloc (strlen (program) + strlen (temp_filename) + 6 + el); |
1994 | rf = scmd + strlen(program) + 2 + el; | |
1995 | sprintf (scmd, "%s%s @%s.gp", program, | |
1996 | (search_flag ? "" : ".exe"), temp_filename); | |
1997 | argfile = fopen (rf, "w"); | |
ed1f651b | 1998 | if (argfile == 0) |
1e72f68f | 1999 | pfatal_with_name (rf); |
ed1f651b RS |
2000 | |
2001 | for (i=1; argv[i]; i++) | |
1e72f68f RS |
2002 | { |
2003 | char *cp; | |
2004 | for (cp = argv[i]; *cp; cp++) | |
2005 | { | |
2006 | if (*cp == '"' || *cp == '\'' || *cp == '\\' || isspace (*cp)) | |
2007 | fputc ('\\', argfile); | |
2008 | fputc (*cp, argfile); | |
2009 | } | |
2010 | fputc ('\n', argfile); | |
2011 | } | |
59014d0a | 2012 | fclose (argfile); |
ed1f651b | 2013 | |
59014d0a | 2014 | i = system (scmd); |
ed1f651b | 2015 | |
1e72f68f | 2016 | remove (rf); |
c2fdae8e | 2017 | #endif |
1e72f68f RS |
2018 | |
2019 | if (i == -1) | |
2020 | { | |
2021 | perror_exec (program); | |
2022 | return MIN_FATAL_STATUS << 8; | |
2023 | } | |
ed1f651b RS |
2024 | return i << 8; |
2025 | } | |
2026 | ||
48ff801b RK |
2027 | #endif |
2028 | ||
e9990579 | 2029 | #if !defined(__MSDOS__) && !defined(OS2) && !defined(_WIN32) |
ed1f651b RS |
2030 | |
2031 | static int | |
14be024e RS |
2032 | pexecute (search_flag, program, argv, not_last) |
2033 | int search_flag; | |
ed1f651b | 2034 | char *program; |
ed1f651b RS |
2035 | char *argv[]; |
2036 | int not_last; | |
2037 | { | |
14be024e | 2038 | int (*func)() = (search_flag ? execv : execvp); |
ed1f651b RS |
2039 | int pid; |
2040 | int pdes[2]; | |
2041 | int input_desc = last_pipe_input; | |
2042 | int output_desc = STDOUT_FILE_NO; | |
2043 | int retries, sleep_interval; | |
2044 | ||
2045 | /* If this isn't the last process, make a pipe for its output, | |
2046 | and record it as waiting to be the input to the next process. */ | |
2047 | ||
2048 | if (not_last) | |
2049 | { | |
2050 | if (pipe (pdes) < 0) | |
2051 | pfatal_with_name ("pipe"); | |
2052 | output_desc = pdes[WRITE_PORT]; | |
2053 | last_pipe_input = pdes[READ_PORT]; | |
2054 | } | |
2055 | else | |
2056 | last_pipe_input = STDIN_FILE_NO; | |
2057 | ||
2058 | /* Fork a subprocess; wait and retry if it fails. */ | |
2059 | sleep_interval = 1; | |
2060 | for (retries = 0; retries < 4; retries++) | |
2061 | { | |
2062 | pid = vfork (); | |
2063 | if (pid >= 0) | |
2064 | break; | |
2065 | sleep (sleep_interval); | |
2066 | sleep_interval *= 2; | |
2067 | } | |
2068 | ||
2069 | switch (pid) | |
2070 | { | |
2071 | case -1: | |
2072 | #ifdef vfork | |
2073 | pfatal_with_name ("fork"); | |
2074 | #else | |
2075 | pfatal_with_name ("vfork"); | |
2076 | #endif | |
2077 | /* NOTREACHED */ | |
2078 | return 0; | |
2079 | ||
2080 | case 0: /* child */ | |
2081 | /* Move the input and output pipes into place, if nec. */ | |
2082 | if (input_desc != STDIN_FILE_NO) | |
2083 | { | |
2084 | close (STDIN_FILE_NO); | |
2085 | dup (input_desc); | |
2086 | close (input_desc); | |
2087 | } | |
2088 | if (output_desc != STDOUT_FILE_NO) | |
2089 | { | |
2090 | close (STDOUT_FILE_NO); | |
2091 | dup (output_desc); | |
2092 | close (output_desc); | |
2093 | } | |
2094 | ||
2095 | /* Close the parent's descs that aren't wanted here. */ | |
2096 | if (last_pipe_input != STDIN_FILE_NO) | |
2097 | close (last_pipe_input); | |
2098 | ||
2099 | /* Exec the program. */ | |
2100 | (*func) (program, argv); | |
2101 | perror_exec (program); | |
2102 | exit (-1); | |
2103 | /* NOTREACHED */ | |
2104 | return 0; | |
2105 | ||
2106 | default: | |
2107 | /* In the parent, after forking. | |
2108 | Close the descriptors that we made for this child. */ | |
2109 | if (input_desc != STDIN_FILE_NO) | |
2110 | close (input_desc); | |
2111 | if (output_desc != STDOUT_FILE_NO) | |
2112 | close (output_desc); | |
2113 | ||
2114 | /* Return child's process number. */ | |
2115 | return pid; | |
2116 | } | |
2117 | } | |
2118 | ||
e9990579 | 2119 | #endif /* not __MSDOS__ and not OS2 and not _WIN32 */ |
48ff801b | 2120 | |
aa76a77e | 2121 | #if defined(OS2) |
48ff801b | 2122 | |
aa76a77e RK |
2123 | static int |
2124 | pexecute (search_flag, program, argv, not_last) | |
2125 | int search_flag; | |
2126 | char *program; | |
2127 | char *argv[]; | |
2128 | int not_last; | |
48ff801b | 2129 | { |
aa76a77e | 2130 | return (search_flag ? spawnv : spawnvp) (1, program, argv); |
48ff801b | 2131 | } |
aa76a77e | 2132 | #endif /* OS2 */ |
48ff801b | 2133 | |
aa76a77e | 2134 | #if defined(_WIN32) |
14be024e RS |
2135 | |
2136 | static int | |
2137 | pexecute (search_flag, program, argv, not_last) | |
2138 | int search_flag; | |
2139 | char *program; | |
2140 | char *argv[]; | |
2141 | int not_last; | |
2142 | { | |
aa76a77e | 2143 | return (search_flag ? __spawnv : __spawnvp) (1, program, argv); |
14be024e | 2144 | } |
aa76a77e | 2145 | #endif /* _WIN32 */ |
48ff801b | 2146 | |
ed1f651b RS |
2147 | \f |
2148 | /* Execute the command specified by the arguments on the current line of spec. | |
2149 | When using pipes, this includes several piped-together commands | |
2150 | with `|' between them. | |
2151 | ||
2152 | Return 0 if successful, -1 if failed. */ | |
2153 | ||
2154 | static int | |
2155 | execute () | |
2156 | { | |
2157 | int i; | |
2158 | int n_commands; /* # of command. */ | |
2159 | char *string; | |
2160 | struct command | |
2161 | { | |
2162 | char *prog; /* program name. */ | |
2163 | char **argv; /* vector of args. */ | |
2164 | int pid; /* pid of process for this command. */ | |
2165 | }; | |
2166 | ||
2167 | struct command *commands; /* each command buffer with above info. */ | |
2168 | ||
2169 | /* Count # of piped commands. */ | |
2170 | for (n_commands = 1, i = 0; i < argbuf_index; i++) | |
2171 | if (strcmp (argbuf[i], "|") == 0) | |
2172 | n_commands++; | |
2173 | ||
2174 | /* Get storage for each command. */ | |
2175 | commands | |
2176 | = (struct command *) alloca (n_commands * sizeof (struct command)); | |
2177 | ||
2178 | /* Split argbuf into its separate piped processes, | |
2179 | and record info about each one. | |
2180 | Also search for the programs that are to be run. */ | |
2181 | ||
2182 | commands[0].prog = argbuf[0]; /* first command. */ | |
2183 | commands[0].argv = &argbuf[0]; | |
48ff801b | 2184 | string = find_a_file (&exec_prefixes, commands[0].prog, X_OK); |
ed1f651b RS |
2185 | if (string) |
2186 | commands[0].argv[0] = string; | |
2187 | ||
2188 | for (n_commands = 1, i = 0; i < argbuf_index; i++) | |
2189 | if (strcmp (argbuf[i], "|") == 0) | |
2190 | { /* each command. */ | |
2191 | #ifdef __MSDOS__ | |
2192 | fatal ("-pipe not supported under MS-DOS"); | |
2193 | #endif | |
2194 | argbuf[i] = 0; /* termination of command args. */ | |
2195 | commands[n_commands].prog = argbuf[i + 1]; | |
2196 | commands[n_commands].argv = &argbuf[i + 1]; | |
48ff801b | 2197 | string = find_a_file (&exec_prefixes, commands[n_commands].prog, X_OK); |
ed1f651b RS |
2198 | if (string) |
2199 | commands[n_commands].argv[0] = string; | |
2200 | n_commands++; | |
2201 | } | |
2202 | ||
2203 | argbuf[argbuf_index] = 0; | |
2204 | ||
2205 | /* If -v, print what we are about to do, and maybe query. */ | |
2206 | ||
b3865ca9 | 2207 | if (verbose_flag) |
ed1f651b RS |
2208 | { |
2209 | /* Print each piped command as a separate line. */ | |
2210 | for (i = 0; i < n_commands ; i++) | |
2211 | { | |
2212 | char **j; | |
2213 | ||
2214 | for (j = commands[i].argv; *j; j++) | |
2215 | fprintf (stderr, " %s", *j); | |
2216 | ||
2217 | /* Print a pipe symbol after all but the last command. */ | |
2218 | if (i + 1 != n_commands) | |
2219 | fprintf (stderr, " |"); | |
2220 | fprintf (stderr, "\n"); | |
2221 | } | |
2222 | fflush (stderr); | |
2223 | #ifdef DEBUG | |
2224 | fprintf (stderr, "\nGo ahead? (y or n) "); | |
2225 | fflush (stderr); | |
2226 | i = getchar (); | |
2227 | if (i != '\n') | |
2228 | while (getchar () != '\n') ; | |
2229 | if (i != 'y' && i != 'Y') | |
2230 | return 0; | |
2231 | #endif /* DEBUG */ | |
2232 | } | |
2233 | ||
2234 | /* Run each piped subprocess. */ | |
2235 | ||
2236 | last_pipe_input = STDIN_FILE_NO; | |
2237 | for (i = 0; i < n_commands; i++) | |
2238 | { | |
2239 | char *string = commands[i].argv[0]; | |
2240 | ||
14be024e | 2241 | commands[i].pid = pexecute (string != commands[i].prog, |
ed1f651b RS |
2242 | string, commands[i].argv, |
2243 | i + 1 < n_commands); | |
2244 | ||
2245 | if (string != commands[i].prog) | |
2246 | free (string); | |
2247 | } | |
2248 | ||
2249 | execution_count++; | |
2250 | ||
2251 | /* Wait for all the subprocesses to finish. | |
2252 | We don't care what order they finish in; | |
34cd1bd7 RK |
2253 | we know that N_COMMANDS waits will get them all. |
2254 | Ignore subprocesses that we don't know about, | |
2255 | since they can be spawned by the process that exec'ed us. */ | |
ed1f651b RS |
2256 | |
2257 | { | |
2258 | int ret_code = 0; | |
2259 | ||
34cd1bd7 | 2260 | for (i = 0; i < n_commands; ) |
ed1f651b | 2261 | { |
34cd1bd7 | 2262 | int j; |
ed1f651b RS |
2263 | int status; |
2264 | int pid; | |
ed1f651b RS |
2265 | |
2266 | #ifdef __MSDOS__ | |
2267 | status = pid = commands[i].pid; | |
48ff801b | 2268 | #else |
e9990579 | 2269 | #ifdef _WIN32 |
48ff801b | 2270 | pid = cwait (&status, commands[i].pid, WAIT_CHILD); |
ed1f651b RS |
2271 | #else |
2272 | pid = wait (&status); | |
48ff801b | 2273 | #endif |
ed1f651b RS |
2274 | #endif |
2275 | if (pid < 0) | |
2276 | abort (); | |
2277 | ||
34cd1bd7 RK |
2278 | for (j = 0; j < n_commands; j++) |
2279 | if (commands[j].pid == pid) | |
2280 | { | |
2281 | i++; | |
2282 | if (status != 0) | |
2283 | { | |
2284 | if (WIFSIGNALED (status)) | |
2285 | { | |
2286 | fatal ("Internal compiler error: program %s got fatal signal %d", | |
2287 | commands[j].prog, WTERMSIG (status)); | |
2288 | signal_count++; | |
2289 | ret_code = -1; | |
2290 | } | |
2291 | else if (WIFEXITED (status) | |
2292 | && WEXITSTATUS (status) >= MIN_FATAL_STATUS) | |
2293 | ret_code = -1; | |
2294 | } | |
2295 | break; | |
2296 | } | |
ed1f651b RS |
2297 | } |
2298 | return ret_code; | |
2299 | } | |
2300 | } | |
2301 | \f | |
2302 | /* Find all the switches given to us | |
2303 | and make a vector describing them. | |
2304 | The elements of the vector are strings, one per switch given. | |
2305 | If a switch uses following arguments, then the `part1' field | |
2306 | is the switch itself and the `args' field | |
2307 | is a null-terminated vector containing the following arguments. | |
f5b0eb4e RK |
2308 | The `live_cond' field is 1 if the switch is true in a conditional spec, |
2309 | -1 if false (overridden by a later switch), and is initialized to zero. | |
ed1f651b RS |
2310 | The `valid' field is nonzero if any spec has looked at this switch; |
2311 | if it remains zero at the end of the run, it must be meaningless. */ | |
2312 | ||
2313 | struct switchstr | |
2314 | { | |
2315 | char *part1; | |
2316 | char **args; | |
f5b0eb4e | 2317 | int live_cond; |
ed1f651b RS |
2318 | int valid; |
2319 | }; | |
2320 | ||
2321 | static struct switchstr *switches; | |
2322 | ||
2323 | static int n_switches; | |
2324 | ||
2325 | struct infile | |
2326 | { | |
2327 | char *name; | |
2328 | char *language; | |
2329 | }; | |
2330 | ||
2331 | /* Also a vector of input files specified. */ | |
2332 | ||
2333 | static struct infile *infiles; | |
2334 | ||
2335 | static int n_infiles; | |
2336 | ||
2337 | /* And a vector of corresponding output files is made up later. */ | |
2338 | ||
2339 | static char **outfiles; | |
2340 | ||
5d7bb90c RK |
2341 | /* Used to track if none of the -B paths are used. */ |
2342 | static int warn_B; | |
2343 | ||
2344 | /* Used to track if standard path isn't used and -b or -V is specified. */ | |
2345 | static int warn_std; | |
2346 | ||
2347 | /* Gives value to pass as "warn" to add_prefix for standard prefixes. */ | |
2348 | static int *warn_std_ptr = NULL_PTR; | |
2349 | ||
ed1f651b RS |
2350 | /* Create the vector `switches' and its contents. |
2351 | Store its length in `n_switches'. */ | |
2352 | ||
2353 | static void | |
2354 | process_command (argc, argv) | |
2355 | int argc; | |
2356 | char **argv; | |
2357 | { | |
2358 | register int i; | |
2359 | char *temp; | |
2360 | char *spec_lang = 0; | |
2361 | int last_language_n_infiles; | |
f2cf3e1e RK |
2362 | int have_c = 0; |
2363 | int have_o = 0; | |
ed1f651b | 2364 | |
8eebb258 RS |
2365 | gcc_exec_prefix = getenv ("GCC_EXEC_PREFIX"); |
2366 | ||
ed1f651b RS |
2367 | n_switches = 0; |
2368 | n_infiles = 0; | |
2484b6d2 | 2369 | |
53117a2f RK |
2370 | /* Figure compiler version from version string. */ |
2371 | ||
2372 | compiler_version = save_string (version_string, strlen (version_string)); | |
2373 | for (temp = compiler_version; *temp; ++temp) | |
2374 | { | |
2375 | if (*temp == ' ') | |
2376 | { | |
2377 | *temp = '\0'; | |
2378 | break; | |
2379 | } | |
2380 | } | |
ed1f651b RS |
2381 | |
2382 | /* Set up the default search paths. */ | |
2383 | ||
8eebb258 | 2384 | if (gcc_exec_prefix) |
ed1f651b | 2385 | { |
48ff801b RK |
2386 | add_prefix (&exec_prefixes, gcc_exec_prefix, 0, 0, NULL_PTR); |
2387 | add_prefix (&startfile_prefixes, gcc_exec_prefix, 0, 0, NULL_PTR); | |
ed1f651b RS |
2388 | } |
2389 | ||
2390 | /* COMPILER_PATH and LIBRARY_PATH have values | |
2391 | that are lists of directory names with colons. */ | |
2392 | ||
2393 | temp = getenv ("COMPILER_PATH"); | |
2394 | if (temp) | |
2395 | { | |
2396 | char *startp, *endp; | |
2397 | char *nstore = (char *) alloca (strlen (temp) + 3); | |
2398 | ||
2399 | startp = endp = temp; | |
2400 | while (1) | |
2401 | { | |
f6ec7e54 | 2402 | if (*endp == PATH_SEPARATOR || *endp == 0) |
ed1f651b RS |
2403 | { |
2404 | strncpy (nstore, startp, endp-startp); | |
2405 | if (endp == startp) | |
48ff801b RK |
2406 | strcpy (nstore, concat (".", dir_separator_str)); |
2407 | else if (endp[-1] != '/' && endp[-1] != DIR_SEPARATOR) | |
ed1f651b | 2408 | { |
48ff801b | 2409 | nstore[endp-startp] = DIR_SEPARATOR; |
ed1f651b RS |
2410 | nstore[endp-startp+1] = 0; |
2411 | } | |
2412 | else | |
2413 | nstore[endp-startp] = 0; | |
48ff801b | 2414 | add_prefix (&exec_prefixes, nstore, 0, 0, NULL_PTR); |
ed1f651b RS |
2415 | if (*endp == 0) |
2416 | break; | |
2417 | endp = startp = endp + 1; | |
2418 | } | |
2419 | else | |
2420 | endp++; | |
2421 | } | |
2422 | } | |
2423 | ||
2424 | temp = getenv ("LIBRARY_PATH"); | |
9200adce | 2425 | if (temp && ! cross_compile) |
ed1f651b RS |
2426 | { |
2427 | char *startp, *endp; | |
2428 | char *nstore = (char *) alloca (strlen (temp) + 3); | |
2429 | ||
2430 | startp = endp = temp; | |
2431 | while (1) | |
2432 | { | |
f6ec7e54 | 2433 | if (*endp == PATH_SEPARATOR || *endp == 0) |
ed1f651b RS |
2434 | { |
2435 | strncpy (nstore, startp, endp-startp); | |
2436 | if (endp == startp) | |
48ff801b RK |
2437 | strcpy (nstore, concat (".", dir_separator_str)); |
2438 | else if (endp[-1] != '/' && endp[-1] != DIR_SEPARATOR) | |
ed1f651b | 2439 | { |
48ff801b | 2440 | nstore[endp-startp] = DIR_SEPARATOR; |
ed1f651b RS |
2441 | nstore[endp-startp+1] = 0; |
2442 | } | |
2443 | else | |
2444 | nstore[endp-startp] = 0; | |
48ff801b | 2445 | add_prefix (&startfile_prefixes, nstore, 0, 0, NULL_PTR); |
ed1f651b RS |
2446 | if (*endp == 0) |
2447 | break; | |
2448 | endp = startp = endp + 1; | |
2449 | } | |
2450 | else | |
2451 | endp++; | |
2452 | } | |
2453 | } | |
2454 | ||
2455 | /* Use LPATH like LIBRARY_PATH (for the CMU build program). */ | |
2456 | temp = getenv ("LPATH"); | |
9200adce | 2457 | if (temp && ! cross_compile) |
ed1f651b RS |
2458 | { |
2459 | char *startp, *endp; | |
2460 | char *nstore = (char *) alloca (strlen (temp) + 3); | |
2461 | ||
2462 | startp = endp = temp; | |
2463 | while (1) | |
2464 | { | |
f6ec7e54 | 2465 | if (*endp == PATH_SEPARATOR || *endp == 0) |
ed1f651b RS |
2466 | { |
2467 | strncpy (nstore, startp, endp-startp); | |
2468 | if (endp == startp) | |
48ff801b RK |
2469 | strcpy (nstore, concat (".", dir_separator_str)); |
2470 | else if (endp[-1] != '/' && endp[-1] != DIR_SEPARATOR) | |
ed1f651b | 2471 | { |
48ff801b | 2472 | nstore[endp-startp] = DIR_SEPARATOR; |
ed1f651b RS |
2473 | nstore[endp-startp+1] = 0; |
2474 | } | |
2475 | else | |
2476 | nstore[endp-startp] = 0; | |
48ff801b | 2477 | add_prefix (&startfile_prefixes, nstore, 0, 0, NULL_PTR); |
ed1f651b RS |
2478 | if (*endp == 0) |
2479 | break; | |
2480 | endp = startp = endp + 1; | |
2481 | } | |
2482 | else | |
2483 | endp++; | |
2484 | } | |
2485 | } | |
2486 | ||
f2faf549 RS |
2487 | /* Convert new-style -- options to old-style. */ |
2488 | translate_options (&argc, &argv); | |
2489 | ||
ed1f651b RS |
2490 | /* Scan argv twice. Here, the first time, just count how many switches |
2491 | there will be in their vector, and how many input files in theirs. | |
2492 | Here we also parse the switches that cc itself uses (e.g. -v). */ | |
2493 | ||
2494 | for (i = 1; i < argc; i++) | |
2495 | { | |
2496 | if (! strcmp (argv[i], "-dumpspecs")) | |
2497 | { | |
2498 | printf ("*asm:\n%s\n\n", asm_spec); | |
2499 | printf ("*asm_final:\n%s\n\n", asm_final_spec); | |
2500 | printf ("*cpp:\n%s\n\n", cpp_spec); | |
2501 | printf ("*cc1:\n%s\n\n", cc1_spec); | |
2502 | printf ("*cc1plus:\n%s\n\n", cc1plus_spec); | |
2503 | printf ("*endfile:\n%s\n\n", endfile_spec); | |
2504 | printf ("*link:\n%s\n\n", link_spec); | |
2505 | printf ("*lib:\n%s\n\n", lib_spec); | |
68d69835 | 2506 | printf ("*libgcc:\n%s\n\n", libgcc_spec); |
ed1f651b RS |
2507 | printf ("*startfile:\n%s\n\n", startfile_spec); |
2508 | printf ("*switches_need_spaces:\n%s\n\n", switches_need_spaces); | |
2509 | printf ("*signed_char:\n%s\n\n", signed_char_spec); | |
2510 | printf ("*predefines:\n%s\n\n", cpp_predefines); | |
004fd4d5 | 2511 | printf ("*cross_compile:\n%d\n\n", cross_compile); |
60103a34 | 2512 | printf ("*multilib:\n%s\n\n", multilib_select); |
ed1f651b RS |
2513 | |
2514 | exit (0); | |
2515 | } | |
2516 | else if (! strcmp (argv[i], "-dumpversion")) | |
2517 | { | |
2518 | printf ("%s\n", version_string); | |
2519 | exit (0); | |
2520 | } | |
9b783fc9 RK |
2521 | else if (! strcmp (argv[i], "-dumpmachine")) |
2522 | { | |
2523 | printf ("%s\n", spec_machine); | |
2524 | exit (0); | |
2525 | } | |
2628b9d3 DE |
2526 | else if (! strcmp (argv[i], "-print-search-dirs")) |
2527 | print_search_dirs = 1; | |
2dcb563f | 2528 | else if (! strcmp (argv[i], "-print-libgcc-file-name")) |
2628b9d3 | 2529 | print_file_name = "libgcc.a"; |
6a9e290e | 2530 | else if (! strncmp (argv[i], "-print-file-name=", 17)) |
2628b9d3 | 2531 | print_file_name = argv[i] + 17; |
6a9e290e | 2532 | else if (! strncmp (argv[i], "-print-prog-name=", 17)) |
2628b9d3 | 2533 | print_prog_name = argv[i] + 17; |
60103a34 DE |
2534 | else if (! strcmp (argv[i], "-print-multi-lib")) |
2535 | print_multi_lib = 1; | |
2536 | else if (! strcmp (argv[i], "-print-multi-directory")) | |
2537 | print_multi_directory = 1; | |
c9ebacb8 RS |
2538 | else if (! strncmp (argv[i], "-Wa,", 4)) |
2539 | { | |
2540 | int prev, j; | |
2541 | /* Pass the rest of this option to the assembler. */ | |
2542 | ||
2543 | n_assembler_options++; | |
2544 | if (!assembler_options) | |
2545 | assembler_options | |
2546 | = (char **) xmalloc (n_assembler_options * sizeof (char **)); | |
2547 | else | |
2548 | assembler_options | |
2549 | = (char **) xrealloc (assembler_options, | |
2550 | n_assembler_options * sizeof (char **)); | |
2551 | ||
2552 | /* Split the argument at commas. */ | |
2553 | prev = 4; | |
2554 | for (j = 4; argv[i][j]; j++) | |
2555 | if (argv[i][j] == ',') | |
2556 | { | |
2557 | assembler_options[n_assembler_options - 1] | |
2558 | = save_string (argv[i] + prev, j - prev); | |
2559 | n_assembler_options++; | |
2560 | assembler_options | |
2561 | = (char **) xrealloc (assembler_options, | |
2562 | n_assembler_options * sizeof (char **)); | |
2563 | prev = j + 1; | |
2564 | } | |
2565 | /* Record the part after the last comma. */ | |
2566 | assembler_options[n_assembler_options - 1] = argv[i] + prev; | |
2567 | } | |
57cb9b60 JW |
2568 | else if (! strncmp (argv[i], "-Wp,", 4)) |
2569 | { | |
2570 | int prev, j; | |
2571 | /* Pass the rest of this option to the preprocessor. */ | |
2572 | ||
2573 | n_preprocessor_options++; | |
2574 | if (!preprocessor_options) | |
2575 | preprocessor_options | |
2576 | = (char **) xmalloc (n_preprocessor_options * sizeof (char **)); | |
2577 | else | |
2578 | preprocessor_options | |
2579 | = (char **) xrealloc (preprocessor_options, | |
2580 | n_preprocessor_options * sizeof (char **)); | |
2581 | ||
2582 | /* Split the argument at commas. */ | |
2583 | prev = 4; | |
2584 | for (j = 4; argv[i][j]; j++) | |
2585 | if (argv[i][j] == ',') | |
2586 | { | |
2587 | preprocessor_options[n_preprocessor_options - 1] | |
2588 | = save_string (argv[i] + prev, j - prev); | |
2589 | n_preprocessor_options++; | |
2590 | preprocessor_options | |
2591 | = (char **) xrealloc (preprocessor_options, | |
2592 | n_preprocessor_options * sizeof (char **)); | |
2593 | prev = j + 1; | |
2594 | } | |
2595 | /* Record the part after the last comma. */ | |
2596 | preprocessor_options[n_preprocessor_options - 1] = argv[i] + prev; | |
2597 | } | |
301a5c0b | 2598 | else if (argv[i][0] == '+' && argv[i][1] == 'e') |
f2faf549 | 2599 | /* The +e options to the C++ front-end. */ |
301a5c0b | 2600 | n_switches++; |
368dfd3a | 2601 | else if (strncmp (argv[i], "-Wl,", 4) == 0) |
9b226f90 TG |
2602 | { |
2603 | int j; | |
2604 | /* Split the argument at commas. */ | |
2605 | for (j = 3; argv[i][j]; j++) | |
2606 | n_infiles += (argv[i][j] == ','); | |
2607 | } | |
368dfd3a TG |
2608 | else if (strcmp (argv[i], "-Xlinker") == 0) |
2609 | { | |
2610 | if (i + 1 == argc) | |
2611 | fatal ("argument to `-Xlinker' is missing"); | |
2612 | ||
2613 | n_infiles++; | |
2614 | i++; | |
2615 | } | |
2616 | else if (strncmp (argv[i], "-l", 2) == 0) | |
2617 | n_infiles++; | |
2618 | else if (argv[i][0] == '-' && argv[i][1] != 0) | |
ed1f651b RS |
2619 | { |
2620 | register char *p = &argv[i][1]; | |
2621 | register int c = *p; | |
2622 | ||
2623 | switch (c) | |
2624 | { | |
2625 | case 'b': | |
2626 | if (p[1] == 0 && i + 1 == argc) | |
2627 | fatal ("argument to `-b' is missing"); | |
2628 | if (p[1] == 0) | |
2629 | spec_machine = argv[++i]; | |
2630 | else | |
2631 | spec_machine = p + 1; | |
5d7bb90c RK |
2632 | |
2633 | warn_std_ptr = &warn_std; | |
ed1f651b RS |
2634 | break; |
2635 | ||
2636 | case 'B': | |
2637 | { | |
2638 | int *temp = (int *) xmalloc (sizeof (int)); | |
2639 | char *value; | |
2640 | if (p[1] == 0 && i + 1 == argc) | |
2641 | fatal ("argument to `-B' is missing"); | |
2642 | if (p[1] == 0) | |
2643 | value = argv[++i]; | |
2644 | else | |
2645 | value = p + 1; | |
5d7bb90c RK |
2646 | add_prefix (&exec_prefixes, value, 1, 0, &warn_B); |
2647 | add_prefix (&startfile_prefixes, value, 1, 0, &warn_B); | |
b5eda776 | 2648 | add_prefix (&include_prefixes, concat (value, "include"), |
5d7bb90c | 2649 | 1, 0, NULL_PTR); |
6b0639bc | 2650 | |
a78a8d58 | 2651 | /* As a kludge, if the arg is "[foo/]stageN/", just add |
e21c472a | 2652 | "[foo/]include" to the include prefix. */ |
ea694f2d DE |
2653 | { |
2654 | int len = strlen (value); | |
48ff801b RK |
2655 | if ((len == 7 |
2656 | || (len > 7 | |
2657 | && (value[len - 8] == '/' | |
2658 | || value[len - 8] == DIR_SEPARATOR))) | |
a78a8d58 DE |
2659 | && strncmp (value + len - 7, "stage", 5) == 0 |
2660 | && isdigit (value[len - 2]) | |
48ff801b RK |
2661 | && (value[len - 1] == '/' |
2662 | || value[len - 1] == DIR_SEPARATOR)) | |
e21c472a JW |
2663 | { |
2664 | if (len == 7) | |
5d7bb90c RK |
2665 | add_prefix (&include_prefixes, "include", |
2666 | 1, 0, NULL_PTR); | |
e21c472a JW |
2667 | else |
2668 | { | |
2669 | char *string = xmalloc (len + 1); | |
2670 | strncpy (string, value, len-7); | |
2671 | strcat (string, "include"); | |
5d7bb90c RK |
2672 | add_prefix (&include_prefixes, string, |
2673 | 1, 0, NULL_PTR); | |
e21c472a JW |
2674 | } |
2675 | } | |
ea694f2d | 2676 | } |
ed1f651b RS |
2677 | } |
2678 | break; | |
2679 | ||
2680 | case 'v': /* Print our subcommands and print versions. */ | |
ed1f651b | 2681 | n_switches++; |
8436fe35 RS |
2682 | /* If they do anything other than exactly `-v', don't set |
2683 | verbose_flag; rather, continue on to give the error. */ | |
2684 | if (p[1] != 0) | |
2685 | break; | |
2686 | verbose_flag++; | |
ed1f651b RS |
2687 | break; |
2688 | ||
2689 | case 'V': | |
2690 | if (p[1] == 0 && i + 1 == argc) | |
2691 | fatal ("argument to `-V' is missing"); | |
2692 | if (p[1] == 0) | |
2693 | spec_version = argv[++i]; | |
2694 | else | |
2695 | spec_version = p + 1; | |
53117a2f | 2696 | compiler_version = spec_version; |
5d7bb90c | 2697 | warn_std_ptr = &warn_std; |
ed1f651b RS |
2698 | break; |
2699 | ||
2700 | case 's': | |
2701 | if (!strcmp (p, "save-temps")) | |
2702 | { | |
2703 | save_temps_flag = 1; | |
8eebb258 | 2704 | n_switches++; |
ed1f651b RS |
2705 | break; |
2706 | } | |
5fc08cad | 2707 | goto normal_switch; |
f2cf3e1e RK |
2708 | |
2709 | case 'c': | |
2710 | have_c = 1; | |
2711 | n_switches++; | |
2712 | break; | |
2713 | ||
2714 | case 'o': | |
2715 | have_o = 1; | |
5fc08cad | 2716 | goto normal_switch; |
f2cf3e1e | 2717 | |
ed1f651b | 2718 | default: |
5fc08cad | 2719 | normal_switch: |
ed1f651b RS |
2720 | n_switches++; |
2721 | ||
2722 | if (SWITCH_TAKES_ARG (c) > (p[1] != 0)) | |
2723 | i += SWITCH_TAKES_ARG (c) - (p[1] != 0); | |
2724 | else if (WORD_SWITCH_TAKES_ARG (p)) | |
2725 | i += WORD_SWITCH_TAKES_ARG (p); | |
2726 | } | |
2727 | } | |
2728 | else | |
2729 | n_infiles++; | |
2730 | } | |
2731 | ||
f2cf3e1e RK |
2732 | if (have_c && have_o && n_infiles != 1) |
2733 | fatal ("cannot specify -o with -c and multiple compilations"); | |
2734 | ||
ed1f651b RS |
2735 | /* Set up the search paths before we go looking for config files. */ |
2736 | ||
2737 | /* These come before the md prefixes so that we will find gcc's subcommands | |
2738 | (such as cpp) rather than those of the host system. */ | |
ae04227b CH |
2739 | /* Use 2 as fourth arg meaning try just the machine as a suffix, |
2740 | as well as trying the machine and the version. */ | |
48ff801b | 2741 | #ifndef OS2 |
5d7bb90c RK |
2742 | add_prefix (&exec_prefixes, standard_exec_prefix, 0, 2, warn_std_ptr); |
2743 | add_prefix (&exec_prefixes, standard_exec_prefix_1, 0, 2, warn_std_ptr); | |
48ff801b | 2744 | #endif |
ed1f651b | 2745 | |
5d7bb90c RK |
2746 | add_prefix (&startfile_prefixes, standard_exec_prefix, 0, 1, warn_std_ptr); |
2747 | add_prefix (&startfile_prefixes, standard_exec_prefix_1, 0, 1, warn_std_ptr); | |
ed1f651b | 2748 | |
48ff801b RK |
2749 | tooldir_prefix = concat3 (tooldir_base_prefix, spec_machine, |
2750 | dir_separator_str); | |
c648ab8a | 2751 | |
48ff801b | 2752 | /* If tooldir is relative, base it on exec_prefixes. A relative |
c648ab8a RS |
2753 | tooldir lets us move the installed tree as a unit. |
2754 | ||
2755 | If GCC_EXEC_PREFIX is defined, then we want to add two relative | |
2756 | directories, so that we can search both the user specified directory | |
2757 | and the standard place. */ | |
2758 | ||
48ff801b | 2759 | if (*tooldir_prefix != '/' && *tooldir_prefix != DIR_SEPARATOR) |
c648ab8a RS |
2760 | { |
2761 | if (gcc_exec_prefix) | |
2762 | { | |
2763 | char *gcc_exec_tooldir_prefix | |
48ff801b RK |
2764 | = concat6 (gcc_exec_prefix, spec_machine, dir_separator_str, |
2765 | spec_version, dir_separator_str, tooldir_prefix); | |
c648ab8a | 2766 | |
48ff801b RK |
2767 | add_prefix (&exec_prefixes, |
2768 | concat3 (gcc_exec_tooldir_prefix, "bin", | |
2769 | dir_separator_str), | |
c648ab8a | 2770 | 0, 0, NULL_PTR); |
48ff801b RK |
2771 | add_prefix (&startfile_prefixes, |
2772 | concat3 (gcc_exec_tooldir_prefix, "lib", | |
2773 | dir_separator_str), | |
c648ab8a RS |
2774 | 0, 0, NULL_PTR); |
2775 | } | |
2776 | ||
48ff801b RK |
2777 | tooldir_prefix = concat6 (standard_exec_prefix, spec_machine, |
2778 | dir_separator_str, spec_version, | |
2779 | dir_separator_str, tooldir_prefix); | |
c648ab8a RS |
2780 | } |
2781 | ||
48ff801b RK |
2782 | add_prefix (&exec_prefixes, |
2783 | concat3 (tooldir_prefix, "bin", dir_separator_str), | |
f18fd956 | 2784 | 0, 0, NULL_PTR); |
48ff801b RK |
2785 | add_prefix (&startfile_prefixes, |
2786 | concat3 (tooldir_prefix, "lib", dir_separator_str), | |
f18fd956 RS |
2787 | 0, 0, NULL_PTR); |
2788 | ||
004fd4d5 RS |
2789 | /* More prefixes are enabled in main, after we read the specs file |
2790 | and determine whether this is cross-compilation or not. */ | |
ed1f651b | 2791 | |
ed1f651b RS |
2792 | |
2793 | /* Then create the space for the vectors and scan again. */ | |
2794 | ||
2795 | switches = ((struct switchstr *) | |
2796 | xmalloc ((n_switches + 1) * sizeof (struct switchstr))); | |
2797 | infiles = (struct infile *) xmalloc ((n_infiles + 1) * sizeof (struct infile)); | |
2798 | n_switches = 0; | |
2799 | n_infiles = 0; | |
2800 | last_language_n_infiles = -1; | |
2801 | ||
2802 | /* This, time, copy the text of each switch and store a pointer | |
2803 | to the copy in the vector of switches. | |
2804 | Store all the infiles in their vector. */ | |
2805 | ||
2806 | for (i = 1; i < argc; i++) | |
2807 | { | |
2ef32c88 | 2808 | /* Just skip the switches that were handled by the preceding loop. */ |
368dfd3a | 2809 | if (! strncmp (argv[i], "-Wa,", 4)) |
2ef32c88 | 2810 | ; |
57cb9b60 JW |
2811 | else if (! strncmp (argv[i], "-Wp,", 4)) |
2812 | ; | |
2628b9d3 DE |
2813 | else if (! strcmp (argv[i], "-print-search-dirs")) |
2814 | ; | |
2dcb563f | 2815 | else if (! strcmp (argv[i], "-print-libgcc-file-name")) |
2ef32c88 | 2816 | ; |
6a9e290e RK |
2817 | else if (! strncmp (argv[i], "-print-file-name=", 17)) |
2818 | ; | |
2819 | else if (! strncmp (argv[i], "-print-prog-name=", 17)) | |
2820 | ; | |
60103a34 DE |
2821 | else if (! strcmp (argv[i], "-print-multi-lib")) |
2822 | ; | |
2823 | else if (! strcmp (argv[i], "-print-multi-directory")) | |
2824 | ; | |
cc6fc442 RS |
2825 | else if (argv[i][0] == '+' && argv[i][1] == 'e') |
2826 | { | |
2827 | /* Compensate for the +e options to the C++ front-end; | |
a1c37766 | 2828 | they're there simply for cfront call-compatibility. We do |
cc6fc442 RS |
2829 | some magic in default_compilers to pass them down properly. |
2830 | Note we deliberately start at the `+' here, to avoid passing | |
2831 | -e0 or -e1 down into the linker. */ | |
2832 | switches[n_switches].part1 = &argv[i][0]; | |
2833 | switches[n_switches].args = 0; | |
f5b0eb4e | 2834 | switches[n_switches].live_cond = 0; |
cc6fc442 RS |
2835 | switches[n_switches].valid = 0; |
2836 | n_switches++; | |
2837 | } | |
368dfd3a TG |
2838 | else if (strncmp (argv[i], "-Wl,", 4) == 0) |
2839 | { | |
9b226f90 TG |
2840 | int prev, j; |
2841 | /* Split the argument at commas. */ | |
2842 | prev = 4; | |
2843 | for (j = 4; argv[i][j]; j++) | |
2844 | if (argv[i][j] == ',') | |
2845 | { | |
34dd3838 | 2846 | infiles[n_infiles].language = 0; |
9b226f90 TG |
2847 | infiles[n_infiles++].name |
2848 | = save_string (argv[i] + prev, j - prev); | |
2849 | prev = j + 1; | |
2850 | } | |
2851 | /* Record the part after the last comma. */ | |
34dd3838 | 2852 | infiles[n_infiles].language = 0; |
9b226f90 | 2853 | infiles[n_infiles++].name = argv[i] + prev; |
368dfd3a TG |
2854 | } |
2855 | else if (strcmp (argv[i], "-Xlinker") == 0) | |
2856 | { | |
34dd3838 | 2857 | infiles[n_infiles].language = 0; |
368dfd3a TG |
2858 | infiles[n_infiles++].name = argv[++i]; |
2859 | } | |
2860 | else if (strncmp (argv[i], "-l", 2) == 0) | |
2861 | { | |
34dd3838 | 2862 | infiles[n_infiles].language = 0; |
368dfd3a TG |
2863 | infiles[n_infiles++].name = argv[i]; |
2864 | } | |
2865 | else if (argv[i][0] == '-' && argv[i][1] != 0) | |
ed1f651b RS |
2866 | { |
2867 | register char *p = &argv[i][1]; | |
2868 | register int c = *p; | |
2869 | ||
2870 | if (c == 'B' || c == 'b' || c == 'V') | |
2871 | { | |
2872 | /* Skip a separate arg, if any. */ | |
2873 | if (p[1] == 0) | |
2874 | i++; | |
2875 | continue; | |
2876 | } | |
2877 | if (c == 'x') | |
2878 | { | |
2879 | if (p[1] == 0 && i + 1 == argc) | |
2880 | fatal ("argument to `-x' is missing"); | |
2881 | if (p[1] == 0) | |
2882 | spec_lang = argv[++i]; | |
2883 | else | |
2884 | spec_lang = p + 1; | |
2885 | if (! strcmp (spec_lang, "none")) | |
34dd3838 RK |
2886 | /* Suppress the warning if -xnone comes after the last input |
2887 | file, because alternate command interfaces like g++ might | |
2888 | find it useful to place -xnone after each input file. */ | |
ed1f651b RS |
2889 | spec_lang = 0; |
2890 | else | |
2891 | last_language_n_infiles = n_infiles; | |
2892 | continue; | |
2893 | } | |
2894 | switches[n_switches].part1 = p; | |
2895 | /* Deal with option arguments in separate argv elements. */ | |
2896 | if ((SWITCH_TAKES_ARG (c) > (p[1] != 0)) | |
14553b75 RS |
2897 | || WORD_SWITCH_TAKES_ARG (p)) |
2898 | { | |
2899 | int j = 0; | |
2900 | int n_args = WORD_SWITCH_TAKES_ARG (p); | |
ed1f651b | 2901 | |
14553b75 RS |
2902 | if (n_args == 0) |
2903 | { | |
2904 | /* Count only the option arguments in separate argv elements. */ | |
2905 | n_args = SWITCH_TAKES_ARG (c) - (p[1] != 0); | |
2906 | } | |
2907 | if (i + n_args >= argc) | |
2908 | fatal ("argument to `-%s' is missing", p); | |
2909 | switches[n_switches].args | |
2910 | = (char **) xmalloc ((n_args + 1) * sizeof (char *)); | |
2911 | while (j < n_args) | |
2912 | switches[n_switches].args[j++] = argv[++i]; | |
2913 | /* Null-terminate the vector. */ | |
2914 | switches[n_switches].args[j] = 0; | |
ed1f651b | 2915 | } |
14553b75 RS |
2916 | else if (*switches_need_spaces != 0 && (c == 'o' || c == 'L')) |
2917 | { | |
2918 | /* On some systems, ld cannot handle -o or -L without space. | |
2919 | So split the -o or -L from its argument. */ | |
2920 | switches[n_switches].part1 = (c == 'o' ? "o" : "L"); | |
2921 | switches[n_switches].args = (char **) xmalloc (2 * sizeof (char *)); | |
2922 | switches[n_switches].args[0] = xmalloc (strlen (p)); | |
2923 | strcpy (switches[n_switches].args[0], &p[1]); | |
2924 | switches[n_switches].args[1] = 0; | |
2925 | } | |
2926 | else | |
ed1f651b | 2927 | switches[n_switches].args = 0; |
f5b0eb4e RK |
2928 | |
2929 | switches[n_switches].live_cond = 0; | |
ed1f651b RS |
2930 | switches[n_switches].valid = 0; |
2931 | /* This is always valid, since gcc.c itself understands it. */ | |
2932 | if (!strcmp (p, "save-temps")) | |
2933 | switches[n_switches].valid = 1; | |
2934 | n_switches++; | |
2935 | } | |
2936 | else | |
2937 | { | |
f70165f6 RK |
2938 | #ifdef HAVE_OBJECT_SUFFIX |
2939 | /* Convert x.o to x.obj if OBJECT_SUFFIX is ".obj". */ | |
2940 | if (strlen (argv[i]) > 2 | |
2941 | && argv[i][strlen (argv[i]) - 2] == '.' | |
2942 | && argv[i][strlen (argv[i]) - 1] == 'o') | |
2943 | { | |
2944 | int j; | |
2945 | ||
2946 | for (j = 0; j < strlen (argv[i]) - 2; j++) | |
2947 | obstack_1grow (&obstack, argv[i][j]); | |
2948 | ||
2949 | obstack_grow (&obstack, OBJECT_SUFFIX, strlen (OBJECT_SUFFIX)); | |
2950 | obstack_1grow (&obstack, 0); | |
2951 | argv[i] = obstack_finish (&obstack); | |
2952 | } | |
2953 | #endif | |
2954 | ||
368dfd3a | 2955 | if (strcmp (argv[i], "-") != 0 && access (argv[i], R_OK) < 0) |
48fb792a BK |
2956 | { |
2957 | perror_with_name (argv[i]); | |
2958 | error_count++; | |
2959 | } | |
2960 | else | |
2961 | { | |
2962 | infiles[n_infiles].language = spec_lang; | |
2963 | infiles[n_infiles++].name = argv[i]; | |
2964 | } | |
ed1f651b RS |
2965 | } |
2966 | } | |
2967 | ||
fa0d5369 | 2968 | if (n_infiles == last_language_n_infiles && spec_lang != 0) |
ed1f651b RS |
2969 | error ("Warning: `-x %s' after last input file has no effect", spec_lang); |
2970 | ||
2971 | switches[n_switches].part1 = 0; | |
2972 | infiles[n_infiles].name = 0; | |
2973 | } | |
2974 | \f | |
2975 | /* Process a spec string, accumulating and running commands. */ | |
2976 | ||
2977 | /* These variables describe the input file name. | |
2978 | input_file_number is the index on outfiles of this file, | |
2979 | so that the output file name can be stored for later use by %o. | |
2980 | input_basename is the start of the part of the input file | |
2981 | sans all directory names, and basename_length is the number | |
2982 | of characters starting there excluding the suffix .c or whatever. */ | |
2983 | ||
2984 | static char *input_filename; | |
2985 | static int input_file_number; | |
2986 | static int input_filename_length; | |
2987 | static int basename_length; | |
2988 | static char *input_basename; | |
2989 | static char *input_suffix; | |
2990 | ||
2991 | /* These are variables used within do_spec and do_spec_1. */ | |
2992 | ||
2993 | /* Nonzero if an arg has been started and not yet terminated | |
2994 | (with space, tab or newline). */ | |
2995 | static int arg_going; | |
2996 | ||
2997 | /* Nonzero means %d or %g has been seen; the next arg to be terminated | |
2998 | is a temporary file name. */ | |
2999 | static int delete_this_arg; | |
3000 | ||
3001 | /* Nonzero means %w has been seen; the next arg to be terminated | |
3002 | is the output file name of this compilation. */ | |
3003 | static int this_is_output_file; | |
3004 | ||
3005 | /* Nonzero means %s has been seen; the next arg to be terminated | |
3006 | is the name of a library file and we should try the standard | |
3007 | search dirs for it. */ | |
3008 | static int this_is_library_file; | |
3009 | ||
a99bf70c JW |
3010 | /* Nonzero means that the input of this command is coming from a pipe. */ |
3011 | static int input_from_pipe; | |
3012 | ||
ed1f651b RS |
3013 | /* Process the spec SPEC and run the commands specified therein. |
3014 | Returns 0 if the spec is successfully processed; -1 if failed. */ | |
3015 | ||
3016 | static int | |
3017 | do_spec (spec) | |
3018 | char *spec; | |
3019 | { | |
3020 | int value; | |
3021 | ||
3022 | clear_args (); | |
3023 | arg_going = 0; | |
3024 | delete_this_arg = 0; | |
3025 | this_is_output_file = 0; | |
3026 | this_is_library_file = 0; | |
a99bf70c | 3027 | input_from_pipe = 0; |
ed1f651b | 3028 | |
906c4e36 | 3029 | value = do_spec_1 (spec, 0, NULL_PTR); |
ed1f651b RS |
3030 | |
3031 | /* Force out any unfinished command. | |
3032 | If -pipe, this forces out the last command if it ended in `|'. */ | |
3033 | if (value == 0) | |
3034 | { | |
3035 | if (argbuf_index > 0 && !strcmp (argbuf[argbuf_index - 1], "|")) | |
3036 | argbuf_index--; | |
3037 | ||
3038 | if (argbuf_index > 0) | |
3039 | value = execute (); | |
3040 | } | |
3041 | ||
3042 | return value; | |
3043 | } | |
3044 | ||
3045 | /* Process the sub-spec SPEC as a portion of a larger spec. | |
3046 | This is like processing a whole spec except that we do | |
3047 | not initialize at the beginning and we do not supply a | |
3048 | newline by default at the end. | |
3049 | INSWITCH nonzero means don't process %-sequences in SPEC; | |
3050 | in this case, % is treated as an ordinary character. | |
3051 | This is used while substituting switches. | |
3052 | INSWITCH nonzero also causes SPC not to terminate an argument. | |
3053 | ||
3054 | Value is zero unless a line was finished | |
3055 | and the command on that line reported an error. */ | |
3056 | ||
3057 | static int | |
3058 | do_spec_1 (spec, inswitch, soft_matched_part) | |
3059 | char *spec; | |
3060 | int inswitch; | |
3061 | char *soft_matched_part; | |
3062 | { | |
3063 | register char *p = spec; | |
3064 | register int c; | |
3065 | int i; | |
3066 | char *string; | |
3279bba6 | 3067 | int value; |
ed1f651b RS |
3068 | |
3069 | while (c = *p++) | |
3070 | /* If substituting a switch, treat all chars like letters. | |
3071 | Otherwise, NL, SPC, TAB and % are special. */ | |
3072 | switch (inswitch ? 'a' : c) | |
3073 | { | |
3074 | case '\n': | |
3075 | /* End of line: finish any pending argument, | |
3076 | then run the pending command if one has been started. */ | |
3077 | if (arg_going) | |
3078 | { | |
3079 | obstack_1grow (&obstack, 0); | |
3080 | string = obstack_finish (&obstack); | |
3081 | if (this_is_library_file) | |
3082 | string = find_file (string); | |
3083 | store_arg (string, delete_this_arg, this_is_output_file); | |
3084 | if (this_is_output_file) | |
3085 | outfiles[input_file_number] = string; | |
3086 | } | |
3087 | arg_going = 0; | |
3088 | ||
3089 | if (argbuf_index > 0 && !strcmp (argbuf[argbuf_index - 1], "|")) | |
3090 | { | |
ed1f651b RS |
3091 | for (i = 0; i < n_switches; i++) |
3092 | if (!strcmp (switches[i].part1, "pipe")) | |
3093 | break; | |
3094 | ||
3095 | /* A `|' before the newline means use a pipe here, | |
3096 | but only if -pipe was specified. | |
3097 | Otherwise, execute now and don't pass the `|' as an arg. */ | |
3098 | if (i < n_switches) | |
3099 | { | |
a99bf70c | 3100 | input_from_pipe = 1; |
ed1f651b RS |
3101 | switches[i].valid = 1; |
3102 | break; | |
3103 | } | |
3104 | else | |
3105 | argbuf_index--; | |
3106 | } | |
3107 | ||
3108 | if (argbuf_index > 0) | |
3109 | { | |
3279bba6 | 3110 | value = execute (); |
ed1f651b RS |
3111 | if (value) |
3112 | return value; | |
3113 | } | |
3114 | /* Reinitialize for a new command, and for a new argument. */ | |
3115 | clear_args (); | |
3116 | arg_going = 0; | |
3117 | delete_this_arg = 0; | |
3118 | this_is_output_file = 0; | |
3119 | this_is_library_file = 0; | |
a99bf70c | 3120 | input_from_pipe = 0; |
ed1f651b RS |
3121 | break; |
3122 | ||
3123 | case '|': | |
3124 | /* End any pending argument. */ | |
3125 | if (arg_going) | |
3126 | { | |
3127 | obstack_1grow (&obstack, 0); | |
3128 | string = obstack_finish (&obstack); | |
3129 | if (this_is_library_file) | |
3130 | string = find_file (string); | |
3131 | store_arg (string, delete_this_arg, this_is_output_file); | |
3132 | if (this_is_output_file) | |
3133 | outfiles[input_file_number] = string; | |
3134 | } | |
3135 | ||
3136 | /* Use pipe */ | |
3137 | obstack_1grow (&obstack, c); | |
3138 | arg_going = 1; | |
3139 | break; | |
3140 | ||
3141 | case '\t': | |
3142 | case ' ': | |
3143 | /* Space or tab ends an argument if one is pending. */ | |
3144 | if (arg_going) | |
3145 | { | |
3146 | obstack_1grow (&obstack, 0); | |
3147 | string = obstack_finish (&obstack); | |
3148 | if (this_is_library_file) | |
3149 | string = find_file (string); | |
3150 | store_arg (string, delete_this_arg, this_is_output_file); | |
3151 | if (this_is_output_file) | |
3152 | outfiles[input_file_number] = string; | |
3153 | } | |
3154 | /* Reinitialize for a new argument. */ | |
3155 | arg_going = 0; | |
3156 | delete_this_arg = 0; | |
3157 | this_is_output_file = 0; | |
3158 | this_is_library_file = 0; | |
3159 | break; | |
3160 | ||
3161 | case '%': | |
3162 | switch (c = *p++) | |
3163 | { | |
3164 | case 0: | |
3165 | fatal ("Invalid specification! Bug in cc."); | |
3166 | ||
3167 | case 'b': | |
3168 | obstack_grow (&obstack, input_basename, basename_length); | |
3169 | arg_going = 1; | |
3170 | break; | |
3171 | ||
3172 | case 'd': | |
3173 | delete_this_arg = 2; | |
3174 | break; | |
3175 | ||
3176 | /* Dump out the directories specified with LIBRARY_PATH, | |
004fd4d5 RS |
3177 | followed by the absolute directories |
3178 | that we search for startfiles. */ | |
ed1f651b | 3179 | case 'D': |
8cacec76 | 3180 | { |
48ff801b | 3181 | struct prefix_list *pl = startfile_prefixes.plist; |
8cacec76 JW |
3182 | int bufsize = 100; |
3183 | char *buffer = (char *) xmalloc (bufsize); | |
3184 | int idx; | |
59014d0a | 3185 | |
8cacec76 JW |
3186 | for (; pl; pl = pl->next) |
3187 | { | |
004fd4d5 | 3188 | #ifdef RELATIVE_PREFIX_NOT_LINKDIR |
8cacec76 JW |
3189 | /* Used on systems which record the specified -L dirs |
3190 | and use them to search for dynamic linking. */ | |
3191 | /* Relative directories always come from -B, | |
3192 | and it is better not to use them for searching | |
3193 | at run time. In particular, stage1 loses */ | |
48ff801b | 3194 | if (pl->prefix[0] != '/' && pl->prefix[0] != DIR_SEPARATOR) |
8cacec76 | 3195 | continue; |
004fd4d5 | 3196 | #endif |
60103a34 DE |
3197 | /* Try subdirectory if there is one. */ |
3198 | if (multilib_dir != NULL) | |
3199 | { | |
3200 | if (machine_suffix) | |
3201 | { | |
3202 | if (strlen (pl->prefix) + strlen (machine_suffix) | |
3203 | >= bufsize) | |
3204 | bufsize = (strlen (pl->prefix) | |
3205 | + strlen (machine_suffix)) * 2 + 1; | |
3206 | buffer = (char *) xrealloc (buffer, bufsize); | |
3207 | strcpy (buffer, pl->prefix); | |
3208 | strcat (buffer, machine_suffix); | |
3209 | if (is_directory (buffer, multilib_dir, 1)) | |
3210 | { | |
3211 | do_spec_1 ("-L", 0, NULL_PTR); | |
3212 | #ifdef SPACE_AFTER_L_OPTION | |
3213 | do_spec_1 (" ", 0, NULL_PTR); | |
3214 | #endif | |
3215 | do_spec_1 (buffer, 1, NULL_PTR); | |
3216 | do_spec_1 (multilib_dir, 1, NULL_PTR); | |
3217 | /* Make this a separate argument. */ | |
3218 | do_spec_1 (" ", 0, NULL_PTR); | |
3219 | } | |
3220 | } | |
3221 | if (!pl->require_machine_suffix) | |
3222 | { | |
3223 | if (is_directory (pl->prefix, multilib_dir, 1)) | |
3224 | { | |
3225 | do_spec_1 ("-L", 0, NULL_PTR); | |
3226 | #ifdef SPACE_AFTER_L_OPTION | |
3227 | do_spec_1 (" ", 0, NULL_PTR); | |
3228 | #endif | |
3229 | do_spec_1 (pl->prefix, 1, NULL_PTR); | |
3230 | do_spec_1 (multilib_dir, 1, NULL_PTR); | |
3231 | /* Make this a separate argument. */ | |
3232 | do_spec_1 (" ", 0, NULL_PTR); | |
3233 | } | |
3234 | } | |
3235 | } | |
8cacec76 JW |
3236 | if (machine_suffix) |
3237 | { | |
0ad5835e | 3238 | if (is_directory (pl->prefix, machine_suffix, 1)) |
8cacec76 JW |
3239 | { |
3240 | do_spec_1 ("-L", 0, NULL_PTR); | |
004fd4d5 | 3241 | #ifdef SPACE_AFTER_L_OPTION |
8cacec76 | 3242 | do_spec_1 (" ", 0, NULL_PTR); |
004fd4d5 | 3243 | #endif |
8cacec76 JW |
3244 | do_spec_1 (pl->prefix, 1, NULL_PTR); |
3245 | /* Remove slash from machine_suffix. */ | |
3246 | if (strlen (machine_suffix) >= bufsize) | |
3247 | bufsize = strlen (machine_suffix) * 2 + 1; | |
3248 | buffer = (char *) xrealloc (buffer, bufsize); | |
3249 | strcpy (buffer, machine_suffix); | |
3250 | idx = strlen (buffer); | |
48ff801b RK |
3251 | if (buffer[idx - 1] == '/' |
3252 | || buffer[idx - 1] == DIR_SEPARATOR) | |
8cacec76 JW |
3253 | buffer[idx - 1] = 0; |
3254 | do_spec_1 (buffer, 1, NULL_PTR); | |
3255 | /* Make this a separate argument. */ | |
3256 | do_spec_1 (" ", 0, NULL_PTR); | |
3257 | } | |
3258 | } | |
3259 | if (!pl->require_machine_suffix) | |
3260 | { | |
0ad5835e | 3261 | if (is_directory (pl->prefix, "", 1)) |
8cacec76 JW |
3262 | { |
3263 | do_spec_1 ("-L", 0, NULL_PTR); | |
004fd4d5 | 3264 | #ifdef SPACE_AFTER_L_OPTION |
8cacec76 | 3265 | do_spec_1 (" ", 0, NULL_PTR); |
004fd4d5 | 3266 | #endif |
8cacec76 JW |
3267 | /* Remove slash from pl->prefix. */ |
3268 | if (strlen (pl->prefix) >= bufsize) | |
3269 | bufsize = strlen (pl->prefix) * 2 + 1; | |
3270 | buffer = (char *) xrealloc (buffer, bufsize); | |
3271 | strcpy (buffer, pl->prefix); | |
3272 | idx = strlen (buffer); | |
48ff801b RK |
3273 | if (buffer[idx - 1] == '/' |
3274 | || buffer[idx - 1] == DIR_SEPARATOR) | |
8cacec76 JW |
3275 | buffer[idx - 1] = 0; |
3276 | do_spec_1 (buffer, 1, NULL_PTR); | |
3277 | /* Make this a separate argument. */ | |
3278 | do_spec_1 (" ", 0, NULL_PTR); | |
3279 | } | |
3280 | } | |
3281 | } | |
3282 | free (buffer); | |
3283 | } | |
ed1f651b RS |
3284 | break; |
3285 | ||
3286 | case 'e': | |
3287 | /* {...:%efoo} means report an error with `foo' as error message | |
3288 | and don't execute any more commands for this file. */ | |
3289 | { | |
3290 | char *q = p; | |
3291 | char *buf; | |
3292 | while (*p != 0 && *p != '\n') p++; | |
3293 | buf = (char *) alloca (p - q + 1); | |
3294 | strncpy (buf, q, p - q); | |
3295 | buf[p - q] = 0; | |
3296 | error ("%s", buf); | |
3297 | return -1; | |
3298 | } | |
3299 | break; | |
3300 | ||
3301 | case 'g': | |
d887e808 | 3302 | case 'u': |
4401b31c | 3303 | case 'U': |
ed1f651b | 3304 | if (save_temps_flag) |
3061ec2b SS |
3305 | { |
3306 | obstack_grow (&obstack, input_basename, basename_length); | |
3307 | delete_this_arg = 0; | |
3308 | } | |
ed1f651b RS |
3309 | else |
3310 | { | |
fb266030 TW |
3311 | #ifdef MKTEMP_EACH_FILE |
3312 | /* ??? This has a problem: the total number of | |
3313 | values mktemp can return is limited. | |
3314 | That matters for the names of object files. | |
3315 | In 2.4, do something about that. */ | |
3316 | struct temp_name *t; | |
3317 | char *suffix = p; | |
2e21df5a RK |
3318 | while (*p == '.' || isalpha (*p) |
3319 | || (p[0] == '%' && p[1] == 'O')) | |
b9490a6e | 3320 | p++; |
fb266030 TW |
3321 | |
3322 | /* See if we already have an association of %g/%u/%U and | |
3323 | suffix. */ | |
3324 | for (t = temp_names; t; t = t->next) | |
3325 | if (t->length == p - suffix | |
3326 | && strncmp (t->suffix, suffix, p - suffix) == 0 | |
3327 | && t->unique == (c != 'g')) | |
3328 | break; | |
3329 | ||
3330 | /* Make a new association if needed. %u requires one. */ | |
3331 | if (t == 0 || c == 'u') | |
3332 | { | |
3333 | if (t == 0) | |
3334 | { | |
3335 | t = (struct temp_name *) xmalloc (sizeof (struct temp_name)); | |
3336 | t->next = temp_names; | |
3337 | temp_names = t; | |
3338 | } | |
3339 | t->length = p - suffix; | |
3340 | t->suffix = save_string (suffix, p - suffix); | |
3341 | t->unique = (c != 'g'); | |
3342 | choose_temp_base (); | |
3343 | t->filename = temp_filename; | |
3344 | t->filename_length = temp_filename_length; | |
3345 | } | |
3346 | ||
3347 | obstack_grow (&obstack, t->filename, t->filename_length); | |
b9490a6e RS |
3348 | delete_this_arg = 1; |
3349 | #else | |
ed1f651b | 3350 | obstack_grow (&obstack, temp_filename, temp_filename_length); |
4401b31c | 3351 | if (c == 'u' || c == 'U') |
d887e808 TW |
3352 | { |
3353 | static int unique; | |
3354 | char buff[9]; | |
4401b31c MM |
3355 | if (c == 'u') |
3356 | unique++; | |
3357 | sprintf (buff, "%d", unique); | |
d887e808 TW |
3358 | obstack_grow (&obstack, buff, strlen (buff)); |
3359 | } | |
b9490a6e | 3360 | #endif |
ed1f651b RS |
3361 | delete_this_arg = 1; |
3362 | } | |
3363 | arg_going = 1; | |
3364 | break; | |
3365 | ||
3366 | case 'i': | |
3367 | obstack_grow (&obstack, input_filename, input_filename_length); | |
3368 | arg_going = 1; | |
3369 | break; | |
3370 | ||
8eebb258 | 3371 | case 'I': |
2d879387 | 3372 | { |
48ff801b | 3373 | struct prefix_list *pl = include_prefixes.plist; |
2d879387 JW |
3374 | |
3375 | if (gcc_exec_prefix) | |
3376 | { | |
3377 | do_spec_1 ("-iprefix", 1, NULL_PTR); | |
3378 | /* Make this a separate argument. */ | |
3379 | do_spec_1 (" ", 0, NULL_PTR); | |
3380 | do_spec_1 (gcc_exec_prefix, 1, NULL_PTR); | |
3381 | do_spec_1 (" ", 0, NULL_PTR); | |
3382 | } | |
3383 | ||
3384 | for (; pl; pl = pl->next) | |
3385 | { | |
3386 | do_spec_1 ("-isystem", 1, NULL_PTR); | |
3387 | /* Make this a separate argument. */ | |
3388 | do_spec_1 (" ", 0, NULL_PTR); | |
3389 | do_spec_1 (pl->prefix, 1, NULL_PTR); | |
3390 | do_spec_1 (" ", 0, NULL_PTR); | |
3391 | } | |
3392 | } | |
8eebb258 RS |
3393 | break; |
3394 | ||
ed1f651b | 3395 | case 'o': |
f70165f6 RK |
3396 | for (i = 0; i < n_infiles; i++) |
3397 | store_arg (outfiles[i], 0, 0); | |
ed1f651b RS |
3398 | break; |
3399 | ||
ed7dae04 RK |
3400 | case 'O': |
3401 | obstack_grow (&obstack, OBJECT_SUFFIX, strlen (OBJECT_SUFFIX)); | |
3402 | arg_going = 1; | |
3403 | break; | |
3404 | ||
ed1f651b RS |
3405 | case 's': |
3406 | this_is_library_file = 1; | |
3407 | break; | |
3408 | ||
3409 | case 'w': | |
3410 | this_is_output_file = 1; | |
3411 | break; | |
3412 | ||
3413 | case 'W': | |
3414 | { | |
ed846da3 | 3415 | int cur_index = argbuf_index; |
ed1f651b RS |
3416 | /* Handle the {...} following the %W. */ |
3417 | if (*p != '{') | |
3418 | abort (); | |
3419 | p = handle_braces (p + 1); | |
3420 | if (p == 0) | |
3421 | return -1; | |
3422 | /* If any args were output, mark the last one for deletion | |
3423 | on failure. */ | |
ed846da3 | 3424 | if (argbuf_index != cur_index) |
ed1f651b RS |
3425 | record_temp_file (argbuf[argbuf_index - 1], 0, 1); |
3426 | break; | |
3427 | } | |
3428 | ||
3429 | /* %x{OPTION} records OPTION for %X to output. */ | |
3430 | case 'x': | |
3431 | { | |
3432 | char *p1 = p; | |
3433 | char *string; | |
3434 | ||
3435 | /* Skip past the option value and make a copy. */ | |
3436 | if (*p != '{') | |
3437 | abort (); | |
3438 | while (*p++ != '}') | |
3439 | ; | |
3440 | string = save_string (p1 + 1, p - p1 - 2); | |
3441 | ||
3442 | /* See if we already recorded this option. */ | |
3443 | for (i = 0; i < n_linker_options; i++) | |
3444 | if (! strcmp (string, linker_options[i])) | |
3445 | { | |
3446 | free (string); | |
3447 | return 0; | |
3448 | } | |
3449 | ||
3450 | /* This option is new; add it. */ | |
3451 | n_linker_options++; | |
3452 | if (!linker_options) | |
3453 | linker_options | |
3454 | = (char **) xmalloc (n_linker_options * sizeof (char **)); | |
3455 | else | |
3456 | linker_options | |
3457 | = (char **) xrealloc (linker_options, | |
3458 | n_linker_options * sizeof (char **)); | |
3459 | ||
3460 | linker_options[n_linker_options - 1] = string; | |
3461 | } | |
3462 | break; | |
3463 | ||
368dfd3a | 3464 | /* Dump out the options accumulated previously using %x. */ |
ed1f651b RS |
3465 | case 'X': |
3466 | for (i = 0; i < n_linker_options; i++) | |
3467 | { | |
906c4e36 | 3468 | do_spec_1 (linker_options[i], 1, NULL_PTR); |
ed1f651b | 3469 | /* Make each accumulated option a separate argument. */ |
906c4e36 | 3470 | do_spec_1 (" ", 0, NULL_PTR); |
ed1f651b RS |
3471 | } |
3472 | break; | |
3473 | ||
c9ebacb8 RS |
3474 | /* Dump out the options accumulated previously using -Wa,. */ |
3475 | case 'Y': | |
3476 | for (i = 0; i < n_assembler_options; i++) | |
3477 | { | |
3478 | do_spec_1 (assembler_options[i], 1, NULL_PTR); | |
3479 | /* Make each accumulated option a separate argument. */ | |
3480 | do_spec_1 (" ", 0, NULL_PTR); | |
3481 | } | |
3482 | break; | |
3483 | ||
57cb9b60 JW |
3484 | /* Dump out the options accumulated previously using -Wp,. */ |
3485 | case 'Z': | |
3486 | for (i = 0; i < n_preprocessor_options; i++) | |
3487 | { | |
3488 | do_spec_1 (preprocessor_options[i], 1, NULL_PTR); | |
3489 | /* Make each accumulated option a separate argument. */ | |
3490 | do_spec_1 (" ", 0, NULL_PTR); | |
3491 | } | |
3492 | break; | |
3493 | ||
ed1f651b RS |
3494 | /* Here are digits and numbers that just process |
3495 | a certain constant string as a spec. */ | |
3496 | ||
3497 | case '1': | |
3279bba6 RS |
3498 | value = do_spec_1 (cc1_spec, 0, NULL_PTR); |
3499 | if (value != 0) | |
3500 | return value; | |
ed1f651b RS |
3501 | break; |
3502 | ||
3503 | case '2': | |
3279bba6 RS |
3504 | value = do_spec_1 (cc1plus_spec, 0, NULL_PTR); |
3505 | if (value != 0) | |
3506 | return value; | |
ed1f651b RS |
3507 | break; |
3508 | ||
3509 | case 'a': | |
3279bba6 RS |
3510 | value = do_spec_1 (asm_spec, 0, NULL_PTR); |
3511 | if (value != 0) | |
3512 | return value; | |
ed1f651b RS |
3513 | break; |
3514 | ||
3515 | case 'A': | |
3279bba6 RS |
3516 | value = do_spec_1 (asm_final_spec, 0, NULL_PTR); |
3517 | if (value != 0) | |
3518 | return value; | |
ed1f651b RS |
3519 | break; |
3520 | ||
3521 | case 'c': | |
3279bba6 RS |
3522 | value = do_spec_1 (signed_char_spec, 0, NULL_PTR); |
3523 | if (value != 0) | |
3524 | return value; | |
ed1f651b RS |
3525 | break; |
3526 | ||
3527 | case 'C': | |
3279bba6 RS |
3528 | value = do_spec_1 (cpp_spec, 0, NULL_PTR); |
3529 | if (value != 0) | |
3530 | return value; | |
ed1f651b RS |
3531 | break; |
3532 | ||
3533 | case 'E': | |
3279bba6 RS |
3534 | value = do_spec_1 (endfile_spec, 0, NULL_PTR); |
3535 | if (value != 0) | |
3536 | return value; | |
ed1f651b RS |
3537 | break; |
3538 | ||
3539 | case 'l': | |
3279bba6 RS |
3540 | value = do_spec_1 (link_spec, 0, NULL_PTR); |
3541 | if (value != 0) | |
3542 | return value; | |
ed1f651b RS |
3543 | break; |
3544 | ||
3545 | case 'L': | |
3279bba6 RS |
3546 | value = do_spec_1 (lib_spec, 0, NULL_PTR); |
3547 | if (value != 0) | |
3548 | return value; | |
ed1f651b RS |
3549 | break; |
3550 | ||
68d69835 JM |
3551 | case 'G': |
3552 | value = do_spec_1 (libgcc_spec, 0, NULL_PTR); | |
3553 | if (value != 0) | |
3554 | return value; | |
3555 | break; | |
3556 | ||
ed1f651b RS |
3557 | case 'p': |
3558 | { | |
3559 | char *x = (char *) alloca (strlen (cpp_predefines) + 1); | |
3560 | char *buf = x; | |
3561 | char *y; | |
3562 | ||
3563 | /* Copy all of the -D options in CPP_PREDEFINES into BUF. */ | |
3564 | y = cpp_predefines; | |
3565 | while (*y != 0) | |
3566 | { | |
3567 | if (! strncmp (y, "-D", 2)) | |
3568 | /* Copy the whole option. */ | |
3569 | while (*y && *y != ' ' && *y != '\t') | |
3570 | *x++ = *y++; | |
3571 | else if (*y == ' ' || *y == '\t') | |
3572 | /* Copy whitespace to the result. */ | |
3573 | *x++ = *y++; | |
3574 | /* Don't copy other options. */ | |
3575 | else | |
3576 | y++; | |
3577 | } | |
3578 | ||
3579 | *x = 0; | |
3580 | ||
3279bba6 RS |
3581 | value = do_spec_1 (buf, 0, NULL_PTR); |
3582 | if (value != 0) | |
3583 | return value; | |
ed1f651b RS |
3584 | } |
3585 | break; | |
3586 | ||
3587 | case 'P': | |
3588 | { | |
3589 | char *x = (char *) alloca (strlen (cpp_predefines) * 4 + 1); | |
3590 | char *buf = x; | |
3591 | char *y; | |
3592 | ||
3593 | /* Copy all of CPP_PREDEFINES into BUF, | |
3594 | but put __ after every -D and at the end of each arg. */ | |
3595 | y = cpp_predefines; | |
3596 | while (*y != 0) | |
3597 | { | |
3598 | if (! strncmp (y, "-D", 2)) | |
3599 | { | |
3600 | int flag = 0; | |
3601 | ||
3602 | *x++ = *y++; | |
3603 | *x++ = *y++; | |
3604 | ||
35364692 RK |
3605 | if (*y != '_' |
3606 | || (*(y+1) != '_' && ! isupper (*(y+1)))) | |
ed1f651b RS |
3607 | { |
3608 | /* Stick __ at front of macro name. */ | |
3609 | *x++ = '_'; | |
3610 | *x++ = '_'; | |
3611 | /* Arrange to stick __ at the end as well. */ | |
3612 | flag = 1; | |
3613 | } | |
3614 | ||
3615 | /* Copy the macro name. */ | |
3616 | while (*y && *y != '=' && *y != ' ' && *y != '\t') | |
3617 | *x++ = *y++; | |
3618 | ||
3619 | if (flag) | |
3620 | { | |
3621 | *x++ = '_'; | |
3622 | *x++ = '_'; | |
3623 | } | |
3624 | ||
3625 | /* Copy the value given, if any. */ | |
3626 | while (*y && *y != ' ' && *y != '\t') | |
3627 | *x++ = *y++; | |
3628 | } | |
3629 | else if (*y == ' ' || *y == '\t') | |
3630 | /* Copy whitespace to the result. */ | |
3631 | *x++ = *y++; | |
3632 | /* Don't copy -A options */ | |
3633 | else | |
3634 | y++; | |
3635 | } | |
3636 | *x++ = ' '; | |
3637 | ||
3638 | /* Copy all of CPP_PREDEFINES into BUF, | |
3639 | but put __ after every -D. */ | |
3640 | y = cpp_predefines; | |
3641 | while (*y != 0) | |
3642 | { | |
3643 | if (! strncmp (y, "-D", 2)) | |
3644 | { | |
54a88f92 | 3645 | y += 2; |
ed1f651b | 3646 | |
35364692 RK |
3647 | if (*y != '_' |
3648 | || (*(y+1) != '_' && ! isupper (*(y+1)))) | |
ed1f651b | 3649 | { |
54a88f92 RK |
3650 | /* Stick -D__ at front of macro name. */ |
3651 | *x++ = '-'; | |
3652 | *x++ = 'D'; | |
ed1f651b RS |
3653 | *x++ = '_'; |
3654 | *x++ = '_'; | |
ed1f651b | 3655 | |
54a88f92 RK |
3656 | /* Copy the macro name. */ |
3657 | while (*y && *y != '=' && *y != ' ' && *y != '\t') | |
3658 | *x++ = *y++; | |
ed1f651b | 3659 | |
54a88f92 RK |
3660 | /* Copy the value given, if any. */ |
3661 | while (*y && *y != ' ' && *y != '\t') | |
3662 | *x++ = *y++; | |
3663 | } | |
3664 | else | |
3665 | { | |
3666 | /* Do not copy this macro - we have just done it before */ | |
3667 | while (*y && *y != ' ' && *y != '\t') | |
3668 | y++; | |
3669 | } | |
ed1f651b RS |
3670 | } |
3671 | else if (*y == ' ' || *y == '\t') | |
3672 | /* Copy whitespace to the result. */ | |
3673 | *x++ = *y++; | |
3674 | /* Don't copy -A options */ | |
3675 | else | |
3676 | y++; | |
3677 | } | |
3678 | *x++ = ' '; | |
3679 | ||
3680 | /* Copy all of the -A options in CPP_PREDEFINES into BUF. */ | |
3681 | y = cpp_predefines; | |
3682 | while (*y != 0) | |
3683 | { | |
3684 | if (! strncmp (y, "-A", 2)) | |
3685 | /* Copy the whole option. */ | |
3686 | while (*y && *y != ' ' && *y != '\t') | |
3687 | *x++ = *y++; | |
3688 | else if (*y == ' ' || *y == '\t') | |
3689 | /* Copy whitespace to the result. */ | |
3690 | *x++ = *y++; | |
3691 | /* Don't copy other options. */ | |
3692 | else | |
3693 | y++; | |
3694 | } | |
3695 | ||
3696 | *x = 0; | |
3697 | ||
3279bba6 RS |
3698 | value = do_spec_1 (buf, 0, NULL_PTR); |
3699 | if (value != 0) | |
3700 | return value; | |
ed1f651b RS |
3701 | } |
3702 | break; | |
3703 | ||
3704 | case 'S': | |
3279bba6 RS |
3705 | value = do_spec_1 (startfile_spec, 0, NULL_PTR); |
3706 | if (value != 0) | |
3707 | return value; | |
ed1f651b RS |
3708 | break; |
3709 | ||
3710 | /* Here we define characters other than letters and digits. */ | |
3711 | ||
3712 | case '{': | |
3713 | p = handle_braces (p); | |
3714 | if (p == 0) | |
3715 | return -1; | |
3716 | break; | |
3717 | ||
3718 | case '%': | |
3719 | obstack_1grow (&obstack, '%'); | |
3720 | break; | |
3721 | ||
3722 | case '*': | |
906c4e36 RK |
3723 | do_spec_1 (soft_matched_part, 1, NULL_PTR); |
3724 | do_spec_1 (" ", 0, NULL_PTR); | |
ed1f651b RS |
3725 | break; |
3726 | ||
3727 | /* Process a string found as the value of a spec given by name. | |
3728 | This feature allows individual machine descriptions | |
3729 | to add and use their own specs. | |
3730 | %[...] modifies -D options the way %P does; | |
3731 | %(...) uses the spec unmodified. */ | |
3732 | case '(': | |
3733 | case '[': | |
3734 | { | |
3735 | char *name = p; | |
3736 | struct spec_list *sl; | |
3737 | int len; | |
3738 | ||
3739 | /* The string after the S/P is the name of a spec that is to be | |
3740 | processed. */ | |
3741 | while (*p && *p != ')' && *p != ']') | |
3742 | p++; | |
3743 | ||
3744 | /* See if it's in the list */ | |
3745 | for (len = p - name, sl = specs; sl; sl = sl->next) | |
3746 | if (strncmp (sl->name, name, len) == 0 && !sl->name[len]) | |
3747 | { | |
3748 | name = sl->spec; | |
3749 | break; | |
3750 | } | |
3751 | ||
3752 | if (sl) | |
3753 | { | |
3754 | if (c == '(') | |
3279bba6 RS |
3755 | { |
3756 | value = do_spec_1 (name, 0, NULL_PTR); | |
3757 | if (value != 0) | |
3758 | return value; | |
3759 | } | |
ed1f651b RS |
3760 | else |
3761 | { | |
3762 | char *x = (char *) alloca (strlen (name) * 2 + 1); | |
3763 | char *buf = x; | |
3764 | char *y = name; | |
3765 | ||
3766 | /* Copy all of NAME into BUF, but put __ after | |
3767 | every -D and at the end of each arg, */ | |
3768 | while (1) | |
3769 | { | |
3770 | if (! strncmp (y, "-D", 2)) | |
3771 | { | |
3772 | *x++ = '-'; | |
3773 | *x++ = 'D'; | |
3774 | *x++ = '_'; | |
3775 | *x++ = '_'; | |
3776 | y += 2; | |
3777 | } | |
3778 | else if (*y == ' ' || *y == 0) | |
3779 | { | |
3780 | *x++ = '_'; | |
3781 | *x++ = '_'; | |
3782 | if (*y == 0) | |
3783 | break; | |
3784 | else | |
3785 | *x++ = *y++; | |
3786 | } | |
3787 | else | |
3788 | *x++ = *y++; | |
3789 | } | |
3790 | *x = 0; | |
3791 | ||
3279bba6 RS |
3792 | value = do_spec_1 (buf, 0, NULL_PTR); |
3793 | if (value != 0) | |
3794 | return value; | |
ed1f651b RS |
3795 | } |
3796 | } | |
b3865ca9 RS |
3797 | |
3798 | /* Discard the closing paren or bracket. */ | |
3799 | if (*p) | |
3800 | p++; | |
ed1f651b RS |
3801 | } |
3802 | break; | |
3803 | ||
829407e1 RS |
3804 | case 'v': |
3805 | { | |
500c9e81 | 3806 | int c1 = *p++; /* Select first or second version number. */ |
53117a2f | 3807 | char *v = compiler_version; |
829407e1 | 3808 | char *q, *copy; |
500c9e81 RS |
3809 | /* If desired, advance to second version number. */ |
3810 | if (c1 == '2') | |
3811 | { | |
164c4c91 | 3812 | /* Set V after the first period. */ |
53117a2f RK |
3813 | while (*v != 0 && *v != ' ' && *v != '.') |
3814 | v++; | |
3815 | if (*v == '.') | |
3816 | v++; | |
500c9e81 RS |
3817 | } |
3818 | /* Set Q at the next period or at the end. */ | |
53117a2f RK |
3819 | q = v; |
3820 | while (*q != 0 && *q != ' ' && *q != '.') | |
3821 | q++; | |
3822 | /* Empty string means zero. */ | |
164c4c91 | 3823 | if (v == q) |
53117a2f RK |
3824 | { |
3825 | v = "0"; | |
3826 | q = v + 1; | |
3827 | } | |
829407e1 | 3828 | /* Put that part into the command. */ |
53117a2f | 3829 | obstack_grow (&obstack, v, q - v); |
829407e1 RS |
3830 | arg_going = 1; |
3831 | } | |
3832 | break; | |
3833 | ||
a99bf70c JW |
3834 | case '|': |
3835 | if (input_from_pipe) | |
3836 | do_spec_1 ("-", 0, NULL_PTR); | |
3837 | break; | |
3838 | ||
ed1f651b RS |
3839 | default: |
3840 | abort (); | |
3841 | } | |
3842 | break; | |
3843 | ||
3844 | case '\\': | |
3845 | /* Backslash: treat next character as ordinary. */ | |
3846 | c = *p++; | |
3847 | ||
3848 | /* fall through */ | |
3849 | default: | |
3850 | /* Ordinary character: put it into the current argument. */ | |
3851 | obstack_1grow (&obstack, c); | |
3852 | arg_going = 1; | |
3853 | } | |
3854 | ||
3855 | return 0; /* End of string */ | |
3856 | } | |
3857 | ||
3858 | /* Return 0 if we call do_spec_1 and that returns -1. */ | |
3859 | ||
3860 | static char * | |
3861 | handle_braces (p) | |
3862 | register char *p; | |
3863 | { | |
3864 | register char *q; | |
3865 | char *filter; | |
f2cf3e1e | 3866 | int pipe_p = 0; |
ed1f651b RS |
3867 | int negate = 0; |
3868 | int suffix = 0; | |
3869 | ||
3870 | if (*p == '|') | |
3871 | /* A `|' after the open-brace means, | |
3872 | if the test fails, output a single minus sign rather than nothing. | |
3873 | This is used in %{|!pipe:...}. */ | |
f2cf3e1e | 3874 | pipe_p = 1, ++p; |
ed1f651b RS |
3875 | |
3876 | if (*p == '!') | |
3877 | /* A `!' after the open-brace negates the condition: | |
3878 | succeed if the specified switch is not present. */ | |
3879 | negate = 1, ++p; | |
3880 | ||
3881 | if (*p == '.') | |
3882 | /* A `.' after the open-brace means test against the current suffix. */ | |
3883 | { | |
f2cf3e1e | 3884 | if (pipe_p) |
ed1f651b RS |
3885 | abort (); |
3886 | ||
3887 | suffix = 1; | |
3888 | ++p; | |
3889 | } | |
3890 | ||
3891 | filter = p; | |
3892 | while (*p != ':' && *p != '}') p++; | |
3893 | if (*p != '}') | |
3894 | { | |
3895 | register int count = 1; | |
3896 | q = p + 1; | |
3897 | while (count > 0) | |
3898 | { | |
3899 | if (*q == '{') | |
3900 | count++; | |
3901 | else if (*q == '}') | |
3902 | count--; | |
3903 | else if (*q == 0) | |
3904 | abort (); | |
3905 | q++; | |
3906 | } | |
3907 | } | |
3908 | else | |
3909 | q = p + 1; | |
3910 | ||
3911 | if (suffix) | |
3912 | { | |
3913 | int found = (input_suffix != 0 | |
004fd4d5 | 3914 | && strlen (input_suffix) == p - filter |
ed1f651b RS |
3915 | && strncmp (input_suffix, filter, p - filter) == 0); |
3916 | ||
3917 | if (p[0] == '}') | |
3918 | abort (); | |
3919 | ||
3920 | if (negate != found | |
906c4e36 | 3921 | && do_spec_1 (save_string (p + 1, q - p - 2), 0, NULL_PTR) < 0) |
ed1f651b RS |
3922 | return 0; |
3923 | ||
3924 | return q; | |
3925 | } | |
3926 | else if (p[-1] == '*' && p[0] == '}') | |
3927 | { | |
3928 | /* Substitute all matching switches as separate args. */ | |
3929 | register int i; | |
3930 | --p; | |
3931 | for (i = 0; i < n_switches; i++) | |
f5b0eb4e RK |
3932 | if (!strncmp (switches[i].part1, filter, p - filter) |
3933 | && check_live_switch (i, p - filter)) | |
ed1f651b RS |
3934 | give_switch (i, 0); |
3935 | } | |
3936 | else | |
3937 | { | |
3938 | /* Test for presence of the specified switch. */ | |
3939 | register int i; | |
3940 | int present = 0; | |
3941 | ||
3942 | /* If name specified ends in *, as in {x*:...}, | |
3943 | check for %* and handle that case. */ | |
3944 | if (p[-1] == '*' && !negate) | |
3945 | { | |
3946 | int substitution; | |
3947 | char *r = p; | |
3948 | ||
3949 | /* First see whether we have %*. */ | |
3950 | substitution = 0; | |
b3865ca9 | 3951 | while (r < q) |
ed1f651b RS |
3952 | { |
3953 | if (*r == '%' && r[1] == '*') | |
3954 | substitution = 1; | |
3955 | r++; | |
3956 | } | |
3957 | /* If we do, handle that case. */ | |
3958 | if (substitution) | |
3959 | { | |
3960 | /* Substitute all matching switches as separate args. | |
3961 | But do this by substituting for %* | |
3962 | in the text that follows the colon. */ | |
3963 | ||
3964 | unsigned hard_match_len = p - filter - 1; | |
3965 | char *string = save_string (p + 1, q - p - 2); | |
3966 | ||
3967 | for (i = 0; i < n_switches; i++) | |
f5b0eb4e | 3968 | if (!strncmp (switches[i].part1, filter, hard_match_len) |
6c396fb5 | 3969 | && check_live_switch (i, -1)) |
ed1f651b RS |
3970 | { |
3971 | do_spec_1 (string, 0, &switches[i].part1[hard_match_len]); | |
3972 | /* Pass any arguments this switch has. */ | |
3973 | give_switch (i, 1); | |
3974 | } | |
3975 | ||
3976 | return q; | |
3977 | } | |
3978 | } | |
3979 | ||
3980 | /* If name specified ends in *, as in {x*:...}, | |
3981 | check for presence of any switch name starting with x. */ | |
3982 | if (p[-1] == '*') | |
3983 | { | |
3984 | for (i = 0; i < n_switches; i++) | |
3985 | { | |
3986 | unsigned hard_match_len = p - filter - 1; | |
3987 | ||
f5b0eb4e RK |
3988 | if (!strncmp (switches[i].part1, filter, hard_match_len) |
3989 | && check_live_switch (i, hard_match_len)) | |
ed1f651b | 3990 | { |
ed1f651b RS |
3991 | present = 1; |
3992 | } | |
3993 | } | |
3994 | } | |
3995 | /* Otherwise, check for presence of exact name specified. */ | |
3996 | else | |
3997 | { | |
3998 | for (i = 0; i < n_switches; i++) | |
3999 | { | |
4000 | if (!strncmp (switches[i].part1, filter, p - filter) | |
f5b0eb4e | 4001 | && switches[i].part1[p - filter] == 0 |
6c396fb5 | 4002 | && check_live_switch (i, -1)) |
ed1f651b | 4003 | { |
ed1f651b RS |
4004 | present = 1; |
4005 | break; | |
4006 | } | |
4007 | } | |
4008 | } | |
4009 | ||
4010 | /* If it is as desired (present for %{s...}, absent for %{-s...}) | |
4011 | then substitute either the switch or the specified | |
4012 | conditional text. */ | |
4013 | if (present != negate) | |
4014 | { | |
4015 | if (*p == '}') | |
4016 | { | |
4017 | give_switch (i, 0); | |
4018 | } | |
4019 | else | |
4020 | { | |
906c4e36 | 4021 | if (do_spec_1 (save_string (p + 1, q - p - 2), 0, NULL_PTR) < 0) |
ed1f651b RS |
4022 | return 0; |
4023 | } | |
4024 | } | |
f2cf3e1e | 4025 | else if (pipe_p) |
ed1f651b RS |
4026 | { |
4027 | /* Here if a %{|...} conditional fails: output a minus sign, | |
4028 | which means "standard output" or "standard input". */ | |
906c4e36 | 4029 | do_spec_1 ("-", 0, NULL_PTR); |
ed1f651b RS |
4030 | } |
4031 | } | |
4032 | ||
4033 | return q; | |
4034 | } | |
f5b0eb4e | 4035 | \f |
6c396fb5 RK |
4036 | /* Return 0 iff switch number SWITCHNUM is obsoleted by a later switch |
4037 | on the command line. PREFIX_LENGTH is the length of XXX in an {XXX*} | |
4038 | spec, or -1 if either exact match or %* is used. | |
f5b0eb4e RK |
4039 | |
4040 | A -O switch is obsoleted by a later -O switch. A -f, -m, or -W switch | |
4041 | whose value does not begin with "no-" is obsoleted by the same value | |
4042 | with the "no-", similarly for a switch with the "no-" prefix. */ | |
4043 | ||
4044 | static int | |
6c396fb5 | 4045 | check_live_switch (switchnum, prefix_length) |
f5b0eb4e | 4046 | int switchnum; |
6c396fb5 | 4047 | int prefix_length; |
f5b0eb4e RK |
4048 | { |
4049 | char *name = switches[switchnum].part1; | |
4050 | int i; | |
4051 | ||
6c396fb5 | 4052 | /* In the common case of {<at-most-one-letter>*}, a negating |
f5b0eb4e RK |
4053 | switch would always match, so ignore that case. We will just |
4054 | send the conflicting switches to the compiler phase. */ | |
6c396fb5 | 4055 | if (prefix_length >= 0 && prefix_length <= 1) |
f5b0eb4e RK |
4056 | return 1; |
4057 | ||
4058 | /* If we already processed this switch and determined if it was | |
4059 | live or not, return our past determination. */ | |
4060 | if (switches[switchnum].live_cond != 0) | |
4061 | return switches[switchnum].live_cond > 0; | |
4062 | ||
4063 | /* Now search for duplicate in a manner that depends on the name. */ | |
4064 | switch (*name) | |
4065 | { | |
4066 | case 'O': | |
f5b0eb4e RK |
4067 | for (i = switchnum + 1; i < n_switches; i++) |
4068 | if (switches[i].part1[0] == 'O') | |
4069 | { | |
4070 | switches[switchnum].valid = 1; | |
4071 | switches[switchnum].live_cond = -1; | |
4072 | return 0; | |
4073 | } | |
4074 | break; | |
ed1f651b | 4075 | |
f5b0eb4e | 4076 | case 'W': case 'f': case 'm': |
6c396fb5 | 4077 | if (! strncmp (name + 1, "no-", 3)) |
f5b0eb4e RK |
4078 | { |
4079 | /* We have Xno-YYY, search for XYYY. */ | |
4080 | for (i = switchnum + 1; i < n_switches; i++) | |
4081 | if (switches[i].part1[0] == name[0] | |
4082 | && ! strcmp (&switches[i].part1[1], &name[4])) | |
4083 | { | |
4084 | switches[switchnum].valid = 1; | |
4085 | switches[switchnum].live_cond = -1; | |
4086 | return 0; | |
4087 | } | |
4088 | } | |
4089 | else | |
4090 | { | |
4091 | /* We have XYYY, search for Xno-YYY. */ | |
4092 | for (i = switchnum + 1; i < n_switches; i++) | |
4093 | if (switches[i].part1[0] == name[0] | |
4094 | && switches[i].part1[1] == 'n' | |
4095 | && switches[i].part1[2] == 'o' | |
4096 | && switches[i].part1[3] == '-' | |
4097 | && !strcmp (&switches[i].part1[4], &name[1])) | |
4098 | { | |
4099 | switches[switchnum].valid = 1; | |
4100 | switches[switchnum].live_cond = -1; | |
4101 | return 0; | |
4102 | } | |
4103 | } | |
4104 | break; | |
4105 | } | |
4106 | ||
4107 | /* Otherwise the switch is live. */ | |
4108 | switches[switchnum].live_cond = 1; | |
4109 | return 1; | |
4110 | } | |
4111 | \f | |
ed1f651b RS |
4112 | /* Pass a switch to the current accumulating command |
4113 | in the same form that we received it. | |
4114 | SWITCHNUM identifies the switch; it is an index into | |
4115 | the vector of switches gcc received, which is `switches'. | |
4116 | This cannot fail since it never finishes a command line. | |
4117 | ||
4118 | If OMIT_FIRST_WORD is nonzero, then we omit .part1 of the argument. */ | |
4119 | ||
4120 | static void | |
4121 | give_switch (switchnum, omit_first_word) | |
4122 | int switchnum; | |
4123 | int omit_first_word; | |
4124 | { | |
4125 | if (!omit_first_word) | |
4126 | { | |
906c4e36 RK |
4127 | do_spec_1 ("-", 0, NULL_PTR); |
4128 | do_spec_1 (switches[switchnum].part1, 1, NULL_PTR); | |
ed1f651b | 4129 | } |
906c4e36 | 4130 | do_spec_1 (" ", 0, NULL_PTR); |
ed1f651b RS |
4131 | if (switches[switchnum].args != 0) |
4132 | { | |
4133 | char **p; | |
4134 | for (p = switches[switchnum].args; *p; p++) | |
4135 | { | |
906c4e36 RK |
4136 | do_spec_1 (*p, 1, NULL_PTR); |
4137 | do_spec_1 (" ", 0, NULL_PTR); | |
ed1f651b RS |
4138 | } |
4139 | } | |
4140 | switches[switchnum].valid = 1; | |
4141 | } | |
4142 | \f | |
4143 | /* Search for a file named NAME trying various prefixes including the | |
4144 | user's -B prefix and some standard ones. | |
4145 | Return the absolute file name found. If nothing is found, return NAME. */ | |
4146 | ||
4147 | static char * | |
4148 | find_file (name) | |
4149 | char *name; | |
4150 | { | |
4151 | char *newname; | |
4152 | ||
60103a34 DE |
4153 | /* Try multilib_dir if it is defined. */ |
4154 | if (multilib_dir != NULL) | |
4155 | { | |
4156 | char *try; | |
4157 | ||
4158 | try = (char *) alloca (strlen (multilib_dir) + strlen (name) + 2); | |
4159 | strcpy (try, multilib_dir); | |
48ff801b | 4160 | strcat (try, dir_separator_str); |
60103a34 DE |
4161 | strcat (try, name); |
4162 | ||
48ff801b | 4163 | newname = find_a_file (&startfile_prefixes, try, R_OK); |
60103a34 DE |
4164 | |
4165 | /* If we don't find it in the multi library dir, then fall | |
4166 | through and look for it in the normal places. */ | |
4167 | if (newname != NULL) | |
4168 | return newname; | |
4169 | } | |
4170 | ||
48ff801b | 4171 | newname = find_a_file (&startfile_prefixes, name, R_OK); |
ed1f651b RS |
4172 | return newname ? newname : name; |
4173 | } | |
4174 | ||
0ad5835e ILT |
4175 | /* Determine whether a directory exists. If LINKER, return 0 for |
4176 | certain fixed names not needed by the linker. If not LINKER, it is | |
4177 | only important to return 0 if the host machine has a small ARG_MAX | |
4178 | limit. */ | |
ed1f651b RS |
4179 | |
4180 | static int | |
0ad5835e | 4181 | is_directory (path1, path2, linker) |
ed1f651b RS |
4182 | char *path1; |
4183 | char *path2; | |
0ad5835e | 4184 | int linker; |
ed1f651b RS |
4185 | { |
4186 | int len1 = strlen (path1); | |
4187 | int len2 = strlen (path2); | |
4188 | char *path = (char *) alloca (3 + len1 + len2); | |
4189 | char *cp; | |
4190 | struct stat st; | |
4191 | ||
0ad5835e ILT |
4192 | #ifndef SMALL_ARG_MAX |
4193 | if (! linker) | |
4194 | return 1; | |
4195 | #endif | |
4196 | ||
ed1f651b RS |
4197 | /* Construct the path from the two parts. Ensure the string ends with "/.". |
4198 | The resulting path will be a directory even if the given path is a | |
4199 | symbolic link. */ | |
4200 | bcopy (path1, path, len1); | |
4201 | bcopy (path2, path + len1, len2); | |
4202 | cp = path + len1 + len2; | |
48ff801b RK |
4203 | if (cp[-1] != '/' && cp[-1] != DIR_SEPARATOR) |
4204 | *cp++ = DIR_SEPARATOR; | |
ed1f651b RS |
4205 | *cp++ = '.'; |
4206 | *cp = '\0'; | |
4207 | ||
4208 | /* Exclude directories that the linker is known to search. */ | |
0ad5835e | 4209 | if (linker |
48ff801b RK |
4210 | && ((cp - path == 6 |
4211 | && strcmp (path, concat4 (dir_separator_str, "lib", | |
4212 | dir_separator_str, ".")) == 0) | |
4213 | || (cp - path == 10 | |
4214 | && strcmp (path, concat6 (dir_separator_str, "usr", | |
4215 | dir_separator_str, "lib", | |
4216 | dir_separator_str, ".")) == 0))) | |
ed1f651b RS |
4217 | return 0; |
4218 | ||
4219 | return (stat (path, &st) >= 0 && S_ISDIR (st.st_mode)); | |
4220 | } | |
ed1f651b RS |
4221 | \f |
4222 | /* On fatal signals, delete all the temporary files. */ | |
4223 | ||
4224 | static void | |
4225 | fatal_error (signum) | |
4226 | int signum; | |
4227 | { | |
4228 | signal (signum, SIG_DFL); | |
4229 | delete_failure_queue (); | |
4230 | delete_temp_files (); | |
4231 | /* Get the same signal again, this time not handled, | |
4232 | so its normal effect occurs. */ | |
4233 | kill (getpid (), signum); | |
4234 | } | |
4235 | ||
4236 | int | |
4237 | main (argc, argv) | |
4238 | int argc; | |
4239 | char **argv; | |
4240 | { | |
4241 | register int i; | |
058d8521 | 4242 | int j; |
ed1f651b | 4243 | int value; |
ed1f651b RS |
4244 | int linker_was_run = 0; |
4245 | char *explicit_link_files; | |
4246 | char *specs_file; | |
afcd8a02 | 4247 | char *p; |
ed1f651b | 4248 | |
afcd8a02 | 4249 | p = argv[0] + strlen (argv[0]); |
48ff801b | 4250 | while (p != argv[0] && p[-1] != '/' && p[-1] != DIR_SEPARATOR) --p; |
afcd8a02 | 4251 | programname = p; |
ed1f651b RS |
4252 | |
4253 | if (signal (SIGINT, SIG_IGN) != SIG_IGN) | |
4254 | signal (SIGINT, fatal_error); | |
2a353d3a | 4255 | #ifdef SIGHUP |
ed1f651b RS |
4256 | if (signal (SIGHUP, SIG_IGN) != SIG_IGN) |
4257 | signal (SIGHUP, fatal_error); | |
2a353d3a | 4258 | #endif |
ed1f651b RS |
4259 | if (signal (SIGTERM, SIG_IGN) != SIG_IGN) |
4260 | signal (SIGTERM, fatal_error); | |
4261 | #ifdef SIGPIPE | |
4262 | if (signal (SIGPIPE, SIG_IGN) != SIG_IGN) | |
4263 | signal (SIGPIPE, fatal_error); | |
4264 | #endif | |
4265 | ||
4266 | argbuf_length = 10; | |
4267 | argbuf = (char **) xmalloc (argbuf_length * sizeof (char *)); | |
4268 | ||
4269 | obstack_init (&obstack); | |
4270 | ||
b3865ca9 | 4271 | /* Set up to remember the pathname of gcc and any options |
1d23c208 JW |
4272 | needed for collect. We use argv[0] instead of programname because |
4273 | we need the complete pathname. */ | |
b3865ca9 RS |
4274 | obstack_init (&collect_obstack); |
4275 | obstack_grow (&collect_obstack, "COLLECT_GCC=", sizeof ("COLLECT_GCC=")-1); | |
1d23c208 | 4276 | obstack_grow (&collect_obstack, argv[0], strlen (argv[0])+1); |
b3865ca9 RS |
4277 | putenv (obstack_finish (&collect_obstack)); |
4278 | ||
8faf4a68 JW |
4279 | #ifdef INIT_ENVIRONMENT |
4280 | /* Set up any other necessary machine specific environment variables. */ | |
4281 | putenv (INIT_ENVIRONMENT); | |
4282 | #endif | |
4283 | ||
ed1f651b RS |
4284 | /* Choose directory for temp files. */ |
4285 | ||
4286 | choose_temp_base (); | |
4287 | ||
4288 | /* Make a table of what switches there are (switches, n_switches). | |
4289 | Make a table of specified input files (infiles, n_infiles). | |
4290 | Decode switches that are handled locally. */ | |
4291 | ||
4292 | process_command (argc, argv); | |
4293 | ||
4294 | /* Initialize the vector of specs to just the default. | |
4295 | This means one element containing 0s, as a terminator. */ | |
4296 | ||
4297 | compilers = (struct compiler *) xmalloc (sizeof default_compilers); | |
4c9a05bc RK |
4298 | bcopy ((char *) default_compilers, (char *) compilers, |
4299 | sizeof default_compilers); | |
ed1f651b RS |
4300 | n_compilers = n_default_compilers; |
4301 | ||
4302 | /* Read specs from a file if there is one. */ | |
4303 | ||
48ff801b RK |
4304 | machine_suffix = concat4 (spec_machine, dir_separator_str, |
4305 | spec_version, dir_separator_str); | |
4306 | just_machine_suffix = concat (spec_machine, dir_separator_str); | |
ed1f651b | 4307 | |
48ff801b | 4308 | specs_file = find_a_file (&startfile_prefixes, "specs", R_OK); |
ed1f651b RS |
4309 | /* Read the specs file unless it is a default one. */ |
4310 | if (specs_file != 0 && strcmp (specs_file, "specs")) | |
4311 | read_specs (specs_file); | |
4312 | ||
004fd4d5 RS |
4313 | /* If not cross-compiling, look for startfiles in the standard places. */ |
4314 | /* The fact that these are done here, after reading the specs file, | |
4315 | means that it cannot be found in these directories. | |
4316 | But that's okay. It should never be there anyway. */ | |
4317 | if (!cross_compile) | |
4318 | { | |
4319 | #ifdef MD_EXEC_PREFIX | |
48ff801b RK |
4320 | add_prefix (&exec_prefixes, md_exec_prefix, 0, 0, NULL_PTR); |
4321 | add_prefix (&startfile_prefixes, md_exec_prefix, 0, 0, NULL_PTR); | |
004fd4d5 RS |
4322 | #endif |
4323 | ||
4324 | #ifdef MD_STARTFILE_PREFIX | |
48ff801b | 4325 | add_prefix (&startfile_prefixes, md_startfile_prefix, 0, 0, NULL_PTR); |
004fd4d5 RS |
4326 | #endif |
4327 | ||
607a4f7d | 4328 | #ifdef MD_STARTFILE_PREFIX_1 |
48ff801b | 4329 | add_prefix (&startfile_prefixes, md_startfile_prefix_1, 0, 0, NULL_PTR); |
607a4f7d RS |
4330 | #endif |
4331 | ||
4dbc7773 ILT |
4332 | /* If standard_startfile_prefix is relative, base it on |
4333 | standard_exec_prefix. This lets us move the installed tree | |
4334 | as a unit. If GCC_EXEC_PREFIX is defined, base | |
4335 | standard_startfile_prefix on that as well. */ | |
48ff801b RK |
4336 | if (*standard_startfile_prefix == '/' |
4337 | || *standard_startfile_prefix == DIR_SEPARATOR) | |
4338 | add_prefix (&startfile_prefixes, standard_startfile_prefix, 0, 0, | |
4dbc7773 ILT |
4339 | NULL_PTR); |
4340 | else | |
4341 | { | |
4342 | if (gcc_exec_prefix) | |
48ff801b | 4343 | add_prefix (&startfile_prefixes, |
2b16a9d3 RK |
4344 | concat3 (gcc_exec_prefix, machine_suffix, |
4345 | standard_startfile_prefix), | |
4dbc7773 | 4346 | 0, 0, NULL_PTR); |
48ff801b RK |
4347 | add_prefix (&startfile_prefixes, |
4348 | concat3 (standard_exec_prefix, | |
4349 | machine_suffix, | |
4350 | standard_startfile_prefix), | |
4dbc7773 ILT |
4351 | 0, 0, NULL_PTR); |
4352 | } | |
4353 | ||
48ff801b | 4354 | add_prefix (&startfile_prefixes, standard_startfile_prefix_1, 0, 0, |
906c4e36 | 4355 | NULL_PTR); |
48ff801b | 4356 | add_prefix (&startfile_prefixes, standard_startfile_prefix_2, 0, 0, |
906c4e36 | 4357 | NULL_PTR); |
004fd4d5 | 4358 | #if 0 /* Can cause surprises, and one can use -B./ instead. */ |
48ff801b | 4359 | add_prefix (&startfile_prefixes, "./", 0, 1, NULL_PTR); |
004fd4d5 RS |
4360 | #endif |
4361 | } | |
e8601ecb JW |
4362 | else |
4363 | { | |
4364 | if (*standard_startfile_prefix != DIR_SEPARATOR && gcc_exec_prefix) | |
4365 | add_prefix (&startfile_prefixes, | |
2b16a9d3 RK |
4366 | concat3 (gcc_exec_prefix, machine_suffix, |
4367 | standard_startfile_prefix), | |
e8601ecb JW |
4368 | 0, 0, NULL_PTR); |
4369 | } | |
4370 | ||
4371 | /* If we have a GCC_EXEC_PREFIX envvar, modify it for cpp's sake. */ | |
4372 | if (gcc_exec_prefix) | |
4373 | { | |
4374 | char * temp = (char *) xmalloc (strlen (gcc_exec_prefix) | |
4375 | + strlen (spec_version) | |
4376 | + strlen (spec_machine) + 3); | |
4377 | strcpy (temp, gcc_exec_prefix); | |
4378 | strcat (temp, spec_machine); | |
4379 | strcat (temp, dir_separator_str); | |
4380 | strcat (temp, spec_version); | |
4381 | strcat (temp, dir_separator_str); | |
4382 | gcc_exec_prefix = temp; | |
4383 | } | |
004fd4d5 | 4384 | |
ed1f651b RS |
4385 | /* Now we have the specs. |
4386 | Set the `valid' bits for switches that match anything in any spec. */ | |
4387 | ||
4388 | validate_all_switches (); | |
4389 | ||
60103a34 DE |
4390 | /* Now that we have the switches and the specs, set |
4391 | the subdirectory based on the options. */ | |
4392 | set_multilib_dir (); | |
4393 | ||
ed1f651b RS |
4394 | /* Warn about any switches that no pass was interested in. */ |
4395 | ||
4396 | for (i = 0; i < n_switches; i++) | |
4397 | if (! switches[i].valid) | |
4398 | error ("unrecognized option `-%s'", switches[i].part1); | |
4399 | ||
6a9e290e RK |
4400 | /* Obey some of the options. */ |
4401 | ||
2628b9d3 DE |
4402 | if (print_search_dirs) |
4403 | { | |
4404 | printf ("install: %s%s\n", standard_exec_prefix, machine_suffix); | |
4405 | printf ("programs: %s\n", build_search_list (&exec_prefixes, "", 0)); | |
4406 | printf ("libraries: %s\n", build_search_list (&startfile_prefixes, "", 0)); | |
4407 | exit (0); | |
4408 | } | |
4409 | ||
6a9e290e | 4410 | if (print_file_name) |
2dcb563f | 4411 | { |
6a9e290e | 4412 | printf ("%s\n", find_file (print_file_name)); |
2dcb563f RS |
4413 | exit (0); |
4414 | } | |
4415 | ||
6a9e290e RK |
4416 | if (print_prog_name) |
4417 | { | |
48ff801b | 4418 | char *newname = find_a_file (&exec_prefixes, print_prog_name, X_OK); |
6a9e290e RK |
4419 | printf ("%s\n", (newname ? newname : print_prog_name)); |
4420 | exit (0); | |
4421 | } | |
ed1f651b | 4422 | |
60103a34 DE |
4423 | if (print_multi_lib) |
4424 | { | |
4425 | print_multilib_info (); | |
4426 | exit (0); | |
4427 | } | |
4428 | ||
4429 | if (print_multi_directory) | |
4430 | { | |
4431 | if (multilib_dir == NULL) | |
4432 | printf (".\n"); | |
4433 | else | |
4434 | printf ("%s\n", multilib_dir); | |
4435 | exit (0); | |
4436 | } | |
4437 | ||
ed1f651b RS |
4438 | if (verbose_flag) |
4439 | { | |
9c4faac1 RK |
4440 | if (! strcmp (version_string, compiler_version)) |
4441 | fprintf (stderr, "gcc version %s\n", version_string); | |
4442 | else | |
4443 | fprintf (stderr, "gcc driver version %s executing gcc version %s\n", | |
4444 | version_string, compiler_version); | |
4445 | ||
ed1f651b RS |
4446 | if (n_infiles == 0) |
4447 | exit (0); | |
4448 | } | |
4449 | ||
4450 | if (n_infiles == 0) | |
1df80ae4 | 4451 | fatal ("No input files"); |
ed1f651b RS |
4452 | |
4453 | /* Make a place to record the compiler output file names | |
4454 | that correspond to the input files. */ | |
4455 | ||
4456 | outfiles = (char **) xmalloc (n_infiles * sizeof (char *)); | |
4c9a05bc | 4457 | bzero ((char *) outfiles, n_infiles * sizeof (char *)); |
ed1f651b RS |
4458 | |
4459 | /* Record which files were specified explicitly as link input. */ | |
4460 | ||
4461 | explicit_link_files = xmalloc (n_infiles); | |
4462 | bzero (explicit_link_files, n_infiles); | |
4463 | ||
4464 | for (i = 0; i < n_infiles; i++) | |
4465 | { | |
4466 | register struct compiler *cp = 0; | |
4467 | int this_file_error = 0; | |
4468 | ||
4469 | /* Tell do_spec what to substitute for %i. */ | |
4470 | ||
4471 | input_filename = infiles[i].name; | |
4472 | input_filename_length = strlen (input_filename); | |
4473 | input_file_number = i; | |
4474 | ||
4475 | /* Use the same thing in %o, unless cp->spec says otherwise. */ | |
4476 | ||
4477 | outfiles[i] = input_filename; | |
4478 | ||
4479 | /* Figure out which compiler from the file's suffix. */ | |
4480 | ||
4481 | cp = lookup_compiler (infiles[i].name, input_filename_length, | |
4482 | infiles[i].language); | |
4483 | ||
4484 | if (cp) | |
4485 | { | |
4486 | /* Ok, we found an applicable compiler. Run its spec. */ | |
4487 | /* First say how much of input_filename to substitute for %b */ | |
4488 | register char *p; | |
ec32609a | 4489 | int len; |
ed1f651b RS |
4490 | |
4491 | input_basename = input_filename; | |
4492 | for (p = input_filename; *p; p++) | |
48ff801b | 4493 | if (*p == '/' || *p == DIR_SEPARATOR) |
ed1f651b RS |
4494 | input_basename = p + 1; |
4495 | ||
4496 | /* Find a suffix starting with the last period, | |
4497 | and set basename_length to exclude that suffix. */ | |
4498 | basename_length = strlen (input_basename); | |
4499 | p = input_basename + basename_length; | |
4500 | while (p != input_basename && *p != '.') --p; | |
4501 | if (*p == '.' && p != input_basename) | |
4502 | { | |
4503 | basename_length = p - input_basename; | |
4504 | input_suffix = p + 1; | |
4505 | } | |
4506 | else | |
4507 | input_suffix = ""; | |
4508 | ||
ec32609a | 4509 | len = 0; |
058d8521 RS |
4510 | for (j = 0; j < sizeof cp->spec / sizeof cp->spec[0]; j++) |
4511 | if (cp->spec[j]) | |
4512 | len += strlen (cp->spec[j]); | |
ec32609a RS |
4513 | |
4514 | p = (char *) xmalloc (len + 1); | |
4515 | ||
4516 | len = 0; | |
058d8521 RS |
4517 | for (j = 0; j < sizeof cp->spec / sizeof cp->spec[0]; j++) |
4518 | if (cp->spec[j]) | |
4519 | { | |
4520 | strcpy (p + len, cp->spec[j]); | |
4521 | len += strlen (cp->spec[j]); | |
4522 | } | |
ec32609a RS |
4523 | |
4524 | value = do_spec (p); | |
4525 | free (p); | |
ed1f651b RS |
4526 | if (value < 0) |
4527 | this_file_error = 1; | |
4528 | } | |
4529 | ||
4530 | /* If this file's name does not contain a recognized suffix, | |
4531 | record it as explicit linker input. */ | |
4532 | ||
4533 | else | |
4534 | explicit_link_files[i] = 1; | |
4535 | ||
4536 | /* Clear the delete-on-failure queue, deleting the files in it | |
4537 | if this compilation failed. */ | |
4538 | ||
4539 | if (this_file_error) | |
4540 | { | |
4541 | delete_failure_queue (); | |
4542 | error_count++; | |
4543 | } | |
4544 | /* If this compilation succeeded, don't delete those files later. */ | |
4545 | clear_failure_queue (); | |
4546 | } | |
4547 | ||
4548 | /* Run ld to link all the compiler output files. */ | |
4549 | ||
4550 | if (error_count == 0) | |
4551 | { | |
4552 | int tmp = execution_count; | |
b3865ca9 RS |
4553 | int i; |
4554 | int first_time; | |
4555 | ||
4556 | /* Rebuild the COMPILER_PATH and LIBRARY_PATH environment variables | |
4557 | for collect. */ | |
48ff801b RK |
4558 | putenv_from_prefixes (&exec_prefixes, "COMPILER_PATH="); |
4559 | putenv_from_prefixes (&startfile_prefixes, "LIBRARY_PATH="); | |
b3865ca9 RS |
4560 | |
4561 | /* Build COLLECT_GCC_OPTIONS to have all of the options specified to | |
4562 | the compiler. */ | |
4563 | obstack_grow (&collect_obstack, "COLLECT_GCC_OPTIONS=", | |
4564 | sizeof ("COLLECT_GCC_OPTIONS=")-1); | |
4565 | ||
4566 | first_time = TRUE; | |
4567 | for (i = 0; i < n_switches; i++) | |
4568 | { | |
4569 | char **args; | |
4570 | if (!first_time) | |
4571 | obstack_grow (&collect_obstack, " ", 1); | |
4572 | ||
4573 | first_time = FALSE; | |
4574 | obstack_grow (&collect_obstack, "-", 1); | |
4575 | obstack_grow (&collect_obstack, switches[i].part1, | |
4576 | strlen (switches[i].part1)); | |
4577 | ||
4578 | for (args = switches[i].args; args && *args; args++) | |
4579 | { | |
4580 | obstack_grow (&collect_obstack, " ", 1); | |
4581 | obstack_grow (&collect_obstack, *args, strlen (*args)); | |
4582 | } | |
4583 | } | |
4584 | obstack_grow (&collect_obstack, "\0", 1); | |
4585 | putenv (obstack_finish (&collect_obstack)); | |
4586 | ||
ed1f651b RS |
4587 | value = do_spec (link_command_spec); |
4588 | if (value < 0) | |
4589 | error_count = 1; | |
4590 | linker_was_run = (tmp != execution_count); | |
4591 | } | |
4592 | ||
4593 | /* Warn if a -B option was specified but the prefix was never used. */ | |
48ff801b RK |
4594 | unused_prefix_warnings (&exec_prefixes); |
4595 | unused_prefix_warnings (&startfile_prefixes); | |
ed1f651b RS |
4596 | |
4597 | /* If options said don't run linker, | |
4598 | complain about input files to be given to the linker. */ | |
4599 | ||
4600 | if (! linker_was_run && error_count == 0) | |
4601 | for (i = 0; i < n_infiles; i++) | |
4602 | if (explicit_link_files[i]) | |
4603 | error ("%s: linker input file unused since linking not done", | |
4604 | outfiles[i]); | |
4605 | ||
4606 | /* Delete some or all of the temporary files we made. */ | |
4607 | ||
4608 | if (error_count) | |
4609 | delete_failure_queue (); | |
4610 | delete_temp_files (); | |
4611 | ||
3b9b4d3f | 4612 | exit (error_count > 0 ? (signal_count ? 2 : 1) : 0); |
ed1f651b RS |
4613 | /* NOTREACHED */ |
4614 | return 0; | |
4615 | } | |
4616 | ||
4617 | /* Find the proper compilation spec for the file name NAME, | |
004fd4d5 | 4618 | whose length is LENGTH. LANGUAGE is the specified language, |
ed1f651b RS |
4619 | or 0 if none specified. */ |
4620 | ||
4621 | static struct compiler * | |
4622 | lookup_compiler (name, length, language) | |
4623 | char *name; | |
4624 | int length; | |
4625 | char *language; | |
4626 | { | |
4627 | struct compiler *cp; | |
4628 | ||
4629 | /* Look for the language, if one is spec'd. */ | |
4630 | if (language != 0) | |
4631 | { | |
4632 | for (cp = compilers + n_compilers - 1; cp >= compilers; cp--) | |
4633 | { | |
4634 | if (language != 0) | |
4635 | { | |
4636 | if (cp->suffix[0] == '@' | |
4637 | && !strcmp (cp->suffix + 1, language)) | |
4638 | return cp; | |
4639 | } | |
4640 | } | |
4641 | error ("language %s not recognized", language); | |
4642 | } | |
4643 | ||
4644 | /* Look for a suffix. */ | |
4645 | for (cp = compilers + n_compilers - 1; cp >= compilers; cp--) | |
4646 | { | |
4cf3301c RS |
4647 | if (/* The suffix `-' matches only the file name `-'. */ |
4648 | (!strcmp (cp->suffix, "-") && !strcmp (name, "-")) | |
4649 | || | |
4650 | (strlen (cp->suffix) < length | |
4651 | /* See if the suffix matches the end of NAME. */ | |
48ff801b RK |
4652 | #ifdef OS2 |
4653 | && (!strcmp (cp->suffix, | |
4654 | name + length - strlen (cp->suffix)) | |
4655 | || !strpbrk (cp->suffix, "ABCDEFGHIJKLMNOPQRSTUVWXYZ") | |
4656 | && !strcasecmp (cp->suffix, | |
4657 | name + length - strlen (cp->suffix))))) | |
4658 | #else | |
4cf3301c RS |
4659 | && !strcmp (cp->suffix, |
4660 | name + length - strlen (cp->suffix)))) | |
48ff801b | 4661 | #endif |
ed1f651b | 4662 | { |
ec32609a | 4663 | if (cp->spec[0][0] == '@') |
ed1f651b RS |
4664 | { |
4665 | struct compiler *new; | |
4666 | /* An alias entry maps a suffix to a language. | |
4667 | Search for the language; pass 0 for NAME and LENGTH | |
4668 | to avoid infinite recursion if language not found. | |
4669 | Construct the new compiler spec. */ | |
ec32609a | 4670 | language = cp->spec[0] + 1; |
ed1f651b RS |
4671 | new = (struct compiler *) xmalloc (sizeof (struct compiler)); |
4672 | new->suffix = cp->suffix; | |
4c9a05bc RK |
4673 | bcopy ((char *) lookup_compiler (NULL_PTR, 0, language)->spec, |
4674 | (char *) new->spec, sizeof new->spec); | |
ed1f651b RS |
4675 | return new; |
4676 | } | |
4677 | /* A non-alias entry: return it. */ | |
4678 | return cp; | |
4679 | } | |
4680 | } | |
4681 | ||
4682 | return 0; | |
4683 | } | |
4684 | \f | |
4685 | char * | |
4686 | xmalloc (size) | |
4687 | unsigned size; | |
4688 | { | |
4689 | register char *value = (char *) malloc (size); | |
4690 | if (value == 0) | |
4691 | fatal ("virtual memory exhausted"); | |
4692 | return value; | |
4693 | } | |
4694 | ||
4695 | char * | |
4696 | xrealloc (ptr, size) | |
4697 | char *ptr; | |
4698 | unsigned size; | |
4699 | { | |
4700 | register char *value = (char *) realloc (ptr, size); | |
4701 | if (value == 0) | |
4702 | fatal ("virtual memory exhausted"); | |
4703 | return value; | |
4704 | } | |
4705 | ||
48ff801b | 4706 | /* Return a newly-allocated string whose contents concatenate those of s1, s2 */ |
ed1f651b RS |
4707 | |
4708 | static char * | |
48ff801b RK |
4709 | concat (s1, s2) |
4710 | char *s1, *s2; | |
ed1f651b | 4711 | { |
48ff801b RK |
4712 | int len1 = strlen (s1); |
4713 | int len2 = strlen (s2); | |
4714 | char *result = xmalloc (len1 + len2 + 1); | |
ed1f651b RS |
4715 | |
4716 | strcpy (result, s1); | |
4717 | strcpy (result + len1, s2); | |
48ff801b | 4718 | *(result + len1 + len2) = 0; |
ed1f651b RS |
4719 | |
4720 | return result; | |
4721 | } | |
4722 | ||
48ff801b RK |
4723 | static char * |
4724 | concat3 (s1, s2, s3) | |
4725 | char *s1, *s2, *s3; | |
4726 | { | |
4727 | return concat (concat (s1, s2), s3); | |
4728 | } | |
4729 | ||
4730 | static char * | |
4731 | concat4 (s1, s2, s3, s4) | |
4732 | char *s1, *s2, *s3, *s4; | |
4733 | { | |
4734 | return concat (concat (s1, s2), concat (s3, s4)); | |
4735 | } | |
4736 | ||
4737 | static char * | |
4738 | concat6 (s1, s2, s3, s4, s5, s6) | |
4739 | char *s1, *s2, *s3, *s4, *s5, *s6; | |
4740 | { | |
4741 | return concat3 (concat (s1, s2), concat (s3, s4), concat (s5, s6)); | |
4742 | } | |
4743 | ||
ed1f651b RS |
4744 | static char * |
4745 | save_string (s, len) | |
4746 | char *s; | |
4747 | int len; | |
4748 | { | |
4749 | register char *result = xmalloc (len + 1); | |
4750 | ||
4751 | bcopy (s, result, len); | |
4752 | result[len] = 0; | |
4753 | return result; | |
4754 | } | |
4755 | ||
4756 | static void | |
4757 | pfatal_with_name (name) | |
4758 | char *name; | |
4759 | { | |
c6b51be9 | 4760 | fatal ("%s: %s", name, my_strerror (errno)); |
ed1f651b RS |
4761 | } |
4762 | ||
4763 | static void | |
4764 | perror_with_name (name) | |
4765 | char *name; | |
4766 | { | |
c6b51be9 | 4767 | error ("%s: %s", name, my_strerror (errno)); |
ed1f651b RS |
4768 | } |
4769 | ||
4770 | static void | |
4771 | perror_exec (name) | |
4772 | char *name; | |
4773 | { | |
c6b51be9 RK |
4774 | error ("installation problem, cannot exec `%s': %s", |
4775 | name, my_strerror (errno)); | |
ed1f651b RS |
4776 | } |
4777 | ||
4778 | /* More 'friendly' abort that prints the line and file. | |
4779 | config.h can #define abort fancy_abort if you like that sort of thing. */ | |
4780 | ||
4781 | void | |
4782 | fancy_abort () | |
4783 | { | |
4784 | fatal ("Internal gcc abort."); | |
4785 | } | |
4786 | \f | |
4787 | #ifdef HAVE_VPRINTF | |
4788 | ||
4789 | /* Output an error message and exit */ | |
4790 | ||
4791 | static void | |
4f90e4a0 | 4792 | fatal VPROTO((char *format, ...)) |
ed1f651b | 4793 | { |
4f90e4a0 | 4794 | #ifndef __STDC__ |
ed1f651b | 4795 | char *format; |
4f90e4a0 RK |
4796 | #endif |
4797 | va_list ap; | |
4798 | ||
4799 | VA_START (ap, format); | |
4800 | ||
4801 | #ifndef __STDC__ | |
4802 | format = va_arg (ap, char*); | |
4803 | #endif | |
ed1f651b | 4804 | |
ed1f651b RS |
4805 | fprintf (stderr, "%s: ", programname); |
4806 | vfprintf (stderr, format, ap); | |
4807 | va_end (ap); | |
4808 | fprintf (stderr, "\n"); | |
4809 | delete_temp_files (); | |
4810 | exit (1); | |
4811 | } | |
4812 | ||
4813 | static void | |
4f90e4a0 | 4814 | error VPROTO((char *format, ...)) |
ed1f651b | 4815 | { |
4f90e4a0 | 4816 | #ifndef __STDC__ |
ed1f651b | 4817 | char *format; |
4f90e4a0 RK |
4818 | #endif |
4819 | va_list ap; | |
4820 | ||
4821 | VA_START (ap, format); | |
4822 | ||
4823 | #ifndef __STDC__ | |
4824 | format = va_arg (ap, char*); | |
4825 | #endif | |
ed1f651b | 4826 | |
ed1f651b RS |
4827 | fprintf (stderr, "%s: ", programname); |
4828 | vfprintf (stderr, format, ap); | |
4829 | va_end (ap); | |
4830 | ||
4831 | fprintf (stderr, "\n"); | |
4832 | } | |
4833 | ||
4834 | #else /* not HAVE_VPRINTF */ | |
4835 | ||
4836 | static void | |
4837 | fatal (msg, arg1, arg2) | |
4838 | char *msg, *arg1, *arg2; | |
4839 | { | |
4840 | error (msg, arg1, arg2); | |
4841 | delete_temp_files (); | |
4842 | exit (1); | |
4843 | } | |
4844 | ||
4845 | static void | |
4846 | error (msg, arg1, arg2) | |
4847 | char *msg, *arg1, *arg2; | |
4848 | { | |
4849 | fprintf (stderr, "%s: ", programname); | |
4850 | fprintf (stderr, msg, arg1, arg2); | |
4851 | fprintf (stderr, "\n"); | |
4852 | } | |
4853 | ||
4854 | #endif /* not HAVE_VPRINTF */ | |
4855 | ||
4856 | \f | |
4857 | static void | |
4858 | validate_all_switches () | |
4859 | { | |
4860 | struct compiler *comp; | |
4861 | register char *p; | |
4862 | register char c; | |
b3865ca9 | 4863 | struct spec_list *spec; |
ed1f651b | 4864 | |
ec32609a | 4865 | for (comp = compilers; comp->spec[0]; comp++) |
ed1f651b | 4866 | { |
ec32609a | 4867 | int i; |
20eec2c2 | 4868 | for (i = 0; i < sizeof comp->spec / sizeof comp->spec[0] && comp->spec[i]; i++) |
ec32609a RS |
4869 | { |
4870 | p = comp->spec[i]; | |
4871 | while (c = *p++) | |
4872 | if (c == '%' && *p == '{') | |
4873 | /* We have a switch spec. */ | |
4874 | validate_switches (p + 1); | |
4875 | } | |
ed1f651b RS |
4876 | } |
4877 | ||
b3865ca9 | 4878 | /* look through the linked list of extra specs read from the specs file */ |
ec32609a | 4879 | for (spec = specs; spec ; spec = spec->next) |
b3865ca9 RS |
4880 | { |
4881 | p = spec->spec; | |
4882 | while (c = *p++) | |
4883 | if (c == '%' && *p == '{') | |
4884 | /* We have a switch spec. */ | |
4885 | validate_switches (p + 1); | |
4886 | } | |
4887 | ||
ed1f651b RS |
4888 | p = link_command_spec; |
4889 | while (c = *p++) | |
4890 | if (c == '%' && *p == '{') | |
4891 | /* We have a switch spec. */ | |
4892 | validate_switches (p + 1); | |
4893 | ||
4894 | /* Now notice switches mentioned in the machine-specific specs. */ | |
4895 | ||
4896 | p = asm_spec; | |
4897 | while (c = *p++) | |
4898 | if (c == '%' && *p == '{') | |
4899 | /* We have a switch spec. */ | |
4900 | validate_switches (p + 1); | |
4901 | ||
4902 | p = asm_final_spec; | |
4903 | while (c = *p++) | |
4904 | if (c == '%' && *p == '{') | |
4905 | /* We have a switch spec. */ | |
4906 | validate_switches (p + 1); | |
4907 | ||
4908 | p = cpp_spec; | |
4909 | while (c = *p++) | |
4910 | if (c == '%' && *p == '{') | |
4911 | /* We have a switch spec. */ | |
4912 | validate_switches (p + 1); | |
4913 | ||
4914 | p = signed_char_spec; | |
4915 | while (c = *p++) | |
4916 | if (c == '%' && *p == '{') | |
4917 | /* We have a switch spec. */ | |
4918 | validate_switches (p + 1); | |
4919 | ||
4920 | p = cc1_spec; | |
4921 | while (c = *p++) | |
4922 | if (c == '%' && *p == '{') | |
4923 | /* We have a switch spec. */ | |
4924 | validate_switches (p + 1); | |
4925 | ||
4926 | p = cc1plus_spec; | |
4927 | while (c = *p++) | |
4928 | if (c == '%' && *p == '{') | |
4929 | /* We have a switch spec. */ | |
4930 | validate_switches (p + 1); | |
4931 | ||
4932 | p = link_spec; | |
4933 | while (c = *p++) | |
4934 | if (c == '%' && *p == '{') | |
4935 | /* We have a switch spec. */ | |
4936 | validate_switches (p + 1); | |
4937 | ||
4938 | p = lib_spec; | |
4939 | while (c = *p++) | |
4940 | if (c == '%' && *p == '{') | |
4941 | /* We have a switch spec. */ | |
4942 | validate_switches (p + 1); | |
4943 | ||
68d69835 JM |
4944 | p = libgcc_spec; |
4945 | while (c = *p++) | |
4946 | if (c == '%' && *p == '{') | |
4947 | /* We have a switch spec. */ | |
4948 | validate_switches (p + 1); | |
4949 | ||
ed1f651b RS |
4950 | p = startfile_spec; |
4951 | while (c = *p++) | |
4952 | if (c == '%' && *p == '{') | |
4953 | /* We have a switch spec. */ | |
4954 | validate_switches (p + 1); | |
4955 | } | |
4956 | ||
4957 | /* Look at the switch-name that comes after START | |
4958 | and mark as valid all supplied switches that match it. */ | |
4959 | ||
4960 | static void | |
4961 | validate_switches (start) | |
4962 | char *start; | |
4963 | { | |
4964 | register char *p = start; | |
4965 | char *filter; | |
4966 | register int i; | |
4967 | int suffix = 0; | |
4968 | ||
4969 | if (*p == '|') | |
4970 | ++p; | |
4971 | ||
4972 | if (*p == '!') | |
4973 | ++p; | |
4974 | ||
4975 | if (*p == '.') | |
4976 | suffix = 1, ++p; | |
4977 | ||
4978 | filter = p; | |
4979 | while (*p != ':' && *p != '}') p++; | |
4980 | ||
4981 | if (suffix) | |
4982 | ; | |
4983 | else if (p[-1] == '*') | |
4984 | { | |
4985 | /* Mark all matching switches as valid. */ | |
4986 | --p; | |
4987 | for (i = 0; i < n_switches; i++) | |
4988 | if (!strncmp (switches[i].part1, filter, p - filter)) | |
4989 | switches[i].valid = 1; | |
4990 | } | |
4991 | else | |
4992 | { | |
4993 | /* Mark an exact matching switch as valid. */ | |
4994 | for (i = 0; i < n_switches; i++) | |
4995 | { | |
4996 | if (!strncmp (switches[i].part1, filter, p - filter) | |
4997 | && switches[i].part1[p - filter] == 0) | |
4998 | switches[i].valid = 1; | |
4999 | } | |
5000 | } | |
5001 | } | |
60103a34 DE |
5002 | \f |
5003 | /* Check whether a particular argument was used. */ | |
5004 | ||
5005 | static int | |
5006 | used_arg (p, len) | |
5007 | char *p; | |
5008 | int len; | |
5009 | { | |
5010 | int i; | |
5011 | ||
5012 | for (i = 0; i < n_switches; i++) | |
5013 | if (! strncmp (switches[i].part1, p, len) | |
5014 | && strlen (switches[i].part1) == len) | |
5015 | return 1; | |
5016 | return 0; | |
5017 | } | |
5018 | ||
03c42484 RK |
5019 | /* Check whether a particular argument is a default argument. */ |
5020 | ||
5021 | #ifndef MULTILIB_DEFAULTS | |
5022 | #define MULTILIB_DEFAULTS { NULL } | |
5023 | #endif | |
5024 | ||
5025 | static char *multilib_defaults[] = MULTILIB_DEFAULTS; | |
5026 | ||
5027 | static int | |
5028 | default_arg (p, len) | |
5029 | char *p; | |
5030 | int len; | |
5031 | { | |
5032 | int count = sizeof multilib_defaults / sizeof multilib_defaults[0]; | |
5033 | int i; | |
5034 | ||
5035 | for (i = 0; i < count; i++) | |
5036 | if (multilib_defaults[i] != NULL | |
5037 | && strncmp (multilib_defaults[i], p, len) == 0 | |
5038 | && multilib_defaults[i][len] == '\0') | |
5039 | return 1; | |
5040 | ||
5041 | return 0; | |
5042 | } | |
5043 | ||
60103a34 DE |
5044 | /* Work out the subdirectory to use based on the |
5045 | options. The format of multilib_select is a list of elements. | |
5046 | Each element is a subdirectory name followed by a list of options | |
5047 | followed by a semicolon. gcc will consider each line in turn. If | |
5048 | none of the options beginning with an exclamation point are | |
5049 | present, and all of the other options are present, that | |
5050 | subdirectory will be used. */ | |
5051 | ||
5052 | static void | |
5053 | set_multilib_dir () | |
5054 | { | |
5055 | char *p = multilib_select; | |
5056 | int this_path_len; | |
5057 | char *this_path, *this_arg; | |
03c42484 RK |
5058 | int not_arg; |
5059 | int ok; | |
60103a34 DE |
5060 | |
5061 | while (*p != '\0') | |
5062 | { | |
5063 | /* Ignore newlines. */ | |
5064 | if (*p == '\n') | |
5065 | { | |
5066 | ++p; | |
5067 | continue; | |
5068 | } | |
5069 | ||
5070 | /* Get the initial path. */ | |
5071 | this_path = p; | |
5072 | while (*p != ' ') | |
5073 | { | |
5074 | if (*p == '\0') | |
5075 | abort (); | |
5076 | ++p; | |
5077 | } | |
5078 | this_path_len = p - this_path; | |
5079 | ||
5080 | /* Check the arguments. */ | |
03c42484 | 5081 | ok = 1; |
60103a34 DE |
5082 | ++p; |
5083 | while (*p != ';') | |
5084 | { | |
5085 | if (*p == '\0') | |
5086 | abort (); | |
5087 | ||
03c42484 | 5088 | if (! ok) |
60103a34 DE |
5089 | { |
5090 | ++p; | |
5091 | continue; | |
5092 | } | |
5093 | ||
5094 | this_arg = p; | |
5095 | while (*p != ' ' && *p != ';') | |
5096 | { | |
5097 | if (*p == '\0') | |
5098 | abort (); | |
5099 | ++p; | |
5100 | } | |
5101 | ||
03c42484 RK |
5102 | if (*this_arg != '!') |
5103 | not_arg = 0; | |
60103a34 | 5104 | else |
03c42484 RK |
5105 | { |
5106 | not_arg = 1; | |
5107 | ++this_arg; | |
5108 | } | |
5109 | ||
5110 | /* If this is a default argument, we can just ignore it. | |
5111 | This is true even if this_arg begins with '!'. Beginning | |
5112 | with '!' does not mean that this argument is necessarily | |
5113 | inappropriate for this library: it merely means that | |
5114 | there is a more specific library which uses this | |
5115 | argument. If this argument is a default, we need not | |
5116 | consider that more specific library. */ | |
5117 | if (! default_arg (this_arg, p - this_arg)) | |
5118 | { | |
5119 | ok = used_arg (this_arg, p - this_arg); | |
5120 | if (not_arg) | |
5121 | ok = ! ok; | |
5122 | } | |
60103a34 DE |
5123 | |
5124 | if (*p == ' ') | |
5125 | ++p; | |
5126 | } | |
5127 | ||
03c42484 | 5128 | if (ok) |
60103a34 DE |
5129 | { |
5130 | if (this_path_len != 1 | |
5131 | || this_path[0] != '.') | |
5132 | { | |
5133 | multilib_dir = xmalloc (this_path_len + 1); | |
5134 | strncpy (multilib_dir, this_path, this_path_len); | |
5135 | multilib_dir[this_path_len] = '\0'; | |
5136 | } | |
5137 | break; | |
5138 | } | |
5139 | ||
5140 | ++p; | |
5141 | } | |
5142 | } | |
5143 | ||
5144 | /* Print out the multiple library subdirectory selection | |
5145 | information. This prints out a series of lines. Each line looks | |
5146 | like SUBDIRECTORY;@OPTION@OPTION, with as many options as is | |
5147 | required. Only the desired options are printed out, the negative | |
5148 | matches. The options are print without a leading dash. There are | |
5149 | no spaces to make it easy to use the information in the shell. | |
5150 | Each subdirectory is printed only once. This assumes the ordering | |
5151 | generated by the genmultilib script. */ | |
5152 | ||
5153 | static void | |
5154 | print_multilib_info () | |
5155 | { | |
5156 | char *p = multilib_select; | |
665bf351 | 5157 | char *last_path = 0, *this_path; |
03c42484 | 5158 | int skip; |
0d6fc1be | 5159 | int last_path_len = 0; |
60103a34 DE |
5160 | |
5161 | while (*p != '\0') | |
5162 | { | |
5163 | /* Ignore newlines. */ | |
5164 | if (*p == '\n') | |
5165 | { | |
5166 | ++p; | |
5167 | continue; | |
5168 | } | |
5169 | ||
5170 | /* Get the initial path. */ | |
5171 | this_path = p; | |
5172 | while (*p != ' ') | |
5173 | { | |
5174 | if (*p == '\0') | |
5175 | abort (); | |
5176 | ++p; | |
5177 | } | |
5178 | ||
5179 | /* If this is a duplicate, skip it. */ | |
665bf351 | 5180 | skip = (last_path != 0 && p - this_path == last_path_len |
60103a34 DE |
5181 | && ! strncmp (last_path, this_path, last_path_len)); |
5182 | ||
5183 | last_path = this_path; | |
5184 | last_path_len = p - this_path; | |
5185 | ||
03c42484 RK |
5186 | /* If this directory requires any default arguments, we can skip |
5187 | it. We will already have printed a directory identical to | |
5188 | this one which does not require that default argument. */ | |
5189 | if (! skip) | |
5190 | { | |
5191 | char *q; | |
5192 | ||
5193 | q = p + 1; | |
5194 | while (*q != ';') | |
5195 | { | |
5196 | char *arg; | |
5197 | ||
5198 | if (*q == '\0') | |
5199 | abort (); | |
5200 | ||
5201 | if (*q == '!') | |
5202 | arg = NULL; | |
5203 | else | |
5204 | arg = q; | |
5205 | ||
5206 | while (*q != ' ' && *q != ';') | |
5207 | { | |
5208 | if (*q == '\0') | |
5209 | abort (); | |
5210 | ++q; | |
5211 | } | |
5212 | ||
5213 | if (arg != NULL | |
5214 | && default_arg (arg, q - arg)) | |
5215 | { | |
5216 | skip = 1; | |
5217 | break; | |
5218 | } | |
5219 | ||
5220 | if (*q == ' ') | |
5221 | ++q; | |
5222 | } | |
5223 | } | |
5224 | ||
60103a34 DE |
5225 | if (! skip) |
5226 | { | |
5227 | char *p1; | |
5228 | ||
5229 | for (p1 = last_path; p1 < p; p1++) | |
5230 | putchar (*p1); | |
5231 | putchar (';'); | |
5232 | } | |
5233 | ||
5234 | ++p; | |
5235 | while (*p != ';') | |
5236 | { | |
5237 | int use_arg; | |
5238 | ||
5239 | if (*p == '\0') | |
5240 | abort (); | |
5241 | ||
5242 | if (skip) | |
5243 | { | |
5244 | ++p; | |
5245 | continue; | |
5246 | } | |
5247 | ||
5248 | use_arg = *p != '!'; | |
5249 | ||
5250 | if (use_arg) | |
5251 | putchar ('@'); | |
5252 | ||
5253 | while (*p != ' ' && *p != ';') | |
5254 | { | |
5255 | if (*p == '\0') | |
5256 | abort (); | |
5257 | if (use_arg) | |
5258 | putchar (*p); | |
5259 | ++p; | |
5260 | } | |
5261 | ||
5262 | if (*p == ' ') | |
5263 | ++p; | |
5264 | } | |
5265 | ||
5266 | if (! skip) | |
5267 | putchar ('\n'); | |
5268 | ||
5269 | ++p; | |
5270 | } | |
5271 | } |