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- Add support for external spec file via the GCC_SPECS env var. This
- allows us to easily control pie/ssp defaults with gcc-config profiles.
- Original patch by Rob Holland
- Extended to support multiple entries separated by ':' by Kevin F. Quinn
- Modified to use getenv instead of poisoned GET_ENVIRONMENT by Ryan Hill
- --- gcc-4/gcc/gcc.c
- +++ gcc-4/gcc/gcc.c
- @@ -6482,6 +6482,32 @@
-
- /* Process any user specified specs in the order given on the command
- line. */
- +#if !(defined (__MSDOS__) || defined (OS2) || defined (VMS) || defined (WIN32))
- + /* Add specs listed in GCC_SPECS. Note; in the process of separating
- + * each spec listed, the string is overwritten at token boundaries
- + * (':') with '\0', an effect of strtok_r().
- + */
- + specs_file = getenv ("GCC_SPECS");
- + if (specs_file && (strlen(specs_file) > 0))
- + {
- + char *spec, *saveptr;
- + for (spec=strtok_r(specs_file,":",&saveptr);
- + spec!=NULL;
- + spec=strtok_r(NULL,":",&saveptr))
- + {
- + struct user_specs *user = (struct user_specs *)
- + xmalloc (sizeof (struct user_specs));
- +
- + user->next = (struct user_specs *) 0;
- + user->filename = spec;
- + if (user_specs_tail)
- + user_specs_tail->next = user;
- + else
- + user_specs_head = user;
- + user_specs_tail = user;
- + }
- + }
- +#endif
- for (uptr = user_specs_head; uptr; uptr = uptr->next)
- {
- char *filename = find_a_file (&startfile_prefixes, uptr->filename,
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