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Add support for external spec file via the GCC_SPECS env var. This |
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Add support for external spec file via the GCC_SPECS env var. This |
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allows us to easily control pie/ssp defaults with gcc-config profiles. |
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allows us to easily control pie/ssp defaults with gcc-config profiles. |
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Original patch by Rob Holland. Extended to support multiple |
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Original patch by Rob Holland. Extended to support multiple |
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entries separated by ':' by Kevin F. Quinn |
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entries separated by ':' by Kevin F. Quinn |
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-- gcc-4/gcc/gcc.c |
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++ gcc-4/gcc/gcc.c |
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/* Process any user specified specs in the order given on the command |
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/* Process any user specified specs in the order given on the command |
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line. */ |
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line. */ |
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#if !(defined (__MSDOS__) || defined (OS2) || defined (VMS) || defined (WIN32)) |
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/* Add specs listed in GCC_SPECS. Note; in the process of separating |
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* each spec listed, the string is overwritten at token boundaries |
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* (':') with '\0', an effect of strtok_r(). |
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*/ |
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GET_ENVIRONMENT (specs_file, "GCC_SPECS"); |
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if (specs_file && (strlen(specs_file) > 0)) |
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{ |
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char *spec, *saveptr; |
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for (spec=strtok_r(specs_file,":",&saveptr); |
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spec!=NULL; |
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spec=strtok_r(NULL,":",&saveptr)) |
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{ |
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struct user_specs *user = (struct user_specs *) |
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xmalloc (sizeof (struct user_specs)); |
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user->next = (struct user_specs *) 0; |
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user->filename = spec; |
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if (user_specs_tail) |
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user_specs_tail->next = user; |
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else |
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user_specs_head = user; |
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user_specs_tail = user; |
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} |
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} |
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#endif |
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for (uptr = user_specs_head; uptr; uptr = uptr->next) |
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for (uptr = user_specs_head; uptr; uptr = uptr->next) |
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{ |
6512 |
{ |
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char *filename = find_a_file (&startfile_prefixes, uptr->filename, |
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char *filename = find_a_file (&startfile_prefixes, uptr->filename, |
