net-im/emesene/files/sys-devel/gcc/files/gcc-spec-env.patch

   1     Add support for external spec file via the GCC_SPECS env var.  This
   2     allows us to easily control pie/ssp defaults with gcc-config profiles.
   3
   4     Original patch by Rob Holland.  Extended to support multiple
   5     entries separated by ':' by Kevin F. Quinn
   6
   7 --- gcc-4/gcc/gcc.c
   8 +++ gcc-4/gcc/gcc.c
   9 @@ -6482,6 +6482,32 @@
  10
  11    /* Process any user specified specs in the order given on the command
  12       line.  */
  13 +#if !(defined (__MSDOS__) || defined (OS2) || defined (VMS) || defined (WIN32))
  14 +  /* Add specs listed in GCC_SPECS.  Note; in the process of separating
  15 +   * each spec listed, the string is overwritten at token boundaries
  16 +   * (':') with '\0', an effect of strtok_r().
  17 +   */
  18 +  GET_ENVIRONMENT (specs_file, "GCC_SPECS");
  19 +  if (specs_file && (strlen(specs_file) > 0))
  20 +    {
  21 +      char *spec, *saveptr;
  22 +      for (spec=strtok_r(specs_file,":",&saveptr);
  23 +           spec!=NULL;
  24 +           spec=strtok_r(NULL,":",&saveptr))
  25 +        {
  26 +          struct user_specs *user = (struct user_specs *)
  27 +            xmalloc (sizeof (struct user_specs));
  28 +
  29 +          user->next = (struct user_specs *) 0;
  30 +          user->filename = spec;
  31 +          if (user_specs_tail)
  32 +            user_specs_tail->next = user;
  33 +          else
  34 +            user_specs_head = user;
  35 +          user_specs_tail = user;
  36 +        }
  37 +    }
  38 +#endif
  39    for (uptr = user_specs_head; uptr; uptr = uptr->next)
  40      {
  41        char *filename = find_a_file (&startfile_prefixes, uptr->filename,