diff options
Diffstat (limited to 'sys-devel/gcc/files/gcc-spec-env.patch')
| -rw-r--r-- | sys-devel/gcc/files/gcc-spec-env.patch | 42 |
1 files changed, 42 insertions, 0 deletions
diff --git a/sys-devel/gcc/files/gcc-spec-env.patch b/sys-devel/gcc/files/gcc-spec-env.patch new file mode 100644 index 000000000000..57e7567e5460 --- /dev/null +++ b/sys-devel/gcc/files/gcc-spec-env.patch @@ -0,0 +1,42 @@ + 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, |