diff options
Diffstat (limited to 'main/gcc/005_all_gcc-spec-env.patch')
| -rw-r--r-- | main/gcc/005_all_gcc-spec-env.patch | 87 |
1 files changed, 87 insertions, 0 deletions
diff --git a/main/gcc/005_all_gcc-spec-env.patch b/main/gcc/005_all_gcc-spec-env.patch new file mode 100644 index 000000000..214638e1f --- /dev/null +++ b/main/gcc/005_all_gcc-spec-env.patch @@ -0,0 +1,87 @@ +2013-08-22 Magnus Granberg <zorry@gentoo.org> + + * gcc/gcc.c (main): Add support for external spec file via the GCC_SPECS env var + and move the process of the user specifed specs. + + 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 + Modified to process the GCC_SPECS env var befor DRIVER_SELF_SPECS by Magnus Granberg + +--- a/gcc/gcc.c ++++ b/gcc/gcc.c +@@ -6427,6 +6428,48 @@ main (int argc, char **argv) + do_option_spec (option_default_specs[i].name, + option_default_specs[i].spec); + ++#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 ++ /* Process any user specified specs in the order given on the command ++ * line. */ ++ for (struct user_specs *uptr = user_specs_head; uptr; uptr = uptr->next) ++ { ++ char *filename = find_a_file (&startfile_prefixes, uptr->filename, ++ R_OK, true); ++ read_specs (filename ? filename : uptr->filename, false, true); ++ } ++ /* Process any user self specs. */ ++ { ++ struct spec_list *sl; ++ for (sl = specs; sl; sl = sl->next) ++ if (sl->name_len == sizeof "self_spec" - 1 ++ && !strcmp (sl->name, "self_spec")) ++ do_self_spec (*sl->ptr_spec); ++ } ++ + /* Process DRIVER_SELF_SPECS, adding any new options to the end + of the command line. */ + +@@ -6535,24 +6578,6 @@ main (int argc, char **argv) + PREFIX_PRIORITY_LAST, 0, 1); + } + +- /* Process any user specified specs in the order given on the command +- line. */ +- for (struct user_specs *uptr = user_specs_head; uptr; uptr = uptr->next) +- { +- char *filename = find_a_file (&startfile_prefixes, uptr->filename, +- R_OK, true); +- read_specs (filename ? filename : uptr->filename, false, true); +- } +- +- /* Process any user self specs. */ +- { +- struct spec_list *sl; +- for (sl = specs; sl; sl = sl->next) +- if (sl->name_len == sizeof "self_spec" - 1 +- && !strcmp (sl->name, "self_spec")) +- do_self_spec (*sl->ptr_spec); +- } +- + if (compare_debug) + { + enum save_temps save; |