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| author | Timo Teräs <timo.teras@iki.fi> | 2015-06-02 08:56:31 +0000 |
|---|---|---|
| committer | Natanael Copa <ncopa@alpinelinux.org> | 2015-06-05 13:47:16 +0000 |
| commit | 6e1b72b5cd3e62bb418efaae68bd0f50d7391700 (patch) | |
| tree | 8f802657da946121b31af0df7f917e365afc8a4e /main/gcc/010_all_default-fortify-source.patch | |
| parent | 6dd6cf5392171bfaaf099e04f774373ff9f486d9 (diff) | |
| download | aports-6e1b72b5cd3e62bb418efaae68bd0f50d7391700.tar.bz2 aports-6e1b72b5cd3e62bb418efaae68bd0f50d7391700.tar.xz | |
main/gcc: upgrade to gcc 5.1.0
Diffstat (limited to 'main/gcc/010_all_default-fortify-source.patch')
| -rw-r--r-- | main/gcc/010_all_default-fortify-source.patch | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/main/gcc/010_all_default-fortify-source.patch b/main/gcc/010_all_default-fortify-source.patch new file mode 100644 index 0000000000..ad2f2b1c26 --- /dev/null +++ b/main/gcc/010_all_default-fortify-source.patch @@ -0,0 +1,29 @@ +Enable -D_FORTIFY_SOURCE=2 by default. + + +--- a/gcc/c-family/c-cppbuiltin.c ++++ b/gcc/c-family/c-cppbuiltin.c +@@ -951,6 +951,9 @@ c_cpp_builtins (cpp_reader *pfile) + builtin_define_with_value ("__REGISTER_PREFIX__", REGISTER_PREFIX, 0); + builtin_define_with_value ("__USER_LABEL_PREFIX__", user_label_prefix, 0); + ++ /* Fortify Source enabled by default w/optimization. */ ++ cpp_define (pfile, "_FORTIFY_SOURCE=((defined __OPTIMIZE__ && __OPTIMIZE__ > 0) ? 2 : 0)"); ++ + /* Misc. */ + if (flag_gnu89_inline) + cpp_define (pfile, "__GNUC_GNU_INLINE__"); +--- a/gcc/doc/gcc.info ++++ b/gcc/doc/gcc.info +@@ -6255,6 +6255,11 @@ find out the exact set of optimizations that are enabled at each level. + Please note the warning under '-fgcse' about invoking '-O2' on + programs that use computed gotos. + ++ NOTE: In Gentoo, `-D_FORTIFY_SOURCE=2' is set by default, and is ++ activated when `-O' is set to 2 or higher. This enables additional ++ compile-time and run-time checks for several libc functions. To disable, ++ specify either `-U_FORTIFY_SOURCE' or `-D_FORTIFY_SOURCE=0'. ++ + '-O3' + Optimize yet more. '-O3' turns on all optimizations specified by + '-O2' and also turns on the '-finline-functions', |