diff options
Diffstat (limited to 'system/gcc/003_all_default-fortify-source.patch')
-rw-r--r-- | system/gcc/003_all_default-fortify-source.patch | 40 |
1 files changed, 0 insertions, 40 deletions
diff --git a/system/gcc/003_all_default-fortify-source.patch b/system/gcc/003_all_default-fortify-source.patch deleted file mode 100644 index 6ca803343..000000000 --- a/system/gcc/003_all_default-fortify-source.patch +++ /dev/null @@ -1,40 +0,0 @@ -# DP: Turn on -D_FORTIFY_SOURCE=2 by default for C, C++, ObjC, ObjC++, -# DP: if the optimization level is > 0 - ---- - gcc/doc/invoke.texi | 6 ++++++ - gcc/c-family/c-cppbuiltin.c | 3 + - 2 files changed, 9 insertions(+), 0 deletions(-) - -Index: b/gcc/doc/invoke.texi -=================================================================== ---- a/gcc/doc/invoke.texi -+++ b/gcc/doc/invoke.texi -@@ -7840,6 +7840,12 @@ also turns on the following optimization - Please note the warning under @option{-fgcse} about - invoking @option{-O2} on programs that use computed gotos. - -+NOTE: In Alpine Linux, @option{-D_FORTIFY_SOURCE=2} is -+set by default, and is activated when @option{-O} is set to 2 or higher. -+This enables additional compile-time and run-time checks for several libc -+functions. To disable, specify either @option{-U_FORTIFY_SOURCE} or -+@option{-D_FORTIFY_SOURCE=0}. -+ - @item -O3 - @opindex O3 - Optimize yet more. @option{-O3} turns on all optimizations specified -Index: b/gcc/c-family/c-cppbuiltin.c -=================================================================== ---- a/gcc/c-family/c-cppbuiltin.c -+++ b/gcc/c-family/c-cppbuiltin.c -@@ -1176,6 +1176,10 @@ 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 for optimization levels > 0 */ -+ if (optimize) -+ builtin_define_with_int_value ("_FORTIFY_SOURCE", 2); -+ - /* Misc. */ - if (flag_gnu89_inline) - cpp_define (pfile, "__GNUC_GNU_INLINE__"); |