diff options
Diffstat (limited to 'patches/gcc/4.4.7/150-default-fortify-source.patch')
| -rw-r--r-- | patches/gcc/4.4.7/150-default-fortify-source.patch | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/patches/gcc/4.4.7/150-default-fortify-source.patch b/patches/gcc/4.4.7/150-default-fortify-source.patch new file mode 100644 index 00000000..ad5a7e8a --- /dev/null +++ b/patches/gcc/4.4.7/150-default-fortify-source.patch @@ -0,0 +1,26 @@ +diff -durN gcc-4.4.5.orig/gcc/doc/invoke.texi gcc-4.4.5/gcc/doc/invoke.texi +--- gcc-4.4.5.orig/gcc/doc/invoke.texi 2010-10-09 22:59:03.000000000 +0200 ++++ gcc-4.4.5/gcc/doc/invoke.texi 2010-10-09 22:59:33.000000000 +0200 +@@ -5432,6 +5432,11 @@ + Please note the warning under @option{-fgcse} about + invoking @option{-O2} on programs that use computed gotos. + ++NOTE: In Gentoo, @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 +diff -durN gcc-4.4.5.orig/gcc/gcc.c gcc-4.4.5/gcc/gcc.c +--- gcc-4.4.5.orig/gcc/gcc.c 2010-01-09 01:05:06.000000000 +0100 ++++ gcc-4.4.5/gcc/gcc.c 2010-10-09 22:59:33.000000000 +0200 +@@ -807,6 +807,7 @@ + %{H} %C %{D*&U*&A*} %{i*} %Z %i\ + %{fmudflap:-D_MUDFLAP -include mf-runtime.h}\ + %{fmudflapth:-D_MUDFLAP -D_MUDFLAPTH -include mf-runtime.h}\ ++ %{!D_FORTIFY_SOURCE:%{!D_FORTIFY_SOURCE=*:%{!U_FORTIFY_SOURCE:-D_FORTIFY_SOURCE=2}}}\ + %{E|M|MM:%W{o*}}"; + + /* This contains cpp options which are common with cc1_options and are passed |