patches/gcc/4.4.7/150-default-fortify-source.patch
changeset 2944 8bddd94e068b
parent 2406 95e0c248d257
     1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/patches/gcc/4.4.7/150-default-fortify-source.patch	Fri Mar 23 01:36:42 2012 -0700
     1.3 @@ -0,0 +1,26 @@
     1.4 +diff -durN gcc-4.4.5.orig/gcc/doc/invoke.texi gcc-4.4.5/gcc/doc/invoke.texi
     1.5 +--- gcc-4.4.5.orig/gcc/doc/invoke.texi	2010-10-09 22:59:03.000000000 +0200
     1.6 ++++ gcc-4.4.5/gcc/doc/invoke.texi	2010-10-09 22:59:33.000000000 +0200
     1.7 +@@ -5432,6 +5432,11 @@
     1.8 + Please note the warning under @option{-fgcse} about
     1.9 + invoking @option{-O2} on programs that use computed gotos.
    1.10 + 
    1.11 ++NOTE: In Gentoo, @option{-D_FORTIFY_SOURCE=2} is set by default, and is
    1.12 ++activated when @option{-O} is set to 2 or higher.  This enables additional
    1.13 ++compile-time and run-time checks for several libc functions.  To disable,
    1.14 ++specify either @option{-U_FORTIFY_SOURCE} or @option{-D_FORTIFY_SOURCE=0}.
    1.15 ++
    1.16 + @item -O3
    1.17 + @opindex O3
    1.18 + Optimize yet more.  @option{-O3} turns on all optimizations specified
    1.19 +diff -durN gcc-4.4.5.orig/gcc/gcc.c gcc-4.4.5/gcc/gcc.c
    1.20 +--- gcc-4.4.5.orig/gcc/gcc.c	2010-01-09 01:05:06.000000000 +0100
    1.21 ++++ gcc-4.4.5/gcc/gcc.c	2010-10-09 22:59:33.000000000 +0200
    1.22 +@@ -807,6 +807,7 @@
    1.23 +  %{H} %C %{D*&U*&A*} %{i*} %Z %i\
    1.24 +  %{fmudflap:-D_MUDFLAP -include mf-runtime.h}\
    1.25 +  %{fmudflapth:-D_MUDFLAP -D_MUDFLAPTH -include mf-runtime.h}\
    1.26 ++ %{!D_FORTIFY_SOURCE:%{!D_FORTIFY_SOURCE=*:%{!U_FORTIFY_SOURCE:-D_FORTIFY_SOURCE=2}}}\
    1.27 +  %{E|M|MM:%W{o*}}";
    1.28 + 
    1.29 + /* This contains cpp options which are common with cc1_options and are passed