patches/gcc/4.4.5/150-default-fortify-source.patch
author Michael Hope <michael.hope@linaro.org>
Wed Oct 05 14:15:45 2011 +1300 (2011-10-05)
changeset 2697 9cd87d279a99
permissions -rw-r--r--
Pass CXXFLAGS to binutils/gold.

The GOLD linker is written in C++. Pass CT_CFLAGS_FOR_HOST as
CXXFLAGS to configure so that any host specific flags are passed
through.

It feels a bit funny passing CFLAGS as CXXFLAGS, but the PPL and GCC
target rules already do the same.

Signed-off-by: Michael Hope <michael.hope@linaro.org>
     1 diff -durN gcc-4.4.5.orig/gcc/doc/invoke.texi gcc-4.4.5/gcc/doc/invoke.texi
     2 --- gcc-4.4.5.orig/gcc/doc/invoke.texi	2010-10-09 22:59:03.000000000 +0200
     3 +++ gcc-4.4.5/gcc/doc/invoke.texi	2010-10-09 22:59:33.000000000 +0200
     4 @@ -5432,6 +5432,11 @@
     5  Please note the warning under @option{-fgcse} about
     6  invoking @option{-O2} on programs that use computed gotos.
     7  
     8 +NOTE: In Gentoo, @option{-D_FORTIFY_SOURCE=2} is set by default, and is
     9 +activated when @option{-O} is set to 2 or higher.  This enables additional
    10 +compile-time and run-time checks for several libc functions.  To disable,
    11 +specify either @option{-U_FORTIFY_SOURCE} or @option{-D_FORTIFY_SOURCE=0}.
    12 +
    13  @item -O3
    14  @opindex O3
    15  Optimize yet more.  @option{-O3} turns on all optimizations specified
    16 diff -durN gcc-4.4.5.orig/gcc/gcc.c gcc-4.4.5/gcc/gcc.c
    17 --- gcc-4.4.5.orig/gcc/gcc.c	2010-01-09 01:05:06.000000000 +0100
    18 +++ gcc-4.4.5/gcc/gcc.c	2010-10-09 22:59:33.000000000 +0200
    19 @@ -807,6 +807,7 @@
    20   %{H} %C %{D*&U*&A*} %{i*} %Z %i\
    21   %{fmudflap:-D_MUDFLAP -include mf-runtime.h}\
    22   %{fmudflapth:-D_MUDFLAP -D_MUDFLAPTH -include mf-runtime.h}\
    23 + %{!D_FORTIFY_SOURCE:%{!D_FORTIFY_SOURCE=*:%{!U_FORTIFY_SOURCE:-D_FORTIFY_SOURCE=2}}}\
    24   %{E|M|MM:%W{o*}}";
    25  
    26  /* This contains cpp options which are common with cc1_options and are passed