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patches/gcc/4.4.4/150-default-fortify-source.patch
author "Yann E. MORIN" <yann.morin.1998@anciens.enib.fr>
Sun Jul 10 00:02:05 2011 +0200 (2011-07-10)
branch1.11
changeset 2556 1c0580ebdf9d
parent 1948 d341be24dc68
permissions -rw-r--r--
scripts: on startup, also remove the buildtools dir

In case there's one lingering around (whether the previous build was
successful, or failed), we have to remove the buildtools directory
as well as the toochain build dir.

This should also fix the case where out makeinfo wrapper calls
itself recursively.

Signed-off-by: "Yann E. MORIN" <yann.morin.1998@anciens.enib.fr>
(transplanted from 0e8ff57073838afea8830fe09d1d01cdf7cb37d8) 
     1 diff -durN gcc-4.4.4.orig/gcc/doc/invoke.texi gcc-4.4.4/gcc/doc/invoke.texi

     2 --- gcc-4.4.4.orig/gcc/doc/invoke.texi	2010-05-16 19:11:21.000000000 +0200

     3 +++ gcc-4.4.4/gcc/doc/invoke.texi	2010-05-16 19:11:30.000000000 +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-4.4.4.orig/gcc/gcc.c gcc-4.4.4/gcc/gcc.c

    17 --- gcc-4.4.4.orig/gcc/gcc.c	2010-01-09 01:05:06.000000000 +0100

    18 +++ gcc-4.4.4/gcc/gcc.c	2010-05-16 19:11:30.000000000 +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
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