From 2741c168fe3233672658d8e1d0f89da9b8ac9fdc Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Ludovic=20Court=C3=A8s?= <ludo@gnu.org>
Date: Sat, 12 Nov 2011 23:55:35 +0000
Subject: [PATCH] GCC 4.5: Provide the right system include directory on
 GNU/Hurd.

svn path=/nixpkgs/trunk/; revision=30400
---
 pkgs/development/compilers/gcc-4.5/default.nix | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/pkgs/development/compilers/gcc-4.5/default.nix b/pkgs/development/compilers/gcc-4.5/default.nix
index 19efa57af8e..b3bd431fbc9 100644
--- a/pkgs/development/compilers/gcc-4.5/default.nix
+++ b/pkgs/development/compilers/gcc-4.5/default.nix
@@ -175,6 +175,12 @@ stdenv.mkDerivation ({
            echo "augmenting \`LIB_SPEC' in \`${gnu_h}' with \`${extraLibSpec}'..."
            sed -i "${gnu_h}" \
                -es'|LIB_SPEC *"\(.*\)$|LIB_SPEC "${extraLibSpec} \1|g'
+
+           echo "setting \`NATIVE_SYSTEM_HEADER_DIR' and \`STANDARD_INCLUDE_DIR' to \`${libc}/include'..."
+           sed -i "${gnu_h}" \
+               -es'|#define STANDARD_INCLUDE_DIR.*$|#define STANDARD_INCLUDE_DIR "${libc}/include"|g'
+           sed -i gcc/config/t-gnu \
+               -es'|NATIVE_SYSTEM_HEADER_DIR.*$|NATIVE_SYSTEM_HEADER_DIR = ${libc}/include|g'
         ''
     else if cross != null || stdenv.gcc.libc != null then
       # On NixOS, use the right path to the dynamic linker instead of