From 1ac274784ba5b3a2468f3a5def558b9e0c59d49e Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Ludovic=20Court=C3=A8s?= <ludo@gnu.org>
Date: Thu, 29 Nov 2012 10:58:31 +0100
Subject: [PATCH] gcc 4.7: don't pass `--with-native-system-header-dir' when
 cross-compiling

---
 pkgs/development/compilers/gcc/4.7/default.nix | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/pkgs/development/compilers/gcc/4.7/default.nix b/pkgs/development/compilers/gcc/4.7/default.nix
index 5053e105aeb..60ef44f2a90 100644
--- a/pkgs/development/compilers/gcc/4.7/default.nix
+++ b/pkgs/development/compilers/gcc/4.7/default.nix
@@ -288,7 +288,9 @@ stdenv.mkDerivation ({
         )
       )
     }
-    ${if (stdenv ? glibc) then " --with-native-system-header-dir=${stdenv.glibc}/include" else ""}
+    ${if (stdenv ? glibc && cross == null)
+      then " --with-native-system-header-dir=${stdenv.glibc}/include"
+      else ""}
     ${ # Trick that should be taken out once we have a mips64el-linux not loongson2f
       if cross == null && stdenv.system == "mips64el-linux" then "--with-arch=loongson2f" else ""}
     ${if langAda then " --enable-libada" else ""}