From 55d74fbf3b78079fe5090aba0ac85db60f2065bf Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Llu=C3=ADs=20Batlle=20i=20Rossell?= <viric@viric.name>
Date: Thu, 8 Nov 2012 22:33:15 +0100
Subject: [PATCH] Changing the crosscompiler to gcc47.

gcc from 4.5 to 4.7 have important bugs for mips.

https://www.linux-mips.org/cgi-bin/mesg.cgi?a=linux-mips&i=20120906140843.GA17068%40linux-mips.org
---
 pkgs/top-level/all-packages.nix | 14 +++++++++++++-
 1 file changed, 13 insertions(+), 1 deletion(-)

diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index 597c9923f1ba..49cc38680ded 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -1967,7 +1967,19 @@ let
       cross = assert crossSystem != null; crossSystem;
     });
 
-  gcc_realCross = gcc46_realCross;
+  gcc47_realCross = lib.addMetaAttrs { platforms = []; }
+    (makeOverridable (import ../development/compilers/gcc/4.7) {
+      inherit fetchurl stdenv texinfo gmp mpfr mpc libelf zlib
+        cloog ppl gettext which noSysDirs;
+      binutilsCross = binutilsCross;
+      libcCross = libcCross;
+      profiledCompiler = false;
+      enableMultilib = false;
+      crossStageStatic = false;
+      cross = assert crossSystem != null; crossSystem;
+    });
+
+  gcc_realCross = gcc47_realCross;
 
   gccCrossStageStatic = let
       isMingw = (stdenv.cross.libc == "msvcrt");