From 7aa65babe8644482be49c9cc9c4598c7745e2d59 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Ludovic=20Court=C3=A8s?= <ludo@gnu.org>
Date: Sat, 18 Jun 2011 15:59:44 +0000
Subject: [PATCH] GNU MIG: Force a 32-bit build.

svn path=/nixpkgs/trunk/; revision=27493
---
 pkgs/top-level/all-packages.nix | 15 ++++++++++++++-
 1 file changed, 14 insertions(+), 1 deletion(-)

diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index e7594c691c56..1dc65bcd55a9 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -2729,7 +2729,20 @@ let
 
   ltrace = callPackage ../development/tools/misc/ltrace { };
 
-  mig = callPackage ../os-specific/gnu/mig { };
+  mig = callPackage ../os-specific/gnu/mig
+    (if stdenv.isLinux
+     then {
+       # Build natively, but force use of a 32-bit environment because we're
+       # targeting `i586-pc-gnu'.
+       stdenv = (import ../stdenv {
+         system = "i686-linux";
+         stdenvType = "i686-linux";
+         allPackages = args:
+           import ./all-packages.nix ({ inherit config; } // args);
+         inherit platform;
+       }).stdenv;
+     }
+     else { });
 
   mk = callPackage ../development/tools/build-managers/mk { };