From 2e0ae13f680ab56f303eb15397d08f0889bd93ee Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Ludovic=20Court=C3=A8s?= <ludo@gnu.org>
Date: Thu, 15 Mar 2012 20:28:03 +0000
Subject: [PATCH] GNU MIG: When cross-compiling, patch shebang correctly.

svn path=/nixpkgs/trunk/; revision=33123
---
 pkgs/os-specific/gnu/mig/default.nix | 10 +++++++++-
 1 file changed, 9 insertions(+), 1 deletion(-)

diff --git a/pkgs/os-specific/gnu/mig/default.nix b/pkgs/os-specific/gnu/mig/default.nix
index 77bb53f7a06..f7b798a7624 100644
--- a/pkgs/os-specific/gnu/mig/default.nix
+++ b/pkgs/os-specific/gnu/mig/default.nix
@@ -1,4 +1,4 @@
-{ fetchgit, stdenv, autoconf, automake, flex, bison, machHeaders }:
+{ fetchgit, stdenv, autoconf, automake, flex, bison, machHeaders, bash }:
 
 let
   date = "20100512";
@@ -21,6 +21,14 @@ stdenv.mkDerivation {
 
   doCheck = true;
 
+  crossAttrs = {
+    postInstall =
+      # Fix the shebang to point to the cross-built shell.
+      '' sed -i "$out/bin/mig" \
+             -e 's|^#!/.*|#!${bash.hostDrv}/bin/sh|g'
+      '';
+  };
+
   meta = {
     description = "GNU MIG, the Mach interface generator";