From c2c499005728846f123eb9c4263c946633984a34 Mon Sep 17 00:00:00 2001
From: "Yury G. Kudryashov" <urkud.urkud@gmail.com>
Date: Mon, 3 May 2010 15:47:58 +0000
Subject: [PATCH] Remove C++-style comment from sys/acl.h

svn path=/nixpkgs/branches/stdenv-updates/; revision=21581
---
 pkgs/development/libraries/acl/default.nix | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/pkgs/development/libraries/acl/default.nix b/pkgs/development/libraries/acl/default.nix
index f5d418b3779..d3a3bbd38c5 100644
--- a/pkgs/development/libraries/acl/default.nix
+++ b/pkgs/development/libraries/acl/default.nix
@@ -11,6 +11,13 @@ stdenv.mkDerivation rec {
   buildNativeInputs = [gettext];
   buildInputs = [attr libtool];
 
+  # Upstream use C++-style comments in C code. Remove them.
+  # This comment breaks compilation if too strict gcc flags are used.
+  patchPhase = ''
+    echo "Removing C++-style comments from include/acl.h"
+    sed -e '/^\/\//d' -i include/acl.h
+  '';
+
   configureFlags = "MAKE=make LIBTOOL=libtool MSGFMT=msgfmt MSGMERGE=msgmerge XGETTEXT=xgettext ZIP=gzip ECHO=echo SED=sed AWK=gawk";
 
   installTargets = "install install-lib install-dev";