From 4b2c3d52de9033506077fb87e0f0521ec00d1240 Mon Sep 17 00:00:00 2001
From: Cillian de Roiste <cillian.deroiste@gmail.com>
Date: Wed, 6 Jun 2012 19:05:06 +0000
Subject: [PATCH] Adding optional wx (GUI) support for Erlang, which enables
 the graphical debugger although pman (the process manager) fails to start.

svn path=/nixpkgs/trunk/; revision=34372
---
 pkgs/development/interpreters/erlang/default.nix | 9 +++++++--
 1 file changed, 7 insertions(+), 2 deletions(-)

diff --git a/pkgs/development/interpreters/erlang/default.nix b/pkgs/development/interpreters/erlang/default.nix
index 0940936e531c..18cfeca63294 100644
--- a/pkgs/development/interpreters/erlang/default.nix
+++ b/pkgs/development/interpreters/erlang/default.nix
@@ -1,4 +1,7 @@
-{ stdenv, fetchurl, perl, gnum4, ncurses, openssl }:
+{ stdenv, fetchurl, perl, gnum4, ncurses, openssl
+, wxSupport ? false, mesa ? null, wxGTK ? null, xlibs ? null }:
+
+assert wxSupport -> mesa != null && wxGTK != null && xlibs != null;
 
 let version = "R15B01"; in
 
@@ -10,7 +13,9 @@ stdenv.mkDerivation {
     sha256 = "1pmb3hk51p6dwsspxx40qs7gjfyhxjjc3290qk6w1wwa6bkpskzr";
   };
   
-  buildInputs = [ perl gnum4 ncurses openssl ];
+  buildInputs = 
+    [ perl gnum4 ncurses openssl
+    ] ++ stdenv.lib.optional wxSupport [ mesa wxGTK xlibs.libX11 ];
   
   patchPhase = '' sed -i "s@/bin/rm@rm@" lib/odbc/configure erts/configure '';