From 38dbb8008d9103c139bc0fb3f9580acb10fd2fcf Mon Sep 17 00:00:00 2001
From: Moritz Ulrich <moritz@tarn-vedra.de>
Date: Mon, 3 Oct 2016 19:22:08 +0200
Subject: [PATCH] weechat: Work around darwin linking issue

---
 pkgs/applications/networking/irc/weechat/default.nix | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/pkgs/applications/networking/irc/weechat/default.nix b/pkgs/applications/networking/irc/weechat/default.nix
index b29ed46e075..71358c806d8 100644
--- a/pkgs/applications/networking/irc/weechat/default.nix
+++ b/pkgs/applications/networking/irc/weechat/default.nix
@@ -50,7 +50,9 @@ stdenv.mkDerivation rec {
     ++ optional  tclSupport      tcl
     ++ extraBuildInputs;
 
-  NIX_CFLAGS_COMPILE = "-I${python}/include/${python.libPrefix}";
+  NIX_CFLAGS_COMPILE = "-I${python}/include/${python.libPrefix}"
+    # Fix '_res_9_init: undefined symbol' error
+    + (stdenv.lib.optionalString stdenv.isDarwin "-DBIND_8_COMPAT=1");
 
   postInstall = with stdenv.lib; ''
     NIX_PYTHONPATH="$out/lib/${python.libPrefix}/site-packages"