From 61c48d9c45254e36e4ecb58ce7c263dda13bd9a0 Mon Sep 17 00:00:00 2001
From: Vincent Laporte <Vincent.Laporte@gmail.com>
Date: Tue, 31 Jan 2017 05:05:07 +0000
Subject: [PATCH] luaPackages.luaexpat: fix build on darwin

---
 pkgs/top-level/lua-packages.nix | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/pkgs/top-level/lua-packages.nix b/pkgs/top-level/lua-packages.nix
index 3db9e66a98ee..ecf6d11547d0 100644
--- a/pkgs/top-level/lua-packages.nix
+++ b/pkgs/top-level/lua-packages.nix
@@ -112,6 +112,11 @@ let
 
     buildInputs = [ expat ];
 
+    preConfigure = stdenv.lib.optionalString stdenv.isDarwin ''
+      substituteInPlace Makefile \
+      --replace '-shared' '-bundle -undefined dynamic_lookup -all_load'
+    '';
+
     preBuild = ''
       makeFlagsArray=(
         LUA_LDIR="$out/share/lua/${lua.luaversion}"
@@ -121,7 +126,7 @@ let
 
     meta = {
       homepage = "http://matthewwild.co.uk/projects/luaexpat";
-      hydraPlatforms = stdenv.lib.platforms.linux;
+      hydraPlatforms = stdenv.lib.platforms.unix;
       maintainers = [ stdenv.lib.maintainers.flosse ];
     };
   };