From 50d2b3ca1159f848d4cd47452e7738fc1ba3ade5 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?J=C3=B6rg=20Thalheim?= <joerg@higgsboson.tk>
Date: Sat, 17 Sep 2016 13:10:01 +0200
Subject: [PATCH] luasocket: fix non-5.1 builds

LUAV has to be set accordingly for make,
otherwise it will install files default to the 5.1 path.
---
 pkgs/top-level/lua-packages.nix | 18 +++++++++++-------
 1 file changed, 11 insertions(+), 7 deletions(-)

diff --git a/pkgs/top-level/lua-packages.nix b/pkgs/top-level/lua-packages.nix
index 83499fa32184..ce087152686a 100644
--- a/pkgs/top-level/lua-packages.nix
+++ b/pkgs/top-level/lua-packages.nix
@@ -189,16 +189,20 @@ let
       sha256 = "0j8jx8bjicvp9khs26xjya8c495wrpb7parxfnabdqa5nnsxjrwb";
     };
 
-    patchPhase = ''
-      sed -e "s,^LUAPREFIX_linux.*,LUAPREFIX_linux=$out," \
-          -i src/makefile
-    '' + stdenv.lib.optionalString stdenv.isDarwin ''
-      export PLAT=macosx
-      export LUAPREFIX_macosx=$out
-      substituteInPlace src/Makefile --replace gcc cc \
+    patchPhase = stdenv.lib.optionalString stdenv.isDarwin ''
+      substituteInPlace src/makefile --replace gcc cc \
         --replace 10.3 10.5
     '';
 
+    preBuild = ''
+      makeFlagsArray=(
+        LUAV=${lua.luaversion}
+        PLAT=${if stdenv.isDarwin then "macosx" else "linux"}
+        LUAPREFIX_linux=$out
+        LUAPREFIX_macosx=$out
+      );
+    '';
+
     meta = {
       homepage = "http://w3.impa.br/~diego/software/luasocket/";
       hydraPlatforms = stdenv.lib.platforms.linux;