From 8b8f03682c4970076ad3eec5957507d680083a4c Mon Sep 17 00:00:00 2001
From: Peter Hoeg <peter@hoeg.com>
Date: Mon, 19 Aug 2019 23:24:08 +0800
Subject: [PATCH] btanks: fix building with lua 5.2

---
 pkgs/games/btanks/default.nix | 21 ++++++++++++---------
 1 file changed, 12 insertions(+), 9 deletions(-)

diff --git a/pkgs/games/btanks/default.nix b/pkgs/games/btanks/default.nix
index ad2cef1ac39..5bb7cfa215b 100644
--- a/pkgs/games/btanks/default.nix
+++ b/pkgs/games/btanks/default.nix
@@ -1,5 +1,5 @@
-{ stdenv, fetchurl, fetchpatch, sconsPackages, pkgconfig, SDL, libGLU_combined, zlib, smpeg
-, SDL_image, libvorbis, expat, zip, lua5_1 }:
+{ stdenv, fetchurl, fetchpatch, sconsPackages, pkgconfig, SDL, libGL, zlib, smpeg
+, SDL_image, libvorbis, expat, zip, lua }:
 
 stdenv.mkDerivation rec {
   pname = "btanks";
@@ -11,16 +11,19 @@ stdenv.mkDerivation rec {
   };
 
   nativeBuildInputs = [ sconsPackages.scons_3_0_1 pkgconfig ];
-  buildInputs = [ SDL libGLU_combined zlib smpeg SDL_image libvorbis expat zip lua5_1 ];
+
+  buildInputs = [ SDL libGL zlib smpeg SDL_image libvorbis expat zip lua ];
+
+  enableParallelBuilding = true;
 
   NIX_CFLAGS_COMPILE = "-I${SDL_image}/include/SDL";
 
-  prePatch = ''
-    substituteInPlace ./engine/SConscript --replace "lua5.1" "lua" \
-          --replace "lua5.0" "lua"
-  '';
-
   patches = [
+    (fetchpatch {
+      url = "https://aur.archlinux.org/cgit/aur.git/plain/lua52.patch?h=btanks";
+      sha256 = "0ip563kz6lhwiims5djrxq3mvb7jx9yzkpsqxxhbi9n6qzz7y2az";
+      name = "lua52.patch";
+    })
     (fetchpatch {
       url = "https://salsa.debian.org/games-team/btanks/raw/master/debian/patches/gcc-4.7.patch";
       sha256 = "1dxlk1xh69gj10sqcsyckiakb8an3h41206wby4z44mpmvxc7pi4";
@@ -32,8 +35,8 @@ stdenv.mkDerivation rec {
   ];
 
   meta = with stdenv.lib; {
-    homepage = "https://sourceforge.net/projects/btanks/";
     description = "Fast 2d tank arcade game";
+    homepage = "https://sourceforge.net/projects/btanks/";
     license = licenses.gpl2Plus;
     platforms = platforms.linux;
   };