pkgs/build-unity: Wrap binary instead of linking

The executable of Unity games at the moment is unable to find its own
path if it can't do a stat() on argv[0]. So wrapping the program helps
here for now.

Signed-off-by: aszlig <aszlig@redmoonstudios.org>

1 files changed, 4 insertions, 2 deletions

diff --git a/pkgs/games/build-support/build-unity.nix b/pkgs/games/build-support/build-unity.nix
index 701ace91..e6c0162d 100644
--- a/pkgs/games/build-support/build-unity.nix
+++ b/pkgs/games/build-support/build-unity.nix
@@ -1,4 +1,4 @@
-{ stdenv, mesa, xorg, libpulseaudio, libudev }:
+{ stdenv, makeWrapper, mesa, xorg, libpulseaudio, libudev }:
 
 { name, version, fullName, buildPhase ? "", rpath ? [], ... }@attrs:
 
@@ -12,6 +12,8 @@ in stdenv.mkDerivation ({
   inherit version arch executable dataDir;
   slugName = name;
 
+  nativeBuildInputs = [ makeWrapper ];
+
   buildPhase = let
     mainRpath = stdenv.lib.makeLibraryPath ([
       stdenv.cc.cc mesa xorg.libX11 xorg.libXcursor xorg.libXrandr
@@ -36,7 +38,7 @@ in stdenv.mkDerivation ({
     ln -s "$out/share/$slugName" "$out/libexec/$slugName/Data"
 
     mkdir -p "$out/bin"
-    ln -s "$out/libexec/$slugName/$slugName" "$out/bin/$slugName"
+    makeWrapper "$out/libexec/$slugName/$slugName" "$out/bin/$slugName"
 
     mkdir -p "$out/share"
     cp -vRd "$dataDir" "$out/share/$slugName"