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-rw-r--r--pkgs/games/multimc/default.nix18
1 files changed, 14 insertions, 4 deletions
diff --git a/pkgs/games/multimc/default.nix b/pkgs/games/multimc/default.nix
index 4304128ac21..aa32efaa940 100644
--- a/pkgs/games/multimc/default.nix
+++ b/pkgs/games/multimc/default.nix
@@ -1,7 +1,6 @@
-{ lib, mkDerivation, fetchFromGitHub, cmake, jdk8, zlib, file, makeWrapper, xorg, libpulseaudio, qtbase, libGL }:
+{ lib, mkDerivation, fetchFromGitHub, cmake, jdk8, jdk, zlib, file, makeWrapper, xorg, libpulseaudio, qtbase, libGL }:
 
 let
-  jdk = jdk8;
   libpath = with xorg; lib.makeLibraryPath [ libX11 libXext libXcursor libXrandr libXxf86vm libpulseaudio libGL ];
 in mkDerivation rec {
   pname = "multimc";
@@ -14,7 +13,16 @@ in mkDerivation rec {
     fetchSubmodules = true;
   };
   nativeBuildInputs = [ cmake file makeWrapper ];
-  buildInputs = [ qtbase jdk zlib ];
+  buildInputs = [ qtbase jdk8 zlib ];
+
+  patches = [ ./0001-pick-latest-java-first.patch ];
+
+  postPatch = ''
+    # hardcode jdk paths
+    substituteInPlace api/logic/java/JavaUtils.cpp \
+      --replace 'scanJavaDir("/usr/lib/jvm")' 'javas.append("${jdk}/lib/openjdk/bin/java")' \
+      --replace 'scanJavaDir("/usr/lib32/jvm")' 'javas.append("${jdk8}/lib/openjdk/bin/java")'
+  '';
 
   cmakeFlags = [ "-DMultiMC_LAYOUT=lin-system" ];
 
@@ -23,7 +31,9 @@ in mkDerivation rec {
     install -Dm755 ../application/package/linux/multimc.desktop $out/share/applications/multimc.desktop
 
     # xorg.xrandr needed for LWJGL [2.9.2, 3) https://github.com/LWJGL/lwjgl/issues/128
-    wrapProgram $out/bin/multimc --set GAME_LIBRARY_PATH /run/opengl-driver/lib:${libpath} --prefix PATH : ${jdk}/bin/:${xorg.xrandr}/bin/
+    wrapProgram $out/bin/multimc \
+      --set GAME_LIBRARY_PATH /run/opengl-driver/lib:${libpath} \
+      --prefix PATH : ${lib.makeBinPath [ xorg.xrandr ]}
   '';
 
   meta = with lib; {