From 77f2cc5791904caf4077c526fbdaca4ad27e2374 Mon Sep 17 00:00:00 2001
From: Seth Flynn <getchoo@tuta.io>
Date: Thu, 6 Mar 2025 03:00:58 -0500
Subject: apply build system patches

This is a more upstreamable approach, and doesn't require any kind of
weird substitution on our end. It also avoids downloading Kotlin in our
antDeps and fixes cross compilation!! (only tested on aarch64)

Signed-off-by: Seth Flynn <getchoo@tuta.io>
---
 pkgs/lwjgl/default.nix | 80 ++++++++++++++++++++++----------------------------
 1 file changed, 35 insertions(+), 45 deletions(-)

(limited to 'pkgs/lwjgl/default.nix')

diff --git a/pkgs/lwjgl/default.nix b/pkgs/lwjgl/default.nix
index 546c45c..bebd70a 100644
--- a/pkgs/lwjgl/default.nix
+++ b/pkgs/lwjgl/default.nix
@@ -3,22 +3,17 @@
   stdenv,
   breakpointHook,
   ant,
-  at-spi2-atk,
   buildPackages,
-  cairo,
   dbus,
   fetchAntDeps,
   fetchFromGitHub,
-  gdk-pixbuf,
   glib,
   gtk3,
-  harfbuzz,
   kotlin,
   libGLU,
   libffi,
   libglvnd,
-  pango,
-  replaceVars,
+  pkg-config,
   xorg,
 
   version,
@@ -38,20 +33,11 @@ stdenv.mkDerivation (finalAttrs: {
   };
 
   patches = [
-    (replaceVars ./fix-library-paths.patch (
-      lib.mapAttrs (lib.const lib.getDev) {
-        inherit
-          at-spi2-atk
-          cairo
-          dbus
-          gdk-pixbuf
-          glib
-          gtk3
-          harfbuzz
-          pango
-          ;
-      }
-    ))
+    ./0001-build-use-pkg-config-for-linux-dependencies.patch
+    ./0002-build-allow-local-kotlin.patch
+    ./0003-build-allow-linking-against-system-libffi.patch
+    ./0004-build-add-dbus-as-dependency-for-nfd_portal.patch
+    ./0005-build-allow-setting-pkg-config-prefix-suffix.patch
   ];
 
   antJdk = buildPackages.jdk_headless;
@@ -60,7 +46,9 @@ stdenv.mkDerivation (finalAttrs: {
       pname
       version
       src
+      patches
       antJdk
+      antFlags
       ;
     hash = antHash;
   };
@@ -70,32 +58,40 @@ stdenv.mkDerivation (finalAttrs: {
   nativeBuildInputs = [
     ant
     kotlin
+    pkg-config
   ] ++ lib.optional (lib.meta.availableOn stdenv.buildPlatform breakpointHook) breakpointHook;
 
   buildInputs = [
-    at-spi2-atk
-    cairo
     dbus
-    gdk-pixbuf
     glib
     gtk3
-    harfbuzz
     libGLU
     libffi
-    pango
     xorg.libX11
     xorg.libXt
   ];
 
+  antFlags =
+    [
+      "-Dgcc.libpath.opengl=${libglvnd}/lib"
+
+      "-Dlibffi.path=${lib.getLib libffi}/lib"
+      "-Duse.libffi.so=true"
+
+      "-Dlocal.kotlin=${lib.getBin kotlin}"
+    ]
+    ++ lib.optionals (stdenv.buildPlatform != stdenv.hostPlatform) [
+      "-Dgcc.prefix=${stdenv.cc.targetPrefix}"
+      "-Dpkg-config.prefix=${stdenv.cc.targetPrefix}"
+    ];
+
   env = {
-    NIX_CFLAGS = "-funroll-loops -I${lib.getDev gtk3}/include/gtk-3.0";
     NIX_LDFLAGS = "-lffi";
 
     JAVA_HOME = finalAttrs.antJdk.home;
     JAVA8_HOME = buildPackages.jdk8_headless.home;
 
     # https://github.com/LWJGL/lwjgl3/tree/e8552d53624f789c8f8c3dc35976fa02cba73cff/doc#build-configuration
-    LWJGL_BUILD_OFFLINE = "yes";
     LWJGL_BUILD_ARCH =
       if stdenv.hostPlatform.isx86_64 then
         "x64"
@@ -109,6 +105,8 @@ stdenv.mkDerivation (finalAttrs: {
         "riscv64"
       else
         throw "${stdenv.hostPlatform.cpu.name} is not a supported architecture";
+    LWJGL_BUILD_OFFLINE = "yes";
+    LWJGL_BUILD_TYPE = "release/${finalAttrs.version}";
   };
 
   # Put the dependencies we already downloaded in the right place
@@ -120,29 +118,21 @@ stdenv.mkDerivation (finalAttrs: {
 
   postBuild = ''
     mkdir $out
-    ant \
-      -emacs \
-      -Dgcc.libpath.opengl=${libglvnd}/lib \
-    	compile-templates compile-native
+    concatTo flagsArray buildFlags buildFlagsArray antFlags antFlagsArray
+    ant compile-templates compile compile-native "''${flagsArray[@]}"
   '';
 
   postInstall = ''
-    exit 1
+    mkdir -p $out/lib
+    find . -type f -name '*.so' -exec install -Dm755 -t $out/lib {} \;
   '';
 
   meta = {
-    platforms =
-
-      let
-        architectures = lib.flatten [
-          lib.platforms.x86_64
-          lib.platforms.i686
-          lib.platforms.aarch64
-          lib.platforms.armv7
-          lib.platforms.riscv64
-        ];
-      in
-
-      lib.intersectLists architectures lib.platforms.linux;
+    description = "Lightweight Java Game Library";
+    homepage = "https://www.lwjgl.org/";
+    changelog = "https://github.com/LWJGL/lwjgl3/releases/tag/${toString finalAttrs.src.tag}";
+    license = lib.licenses.bsd3;
+    maintainers = with lib.maintainers; [ getchoo ];
+    platforms = lib.platforms.linux;
   };
 })
-- 
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