fex: init at 2412

maintainers/maintainer-list.nix

@@ -1351,6 +1351,13 @@
     githubId = 638836;
     name = "Andreas Rammhold";
   };
+  andre4ik3 = {
+    name = "andre4ik3";
+    email = "[email protected]";
+    matrix = "@andre4ik3:matrix.org";
+    github = "andre4ik3";
+    githubId = 62390580;
+  };
   andreasfelix = {
     email = "[email protected]";
     github = "andreasfelix";

pkgs/by-name/fe/fex/package.nix

@@ -0,0 +1,80 @@
+{
+  fetchFromGitHub,
+  lib,
+  llvmPackages,
+  cmake,
+  ninja,
+  pkg-config,
+  gitMinimal,
+  qt5,
+  python3,
+}:
+
+llvmPackages.stdenv.mkDerivation (finalAttrs: rec {
+  pname = "fex";
+  version = "2412";
+
+  src = fetchFromGitHub {
+    owner = "FEX-Emu";
+    repo = "FEX";
+    tag = "FEX-${version}";
+    hash = "sha256-VwcfxdRMjE/yoe5q0p3j4FdEMOJdtq17moxiGWO+CN0=";
+    fetchSubmodules = true;
+  };
+
+  patches = [
+    # This is a workaround to get FEX working with NixOS's slightly weird binfmt
+    # infrastructure.
+    ./realpath.patch
+  ];
+
+  nativeBuildInputs = [
+    cmake
+    ninja
+    pkg-config
+    gitMinimal
+    qt5.wrapQtAppsHook
+    llvmPackages.bintools
+
+    (python3.withPackages (
+      pythonPackages: with pythonPackages; [
+        setuptools
+        libclang
+      ]
+    ))
+  ];
+
+  buildInputs = with qt5; [
+    qtbase
+    qtdeclarative
+    qtquickcontrols
+    qtquickcontrols2
+  ];
+
+  cmakeFlags = [
+    "-DCMAKE_BUILD_TYPE=Release"
+    "-DUSE_LINKER=lld"
+    "-DENABLE_LTO=True"
+    "-DENABLE_ASSERTIONS=False"
+    (lib.cmakeBool "BUILD_TESTS" finalAttrs.finalPackage.doCheck)
+  ];
+
+  strictDeps = true;
+  doCheck = false; # broken on Apple silicon computers
+
+  # Avoid wrapping anything other than FEXConfig, since the wrapped executables
+  # don't seem to work when registered as binfmts.
+  dontWrapQtApps = true;
+  preFixup = ''
+    wrapQtApp $out/bin/FEXConfig
+  '';
+
+  meta = {
+    description = "Fast usermode x86 and x86-64 emulator for Arm64 Linux";
+    homepage = "https://fex-emu.com/";
+    platforms = [ "aarch64-linux" ];
+    license = lib.licenses.mit;
+    maintainers = with lib.maintainers; [ andre4ik3 ];
+    mainProgram = "FEXBash";
+  };
+})

pkgs/by-name/fe/fex/realpath.patch

@@ -0,0 +1,19 @@
+diff --git a/Source/Common/FEXServerClient.cpp b/Source/Common/FEXServerClient.cpp
+index 424ecf0a0..501bcbac1 100644
+--- a/Source/Common/FEXServerClient.cpp
++++ b/Source/Common/FEXServerClient.cpp
+@@ -209,7 +209,13 @@ int ConnectToAndStartServer(char* InterpreterPath) {
+       return -1;
+     }
+
+-    fextl::string FEXServerPath = FHU::Filesystem::ParentPath(InterpreterPath) + "/FEXServer";
++    char RealInterpreterPathBuf[PATH_MAX];
++    char *RealInterpreterPath = realpath(InterpreterPath, RealInterpreterPathBuf);
++    if (!RealInterpreterPath) {
++      LogMan::Msg::EFmt("realpath failed");
++      return -1;
++    }
++    fextl::string FEXServerPath = FHU::Filesystem::ParentPath(RealInterpreterPath) + "/FEXServer";
+     // Check if a local FEXServer next to FEXInterpreter exists
+     // If it does then it takes priority over the installed one
+     if (!FHU::Filesystem::Exists(FEXServerPath)) {