1 files changed, 92 insertions, 0 deletions
diff --git a/pkgs/by-name/po/pocl/package.nix b/pkgs/by-name/po/pocl/package.nix
new file mode 100644
index 0000000000000..d3c58c00e21e7
--- /dev/null
+++ b/pkgs/by-name/po/pocl/package.nix
@@ -0,0 +1,92 @@
+{
+  lib,
+  stdenv,
+  fetchFromGitHub,
+  nix-update-script,
+  cmake,
+  pkg-config,
+  hwloc,
+  llvmPackages,
+  libxml2, # required for statically linked llvm
+  spirv-llvm-translator,
+  spirv-tools,
+  lttng-ust,
+  ocl-icd,
+  python3,
+  runCommand,
+  makeWrapper,
+}:
+
+let
+  clang = llvmPackages.clangUseLLVM;
+  # Workaround to make sure libclang finds libgcc.a and libgcc_s.so when
+  # invoked from within libpocl
+  clangWrapped = runCommand "clang-pocl" { nativeBuildInputs = [ makeWrapper ]; } ''
+    mkdir -p $out/bin
+    cp -r ${clang}/bin/* $out/bin/
+    LIBGCC_DIR=$(dirname $(find ${stdenv.cc.cc}/lib/ -name libgcc.a))
+    for F in ${clang}/bin/ld*; do
+      BASENAME=$(basename "$F")
+      rm -f $out/bin/$BASENAME
+      makeWrapper ${clang}/bin/$BASENAME $out/bin/$BASENAME \
+        --add-flags "-L$LIBGCC_DIR" \
+        --add-flags "-L${stdenv.cc.cc.lib}/lib"
+    done
+  '';
+in
+stdenv.mkDerivation (finalAttrs: {
+  pname = "pocl";
+  version = "6.0";
+
+  src = fetchFromGitHub {
+    owner = "pocl";
+    repo = "pocl";
+    rev = "v${finalAttrs.version}";
+    hash = "sha256-NHR9yrI6Odb/s/OBnEVifdcLEXvwqzAMZWpGViv2cJg=";
+  };
+
+  cmakeFlags = [
+    "-DKERNELLIB_HOST_CPU_VARIANTS=distro"
+    # avoid the runtime linker pulling in a different llvm e.g. from graphics drivers
+    "-DSTATIC_LLVM=ON"
+    "-DENABLE_POCL_BUILDING=OFF"
+    "-DPOCL_ICD_ABSOLUTE_PATH=ON"
+    "-DENABLE_ICD=ON"
+    "-DCLANG=${clangWrapped}/bin/clang"
+    "-DCLANGXX=${clangWrapped}/bin/clang++"
+    "-DENABLE_REMOTE_CLIENT=ON"
+    "-DENABLE_REMOTE_SERVER=ON"
+  ];
+
+  nativeBuildInputs = [
+    cmake
+    pkg-config
+    clangWrapped
+    python3
+  ];
+
+  buildInputs = [
+    hwloc
+    libxml2
+    llvmPackages.llvm
+    llvmPackages.libclang
+    lttng-ust
+    ocl-icd
+    spirv-tools
+    spirv-llvm-translator
+  ];
+
+  passthru.updateScript = nix-update-script { };
+
+  meta = {
+    description = "A portable open source (MIT-licensed) implementation of the OpenCL standard";
+    homepage = "http://portablecl.org";
+    changelog = "https://github.com/pocl/pocl/releases/tag/v${finalAttrs.version}";
+    license = lib.licenses.mit;
+    maintainers = with lib.maintainers; [
+      jansol
+      xddxdd
+    ];
+    platforms = lib.platforms.unix;
+  };
+})