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129 lines
3.3 KiB
Nix
129 lines
3.3 KiB
Nix
{
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lib,
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stdenv,
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fetchFromGitHub,
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cmake,
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pkg-config,
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hwloc,
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llvmPackages,
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libxml2, # required for statically linked llvm
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spirv-llvm-translator,
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spirv-tools,
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lttng-ust,
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opencl-headers,
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ocl-icd,
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python3,
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runCommand,
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makeWrapper,
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writableTmpDirAsHomeHook,
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}:
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let
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clang = llvmPackages.clangUseLLVM;
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# Workaround to make sure libclang finds libgcc.a and libgcc_s.so when
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# invoked from within libpocl
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clangWrapped =
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if stdenv.hostPlatform.isDarwin then
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clang
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else
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runCommand "clang-pocl" { nativeBuildInputs = [ makeWrapper ]; } ''
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mkdir -p $out/bin
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cp -r ${clang}/bin/* $out/bin/
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LIBGCC_DIR=$(dirname $(find ${stdenv.cc.cc}/lib/ -name libgcc.a))
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for F in ${clang}/bin/ld*; do
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BASENAME=$(basename "$F")
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rm -f $out/bin/$BASENAME
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makeWrapper ${clang}/bin/$BASENAME $out/bin/$BASENAME \
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--add-flags "-L$LIBGCC_DIR" \
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--add-flags "-L${lib.getLib stdenv.cc.cc}/lib"
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done
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'';
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in
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stdenv.mkDerivation (finalAttrs: {
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pname = "pocl";
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version = "7.0-unstable-2025-09-30";
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src = fetchFromGitHub {
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owner = "pocl";
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repo = "pocl";
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rev = "f24d07da32bdd639538d3016cad2ab920cd16ce3";
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hash = "sha256-D7sMZ2B7Ex840ZhM07nrdnlek0HhI5GkvUNA4k5hsPk=";
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};
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postPatch = lib.optionalString stdenv.hostPlatform.isDarwin ''
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substituteInPlace pocld/shared_cl_context.cc --replace-fail \
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"Dev.getInfo<CL_DEVICE_GLOBAL_MEM_SIZE>()" \
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"static_cast<size_t>(Dev.getInfo<CL_DEVICE_GLOBAL_MEM_SIZE>())"
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'';
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cmakeFlags = [
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# avoid the runtime linker pulling in a different llvm e.g. from graphics drivers
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(lib.cmakeBool "STATIC_LLVM" true)
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(lib.cmakeBool "ENABLE_POCL_BUILDING" false)
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(lib.cmakeBool "POCL_ICD_ABSOLUTE_PATH" true)
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(lib.cmakeBool "ENABLE_ICD" true)
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(lib.cmakeBool "ENABLE_REMOTE_CLIENT" true)
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(lib.cmakeBool "ENABLE_REMOTE_SERVER" true)
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(lib.cmakeFeature "CLANG" "${clangWrapped}/bin/clang")
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(lib.cmakeFeature "CLANGXX" "${clangWrapped}/bin/clang++")
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]
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# Only x86_64 supports "distro" which allows runtime detection of SSE/AVX
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++ lib.optionals stdenv.hostPlatform.isx86_64 [
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(lib.cmakeFeature "KERNELLIB_HOST_CPU_VARIANTS" "distro")
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]
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++ lib.optionals (!stdenv.hostPlatform.isx86_64) [
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(lib.cmakeFeature "LLC_HOST_CPU" "generic")
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];
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nativeBuildInputs = [
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cmake
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pkg-config
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clangWrapped
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python3
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];
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buildInputs = [
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hwloc
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libxml2
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llvmPackages.llvm
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llvmPackages.libclang
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opencl-headers
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ocl-icd
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spirv-tools
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spirv-llvm-translator
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]
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++ lib.optionals stdenv.hostPlatform.isLinux [
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lttng-ust
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];
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nativeInstallCheckInputs = [
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writableTmpDirAsHomeHook
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];
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doInstallCheck = true;
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installCheckPhase = ''
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runHook preInstallCheck
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export OCL_ICD_VENDORS=$out/etc/OpenCL/vendors
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$out/bin/poclcc -o poclcc.cl.pocl $src/examples/poclcc/poclcc.cl
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runHook postInstallCheck
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'';
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setupHook = ./setup-hook.sh;
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meta = {
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description = "Portable open source (MIT-licensed) implementation of the OpenCL standard";
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homepage = "https://portablecl.org";
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changelog = "https://github.com/pocl/pocl/releases/tag/v${finalAttrs.version}";
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license = lib.licenses.mit;
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maintainers = with lib.maintainers; [
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jansol
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johnrtitor
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xddxdd
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];
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platforms = lib.platforms.unix;
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};
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})
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