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{
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;
};
})
|
