99 lines
3.2 KiB
Nix
99 lines
3.2 KiB
Nix
{
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lib,
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stdenv,
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version,
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runCommand,
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monorepoSrc,
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llvm,
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buildPackages,
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buildLlvmTools,
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ninja,
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cmake,
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python3,
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release_version,
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getVersionFile,
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}:
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let
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spirv-llvm-translator = buildPackages.spirv-llvm-translator.override {
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inherit (buildLlvmTools) llvm;
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};
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in
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stdenv.mkDerivation rec {
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pname = "libclc";
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inherit version;
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src = runCommand "${pname}-src-${version}" { } (
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''
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mkdir -p "$out"
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''
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+ lib.optionalString (lib.versionAtLeast release_version "14") ''
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cp -r ${monorepoSrc}/cmake "$out"
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''
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+ ''
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cp -r ${monorepoSrc}/${pname} "$out"
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''
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);
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sourceRoot = "${src.name}/${pname}";
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outputs = [
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"out"
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"dev"
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];
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patches =
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[ ./libclc/libclc-gnu-install-dirs.patch ]
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# LLVM 19 changes how host tools are looked up.
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# Need to remove NO_DEFAULT_PATH and the PATHS arguments for find_program
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# so CMake can actually find the tools in nativeBuildInputs.
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# https://github.com/llvm/llvm-project/pull/105969
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++ lib.optional (lib.versionAtLeast release_version "19") (
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getVersionFile "libclc/use-default-paths.patch"
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);
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# cmake expects all required binaries to be in the same place, so it will not be able to find clang without the patch
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postPatch =
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lib.optionalString (lib.versionOlder release_version "19") ''
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substituteInPlace CMakeLists.txt \
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--replace 'find_program( LLVM_CLANG clang PATHS ''${LLVM_TOOLS_BINARY_DIR} NO_DEFAULT_PATH )' \
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'find_program( LLVM_CLANG clang PATHS "${buildLlvmTools.clang.cc}/bin" NO_DEFAULT_PATH )' \
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--replace 'find_program( LLVM_AS llvm-as PATHS ''${LLVM_TOOLS_BINARY_DIR} NO_DEFAULT_PATH )' \
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'find_program( LLVM_AS llvm-as PATHS "${buildLlvmTools.llvm}/bin" NO_DEFAULT_PATH )' \
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--replace 'find_program( LLVM_LINK llvm-link PATHS ''${LLVM_TOOLS_BINARY_DIR} NO_DEFAULT_PATH )' \
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'find_program( LLVM_LINK llvm-link PATHS "${buildLlvmTools.llvm}/bin" NO_DEFAULT_PATH )' \
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--replace 'find_program( LLVM_OPT opt PATHS ''${LLVM_TOOLS_BINARY_DIR} NO_DEFAULT_PATH )' \
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'find_program( LLVM_OPT opt PATHS "${buildLlvmTools.llvm}/bin" NO_DEFAULT_PATH )' \
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--replace 'find_program( LLVM_SPIRV llvm-spirv PATHS ''${LLVM_TOOLS_BINARY_DIR} NO_DEFAULT_PATH )' \
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'find_program( LLVM_SPIRV llvm-spirv PATHS "${spirv-llvm-translator}/bin" NO_DEFAULT_PATH )'
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''
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+ lib.optionalString (stdenv.hostPlatform != stdenv.buildPlatform) ''
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substituteInPlace CMakeLists.txt \
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--replace 'COMMAND prepare_builtins' 'COMMAND ${buildLlvmTools.libclc.dev}/bin/prepare_builtins'
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'';
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nativeBuildInputs =
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[
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cmake
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ninja
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python3
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]
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++ lib.optional (lib.versionAtLeast release_version "19") [
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buildLlvmTools.clang.cc
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buildLlvmTools.llvm
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spirv-llvm-translator
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];
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buildInputs = [ llvm ];
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strictDeps = true;
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postInstall = ''
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install -Dt $dev/bin prepare_builtins
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'';
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meta = with lib; {
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homepage = "http://libclc.llvm.org/";
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description = "Implementation of the library requirements of the OpenCL C programming language";
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mainProgram = "prepare_builtins";
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license = licenses.mit;
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platforms = platforms.all;
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};
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}
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