core/pkgs/by-name/ll/llvm/common/libclc.nix

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2024-05-02 00:46:19 +00:00
{ lib, stdenv, version, runCommand, monorepoSrc, llvm, buildPackages, buildLlvmTools, ninja, cmake, python3 }:
stdenv.mkDerivation rec {
pname = "libclc";
inherit version;
src = runCommand "${pname}-src-${version}" {} ''
mkdir -p "$out"
cp -r ${monorepoSrc}/cmake "$out"
cp -r ${monorepoSrc}/${pname} "$out"
'';
sourceRoot = "${src.name}/${pname}";
outputs = [ "out" "dev" ];
patches = [
./libclc/libclc-gnu-install-dirs.patch
];
# cmake expects all required binaries to be in the same place, so it will not be able to find clang without the patch
postPatch = ''
substituteInPlace CMakeLists.txt \
--replace 'find_program( LLVM_CLANG clang PATHS ''${LLVM_TOOLS_BINARY_DIR} NO_DEFAULT_PATH )' \
'find_program( LLVM_CLANG clang PATHS "${buildLlvmTools.clang.cc}/bin" NO_DEFAULT_PATH )' \
--replace 'find_program( LLVM_AS llvm-as PATHS ''${LLVM_TOOLS_BINARY_DIR} NO_DEFAULT_PATH )' \
'find_program( LLVM_AS llvm-as PATHS "${buildLlvmTools.llvm}/bin" NO_DEFAULT_PATH )' \
--replace 'find_program( LLVM_LINK llvm-link PATHS ''${LLVM_TOOLS_BINARY_DIR} NO_DEFAULT_PATH )' \
'find_program( LLVM_LINK llvm-link PATHS "${buildLlvmTools.llvm}/bin" NO_DEFAULT_PATH )' \
--replace 'find_program( LLVM_OPT opt PATHS ''${LLVM_TOOLS_BINARY_DIR} NO_DEFAULT_PATH )' \
'find_program( LLVM_OPT opt PATHS "${buildLlvmTools.llvm}/bin" NO_DEFAULT_PATH )' \
--replace 'find_program( LLVM_SPIRV llvm-spirv PATHS ''${LLVM_TOOLS_BINARY_DIR} NO_DEFAULT_PATH )' \
'find_program( LLVM_SPIRV llvm-spirv PATHS "${buildPackages.spirv-llvm-translator.override { inherit (buildLlvmTools) llvm; }}/bin" NO_DEFAULT_PATH )'
'' + lib.optionalString (stdenv.hostPlatform != stdenv.buildPlatform) ''
substituteInPlace CMakeLists.txt \
--replace 'COMMAND prepare_builtins' 'COMMAND ${buildLlvmTools.libclc.dev}/bin/prepare_builtins'
'';
nativeBuildInputs = [ cmake ninja python3 ];
buildInputs = [ llvm ];
strictDeps = true;
postInstall = ''
install -Dt $dev/bin prepare_builtins
'';
meta = with lib; {
homepage = "http://libclc.llvm.org/";
description = "Implementation of the library requirements of the OpenCL C programming language";
mainProgram = "prepare_builtins";
license = licenses.mit;
platforms = platforms.all;
};
}