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{ lib, stdenv, fetchFromGitHub, buildPackages, ninja, cmake, python3, llvm_14 }:
stdenv.mkDerivation rec {
pname = "libclc";
version = "16.0.3";
src = fetchFromGitHub {
owner = "llvm";
repo = "llvm-project";
rev = "llvmorg-${version}";
hash = "sha256-paWwnoU3XMqreRgh9JbT1tDMTwq/ZL0ss3SJTteEGL0=";
};
sourceRoot = "${src.name}/libclc";
outputs = [ "out" "dev" ];
patches = [
./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 ''${LLVM_TOOLS_BINARY_DIR} NO_DEFAULT_PATH )' \
'find_program( LLVM_CLANG clang PATHS "${buildPackages.clang_14.cc}/bin" NO_DEFAULT_PATH )' \
--replace 'find_program( LLVM_AS llvm-as PATHS ''${LLVM_TOOLS_BINARY_DIR} NO_DEFAULT_PATH )' \
'find_program( LLVM_AS llvm-as PATHS "${buildPackages.llvm_14}/bin" NO_DEFAULT_PATH )' \
--replace 'find_program( LLVM_LINK llvm-link PATHS ''${LLVM_TOOLS_BINARY_DIR} NO_DEFAULT_PATH )' \
'find_program( LLVM_LINK llvm-link PATHS "${buildPackages.llvm_14}/bin" NO_DEFAULT_PATH )' \
--replace 'find_program( LLVM_OPT opt PATHS ''${LLVM_TOOLS_BINARY_DIR} NO_DEFAULT_PATH )' \
'find_program( LLVM_OPT opt PATHS "${buildPackages.llvm_14}/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}/bin" NO_DEFAULT_PATH )'
'' + lib.optionalString (stdenv.hostPlatform != stdenv.buildPlatform) ''
substituteInPlace CMakeLists.txt \
--replace 'COMMAND prepare_builtins' 'COMMAND ${buildPackages.libclc.dev}/bin/prepare_builtins'
'';
nativeBuildInputs = [ cmake ninja python3 ];
buildInputs = [ llvm_14 ];
strictDeps = true;
postInstall = ''
install -Dt $dev/bin prepare_builtins
'';
meta = with lib; {
broken = stdenv.isDarwin;
homepage = "http://libclc.llvm.org/";
description = "Implementation of the library requirements of the OpenCL C programming language";
license = licenses.mit;
platforms = platforms.all;
};
}
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