bscpkgs/bsc/llvm-ompss2/clang.nix

85 lines
1.8 KiB
Nix

{
stdenv
, fetchFromGitHub
, cmake
, lld
, bash
, python3
, perl
, which
, libelf
, libffi
, pkg-config
, enableDebug ? false
}:
stdenv.mkDerivation rec {
version = "2020.11";
pname = "clang-ompss2";
src = fetchFromGitHub {
owner = "bsc-pm";
repo = "llvm";
rev = "github-release-${version}";
sha256 = "00z3xlw36lbiz84a47k95gin9fzsni5jd1f71dpg5l2qjy961qma";
};
enableParallelBuilding = true;
isClang = true;
passthru = {
CC = "clang";
CXX = "clang++";
};
isClangWithOmpss = true;
buildInputs = [
which
bash
python3
perl
cmake
lld
libelf
libffi
pkg-config
];
# Error with -D_FORTIFY_SOURCE=2, see https://bugs.gentoo.org/636604:
# /build/source/compiler-rt/lib/tsan/dd/dd_interceptors.cpp:225:20:
# error: redefinition of 'realpath'
hardeningDisable = [ "fortify" ];
cmakeBuildType = if enableDebug then "Debug" else "Release";
dontUseCmakeBuildDir = true;
enableAssertions = if enableDebug then "ON" else "OFF";
preConfigure = ''
mkdir -p build
cd build
cmakeDir="../llvm"
cmakeFlagsArray=(
"-DLLVM_ENABLE_LLD=ON"
"-DCMAKE_CXX_FLAGS_DEBUG=-g -ggnu-pubnames"
"-DCMAKE_EXE_LINKER_FLAGS_DEBUG=-Wl,-gdb-index"
"-DLLVM_LIT_ARGS=-sv --xunit-xml-output=xunit.xml"
"-DLLVM_ENABLE_PROJECTS=clang;openmp;compiler-rt"
"-DLLVM_ENABLE_ASSERTIONS=${enableAssertions}"
"-DLLVM_INSTALL_TOOLCHAIN_ONLY=ON"
)
'';
# Remove support for GNU and Intel Openmp
postInstall = ''
rm $out/lib/libgomp*
rm $out/lib/libiomp*
'';
# About "-DCLANG_DEFAULT_NANOS6_HOME=${nanos6}", we could specify a default
# nanos6 installation, but this is would require a recompilation of clang each
# time nanos6 is changed. Better to use the environment variable NANOS6_HOME,
# and specify nanos6 at run time.
}