jungle/pkgs/llvm-ompss2/clang.nix
Aleix Roca Nonell 0086b9452a Fix llvm postInstall
Some llvm versions do not generate the intel and gomp support libraries
and the post install script fails because it cannot remove them. This
patch makes removal optional.

Reviewed-By: Rodrigo Arias Mallo <rodrigo.arias@bsc.es>
2023-11-15 16:21:47 +01:00

134 lines
3.3 KiB
Nix

{
llvmPackages_latest
, lib
, fetchFromGitHub
, cmake
, bash
, python3
, perl
, which
, elfutils
, libffi
, zlib
, nosv
, pkg-config
, enableDebug ? false
, enableNosv ? false
, useGit ? false
, gitUrl ? "ssh://git@bscpm03.bsc.es/llvm-ompss/llvm-mono.git"
, gitBranch ? "master"
, gitCommit ? "8d106db69c02fb6ec10baedc47b76f068b419d4a"
}:
let
stdenv = llvmPackages_latest.stdenv;
release = rec {
version = "2023.05.1";
src = fetchFromGitHub {
owner = "bsc-pm";
repo = "llvm";
rev = "refs/tags/github-release-${version}";
sha256 = "sha256-NB/27F1ZRJf6MXFQjinT2gCsoPbEZYlBMhd3uKcK2GM=";
};
};
git = rec {
version = src.shortRev;
src = builtins.fetchGit {
url = gitUrl;
ref = gitBranch;
rev = gitCommit;
};
};
source = if (useGit) then git else release;
in stdenv.mkDerivation rec {
pname = "clang-ompss2";
inherit (source) src version;
enableParallelBuilding = true;
isClang = true;
passthru = {
CC = "clang";
CXX = "clang++";
};
isClangWithOmpss = true;
nativeBuildInputs = [ zlib ];
buildInputs = [
which
bash
python3
perl
cmake
llvmPackages_latest.lld
elfutils
libffi
pkg-config
zlib
] ++ lib.optionals enableNosv [
nosv
];
# Error with -D_FORTIFY_SOURCE=2, see https://bugs.gentoo.org/636604:
# /build/source/compiler-rt/lib/tsan/dd/dd_interceptors.cpp:225:20:
# error: redefinition of 'realpath'
# Requires disabling the "fortify" set of flags, however, for performance we
# disable all:
hardeningDisable = [ "all" ];
cmakeBuildType = if enableDebug then "Debug" else "Release";
dontUseCmakeBuildDir = true;
# Fix the host triple, as it has changed in a newer config.guess:
# https://git.savannah.gnu.org/gitweb/?p=config.git;a=commitdiff;h=ca9bfb8cc75a2be1819d89c664a867785c96c9ba
preConfigure = ''
mkdir -p build
cd build
cmakeDir="../llvm"
cmakeFlagsArray=(
"-DLLVM_HOST_TRIPLE=${stdenv.targetPlatform.config}"
"-DLLVM_TARGETS_TO_BUILD=host"
"-DLLVM_BUILD_LLVM_DYLIB=ON"
"-DLLVM_LINK_LLVM_DYLIB=ON"
# Required to run clang-ast-dump and clang-tblgen during build
"-DCMAKE_BUILD_RPATH=$PWD/lib:${zlib}/lib"
"-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;lld"
"-DLLVM_ENABLE_ASSERTIONS=ON"
"-DLLVM_INSTALL_TOOLCHAIN_ONLY=ON"
"-DCMAKE_INSTALL_BINDIR=bin"
"-DLLVM_ENABLE_ZLIB=FORCE_ON"
"-DLLVM_ENABLE_LIBXML2=OFF"
'' + (lib.optionalString enableNosv ''
"-DCLANG_DEFAULT_NOSV_HOME=${nosv}"
'') + ''
# Set the rpath to include external libraries (zlib) both on build and
# install
"-DCMAKE_INSTALL_RPATH_USE_LINK_PATH=ON"
"-DCMAKE_INSTALL_RPATH=${zlib}/lib"
)
'';
# Remove support for GNU and Intel Openmp
postInstall = ''
rm -f $out/lib/libgomp*
rm -f $out/lib/libiomp*
'';
# About "-DCLANG_DEFAULT_NANOS6_HOME=${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.
}