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|
{ stdenv
, wrapCCWith
, llvm
, lld
, clang-unwrapped
, bintools
, libc
, libunwind
, libcxxabi
, libcxx
, compiler-rt
}:
wrapCCWith rec {
inherit libcxx bintools;
# We do this to avoid HIP pathing problems, and mimic a monolithic install
cc = stdenv.mkDerivation (finalAttrs: {
inherit (clang-unwrapped) version;
pname = "rocm-llvm-clang";
dontUnpack = true;
installPhase = ''
runHook preInstall
clang_version=`${clang-unwrapped}/bin/clang -v 2>&1 | grep "clang version " | grep -E -o "[0-9.-]+"`
mkdir -p $out/{bin,include/c++/v1,lib/{cmake,clang/$clang_version/{include,lib}},libexec,share}
for path in ${llvm} ${clang-unwrapped} ${lld} ${libc} ${libunwind} ${libcxxabi} ${libcxx} ${compiler-rt}; do
cp -as $path/* $out
chmod +w $out/{*,include/c++/v1,lib/{clang/$clang_version/include,cmake}}
rm -f $out/lib/libc++.so
done
ln -s $out/lib/* $out/lib/clang/$clang_version/lib
ln -sf $out/include/* $out/lib/clang/$clang_version/include
runHook postInstall
'';
passthru.isClang = true;
});
extraPackages = [
llvm
lld
libc
libunwind
libcxxabi
compiler-rt
];
nixSupport.cc-cflags = [
"-resource-dir=$out/resource-root"
"-fuse-ld=lld"
"-rtlib=compiler-rt"
"-unwindlib=libunwind"
"-Wno-unused-command-line-argument"
];
extraBuildCommands = ''
clang_version=`${cc}/bin/clang -v 2>&1 | grep "clang version " | grep -E -o "[0-9.-]+"`
mkdir -p $out/resource-root
ln -s ${cc}/lib/clang/$clang_version/{include,lib} $out/resource-root
# Not sure why, but hardening seems to make things break
echo "" > $out/nix-support/add-hardening.sh
# GPU compilation uses builtin `lld`
substituteInPlace $out/bin/{clang,clang++} \
--replace "-MM) dontLink=1 ;;" "-MM | --cuda-device-only) dontLink=1 ;;''\n--cuda-host-only | --cuda-compile-host-device) dontLink=0 ;;"
'';
}
|