bscpkgs/bsc/llvm-ompss2/default.nix

55 lines
1.5 KiB
Nix

{
stdenv
, gcc
, rt
, clangOmpss2Unwrapped
, wrapCCWith
, llvmPackages
}:
let
# We need to replace the lld linker from bintools with our linker just built,
# otherwise we run into incompatibility issues when mixing compiler and linker
# versions.
bintools-unwrapped = llvmPackages.tools.bintools-unwrapped.override {
lld = clangOmpss2Unwrapped;
};
bintools = llvmPackages.tools.bintools.override {
bintools = bintools-unwrapped;
};
homevar = if rt.pname == "nanos6"
then
"NANOS6_HOME"
else
"NODES_HOME";
targetConfig = stdenv.targetPlatform.config;
inherit gcc;
cc = clangOmpss2Unwrapped;
in wrapCCWith {
inherit cc bintools;
extraBuildCommands = ''
echo "-target ${targetConfig}" >> $out/nix-support/cc-cflags
echo "-B${gcc.cc}/lib/gcc/${targetConfig}/${gcc.version}" >> $out/nix-support/cc-cflags
echo "-L${gcc.cc}/lib/gcc/${targetConfig}/${gcc.version}" >> $out/nix-support/cc-ldflags
echo "-L${gcc.cc.lib}/lib" >> $out/nix-support/cc-ldflags
for dir in ${gcc.cc}/include/c++/*; do
echo "-isystem $dir" >> $out/nix-support/libcxx-cxxflags
done
for dir in ${gcc.cc}/include/c++/*/${targetConfig}; do
echo "-isystem $dir" >> $out/nix-support/libcxx-cxxflags
done
echo "--gcc-toolchain=${gcc}" >> $out/nix-support/cc-cflags
# Setup NANOS6_HOME or NODES_HOME, based on the runtime.
echo "export ${homevar}=${rt}" >> $out/nix-support/setup-hook
wrap clang++ $wrapper $ccPath/clang++
'';
}