jungle/pkgs/llvm-ompss2/default.nix

105 lines
3.5 KiB
Nix

{
stdenv
, lib
, gcc
, clangOmpss2Unwrapped
, writeShellScript
, openmp ? null
, wrapCCWith
, llvmPackages_latest
, ompss2rt ? null
}:
with lib;
let
usingNodesAndOmpv = (openmp.pname == "openmp-v" && ompss2rt.pname == "nodes");
sameNosv = openmp.nosv == ompss2rt.nosv;
in
assert assertMsg (usingNodesAndOmpv -> sameNosv) "OpenMP-V and NODES must share the same nOS-V";
let
homevar = if ompss2rt.pname == "nanos6" then "NANOS6_HOME" else "NODES_HOME";
rtname = if ompss2rt.pname == "nanos6" then "libnanos6" else "libnodes";
ompname = if openmp.pname == "openmp-v" then "libompv" else "libomp";
# 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_latest.tools.bintools-unwrapped.override {
lld = clangOmpss2Unwrapped;
};
bintools = llvmPackages_latest.tools.bintools.override {
bintools = bintools-unwrapped;
};
targetConfig = stdenv.targetPlatform.config;
inherit gcc;
cc = clangOmpss2Unwrapped;
gccVersion = with versions; let v = gcc.version; in concatStringsSep "." [(major v) (minor v) (patch v)];
extraBuildCommands = ''
echo "-target ${targetConfig}" >> $out/nix-support/cc-cflags
echo "-B${gcc.cc}/lib/gcc/${targetConfig}/${gccVersion}" >> $out/nix-support/cc-cflags
echo "-L${gcc.cc}/lib/gcc/${targetConfig}/${gccVersion}" >> $out/nix-support/cc-ldflags
echo "-L${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
wrap clang++ $wrapper $ccPath/clang++
'';
envExports = lib.optionalString (openmp != null) ''
echo "export OPENMP_RUNTIME=${ompname}" >> $out/nix-support/cc-wrapper-hook
'' + optionalString (ompss2rt != null) ''
echo "export OMPSS2_RUNTIME=${rtname}" >> $out/nix-support/cc-wrapper-hook
echo "export ${homevar}=${ompss2rt}" >> $out/nix-support/cc-wrapper-hook
'' + optionalString (ompss2rt != null && ompss2rt.pname == "nodes") ''
echo "export NOSV_HOME=${ompss2rt.nosv}" >> $out/nix-support/cc-wrapper-hook
'';
extraPackages = optional (openmp != null) openmp;
wrappedCC = wrapCCWith {
# extraPackages adds packages to depsTargetTargetPropagated
inherit cc bintools extraPackages;
extraBuildCommands = extraBuildCommands + envExports;
};
resetIntelCCFlags = let tconf = builtins.replaceStrings ["-"] ["_"] targetConfig;
in writeShellScript "remove-intel.sh" ''
if [ "''${NIX_CC_WRAPPER_INTEL:-0}" = 1 ]; then
unset NIX_CFLAGS_COMPILE_${tconf}
unset NIX_CC_WRAPPER_FLAGS_SET_${tconf}
if (( "''${NIX_DEBUG:-0}" >= 1 )); then
echo "ompss2: cleaned NIX_CFLAGS_COMPILE_${tconf} (invokation from intel compiler detected)"
fi
fi
'';
intelExtraBuildCommands = ''
sed -i 's|# Flirting.*|source ${resetIntelCCFlags}\n\n&|' $out/bin/clang
sed -i 's|# Flirting.*|source ${resetIntelCCFlags}\n\n&|' $out/bin/clang++
'';
wrappedCCIntel = wrapCCWith {
inherit cc bintools extraPackages;
# extraPackages adds packages to depsTargetTargetPropagated
extraBuildCommands = intelExtraBuildCommands + envExports;
};
in wrappedCC.overrideAttrs (oldAttrs: {
passthru = oldAttrs.passthru // {
forIcpx = wrappedCCIntel;
};
})