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