47 lines
1.4 KiB
Nix
47 lines
1.4 KiB
Nix
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{
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stdenv
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, lib
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, gcc
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, clangEpiUnwrapped
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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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let
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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 = clangEpiUnwrapped;
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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 = clangEpiUnwrapped;
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in wrapCCWith {
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inherit cc bintools;
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# extraPackages adds packages to depsTargetTargetPropagated
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extraPackages = lib.optional (openmp != null) openmp;
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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/${targetConfig}/${gcc.version}" >> $out/nix-support/cc-cflags
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echo "-L${gcc.cc}/lib/gcc/${targetConfig}/${gcc.version}" >> $out/nix-support/cc-ldflags
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echo "-L${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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}
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