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