116 lines
3.4 KiB
Nix
116 lines
3.4 KiB
Nix
{ lib, stdenv, fetch, cmake, libxml2, llvm, version, clang-tools-extra_src, python3, lld
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, fixDarwinDylibNames
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, enableManpages ? false
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, enablePolly ? false # TODO: get this info from llvm (passthru?)
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}:
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let
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self = stdenv.mkDerivation ({
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pname = "clang";
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inherit version;
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src = fetch "cfe" "0vc4i87qwxnw9lci4ayws9spakg0z6w5w670snj9f8g5m9rc8zg9";
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unpackPhase = ''
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unpackFile $src
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mv cfe-${version}* clang
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sourceRoot=$PWD/clang
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unpackFile ${clang-tools-extra_src}
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mv clang-tools-extra-* $sourceRoot/tools/extra
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'';
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nativeBuildInputs = [ cmake python3 ]
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++ lib.optional enableManpages python3.pkgs.sphinx
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++ lib.optional stdenv.hostPlatform.isDarwin fixDarwinDylibNames;
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buildInputs = [ libxml2 llvm lld ];
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cmakeFlags = [
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"-DCMAKE_CXX_FLAGS=-std=c++11"
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"-DLLVM_ENABLE_RTTI=ON"
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] ++ lib.optionals enableManpages [
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"-DCLANG_INCLUDE_DOCS=ON"
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"-DLLVM_ENABLE_SPHINX=ON"
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"-DSPHINX_OUTPUT_MAN=ON"
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"-DSPHINX_OUTPUT_HTML=OFF"
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"-DSPHINX_WARNINGS_AS_ERRORS=OFF"
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] ++ lib.optionals enablePolly [
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"-DWITH_POLLY=ON"
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"-DLINK_POLLY_INTO_TOOLS=ON"
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];
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patches = [
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./purity.patch
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# make clang -xhip use $PATH to find executables
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./HIP-use-PATH-7.patch
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];
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postPatch = ''
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sed -i -e 's/DriverArgs.hasArg(options::OPT_nostdlibinc)/true/' \
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-e 's/Args.hasArg(options::OPT_nostdlibinc)/true/' \
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lib/Driver/ToolChains/*.cpp
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# Patch for standalone doc building
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sed -i '1s,^,find_package(Sphinx REQUIRED)\n,' docs/CMakeLists.txt
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'' + lib.optionalString stdenv.hostPlatform.isMusl ''
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sed -i -e 's/lgcc_s/lgcc_eh/' lib/Driver/ToolChains/*.cpp
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'' + lib.optionalString stdenv.hostPlatform.isDarwin ''
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substituteInPlace tools/extra/clangd/CMakeLists.txt \
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--replace "NOT HAVE_CXX_ATOMICS64_WITHOUT_LIB" FALSE
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'';
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outputs = [ "out" "lib" "python" ];
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# Clang expects to find LLVMgold in its own prefix
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postInstall = ''
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if [ -e ${llvm}/lib/LLVMgold.so ]; then
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ln -sv ${llvm}/lib/LLVMgold.so $out/lib
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fi
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ln -sv $out/bin/clang $out/bin/cpp
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# Move libclang to 'lib' output
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moveToOutput "lib/libclang.*" "$lib"
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substituteInPlace $out/lib/cmake/clang/ClangTargets-release.cmake \
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--replace "\''${_IMPORT_PREFIX}/lib/libclang." "$lib/lib/libclang."
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mkdir -p $python/bin $python/share/clang/
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mv $out/bin/{git-clang-format,scan-view} $python/bin
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if [ -e $out/bin/set-xcode-analyzer ]; then
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mv $out/bin/set-xcode-analyzer $python/bin
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fi
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mv $out/share/clang/*.py $python/share/clang
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rm $out/bin/c-index-test
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'';
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passthru = {
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isClang = true;
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inherit llvm;
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};
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meta = {
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description = "A c, c++, objective-c, and objective-c++ frontend for the llvm compiler";
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homepage = "https://llvm.org/";
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license = lib.licenses.ncsa;
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platforms = lib.platforms.all;
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};
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} // lib.optionalAttrs enableManpages {
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pname = "clang-manpages";
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buildPhase = ''
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make docs-clang-man
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'';
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installPhase = ''
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mkdir -p $out/share/man/man1
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# Manually install clang manpage
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cp docs/man/*.1 $out/share/man/man1/
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'';
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outputs = [ "out" ];
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doCheck = false;
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meta.description = "man page for Clang ${version}";
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});
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in self
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