{ lib, stdenv, llvm_meta , monorepoSrc, runCommand , substituteAll, cmake, ninja, libxml2, libllvm, version, python3 , buildLlvmTools , fixDarwinDylibNames , enableManpages ? false }: let self = stdenv.mkDerivation (rec { pname = "clang"; inherit version; src = runCommand "${pname}-src-${version}" {} '' mkdir -p "$out" cp -r ${monorepoSrc}/cmake "$out" cp -r ${monorepoSrc}/${pname} "$out" cp -r ${monorepoSrc}/clang-tools-extra "$out" ''; sourceRoot = "${src.name}/${pname}"; nativeBuildInputs = [ cmake ninja python3 ] ++ lib.optional enableManpages python3.pkgs.sphinx ++ lib.optional stdenv.hostPlatform.isDarwin fixDarwinDylibNames; buildInputs = [ libxml2 libllvm ]; cmakeFlags = [ "-DCLANG_INSTALL_PACKAGE_DIR=${placeholder "dev"}/lib/cmake/clang" "-DCLANGD_BUILD_XPC=OFF" "-DLLVM_ENABLE_RTTI=ON" ] ++ lib.optionals enableManpages [ "-DCLANG_INCLUDE_DOCS=ON" "-DLLVM_ENABLE_SPHINX=ON" "-DSPHINX_OUTPUT_MAN=ON" "-DSPHINX_OUTPUT_HTML=OFF" "-DSPHINX_WARNINGS_AS_ERRORS=OFF" ] ++ lib.optionals (!stdenv.buildPlatform.canExecute stdenv.hostPlatform) [ "-DLLVM_TABLEGEN_EXE=${buildLlvmTools.llvm}/bin/llvm-tblgen" "-DCLANG_TABLEGEN=${buildLlvmTools.libclang.dev}/bin/clang-tblgen" # Added in LLVM15: # `clang-tidy-confusable-chars-gen`: https://github.com/llvm/llvm-project/commit/c3574ef739fbfcc59d405985a3a4fa6f4619ecdb # `clang-pseudo-gen`: https://github.com/llvm/llvm-project/commit/cd2292ef824591cc34cc299910a3098545c840c7 "-DCLANG_TIDY_CONFUSABLE_CHARS_GEN=${buildLlvmTools.libclang.dev}/bin/clang-tidy-confusable-chars-gen" "-DCLANG_PSEUDO_GEN=${buildLlvmTools.libclang.dev}/bin/clang-pseudo-gen" ]; patches = [ ./purity.patch # https://reviews.llvm.org/D51899 ./gnu-install-dirs.patch ../../common/clang/add-nostdlibinc-flag.patch (substituteAll { src = ../../clang-11-12-LLVMgold-path.patch; libllvmLibdir = "${libllvm.lib}/lib"; }) ]; postPatch = '' (cd tools && ln -s ../../clang-tools-extra extra) '' + lib.optionalString stdenv.hostPlatform.isMusl '' sed -i -e 's/lgcc_s/lgcc_eh/' lib/Driver/ToolChains/*.cpp ''; outputs = [ "out" "lib" "dev" "python" ]; env = lib.optionalAttrs (stdenv.buildPlatform != stdenv.hostPlatform) { # The following warning is triggered with (at least) gcc >= # 12, but appears to occur only for cross compiles. NIX_CFLAGS_COMPILE = "-Wno-maybe-uninitialized"; }; postInstall = '' ln -sv $out/bin/clang $out/bin/cpp # Move libclang to 'lib' output moveToOutput "lib/libclang.*" "$lib" moveToOutput "lib/libclang-cpp.*" "$lib" substituteInPlace $dev/lib/cmake/clang/ClangTargets-release.cmake \ --replace "\''${_IMPORT_PREFIX}/lib/libclang." "$lib/lib/libclang." \ --replace "\''${_IMPORT_PREFIX}/lib/libclang-cpp." "$lib/lib/libclang-cpp." mkdir -p $python/bin $python/share/clang/ mv $out/bin/{git-clang-format,scan-view} $python/bin if [ -e $out/bin/set-xcode-analyzer ]; then mv $out/bin/set-xcode-analyzer $python/bin fi mv $out/share/clang/*.py $python/share/clang rm $out/bin/c-index-test patchShebangs $python/bin mkdir -p $dev/bin cp bin/{clang-tblgen,clang-tidy-confusable-chars-gen,clang-pseudo-gen} $dev/bin ''; passthru = { inherit libllvm; isClang = true; hardeningUnsupportedFlags = [ "fortify3" ]; }; meta = llvm_meta // { homepage = "https://clang.llvm.org/"; description = "A C language family frontend for LLVM"; longDescription = '' The Clang project provides a language front-end and tooling infrastructure for languages in the C language family (C, C++, Objective C/C++, OpenCL, CUDA, and RenderScript) for the LLVM project. It aims to deliver amazingly fast compiles, extremely useful error and warning messages and to provide a platform for building great source level tools. The Clang Static Analyzer and clang-tidy are tools that automatically find bugs in your code, and are great examples of the sort of tools that can be built using the Clang frontend as a library to parse C/C++ code. ''; mainProgram = "clang"; }; } // lib.optionalAttrs enableManpages { pname = "clang-manpages"; ninjaFlags = [ "docs-clang-man" ]; installPhase = '' mkdir -p $out/share/man/man1 # Manually install clang manpage cp docs/man/*.1 $out/share/man/man1/ ''; outputs = [ "out" ]; doCheck = false; meta = llvm_meta // { description = "man page for Clang ${version}"; }; }); in self