diff options
Diffstat (limited to 'nixpkgs/pkgs/development/compilers/llvm/18/clang/default.nix')
| -rw-r--r-- | nixpkgs/pkgs/development/compilers/llvm/18/clang/default.nix | 139 |
1 files changed, 139 insertions, 0 deletions
diff --git a/nixpkgs/pkgs/development/compilers/llvm/18/clang/default.nix b/nixpkgs/pkgs/development/compilers/llvm/18/clang/default.nix new file mode 100644 index 000000000000..1e777c6132e4 --- /dev/null +++ b/nixpkgs/pkgs/development/compilers/llvm/18/clang/default.nix @@ -0,0 +1,139 @@ +{ lib, stdenv, llvm_meta +, monorepoSrc, runCommand +, substituteAll, cmake, ninja, libxml2, libllvm, version, python3 +, buildLlvmTools +, fixDarwinDylibNames +, enableManpages ? false +}: + +let + self = stdenv.mkDerivation (finalAttrs: 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 (lib.versionAtLeast version "18" && enableManpages) python3.pkgs.myst-parser + ++ lib.optional enableManpages python3.pkgs.sphinx + ++ lib.optional stdenv.hostPlatform.isDarwin fixDarwinDylibNames; + + buildInputs = [ libxml2 libllvm ]; + + cmakeFlags = [ + "-DCLANG_INSTALL_PACKAGE_DIR=${placeholder "dev"}/lib/cmake/clang" + "-DCLANGD_BUILD_XPC=OFF" + "-DLLVM_ENABLE_RTTI=ON" + "-DLLVM_INCLUDE_TESTS=OFF" + ] ++ lib.optionals enableManpages [ + "-DCLANG_INCLUDE_DOCS=ON" + "-DLLVM_ENABLE_SPHINX=ON" + "-DSPHINX_OUTPUT_MAN=ON" + "-DSPHINX_OUTPUT_HTML=OFF" + "-DSPHINX_WARNINGS_AS_ERRORS=OFF" + ] ++ lib.optionals (!stdenv.buildPlatform.canExecute stdenv.hostPlatform) [ + "-DLLVM_TABLEGEN_EXE=${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=${buildLlvmTools.libclang.dev}/bin/clang-pseudo-gen" + ]; + + patches = [ + ./purity.patch + # https://reviews.llvm.org/D51899 + ./gnu-install-dirs.patch + ../../common/clang/add-nostdlibinc-flag.patch + (substituteAll { + src = ../../common/clang/clang-at-least-16-LLVMgold-path.patch; + libllvmLibdir = "${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" ]; + + 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" + ]; + hardeningUnsupportedFlagsByTargetPlatform = targetPlatform: + lib.optional (!(targetPlatform.isx86_64 || targetPlatform.isAarch64)) "zerocallusedregs" + ++ (finalAttrs.passthru.hardeningUnsupportedFlags or []); + }; + + 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 |