class LlvmAT4 < Formula desc "Next-gen compiler infrastructure" homepage "https://llvm.org/" url "https://releases.llvm.org/4.0.1/llvm-4.0.1.src.tar.xz" sha256 "da783db1f82d516791179fe103c71706046561f7972b18f0049242dee6712b51" revision 1 bottle do cellar :any sha256 "d9a4baa88b775e4fb640532b08d1aa290ab7a606683cd3e40a8afedb7f502bbf" => :mojave sha256 "ee8df6a837856170a8e4acd2be96bda6bbb3a17901491c1f0a8cc3da391254aa" => :high_sierra sha256 "b9f1d2ba25ebe94dd48e7ecbbb7d83f657b435f9a3a4c8aed9e55936fc7ae9ef" => :sierra end keg_only :versioned_formula depends_on "cmake" => :build depends_on "libffi" depends_on "python@2" if MacOS.version <= :snow_leopard resource "clang" do url "https://releases.llvm.org/4.0.1/cfe-4.0.1.src.tar.xz" sha256 "61738a735852c23c3bdbe52d035488cdb2083013f384d67c1ba36fabebd8769b" end resource "clang-extra-tools" do url "https://releases.llvm.org/4.0.1/clang-tools-extra-4.0.1.src.tar.xz" sha256 "35d1e64efc108076acbe7392566a52c35df9ec19778eb9eb12245fc7d8b915b6" end resource "compiler-rt" do url "https://releases.llvm.org/4.0.1/compiler-rt-4.0.1.src.tar.xz" sha256 "a3c87794334887b93b7a766c507244a7cdcce1d48b2e9249fc9a94f2c3beb440" end resource "libcxx" do url "https://releases.llvm.org/4.0.1/libcxx-4.0.1.src.tar.xz" sha256 "520a1171f272c9ff82f324d5d89accadcec9bc9f3c78de11f5575cdb99accc4c" end resource "libunwind" do url "https://releases.llvm.org/4.0.1/libunwind-4.0.1.src.tar.xz" sha256 "3b072e33b764b4f9b5172698e080886d1f4d606531ab227772a7fc08d6a92555" end resource "lld" do url "https://releases.llvm.org/4.0.1/lld-4.0.1.src.tar.xz" sha256 "63ce10e533276ca353941ce5ab5cc8e8dcd99dbdd9c4fa49f344a212f29d36ed" end resource "lldb" do url "https://releases.llvm.org/4.0.1/lldb-4.0.1.src.tar.xz" sha256 "8432d2dfd86044a0fc21713e0b5c1d98e1d8aad863cf67562879f47f841ac47b" end resource "openmp" do url "https://releases.llvm.org/4.0.1/openmp-4.0.1.src.tar.xz" sha256 "ec693b170e0600daa7b372240a06e66341ace790d89eaf4a843e8d56d5f4ada4" end resource "polly" do url "https://releases.llvm.org/4.0.1/polly-4.0.1.src.tar.xz" sha256 "b443bb9617d776a7d05970e5818aa49aa2adfb2670047be8e9f242f58e84f01a" end def install # Apple's libstdc++ is too old to build LLVM ENV.libcxx if ENV.compiler == :clang (buildpath/"tools/clang").install resource("clang") (buildpath/"tools/clang/tools/extra").install resource("clang-extra-tools") (buildpath/"projects/openmp").install resource("openmp") (buildpath/"projects/libcxx").install resource("libcxx") (buildpath/"projects/libunwind").install resource("libunwind") (buildpath/"tools/lld").install resource("lld") (buildpath/"tools/polly").install resource("polly") (buildpath/"projects/compiler-rt").install resource("compiler-rt") # compiler-rt has some iOS simulator features that require i386 symbols # I'm assuming the rest of clang needs support too for 32-bit compilation # to work correctly, but if not, perhaps universal binaries could be # limited to compiler-rt. llvm makes this somewhat easier because compiler-rt # can almost be treated as an entirely different build from llvm. ENV.permit_arch_flags args = %W[ -DLIBOMP_ARCH=x86_64 -DLINK_POLLY_INTO_TOOLS=ON -DLLVM_BUILD_EXTERNAL_COMPILER_RT=ON -DLLVM_BUILD_LLVM_DYLIB=ON -DLLVM_ENABLE_EH=ON -DLLVM_ENABLE_FFI=ON -DLLVM_ENABLE_LIBCXX=ON -DLLVM_ENABLE_RTTI=ON -DLLVM_INCLUDE_DOCS=OFF -DLLVM_INSTALL_UTILS=ON -DLLVM_OPTIMIZED_TABLEGEN=ON -DLLVM_TARGETS_TO_BUILD=all -DWITH_POLLY=ON -DFFI_INCLUDE_DIR=#{Formula["libffi"].opt_lib}/libffi-#{Formula["libffi"].version}/include -DFFI_LIBRARY_DIR=#{Formula["libffi"].opt_lib} -DLLVM_CREATE_XCODE_TOOLCHAIN=ON ] mkdir "build" do system "cmake", "-G", "Unix Makefiles", "..", *(std_cmake_args + args) system "make" system "make", "install" system "make", "install-xcode-toolchain" end (share/"clang/tools").install Dir["tools/clang/tools/scan-{build,view}"] (share/"cmake").install "cmake/modules" inreplace "#{share}/clang/tools/scan-build/bin/scan-build", "$RealBin/bin/clang", "#{bin}/clang" bin.install_symlink share/"clang/tools/scan-build/bin/scan-build", share/"clang/tools/scan-view/bin/scan-view" man1.install_symlink share/"clang/tools/scan-build/man/scan-build.1" # install llvm python bindings (lib/"python2.7/site-packages").install buildpath/"bindings/python/llvm" (lib/"python2.7/site-packages").install buildpath/"tools/clang/bindings/python/clang" end def caveats; <<~EOS To use the bundled libc++ please add the following LDFLAGS: LDFLAGS="-L#{opt_lib} -Wl,-rpath,#{opt_lib}" EOS end test do assert_equal prefix.to_s, shell_output("#{bin}/llvm-config --prefix").chomp (testpath/"omptest.c").write <<~EOS #include #include #include int main() { #pragma omp parallel num_threads(4) { printf("Hello from thread %d, nthreads %d\\n", omp_get_thread_num(), omp_get_num_threads()); } return EXIT_SUCCESS; } EOS system "#{bin}/clang", "-L#{lib}", "-fopenmp", "-nobuiltininc", "-I#{lib}/clang/#{version}/include", "omptest.c", "-o", "omptest" testresult = shell_output("./omptest") sorted_testresult = testresult.split("\n").sort.join("\n") expected_result = <<~EOS Hello from thread 0, nthreads 4 Hello from thread 1, nthreads 4 Hello from thread 2, nthreads 4 Hello from thread 3, nthreads 4 EOS assert_equal expected_result.strip, sorted_testresult.strip (testpath/"test.c").write <<~EOS #include int main() { printf("Hello World!\\n"); return 0; } EOS (testpath/"test.cpp").write <<~EOS #include int main() { std::cout << "Hello World!" << std::endl; return 0; } EOS # Testing Command Line Tools if MacOS::CLT.installed? libclangclt = Dir["/Library/Developer/CommandLineTools/usr/lib/clang/#{MacOS::CLT.version.to_i}*"].last { |f| File.directory? f } system "#{bin}/clang++", "-v", "-nostdinc", "-I/Library/Developer/CommandLineTools/usr/include/c++/v1", "-I#{libclangclt}/include", "-I/usr/include", # need it because /Library/.../usr/include/c++/v1/iosfwd refers to , which CLT installs to /usr/include "test.cpp", "-o", "testCLT++" assert_includes MachO::Tools.dylibs("testCLT++"), "/usr/lib/libc++.1.dylib" assert_equal "Hello World!", shell_output("./testCLT++").chomp system "#{bin}/clang", "-v", "-nostdinc", "-I/usr/include", # this is where CLT installs stdio.h "test.c", "-o", "testCLT" assert_equal "Hello World!", shell_output("./testCLT").chomp end # Testing Xcode if MacOS::Xcode.installed? libclangxc = Dir["#{MacOS::Xcode.toolchain_path}/usr/lib/clang/#{DevelopmentTools.clang_version}*"].last { |f| File.directory? f } system "#{bin}/clang++", "-v", "-nostdinc", "-I#{MacOS::Xcode.toolchain_path}/usr/include/c++/v1", "-I#{libclangxc}/include", "-I#{MacOS.sdk_path}/usr/include", "test.cpp", "-o", "testXC++" assert_includes MachO::Tools.dylibs("testXC++"), "/usr/lib/libc++.1.dylib" assert_equal "Hello World!", shell_output("./testXC++").chomp system "#{bin}/clang", "-v", "-nostdinc", "-I#{MacOS.sdk_path}/usr/include", "test.c", "-o", "testXC" assert_equal "Hello World!", shell_output("./testXC").chomp end # link against installed libc++ # related to https://github.com/Homebrew/legacy-homebrew/issues/47149 system "#{bin}/clang++", "-v", "-nostdinc", "-std=c++11", "-stdlib=libc++", "-I#{MacOS::Xcode.toolchain_path}/usr/include/c++/v1", "-I#{libclangxc}/include", "-I#{MacOS.sdk_path}/usr/include", "-L#{lib}", "-Wl,-rpath,#{lib}", "test.cpp", "-o", "test" assert_includes MachO::Tools.dylibs("test"), "#{opt_lib}/libc++.1.dylib" assert_equal "Hello World!", shell_output("./test").chomp end end