269 lines
10 KiB
Ruby
269 lines
10 KiB
Ruby
class LlvmAT8 < Formula
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desc "Next-gen compiler infrastructure"
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homepage "https://llvm.org/"
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url "https://github.com/llvm/llvm-project/releases/download/llvmorg-8.0.1/llvm-8.0.1.src.tar.xz"
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sha256 "44787a6d02f7140f145e2250d56c9f849334e11f9ae379827510ed72f12b75e7"
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license "NCSA"
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revision 3
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bottle do
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sha256 cellar: :any, catalina: "ab099d84e5f0a58ea37172fd85753336d855fc25e9459ceff12ddc2dbb56ef71"
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sha256 cellar: :any, mojave: "ee795cbebce64f79bbcf7c42526093df7bd2e5e986a721197bca5cf6c822e87a"
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sha256 cellar: :any, high_sierra: "3f80b7119307b128b1e3ae8a2fea97a9878afb5a7436a7d35615b1e743bc7622"
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end
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# Clang cannot find system headers if Xcode CLT is not installed
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pour_bottle? do
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reason "The bottle needs the Xcode CLT to be installed."
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satisfy { MacOS::CLT.installed? }
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end
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keg_only :versioned_formula
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# https://llvm.org/docs/GettingStarted.html#requirement
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depends_on "cmake" => :build
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depends_on xcode: :build
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depends_on arch: :x86_64
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depends_on "libffi"
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depends_on "swig"
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resource "clang" do
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url "https://github.com/llvm/llvm-project/releases/download/llvmorg-8.0.1/cfe-8.0.1.src.tar.xz"
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sha256 "70effd69f7a8ab249f66b0a68aba8b08af52aa2ab710dfb8a0fba102685b1646"
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end
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resource "clang-extra-tools" do
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url "https://github.com/llvm/llvm-project/releases/download/llvmorg-8.0.1/clang-tools-extra-8.0.1.src.tar.xz"
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sha256 "187179b617e4f07bb605cc215da0527e64990b4a7dd5cbcc452a16b64e02c3e1"
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end
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resource "compiler-rt" do
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url "https://github.com/llvm/llvm-project/releases/download/llvmorg-8.0.1/compiler-rt-8.0.1.src.tar.xz"
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sha256 "11828fb4823387d820c6715b25f6b2405e60837d12a7469e7a8882911c721837"
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end
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resource "libcxx" do
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url "https://github.com/llvm/llvm-project/releases/download/llvmorg-8.0.1/libcxx-8.0.1.src.tar.xz"
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sha256 "7f0652c86a0307a250b5741ab6e82bb10766fb6f2b5a5602a63f30337e629b78"
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end
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resource "libunwind" do
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url "https://github.com/llvm/llvm-project/releases/download/llvmorg-8.0.1/libunwind-8.0.1.src.tar.xz"
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sha256 "1870161dda3172c63e632c1f60624564e1eb0f9233cfa8f040748ca5ff630f6e"
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end
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resource "lld" do
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url "https://github.com/llvm/llvm-project/releases/download/llvmorg-8.0.1/lld-8.0.1.src.tar.xz"
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sha256 "9fba1e94249bd7913e8a6c3aadcb308b76c8c3d83c5ce36c99c3f34d73873d88"
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end
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resource "lldb" do
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url "https://github.com/llvm/llvm-project/releases/download/llvmorg-8.0.1/lldb-8.0.1.src.tar.xz"
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sha256 "e8a79baa6d11dd0650ab4a1b479f699dfad82af627cbbcd49fa6f2dc14e131d7"
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end
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resource "openmp" do
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url "https://github.com/llvm/llvm-project/releases/download/llvmorg-8.0.1/openmp-8.0.1.src.tar.xz"
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sha256 "3e85dd3cad41117b7c89a41de72f2e6aa756ea7b4ef63bb10dcddf8561a7722c"
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end
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resource "polly" do
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url "https://github.com/llvm/llvm-project/releases/download/llvmorg-8.0.1/polly-8.0.1.src.tar.xz"
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sha256 "e8a1f7e8af238b32ce39ab5de1f3317a2e3f7d71a8b1b8bbacbd481ac76fd2d1"
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end
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def install
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# Apple's libstdc++ is too old to build LLVM
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ENV.libcxx if ENV.compiler == :clang
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(buildpath/"tools/clang").install resource("clang")
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(buildpath/"tools/clang/tools/extra").install resource("clang-extra-tools")
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(buildpath/"projects/openmp").install resource("openmp")
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(buildpath/"projects/libcxx").install resource("libcxx")
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(buildpath/"projects/libunwind").install resource("libunwind")
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(buildpath/"tools/lld").install resource("lld")
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(buildpath/"tools/lldb").install resource("lldb")
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(buildpath/"tools/polly").install resource("polly")
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(buildpath/"projects/compiler-rt").install resource("compiler-rt")
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# compiler-rt has some iOS simulator features that require i386 symbols
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# I'm assuming the rest of clang needs support too for 32-bit compilation
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# to work correctly, but if not, perhaps universal binaries could be
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# limited to compiler-rt. llvm makes this somewhat easier because compiler-rt
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# can almost be treated as an entirely different build from llvm.
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ENV.permit_arch_flags
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args = %W[
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-DLIBOMP_ARCH=x86_64
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-DLINK_POLLY_INTO_TOOLS=ON
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-DLLVM_BUILD_EXTERNAL_COMPILER_RT=ON
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-DLLVM_BUILD_LLVM_DYLIB=ON
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-DLLVM_ENABLE_EH=ON
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-DLLVM_ENABLE_FFI=ON
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-DLLVM_ENABLE_LIBCXX=ON
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-DLLVM_ENABLE_RTTI=ON
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-DCLANG_ANALYZER_ENABLE_Z3_SOLVER=OFF
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-DLLVM_INCLUDE_DOCS=OFF
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-DLLVM_INSTALL_UTILS=ON
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-DLLVM_OPTIMIZED_TABLEGEN=ON
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-DLLVM_TARGETS_TO_BUILD=all
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-DWITH_POLLY=ON
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-DFFI_INCLUDE_DIR=#{Formula["libffi"].opt_lib}/libffi-#{Formula["libffi"].version}/include
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-DFFI_LIBRARY_DIR=#{Formula["libffi"].opt_lib}
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-DLLVM_CREATE_XCODE_TOOLCHAIN=ON
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-DLLDB_USE_SYSTEM_DEBUGSERVER=ON
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-DLLDB_DISABLE_PYTHON=1
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-DLIBOMP_INSTALL_ALIASES=OFF
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]
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if MacOS.version >= :mojave
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sdk_path = MacOS::CLT.installed? ? "/Library/Developer/CommandLineTools/SDKs/MacOSX.sdk" : MacOS.sdk_path
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args << "-DDEFAULT_SYSROOT=#{sdk_path}"
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end
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mkdir "build" do
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system "cmake", "-G", "Unix Makefiles", "..", *(std_cmake_args + args)
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system "make"
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system "make", "install"
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system "make", "install-xcode-toolchain"
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end
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(share/"clang/tools").install Dir["tools/clang/tools/scan-{build,view}"]
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(share/"cmake").install "cmake/modules"
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inreplace "#{share}/clang/tools/scan-build/bin/scan-build", "$RealBin/bin/clang", "#{bin}/clang"
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bin.install_symlink share/"clang/tools/scan-build/bin/scan-build", share/"clang/tools/scan-view/bin/scan-view"
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man1.install_symlink share/"clang/tools/scan-build/man/scan-build.1"
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# install llvm python bindings
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(lib/"python2.7/site-packages").install buildpath/"bindings/python/llvm"
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(lib/"python2.7/site-packages").install buildpath/"tools/clang/bindings/python/clang"
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end
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def caveats
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<<~EOS
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To use the bundled libc++ please add the following LDFLAGS:
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LDFLAGS="-L#{opt_lib} -Wl,-rpath,#{opt_lib}"
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EOS
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end
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test do
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assert_equal prefix.to_s, shell_output("#{bin}/llvm-config --prefix").chomp
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(testpath/"omptest.c").write <<~EOS
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#include <stdlib.h>
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#include <stdio.h>
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#include <omp.h>
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int main() {
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#pragma omp parallel num_threads(4)
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{
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printf("Hello from thread %d, nthreads %d\\n", omp_get_thread_num(), omp_get_num_threads());
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}
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return EXIT_SUCCESS;
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}
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EOS
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clean_version = version.to_s[/(\d+\.?)+/]
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system "#{bin}/clang", "-L#{lib}", "-fopenmp", "-nobuiltininc",
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"-I#{lib}/clang/#{clean_version}/include",
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"omptest.c", "-o", "omptest"
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testresult = shell_output("./omptest")
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sorted_testresult = testresult.split("\n").sort.join("\n")
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expected_result = <<~EOS
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Hello from thread 0, nthreads 4
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Hello from thread 1, nthreads 4
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Hello from thread 2, nthreads 4
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Hello from thread 3, nthreads 4
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EOS
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assert_equal expected_result.strip, sorted_testresult.strip
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(testpath/"test.c").write <<~EOS
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#include <stdio.h>
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int main()
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{
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printf("Hello World!\\n");
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return 0;
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}
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EOS
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(testpath/"test.cpp").write <<~EOS
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#include <iostream>
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int main()
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{
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std::cout << "Hello World!" << std::endl;
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return 0;
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}
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EOS
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# Testing default toolchain and SDK location.
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system "#{bin}/clang++", "-v",
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"-std=c++11", "test.cpp", "-o", "test++"
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assert_includes MachO::Tools.dylibs("test++"), "/usr/lib/libc++.1.dylib"
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assert_equal "Hello World!", shell_output("./test++").chomp
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system "#{bin}/clang", "-v", "test.c", "-o", "test"
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assert_equal "Hello World!", shell_output("./test").chomp
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# Testing Command Line Tools
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if MacOS::CLT.installed?
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toolchain_path = "/Library/Developer/CommandLineTools"
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sdk_path = "/Library/Developer/CommandLineTools/SDKs/MacOSX.sdk"
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system "#{bin}/clang++", "-v",
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"-isysroot", sdk_path,
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"-isystem", "#{toolchain_path}/usr/include/c++/v1",
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"-isystem", "#{toolchain_path}/usr/include",
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"-isystem", "#{sdk_path}/usr/include",
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"-std=c++11", "test.cpp", "-o", "testCLT++"
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assert_includes MachO::Tools.dylibs("testCLT++"), "/usr/lib/libc++.1.dylib"
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assert_equal "Hello World!", shell_output("./testCLT++").chomp
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system "#{bin}/clang", "-v", "test.c", "-o", "testCLT"
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assert_equal "Hello World!", shell_output("./testCLT").chomp
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end
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# Testing Xcode
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if MacOS::Xcode.installed?
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system "#{bin}/clang++", "-v",
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"-isysroot", MacOS.sdk_path,
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"-isystem", "#{MacOS::Xcode.toolchain_path}/usr/include/c++/v1",
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"-isystem", "#{MacOS::Xcode.toolchain_path}/usr/include",
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"-isystem", "#{MacOS.sdk_path}/usr/include",
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"-std=c++11", "test.cpp", "-o", "testXC++"
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assert_includes MachO::Tools.dylibs("testXC++"), "/usr/lib/libc++.1.dylib"
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assert_equal "Hello World!", shell_output("./testXC++").chomp
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system "#{bin}/clang", "-v",
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"-isysroot", MacOS.sdk_path,
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"test.c", "-o", "testXC"
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assert_equal "Hello World!", shell_output("./testXC").chomp
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end
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# link against installed libc++
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# related to https://github.com/Homebrew/legacy-homebrew/issues/47149
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system "#{bin}/clang++", "-v",
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"-isystem", "#{opt_include}/c++/v1",
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"-std=c++11", "-stdlib=libc++", "test.cpp", "-o", "testlibc++",
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"-L#{opt_lib}", "-Wl,-rpath,#{opt_lib}"
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assert_includes MachO::Tools.dylibs("testlibc++"), "#{opt_lib}/libc++.1.dylib"
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assert_equal "Hello World!", shell_output("./testlibc++").chomp
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(testpath/"scanbuildtest.cpp").write <<~EOS
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#include <iostream>
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int main() {
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int *i = new int;
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*i = 1;
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delete i;
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std::cout << *i << std::endl;
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return 0;
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}
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EOS
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assert_includes shell_output("#{bin}/scan-build --use-analyzer #{bin}/clang++ clang++ scanbuildtest.cpp 2>&1"),
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"warning: Use of memory after it is freed"
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(testpath/"clangformattest.c").write <<~EOS
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int main() {
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printf("Hello world!"); }
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EOS
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assert_equal "int main() { printf(\"Hello world!\"); }\n",
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shell_output("#{bin}/clang-format -style=google clangformattest.c")
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end
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end
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