262 lines
9.4 KiB
Ruby
262 lines
9.4 KiB
Ruby
class LlvmAT7 < Formula
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desc "Next-gen compiler infrastructure"
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homepage "https://llvm.org/"
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url "https://releases.llvm.org/7.1.0/llvm-7.1.0.src.tar.xz"
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sha256 "1bcc9b285074ded87b88faaedddb88e6b5d6c331dfcfb57d7f3393dd622b3764"
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license "NCSA"
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revision 2
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bottle do
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cellar :any
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sha256 "400bb0bb43849d1f118d93a1647de6e9636934e941c43a6f4866258f764f42b3" => :catalina
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sha256 "564f25a86c519b737a795de441da6c6c14e9f026813a73149b7939c986241ba6" => :mojave
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sha256 "4170d8e522ce8aea22450c818bb68b6142671f4239262395d8f09d82621ee343" => :high_sierra
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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 "libffi"
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resource "clang" do
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url "https://releases.llvm.org/7.1.0/cfe-7.1.0.src.tar.xz"
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sha256 "e97dc472aae52197a4d5e0185eb8f9e04d7575d2dc2b12194ddc768e0f8a846d"
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end
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resource "clang-extra-tools" do
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url "https://releases.llvm.org/7.1.0/clang-tools-extra-7.1.0.src.tar.xz"
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sha256 "1ce0042c48ecea839ce67b87e9739cf18e7a5c2b3b9a36d177d00979609b6451"
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end
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resource "compiler-rt" do
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url "https://releases.llvm.org/7.1.0/compiler-rt-7.1.0.src.tar.xz"
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sha256 "057bdac0581215b5ceb39edfd5bbef9eb79578f16a8908349f3066251fba88d8"
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end
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resource "libcxx" do
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url "https://releases.llvm.org/7.1.0/libcxx-7.1.0.src.tar.xz"
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sha256 "4442b408eaea3c1e4aa2cf21da38aba9f0856b4b522b1c3d555c3251af62b04e"
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end
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resource "libunwind" do
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url "https://releases.llvm.org/7.1.0/libunwind-7.1.0.src.tar.xz"
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sha256 "174a7fc9eb7422c8ea96993649be0f80ca5937f3fe000c40c3d15b1074d7ad0c"
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end
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resource "lld" do
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url "https://releases.llvm.org/7.1.0/lld-7.1.0.src.tar.xz"
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sha256 "a10f274a0a09408eaf9c088dec6fb2254f7d641221437763c94546cbfe595867"
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end
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resource "openmp" do
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url "https://releases.llvm.org/7.1.0/openmp-7.1.0.src.tar.xz"
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sha256 "1ee73aa1eef4ef7f75c96b24bf02445440602064c0074891ca5344a63f1fe5b5"
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end
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resource "polly" do
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url "https://releases.llvm.org/7.1.0/polly-7.1.0.src.tar.xz"
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sha256 "305454f72db5e30def3f48e2dc56ce62f9c52c3b9278b8f357a093a588b6139b"
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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/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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-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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]
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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/"cmake").install "cmake/modules"
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(share/"clang/tools").install Dir["tools/clang/tools/scan-{build,view}"]
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# scan-build is in Perl, so the @ in our path needs to be escaped
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inreplace "#{share}/clang/tools/scan-build/bin/scan-build",
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"$RealBin/bin/clang", "#{bin}/clang".gsub("@", "\\@")
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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 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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