llvm@6: copy from llvm
Closes #32233. Signed-off-by: FX Coudert <fxcoudert@gmail.com>
This commit is contained in:
Alex Gaynor
FX Coudert
parent
2b8e270503
commit
884e588ad8
1 changed files with 302 additions and 0 deletions
302
Formula/llvm@6.rb
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302
Formula/llvm@6.rb
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class CodesignRequirement < Requirement
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fatal true
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satisfy(:build_env => false) do
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mktemp do
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FileUtils.cp "/usr/bin/false", "llvm_check"
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quiet_system "/usr/bin/codesign", "-f", "-s", "lldb_codesign", "--dryrun", "llvm_check"
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end
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end
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def message
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<<~EOS
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lldb_codesign identity must be available to build with LLDB.
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See: https://llvm.org/svn/llvm-project/lldb/trunk/docs/code-signing.txt
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EOS
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end
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end
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class LlvmAT6 < 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/6.0.1/llvm-6.0.1.src.tar.xz"
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sha256 "b6d6c324f9c71494c0ccaf3dac1f16236d970002b42bb24a6c9e1634f7d0f4e2"
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resource "clang" do
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url "https://releases.llvm.org/6.0.1/cfe-6.0.1.src.tar.xz"
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sha256 "7c243f1485bddfdfedada3cd402ff4792ea82362ff91fbdac2dae67c6026b667"
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end
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resource "clang-extra-tools" do
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url "https://releases.llvm.org/6.0.1/clang-tools-extra-6.0.1.src.tar.xz"
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sha256 "0d2e3727786437574835b75135f9e36f861932a958d8547ced7e13ebdda115f1"
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end
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resource "compiler-rt" do
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url "https://releases.llvm.org/6.0.1/compiler-rt-6.0.1.src.tar.xz"
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sha256 "f4cd1e15e7d5cb708f9931d4844524e4904867240c306b06a4287b22ac1c99b9"
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end
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resource "libcxx" do
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url "https://releases.llvm.org/6.0.1/libcxx-6.0.1.src.tar.xz"
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sha256 "7654fbc810a03860e6f01a54c2297a0b9efb04c0b9aa0409251d9bdb3726fc67"
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end
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resource "libunwind" do
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url "https://releases.llvm.org/6.0.1/libunwind-6.0.1.src.tar.xz"
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sha256 "a8186c76a16298a0b7b051004d0162032b9b111b857fbd939d71b0930fd91b96"
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end
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resource "lld" do
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url "https://releases.llvm.org/6.0.1/lld-6.0.1.src.tar.xz"
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sha256 "e706745806921cea5c45700e13ebe16d834b5e3c0b7ad83bf6da1f28b0634e11"
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end
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resource "lldb" do
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url "https://releases.llvm.org/6.0.1/lldb-6.0.1.src.tar.xz"
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sha256 "6b8573841f2f7b60ffab9715c55dceff4f2a44e5a6d590ac189d20e8e7472714"
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end
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resource "openmp" do
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url "https://releases.llvm.org/6.0.1/openmp-6.0.1.src.tar.xz"
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sha256 "66afca2b308351b180136cf899a3b22865af1a775efaf74dc8a10c96d4721c5a"
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end
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resource "polly" do
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url "https://releases.llvm.org/6.0.1/polly-6.0.1.src.tar.xz"
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sha256 "e7765fdf6c8c102b9996dbb46e8b3abc41396032ae2315550610cf5a1ecf4ecc"
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end
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keg_only :versioned_formula
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option "with-toolchain", "Build with Toolchain to facilitate overriding system compiler"
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option "with-lldb", "Build LLDB debugger"
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option "with-python@2", "Build bindings against Homebrew's Python 2"
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deprecated_option "with-python" => "with-python@2"
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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 "libffi"
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if MacOS.version <= :snow_leopard
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depends_on "python@2"
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else
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depends_on "python@2" => :optional
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end
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if build.with? "lldb"
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depends_on "swig" if MacOS.version >= :lion
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depends_on CodesignRequirement
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end
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# According to the official llvm readme, GCC 4.7+ is required
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fails_with :gcc_4_0
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fails_with :gcc
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("4.3".."4.6").each do |n|
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fails_with :gcc => n
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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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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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if build.with? "python@2"
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ENV.prepend_path "PATH", Formula["python@2"].opt_libexec/"bin"
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end
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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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if build.with? "lldb"
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if build.with? "python@2"
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pyhome = `python-config --prefix`.chomp
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ENV["PYTHONHOME"] = pyhome
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pylib = "#{pyhome}/lib/libpython2.7.dylib"
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pyinclude = "#{pyhome}/include/python2.7"
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end
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(buildpath/"tools/lldb").install resource("lldb")
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# Building lldb requires a code signing certificate.
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# The instructions provided by llvm creates this certificate in the
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# user's login keychain. Unfortunately, the login keychain is not in
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# the search path in a superenv build. The following three lines add
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# the login keychain to ~/Library/Preferences/com.apple.security.plist,
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# which adds it to the superenv keychain search path.
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mkdir_p "#{ENV["HOME"]}/Library/Preferences"
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username = ENV["USER"]
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system "security", "list-keychains", "-d", "user", "-s", "/Users/#{username}/Library/Keychains/login.keychain"
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end
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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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]
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args << "-DLLVM_CREATE_XCODE_TOOLCHAIN=ON" if build.with? "toolchain"
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if build.with?("lldb") && build.with?("python@2")
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args << "-DLLDB_RELOCATABLE_PYTHON=ON"
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args << "-DPYTHON_LIBRARY=#{pylib}"
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args << "-DPYTHON_INCLUDE_DIR=#{pyinclude}"
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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" if build.with? "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; <<~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 Command Line Tools
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if MacOS::CLT.installed?
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libclangclt = Dir["/Library/Developer/CommandLineTools/usr/lib/clang/#{MacOS::CLT.version.to_i}*"].last { |f| File.directory? f }
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system "#{bin}/clang++", "-v", "-nostdinc",
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"-I/Library/Developer/CommandLineTools/usr/include/c++/v1",
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"-I#{libclangclt}/include",
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"-I/usr/include", # need it because /Library/.../usr/include/c++/v1/iosfwd refers to <wchar.h>, which CLT installs to /usr/include
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"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", "-nostdinc",
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"-I/usr/include", # this is where CLT installs stdio.h
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"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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libclangxc = Dir["#{MacOS::Xcode.toolchain_path}/usr/lib/clang/#{DevelopmentTools.clang_version}*"].last { |f| File.directory? f }
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system "#{bin}/clang++", "-v", "-nostdinc",
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"-I#{MacOS::Xcode.toolchain_path}/usr/include/c++/v1",
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"-I#{libclangxc}/include",
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"-I#{MacOS.sdk_path}/usr/include",
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"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", "-nostdinc",
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"-I#{MacOS.sdk_path}/usr/include",
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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", "-nostdinc",
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"-std=c++11", "-stdlib=libc++",
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"-I#{MacOS::Xcode.toolchain_path}/usr/include/c++/v1",
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"-I#{libclangxc}/include",
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"-I#{MacOS.sdk_path}/usr/include",
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"-L#{lib}",
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"-Wl,-rpath,#{lib}", "test.cpp", "-o", "test"
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assert_includes MachO::Tools.dylibs("test"), "#{opt_lib}/libc++.1.dylib"
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assert_equal "Hello World!", shell_output("./test").chomp
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end
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end
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