class V8 < Formula desc "Google's JavaScript engine" homepage "https://github.com/v8/v8/wiki" # Track V8 version from Chrome stable: https://omahaproxy.appspot.com url "https://github.com/v8/v8/archive/7.6.303.27.tar.gz" sha256 "e3fb2270c3ca277fa3e7ef6bd45f4d00eb7111bfd1ac440997bba2ef02ae0262" bottle do cellar :any sha256 "343f710bd3207e9d1412273398fe57954d69b8e0762f2db084731908d1500afb" => :mojave sha256 "a6a84cfceeaf66326cc3d60537022bd4d7126ba9395e3f4950bf7d1dc93f6619" => :high_sierra sha256 "c1d7839ad02a1db3b5839cddacc0f68b2382577083e57697f450796a1b86261b" => :sierra end depends_on "ninja" => :build depends_on "llvm" if MacOS.version < :mojave # https://bugs.chromium.org/p/chromium/issues/detail?id=620127 depends_on :macos => :el_capitan # Look up the correct resource revisions in the DEP file of the specific releases tag # e.g. for CIPD dependency gn: https://github.com/v8/v8/blob/7.6.303.27/DEPS#L15 resource "gn" do url "https://gn.googlesource.com/gn.git", :revision => "81ee1967d3fcbc829bac1c005c3da59739c88df9" end # e.g.: https://github.com/v8/v8/blob/7.6.303.27/DEPS#L60 for the revision of build for v8 7.6.303.27 resource "v8/build" do url "https://chromium.googlesource.com/chromium/src/build.git", :revision => "4cebfa34c79bcfbce6a3f55d1b4f7628bb70ea8a" end resource "v8/third_party/icu" do url "https://chromium.googlesource.com/chromium/deps/icu.git", :revision => "64e5d7d43a1ff205e3787ab6150bbc1a1837332b" end resource "v8/base/trace_event/common" do url "https://chromium.googlesource.com/chromium/src/base/trace_event/common.git", :revision => "cfe8887fa6ac3170e23a68949930e28d4705a16f" end resource "v8/third_party/googletest/src" do url "https://chromium.googlesource.com/external/github.com/google/googletest.git", :revision => "f71fb4f9a912ec945401cc49a287a759b6131026" end resource "v8/third_party/jinja2" do url "https://chromium.googlesource.com/chromium/src/third_party/jinja2.git", :revision => "b41863e42637544c2941b574c7877d3e1f663e25" end resource "v8/third_party/markupsafe" do url "https://chromium.googlesource.com/chromium/src/third_party/markupsafe.git", :revision => "8f45f5cfa0009d2a70589bcda0349b8cb2b72783" end def install (buildpath/"build").install resource("v8/build") (buildpath/"third_party/jinja2").install resource("v8/third_party/jinja2") (buildpath/"third_party/markupsafe").install resource("v8/third_party/markupsafe") (buildpath/"third_party/googletest/src").install resource("v8/third_party/googletest/src") (buildpath/"base/trace_event/common").install resource("v8/base/trace_event/common") (buildpath/"third_party/icu").install resource("v8/third_party/icu") # Build gn from source and add it to the PATH (buildpath/"gn").install resource("gn") cd "gn" do system "python", "build/gen.py" system "ninja", "-C", "out/", "gn" end ENV.prepend_path "PATH", buildpath/"gn/out" # Enter the v8 checkout gn_args = { :is_debug => false, :is_component_build => true, :v8_use_external_startup_data => false, :v8_enable_i18n_support => true, # enables i18n support with icu :clang_base_path => "\"/usr/\"", # uses Apples system clang instead of Google's custom one :clang_use_chrome_plugins => false, # disable the usage of Google's custom clang plugins :use_custom_libcxx => false, # uses system libc++ instead of Google's custom one } # use clang from homebrew llvm formula on <= High Sierra, because the system clang is to old for V8 gn_args[:clang_base_path] = "\"#{Formula["llvm"].prefix}\"" if MacOS.version < :mojave # Transform to args string gn_args_string = gn_args.map { |k, v| "#{k}=#{v}" }.join(" ") # Build with gn + ninja system "gn", "gen", "--args=#{gn_args_string}", "out.gn" system "ninja", "-j", ENV.make_jobs, "-C", "out.gn", "-v", "d8" # Install all the things (libexec/"include").install Dir["include/*"] libexec.install Dir["out.gn/lib*.dylib", "out.gn/d8", "out.gn/icudtl.dat"] bin.write_exec_script libexec/"d8" end test do assert_equal "Hello World!", shell_output("#{bin}/d8 -e 'print(\"Hello World!\");'").chomp t = "#{bin}/d8 -e 'print(new Intl.DateTimeFormat(\"en-US\").format(new Date(\"2012-12-20T03:00:00\")));'" assert_match %r{12/\d{2}/2012}, shell_output(t).chomp (testpath/"test.cpp").write <<~'EOS' #include #include int main(){ static std::unique_ptr platform = v8::platform::NewDefaultPlatform(); v8::V8::InitializePlatform(platform.get()); v8::V8::Initialize(); return 0; } EOS # link against installed libc++ system ENV.cxx, "-std=c++11", "test.cpp", "-I#{libexec}/include", "-L#{libexec}", "-lv8", "-lv8_libplatform" end end