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/7.8.279.17.tar.gz" sha256 "794ff694ff22d4c1e151f836a5f60bb68482497fb48c58de497cae7c22d6840a" bottle do cellar :any sha256 "829d70f5ad662a8a79e026c5e3f3376eff34f94e87826c4f9a9b36c0a7aedd87" => :catalina sha256 "76606663a136d53f68bdcc8861dd7338dcd3d669c1fc29af5cc20b13c4e7f685" => :mojave sha256 "94bd59c2742078035c0cd0192578a172ff823e7ac4b07e3917bc0960cac056b3" => :high_sierra end depends_on "llvm" => :build if DevelopmentTools.clang_build_version < 1100 depends_on "ninja" => :build depends_on :xcode => ["10.0", :build] # required by v8 # 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 => "152c5144ceed9592c20f0c8fd55769646077569b" 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 => "693faeda4ee025796c7e473d953a5a7b6ad64c93" end resource "v8/third_party/icu" do url "https://chromium.googlesource.com/chromium/deps/icu.git", :revision => "53f6b233a41ec982d8445996247093f7aaf41639" end resource "v8/base/trace_event/common" do url "https://chromium.googlesource.com/chromium/src/base/trace_event/common.git", :revision => "5e4fce17a9d2439c44a7b57ceecef6df9287ec2f" end resource "v8/third_party/googletest/src" do url "https://chromium.googlesource.com/external/github.com/google/googletest.git", :revision => "565f1b848215b77c3732bca345fe76a0431d8b34" 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 :treat_warnings_as_errors => false, } # use clang from homebrew llvm formula on <= High Sierra, because the system clang is to old for V8 if DevelopmentTools.clang_build_version < 1100 ENV.remove "HOMEBREW_LIBRARY_PATHS", Formula["llvm"].opt_lib # but link against system libc++ gn_args[:clang_base_path] = "\"#{Formula["llvm"].prefix}\"" end # 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 <libplatform/libplatform.h> #include <v8.h> int main(){ static std::unique_ptr<v8::Platform> 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