homebrew-core/Formula/v8.rb
2019-10-04 23:05:25 -04:00

125 lines
5.1 KiB
Ruby

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/7.7.299.13.tar.gz"
sha256 "1f5939fcd74464ba43e3445d3e3f82b5bbf2efe7314dde06b3fb12b65ba7d5f9"
bottle do
cellar :any
sha256 "19454ea74b27155ffd92fe69122dba3aceabb0fd06dc47b9e49249e8a9a1911d" => :catalina
sha256 "5c7172c88d66ff913f72c208bddc245dd8ac721413ca0751bd6e52867efde545" => :mojave
sha256 "c3a0c2e343cf6176e54cedcc0a0bed4243b52e7bc9a666bdf2ddd48efe382d9a" => :high_sierra
end
depends_on "llvm" => :build if DevelopmentTools.clang_build_version < 1001 # 1100 with v8 7.9+
depends_on "ninja" => :build
depends_on :xcode => ["9.0", :build] # required by v8 (bump to 10.0 with v8 7.9+)
# 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 => "972ed755f8e6d31cae9ba15fcd08136ae1a7886f"
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 => "1e5d7d692f816af8136c738b79fe9e8dde8057f6"
end
resource "v8/third_party/icu" do
url "https://chromium.googlesource.com/chromium/deps/icu.git",
:revision => "fd97d4326fac6da84452b2d5fe75ff0949368dab"
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 => "6077f444da944d96d311d358d761164261f1cdd0"
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
if DevelopmentTools.clang_build_version < 1001 # 1100 with v8 7.9+
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