homebrew-core/Formula/v8.rb
2019-08-02 02:50:58 +08:00

122 lines
5 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/7.6.303.27.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 <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