Use the system libcxx to build V8

Author: ignisf

.travis.yml

@@ -1,3 +1,5 @@
+dist: xenial
+compiler: clang
 language: ruby
 rvm:
   - 2.5

README.md

@@ -85,6 +85,7 @@ Building the V8 library from source imposes the following requirements:
   platforms.
 * Python 2
 * pkg-config
+* GLib 2
 
 ### Using a git version
 

ext/libv8/builder.rb

@@ -12,7 +12,11 @@ class Builder
     include Libv8::Arch
 
     def gn_args
-      %W(is_debug=#{debug_build? ? 'true' : 'false'}
+      %W(clang_use_chrome_plugins=false
+         linux_use_bundled_binutils=false
+         use_custom_libcxx=false
+         use_sysroot=false
+         is_debug=#{debug_build? ? 'true' : 'false'}
          symbol_level=#{debug_build? ? '-1' : '0'}
          is_component_build=false
          v8_monolithic=true

release/x86-linux/Vagrantfile

@@ -78,7 +78,7 @@ Vagrant.configure(2) do |config|
     sudo apt-add-repository ppa:brightbox/ruby-ng
     sudo apt-get update
     sudo apt-get dist-upgrade -y
-    sudo apt-get install -y build-essential git ruby-switch ruby2.3 ruby2.3-dev pkg-config
+    sudo apt-get install -y build-essential git ruby-switch ruby2.3 ruby2.3-dev libglib2.0-dev
     sudo ruby-switch --set ruby2.3
     sudo gem install bundler
   SHELL

release/x86_64-linux/Vagrantfile

@@ -78,7 +78,7 @@ Vagrant.configure(2) do |config|
     sudo apt-add-repository ppa:brightbox/ruby-ng
     sudo apt-get update
     sudo apt-get dist-upgrade -y
-    sudo apt-get install -y build-essential git ruby-switch ruby2.3 ruby2.3-dev pkg-config
+    sudo apt-get install -y build-essential git ruby-switch ruby2.3 ruby2.3-dev libglib2.0-dev
     sudo ruby-switch --set ruby2.3
     sudo gem install bundler
   SHELL