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libv8/Rakefile

113 lines
3.4 KiB
Ruby

# This is a sanity check to enforce that the v8 submodule is initialized
# before we try to run any rake tasks.
if !File.exist? File.join('lib', 'libv8', 'v8', 'SConstruct') then
puts "V8 source appears to be missing. Updating..."
`git submodule update --init`
end
# Now we include the bundler stuff...
# We had to do the fetch first since our version code requires that we have
# the V8 source
require 'bundler'
require 'bundler/setup'
Bundler::GemHelper.install_tasks
# desc "remove all generated artifacts except built v8 objects"
# task :clean do
# sh "rm -rf pkg"
# sh "rm -rf ext/v8/Makefile"
# sh "rm -rf ext/v8/*.bundle ext/v8/*.so"
# sh "rm -rf lib/v8/*.bundle lib/v8/*.so"
# end
#
# desc "build v8 with debugging symbols (much slower)"
# task "v8:debug" do
# sh "cd ext/v8/upstream && make debug"
# end
# Rake::ExtensionTask.new("libv8", eval(File.read("libv8.gemspec"))) do |ext|
# ext.lib_dir = "lib/libv8"
# end
latest_v8 = nil
Dir.chdir(File.join('lib', 'libv8', 'v8')) do
latest_v8 = `git tag`.split.map{|v| Gem::Version.new(v)}.sort.last.to_s
end
desc "Check out a version of V8"
task :checkout, :version do |t, options|
options.with_defaults(:version => latest_v8)
Dir.chdir(File.join('lib', 'libv8', 'v8')) do
`git fetch`
# We're checking out the latest tag. Sorted using Gem::Version
versions = `git tag`.split.map{|v| Gem::Version.new(v)}.sort
fail "Version #{options.version} does not exist! Aborting..." if !versions.member?(Gem::Version.new(options.version))
puts "Checking out version #{options.version}"
`git checkout -f tags/#{options.version}`
end
end
desc "Compile the V8 JavaScript engine"
task :compile, [:version] do |t, options|
options.with_defaults(:version => latest_v8)
begin
def crash(str)
printf("Unable to build libv8: %s\n", str)
exit 1
end
print "Checking for Python..."
version = `python --version 2>&1`
version_number = version.split.last.match("[0-9.]+")[0]
crash "Python not found!" if version.split.first != "Python"
crash "Python 3.x is unsupported by V8!" if
Gem::Version.new(version_number) >=
Gem::Version.new(3)
crash "Python 2.4+ is required by V8!" if Gem::Version.new(version_number) < Gem::Version.new("2.4")
puts version_number
end
puts "Compiling V8 (#{options.version})..."
Rake::Task[:checkout].invoke(options.version)
Dir.chdir(File.join('lib', 'libv8')) do
`make`
end
end
desc "Clean up from the build"
task :clean do |t, options|
Dir.chdir(File.join('lib', 'libv8')) do
`make clean`
end
end
desc "List all versions of V8"
task :list do
Dir.chdir(File.join('lib', 'libv8', 'v8')) do
puts `git tag`.split.map{|v| Gem::Version.new(v)}.sort
end
end
desc "Create a binary gem for this current platform"
task :binary, [:version] => [:compile] do |t, options|
gemspec = eval(File.read('libv8.gemspec'))
gemspec.extensions.clear
gemspec.platform = Gem::Platform.new(RUBY_PLATFORM)
# We don't need most things for the binary
gemspec.files = []
# Lib
gemspec.files << 'lib/libv8.rb'
gemspec.files << 'lib/libv8/version.rb'
# V8
Dir.glob('lib/libv8/v8/include/*').each { |f| gemspec.files << f }
gemspec.files << "lib/libv8/build/v8/libv8.a"
gemspec.files << "lib/libv8/build/v8/libv8preparser.a"
FileUtils.mkdir_p 'pkg'
FileUtils.mv(Gem::Builder.new(gemspec).build, 'pkg')
end
task :default => :binary