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require "os/mac/version"
module OS
module Mac
class SDK
attr_reader :version, :path
def initialize(version, path)
@version = OS::Mac::Version.new version
@path = Pathname.new(path)
end
end
class SDKLocator
class NoSDKError < StandardError; end
def sdk_for(v)
path = sdk_paths[v]
raise NoSDKError if path.nil?
SDK.new v, path
end
def latest_sdk
return if sdk_paths.empty?
v, path = sdk_paths.max { |a, b| OS::Mac::Version.new(a[0]) <=> OS::Mac::Version.new(b[0]) }
SDK.new v, path
end
private
def sdk_paths
@sdk_paths ||= begin
# Xcode.prefix is pretty smart, so let's look inside to find the sdk
sdk_prefix = "#{Xcode.prefix}/Platforms/MacOSX.platform/Developer/SDKs"
# Xcode < 4.3 style
sdk_prefix = "/Developer/SDKs" unless File.directory? sdk_prefix
# Finally query Xcode itself (this is slow, so check it last)
sdk_prefix = File.join(Utils.popen_read(DevelopmentTools.locate("xcrun"), "--show-sdk-platform-path").chomp, "Developer", "SDKs") unless File.directory? sdk_prefix
# Bail out if there is no SDK prefix at all
if !File.directory? sdk_prefix
{}
else
paths = {}
Dir[File.join(sdk_prefix, "MacOSX*.sdk")].each do |sdk_path|
version = sdk_path[/MacOSX(\d+\.\d+)u?\.sdk$/, 1]
paths[version] = sdk_path unless version.nil?
end
paths
end
end
end
end
end
end
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