require 'autobuild/pkgconfig'

module Autobuild
    class InstalledPkgConfig < Package
	attr_reader :pkgconfig
	attr_reader :prefix

	def initialize(name)
	    @pkgconfig = PkgConfig.new(name)
	    @prefix    = @pkgconfig.prefix
	    super
	end

	def installstamp
	    std_stamp = super
	    return std_stamp if File.file?(std_stamp)

	    pcfile = File.join(pkgconfig.prefix, "lib", "pkgconfig", "opencv.pc")
	    if !File.file?(pcfile)
		raise "cannot find the .pc file for #{name}, tried #{pcfile}"
	    end
	    pcfile
	end
    end
    def installed_pkgconfig(name, &block)
        InstalledPkgConfig.new(name, &block)
    end
end