=begin
extconf.rb for Ruby/GIO extention library
=end

require 'pathname'

base_dir = Pathname(__FILE__).dirname.parent.parent.expand_path
top_dir = base_dir.parent.expand_path
top_build_dir = Pathname(".").parent.parent.parent.expand_path

mkmf_gnome2_dir = top_dir + "glib2" + 'lib'
version_suffix = ""
unless mkmf_gnome2_dir.exist?
  if /(-\d+\.\d+\.\d+)(?:\.\d+)?\z/ =~ base_dir.basename.to_s
    version_suffix = $1
    mkmf_gnome2_dir = top_dir + "glib2#{version_suffix}" + 'lib'
  end
end

$LOAD_PATH.unshift(mkmf_gnome2_dir.to_s)

module_name = "gio2"
package_id = "gio-2.0"

begin
  require 'mkmf-gnome2'
rescue LoadError
  require 'rubygems'
  gem 'glib2'
  require 'mkmf-gnome2'
end

ruby_header = 'ruby.h'
have_func 'rb_exec_recursive', ruby_header
have_func 'rb_errinfo', ruby_header

["glib2"].each do |package|
  directory = "#{package}#{version_suffix}"
  build_dir = "#{directory}/tmp/#{RUBY_PLATFORM}/#{package}/#{RUBY_VERSION}"
  add_depend_package(package, "#{directory}/ext/#{package}",
                     top_dir.to_s,
                     :top_build_dir => top_build_dir.to_s,
                     :target_build_dir => build_dir)
end

win32 = setup_win32(module_name, base_dir)

defines = '-DRUBY_GIO2_COMPILATION'

PKGConfig.have_package(package_id) or exit 1
unless win32
  PKGConfig.have_package('gio-unix-2.0') and defines += ' -DHAVE_GIO_UNIX'
end
PKGConfig.have_package('gobject-2.0') or exit 1

create_pkg_config_file("Ruby/GIO2", package_id)

$defs << defines
create_makefile(module_name)

pkg_config_dir = with_config("pkg-config-dir")
if pkg_config_dir.is_a?(String)
  File.open("Makefile", "ab") do |makefile|
    makefile.puts
    makefile.puts("pkgconfigdir=#{pkg_config_dir}")
  end
end