extconf.rb

# Copyright (c) 2006-2007, Apple Inc. All rights reserved.
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require 'mkmf'

$CFLAGS << ' -Wall '
$LDFLAGS = '-framework Carbon -framework ApplicationServices'

exit 1 unless have_func('OSACopyScriptingDefinition')
exit 1 unless have_func('LSFindApplicationForInfo')

# Avoid `ID' and `T_DATA' symbol collisions between Ruby and Carbon.
# (adapted code from RubyAEOSA - FUJIMOTO Hisakuni  <hisa@fobj.com>)
ruby_h = "#{Config::CONFIG['archdir']}/ruby.h"
intern_h = "#{Config::CONFIG['archdir']}/intern.h"
new_filename_prefix = 'osx_'
[ ruby_h, intern_h ].each do |src_path|
    dst_fname = File.join('./src', new_filename_prefix + File.basename(src_path))
    $stderr.puts "create #{File.expand_path(dst_fname)} ..."
    File.open(dst_fname, 'w') do |dstfile|
        IO.foreach(src_path) do |line|
            line = line.gsub(/\bID\b/, 'RB_ID')
            line = line.gsub(/\bT_DATA\b/, 'RB_T_DATA')
            line = line.gsub(/\bintern.h\b/, "#{new_filename_prefix}intern.h")
            dstfile.puts line
        end
    end
end

# Generate the Makefile
create_makefile('osa', 'src')

# Tweak the Makefile to add an extra install task.
text = File.read('Makefile')
text << "\n\ninstall-extras: post-install.rb\n\t@$(RUBY) post-install.rb\n\n"
File.open('Makefile', 'w') { |io| io.write(text) }