Contents

#!/usr/bin/env ruby

require 'rubygems'
require 'ffi'

begin
  module LibTest
    extend FFI::Library

    root_path = File.expand_path("../..", __FILE__)
    ext = FFI::Platform::LIBSUFFIX
    prefix = FFI::Platform::LIBPREFIX.empty? ? 'lib' : FFI::Platform::LIBPREFIX
    bundled_dll = File.join(root_path, "lib/#{prefix}usb-1.0.#{ext}")
    bundled_dll_cygwin = File.join(root_path, "bin/#{prefix}usb-1.0.#{ext}")
    ffi_lib(["#{prefix}usb-1.0", bundled_dll, bundled_dll_cygwin])
  end
rescue LoadError
  # Unable to load libusb library on this system,
  # so we build our bundled version:

  libusb_dir = Dir[File.expand_path('../../ext/libusbx-*', __FILE__)].first
  root_dir = File.expand_path('../..', __FILE__)
  raise "could not find embedded libusb sources" unless libusb_dir

  old_dir = Dir.pwd
  Dir.chdir libusb_dir
  cmd = "sh configure --prefix=#{root_dir} && make && make install"
  puts cmd
  system cmd
  raise "libusb build exited with #{$?.exitstatus}" if $?.exitstatus!=0
  Dir.chdir old_dir
end

File.open("Makefile", "w") do |mf|
  mf.puts "# Dummy makefile since libusb-1.0 is usable on this system"
  mf.puts "all install::\n"
end

Version data entries

2 entries across 2 versions & 1 rubygems

Version	Path
libusb-0.3.4	ext/extconf.rb
libusb-0.3.3	ext/extconf.rb