module FFI::Compiler::Loader

def self.caller_path(line = caller[0])
  if FFI::Platform::OS == 'windows'
    drive = line[0..1]
    path =  line[2..-1].split(/:/)[0]
    full_path = drive + path
  else
    full_path = line.split(/:/)[0]
  end
  File.dirname full_path
end

def self.find(*args)
end

def self.find(name, start_path = nil)
  library = Platform.system.map_library_name(name)
  root = false
  Pathname.new(start_path || caller_path(caller[0])).ascend do |path|
    Dir.glob("#{path}/**/#{FFI::Platform::ARCH}-#{FFI::Platform::OS}/#{library}") do |f|
      return f
    end
    Dir.glob("#{path}/**/#{library}") do |f|
      return f
    end
    break if root
    # Next iteration will be the root of the gem if this is the lib/ dir - stop after that
    root = File.basename(path) == 'lib'
  end
  raise LoadError.new("cannot find '#{name}' library")
end