module Rscons
  class CC < Builder
    VARIABLE_DEFAULTS = {
      'CC' => 'gcc',
      'CFLAGS' => ['-c'],
      'CPPFLAGS' => [],
      'OBJSUFFIX' => '.o',
      'CEXTS' => ['.c'],
    }

    def self.makes_object_file?(env, fname)
      env['CEXTS'].find do |cext|
        fname =~ /#{cext}$/
      end
    end

    def run(env, target, source)
      raise "String expected, not #{source.inspect}" unless source.is_a?(String)
      o_file = "#{env.stem(source)}#{env['OBJSUFFIX']}"
      command = [
        env['CC'],
        *env['CPPFLAGS'],
        *env['CFLAGS'],
        '-o', o_file,
        source
      ]
      env.execute("CC #{o_file}", command)
      o_file
    end
  end
end