def check_exists(fips_dir) :
    try :
        subprocess.check_output(['xcodebuild', '-version'])
        return True
    except (OSError, subprocess.CalledProcessError) :
        return False

#------------------------------------------------------------------------------
Marshal and write multiple outgoing pamqp frames to the socket.
dataset/ETHPy150Open floooh/fips/mod/tools/xcodebuild.py/check_exists--crossover with--dataset/ETHPy150Open eandersson/amqpstorm/amqpstorm/connection.py/Connection.write_frames