description: 'path to the MUSDK library installation directory')
option('machine', type: 'string', value: 'native',
description: 'set the target machine type')
-option('max_ethports', type: 'string', value: '32',
+option('max_ethports', type: 'integer', value: 32,
description: 'maximum number of Ethernet devices')
option('max_lcores', type: 'integer', value: 128,
description: 'maximum number of cores/threads supported by EAL')