option('valadoc', type: 'boolean', value: false, description: 'Whether to build the documentaton (requires valadoc).')
option('contractor', type: 'boolean', value: false, description: 'Whether to install the contractor file (Elementary OS-specific).')
option('poodle', type: 'boolean', value: true, description: 'Whether to apply the POODLE SSLv3 fix.')
option('ref_tracking', type: 'boolean', value: false, description: 'Whether to use explicit reference tracking.')
option('iso_639_xml', type: 'string', value: '', description: 'Full path to the ISO 639 XML file.')
option('iso_3166_xml', type: 'string', value: '', description: 'Full path to the ISO 3166 XML file.')
option('libunwind_optional', type: 'boolean', value: false, description: 'Determines if libunwind is required.')
option('tnef-support', type: 'boolean', value: true, description: 'Whether to support TNEF attachments (requires libytnef).')
option(
  'profile',
  type: 'combo',
  value: 'default',
  choices: ['default','development','beta'],
  description: 'Specifies the application type to be built'
)