option(
  'installed_tests',
  type : 'boolean',
  description : 'Build and install "as-installed" tests',
  value : false,
)
option(
  'man',
  type : 'feature',
  description : 'generate man pages',
  value : 'auto',
)
option(
  'program_prefix',
  type : 'string',
  description : 'Prepend string to executable name, for use with subprojects',
  value : '',
)
option(
  'tests',
  type : 'boolean',
  description : 'Build and run automated tests',
  value : true,
)