option('gnutls', type: 'feature', value: 'auto', description: 'support for GnuTLS networking configration') option('openssl', type: 'feature', value: 'disabled', description: 'support for OpenSSL networking configration') option('libproxy', type: 'feature', value: 'auto', description: 'support for libproxy proxy configration') option('gnome_proxy', type: 'feature', value: 'auto', description: 'support for GNOME desktop proxy configuration') option('installed_tests', type: 'boolean', value: false, description: 'enable installed tests') option('static_modules', type: 'boolean', value: false, description: 'build static modules') option('default_ca_file', type: 'string', value: '', description: 'set default CA file') option('tizen_ext', type: 'boolean', value: false, description: 'enable TIZEN extension') option('tizen_debug', type: 'boolean', value: false, description: 'enable TIZEN debug')