import Options

def set_options(opt):
    # allow users to disable gnutls
    opt.add_option('--disable-gnutls',
                   help=("Disable use of gnutls"),
                   action="store_true", dest='disable_gnutls', default=False)

def configure(conf):
    # check for gnutls
    conf.check_cfg(package='gnutls',
                   args='"gnutls >= 1.4.0" --cflags --libs',
                   msg='Checking for gnutls >= 1.4.0', mandatory=False)

    if 'HAVE_GNUTLS' in conf.env and not Options.options.disable_gnutls:
        conf.DEFINE('ENABLE_GNUTLS', 1)

    conf.CHECK_HEADERS('gnutls/gnutls.h')

    # check for gnutls_datum types
    conf.CHECK_TYPES('gnutls_datum gnutls_datum_t')

    conf.CHECK_HEADERS('gcrypt.h')
    conf.CHECK_FUNCS_IN('gpg_err_code_from_errno gcry_control', 'gcrypt')

def build(bld):
    bld.SAMBA_SUBSYSTEM('LIBTLS',
                        source='tls.c tlscert.c',
                        public_deps='talloc GNUTLS GCRYPT LIBSAMBA-HOSTCONFIG samba_socket'
                        )