path: root/ctdb/wscript

#!/usr/bin/env python

APPNAME = 'ctdb'

blddir = 'bin'

import sys, os

# find the buildtools directory
srcdir = '.'
while not os.path.exists(srcdir+'/buildtools') and len(srcdir.split('/')) < 5:
    srcdir = srcdir + '/..'
sys.path.insert(0, srcdir + '/buildtools/wafsamba')

import wafsamba, samba_dist, Options, Logs, Utils
import samba_utils, samba_version

env = samba_utils.LOAD_ENVIRONMENT()
if os.path.isfile('./VERSION'):
    vdir = '.'
elif os.path.isfile('../VERSION'):
    vdir = '..'
else:
    Logs.error("VERSION file not found")

version = samba_version.samba_version_file('%s/VERSION' % vdir, vdir, env)
VERSION = version.STRING.replace('-', '.')

default_prefix = Options.default_prefix = '/usr/local'

samba_dist.DIST_DIRS('''ctdb:. lib/replace:lib/replace lib/talloc:lib/talloc
                        lib/tevent:lib/tevent lib/tdb:lib/tdb
                        third_party/socket_wrapper:third_party/socket_wrapper
                        third_party/popt:third_party/popt
                        lib/util:lib/util lib/tdb_wrap:lib/tdb_wrap
                        lib/ccan:lib/ccan libcli/util:libcli/util
                        lib/async_req:lib/async_req
                        buildtools:buildtools third_party/waf:third_party/waf''')

manpages_binary = [
    'ctdb.1',
    'ctdbd.1',
    'ltdbtool.1',
    'ping_pong.1'
]

manpages_misc = [
    'ctdb_diagnostics.1',
    'ctdbd_wrapper.1',
    'onnode.1',
    'ctdb.conf.5',
    'ctdb-script.options.5',
    'ctdb.sysconfig.5',
    'ctdb.7',
    'ctdb-statistics.7',
    'ctdb-tunables.7',
]

manpages_etcd = [
    'ctdb-etcd.7',
]

manpages_ceph = [
    'ctdb_mutex_ceph_rados_helper.7',
]


def set_options(opt):
    opt.PRIVATE_EXTENSION_DEFAULT('ctdb')

    opt.RECURSE('lib/replace')

    opt.RECURSE('lib/util')

    opt.RECURSE('lib/talloc')
    opt.RECURSE('lib/tevent')
    opt.RECURSE('lib/tdb')

    opt.add_option('--enable-infiniband',
                   help=("Turn on infiniband support (default=no)"),
                   action="store_true", dest='ctdb_infiniband', default=False)
    opt.add_option('--enable-pmda',
                   help=("Turn on PCP pmda support (default=no)"),
                   action="store_true", dest='ctdb_pmda', default=False)
    opt.add_option('--enable-etcd-reclock',
                   help=("Enable etcd recovery lock helper (default=no)"),
                   action="store_true", dest='ctdb_etcd_reclock', default=False)
    opt.add_option('--enable-ceph-reclock',
                   help=("Enable Ceph CTDB recovery lock helper (default=no)"),
                   action="store_true", dest='ctdb_ceph_reclock', default=False)

    opt.add_option('--with-logdir',
                   help=("Path to log directory"),
                   action="store", dest='ctdb_logdir', default=None)
    opt.add_option('--with-socketpath',
                   help=("path to CTDB daemon socket"),
                   action="store", dest='ctdb_sockpath', default=None)


def configure(conf):

    # No need to build python bindings for talloc/tevent/tdb
    if conf.IN_LAUNCH_DIR():
        conf.env.standalone_ctdb = True
        Options.options.disable_python = True

    conf.RECURSE('lib/replace')

    conf.CHECK_HEADERS(headers='''sys/socket.h
                                  netinet/in.h
                                  netinet/if_ether.h
                                  netinet/ip.h
                                  netinet/ip6.h
                                  netinet/icmp6.h''',
                       together=True)

    conf.CHECK_CODE('int s = socket(AF_PACKET, SOCK_RAW, 0);',
                    define='HAVE_AF_PACKET',
                    headers='sys/socket.h linux/if_packet.h')

    conf.CHECK_CODE('struct sockaddr_ll sall; sall.sll_family = AF_PACKET;',
                    define='HAVE_PACKETSOCKET',
                    headers='sys/socket.h linux/if_packet.h')

    if conf.env.standalone_ctdb:
        conf.SAMBA_CHECK_PERL(mandatory=True)

        conf.SAMBA_CHECK_PYTHON(mandatory=False, version=(2,5,0))
        conf.SAMBA_CHECK_PYTHON_HEADERS(mandatory=False)

    if conf.CHECK_FOR_THIRD_PARTY():
        conf.RECURSE('third_party/popt')
        if conf.env.standalone_ctdb or conf.CONFIG_GET('ENABLE_SELFTEST'):
            conf.RECURSE('third_party/socket_wrapper')
            conf.env.SOCKET_WRAPPER_SO_PATH = conf.CONFIG_GET('LIBSOCKET_WRAPPER_SO_PATH')
    else:
        if not conf.CHECK_POPT():
            raise Utils.WafError('popt development packages have not been found\nIf third_party is installed, check that it is in the proper place.')
        else:
            conf.define('USING_SYSTEM_POPT', 1)
        conf.env.SOCKET_WRAPPER_SO_PATH = ''


        if conf.env.standalone_ctdb or conf.CONFIG_GET('ENABLE_SELFTEST'):
            if not conf.CHECK_SOCKET_WRAPPER():
                raise Utils.WafError('socket_wrapper package has not been found.\nIf third_party is installed, check that it is in the proper place.')
            else:
                conf.define('USING_SYSTEM_SOCKET_WRAPPER', 1)
                conf.env.SOCKET_WRAPPER_SO_PATH = conf.CONFIG_GET('LIBSOCKET_WRAPPER_SO_PATH')

    conf.RECURSE('lib/util')

    conf.RECURSE('lib/talloc')
    conf.RECURSE('lib/tevent')
    conf.RECURSE('lib/tdb')

    conf.CHECK_HEADERS('sched.h')
    conf.CHECK_HEADERS('procinfo.h')
    if sys.platform.startswith('aix') and not conf.CHECK_FUNCS('thread_setsched'):
        Logs.error('Need thread_setsched() on AIX')
        sys.exit(1)
    elif not conf.CHECK_FUNCS('sched_setscheduler'):
        Logs.error('Need sched_setscheduler()')
        sys.exit(1)
    conf.CHECK_FUNCS('mlockall')

    if not conf.CHECK_VARIABLE('ETIME', headers='errno.h'):
        conf.DEFINE('ETIME', 'ETIMEDOUT')

    if sys.platform.startswith('linux'):
        conf.SET_TARGET_TYPE('pcap', 'EMPTY')
    else:
        if not conf.CHECK_HEADERS('pcap.h'):
            Logs.error('Need libpcap')
            sys.exit(1)
        if not conf.CHECK_FUNCS_IN('pcap_open_live', 'pcap', headers='pcap.h'):
            Logs.error('Need libpcap')
            sys.exit(1)

    if not conf.CHECK_FUNCS_IN('backtrace backtrace_symbols', 'execinfo',
                               checklibc=True, headers='execinfo.h'):
        Logs.error('backtrace support not available')

    have_pmda = False
    if Options.options.ctdb_pmda:
        pmda_support = True

        if not conf.CHECK_HEADERS('pcp/pmapi.h pcp/impl.h pcp/pmda.h',
                                  together=True):
            pmda_support = False
        if not conf.CHECK_FUNCS_IN('pmProgname', 'pcp'):
            pmda_support = False
        if not conf.CHECK_FUNCS_IN('pmdaDaemon', 'pcp_pmda'):
            pmda_support = False
        if pmda_support:
            conf.CHECK_TYPE_IN('__pmID_int', 'pcp/pmapi.h pcp/impl.h')
            have_pmda = True
        else:
            Logs.error("PMDA support not available")
            sys.exit(1)
    if have_pmda:
        Logs.info('Building with PMDA support')
        conf.define('HAVE_PMDA', 1)
        conf.env.CTDB_PMDADIR = os.path.join(conf.env.LOCALSTATEDIR,
                                             'lib/pcp/pmdas/ctdb')

    have_infiniband = False
    if Options.options.ctdb_infiniband:
        ib_support = True

        if not conf.CHECK_HEADERS('infiniband/verbs.h rdma/rdma_cma.h'):
            ib_support = False
        if not conf.CHECK_FUNCS_IN('ibv_create_qp', 'ibverbs'):
            ib_support = False
        if not conf.CHECK_FUNCS_IN('rdma_connect', 'rdmacm'):
            ib_support = False
        if ib_support:
            have_infiniband = True
        else:
            Logs.error("Infiniband support not available")
            sys.exit(1)
    if have_infiniband:
        Logs.info('Building with Infiniband support')
        conf.define('HAVE_INFINIBAND', 1)
        conf.define('USE_INFINIBAND', 1)

    have_etcd_reclock = False
    if Options.options.ctdb_etcd_reclock:
        try:
            conf.check_python_module('etcd')
            have_etcd_reclock = True
        except:
            Logs.error('etcd support not available')
            sys.exit(1)
    if have_etcd_reclock:
        Logs.info('Building with etcd support')
    conf.env.etcd_reclock = have_etcd_reclock

    if Options.options.ctdb_ceph_reclock:
        if (conf.CHECK_HEADERS('rados/librados.h', False, False, 'rados') and
					conf.CHECK_LIB('rados', shlib=True)):
            Logs.info('Building with Ceph librados recovery lock support')
            conf.define('HAVE_LIBRADOS', 1)
        else:
            Logs.error("Missing librados for Ceph recovery lock support")
            sys.exit(1)

    conf.env.CTDB_BINDIR = os.path.join(conf.env.EXEC_PREFIX, 'bin')
    conf.env.CTDB_DATADIR = os.path.join(conf.env.EXEC_PREFIX, 'share/ctdb')
    conf.env.CTDB_ETCDIR = os.path.join(conf.env.SYSCONFDIR, 'ctdb')
    conf.env.CTDB_VARDIR = os.path.join(conf.env.LOCALSTATEDIR, 'lib/ctdb')
    conf.env.CTDB_RUNDIR = os.path.join(conf.env.LOCALSTATEDIR, 'run/ctdb')
    conf.env.CTDB_HELPER_BINDIR = os.path.join(conf.env.LIBEXECDIR, 'ctdb')

    if Options.options.ctdb_logdir:
        conf.env.CTDB_LOGDIR = Options.options.ctdb_logdir
    else:
        conf.env.CTDB_LOGDIR = os.path.join(conf.env.LOCALSTATEDIR, 'log')

    if Options.options.ctdb_sockpath:
        conf.env.CTDB_SOCKPATH = Options.options.ctdb_sockpath
    else:
        conf.env.CTDB_SOCKPATH = os.path.join(conf.env.CTDB_RUNDIR,
                                              'ctdbd.socket')
    conf.define('CTDB_SOCKET', conf.env.CTDB_SOCKPATH)

    conf.ADD_CFLAGS('''-DCTDB_HELPER_BINDIR=\"%s\"
                       -DLOGDIR=\"%s\"
                       -DCTDB_DATADIR=\"%s\"
                       -DCTDB_ETCDIR=\"%s\"
                       -DCTDB_VARDIR=\"%s\"
                       -DCTDB_RUNDIR=\"%s\"''' % (
                    conf.env.CTDB_HELPER_BINDIR,
                    conf.env.CTDB_LOGDIR,
                    conf.env.CTDB_DATADIR,
                    conf.env.CTDB_ETCDIR,
                    conf.env.CTDB_VARDIR,
                    conf.env.CTDB_RUNDIR))

    conf.env.CTDB_TEST_DATADIR = os.path.join(conf.env.CTDB_DATADIR, 'tests')
    conf.env.CTDB_TEST_LIBEXECDIR = os.path.join(conf.env.LIBEXECDIR, 'ctdb/tests')

    # Allow unified compilation and separate compilation of utilities
    # to find includes
    if not conf.env.standalone_ctdb:
        conf.ADD_EXTRA_INCLUDES('#include/public #ctdb/include #ctdb')
    else:
        if srcdir == '.':
            # Building from tarball
            conf.ADD_EXTRA_INCLUDES('#include')
        else:
            # Building standalone CTDB from within Samba tree
            conf.ADD_EXTRA_INCLUDES('#ctdb/include')
            conf.ADD_EXTRA_INCLUDES('#ctdb')
        conf.ADD_EXTRA_INCLUDES('#lib #lib/replace')

        conf.DEFINE('HAVE_CONFIG_H', 1, add_to_cflags=True)
        conf.DEFINE('SAMBA_UTIL_CORE_ONLY', 1, add_to_cflags=True)
        conf.SAMBA_CONFIG_H()

    if 'XSLTPROC_MANPAGES' in conf.env and conf.env['XSLTPROC_MANPAGES']:
        conf.env.ctdb_generate_manpages = True
    else:
        conf.env.ctdb_generate_manpages = False

        Logs.info("xsltproc unavailable, checking for pre-built manpages")
        conf.env.ctdb_prebuilt_manpages = []
        manpages = manpages_binary + manpages_misc
        if conf.env.etcd_reclock:
            manpages += manpages_etcd
        if conf.env.HAVE_LIBRADOS:
            manpages += manpages_ceph
        for m in manpages:
            if os.path.exists(os.path.join("doc", m)):
                Logs.info("  %s: yes" % (m))
                conf.env.ctdb_prebuilt_manpages.append(m)
            else:
                Logs.info("  %s: no" % (m))

def gen_ctdb_version(task):
    fp = file(task.outputs[0].bldpath(task.env), 'w')
    fp.write('/* This file is auto-generated from waf */\n')
    fp.write('#include "version.h"\n')
    fp.write('\n')
    fp.write('#define CTDB_VERSION_STRING "%s"\n' % VERSION)
    fp.close()


def build(bld):
    if bld.env.standalone_ctdb:
        # enable building of public headers in the build tree
        bld.env.build_public_headers = 'include/public'

    if bld.env.standalone_ctdb:
        bld.SAMBA_MKVERSION('version.h', '%s/VERSION' % vdir)

    t = bld.SAMBA_GENERATOR('ctdb-version-header',
                            target='include/ctdb_version.h',
                            rule=gen_ctdb_version,
                            dep_vars=['VERSION'])
    t.env.VERSION = VERSION

    bld.env.PKGCONFIGDIR = '${LIBDIR}/pkgconfig'

    bld.RECURSE('lib/replace')
    if bld.CHECK_FOR_THIRD_PARTY():
        bld.RECURSE('third_party/popt')
        if bld.env.standalone_ctdb or bld.CONFIG_GET('SOCKET_WRAPPER'):
            bld.RECURSE('third_party/socket_wrapper')

    bld.RECURSE('lib/tdb_wrap')
    bld.RECURSE('lib/util')
    bld.RECURSE('lib/async_req')

    bld.RECURSE('lib/talloc')
    bld.RECURSE('lib/tevent')
    bld.RECURSE('lib/tdb')

    if bld.env.standalone_ctdb:
        # If a combined build is implemented, CTDB will want to
        # build against samba-util rather than samba-util-core.
        # Similarly, other Samba subsystems expect samba-util.  So,
        # for a standalone build, just define a fake samba-util
        # subsystem that pulls in samba-util-core.
        bld.SAMBA_SUBSYSTEM('samba-util',
                            source='',
                            deps='samba-util-core')

    bld.SAMBA_SUBSYSTEM('ctdb-tcp',
                        source=bld.SUBDIR('tcp',
                                          'tcp_connect.c tcp_init.c tcp_io.c'),
                        includes='include',
                        deps='replace tdb talloc tevent')

    ib_deps = ''
    if bld.env.HAVE_INFINIBAND:
        bld.SAMBA_SUBSYSTEM('ctdb-ib',
                            source=bld.SUBDIR('ib',
                                              '''ibwrapper.c ibw_ctdb.c
                                                 ibw_ctdb_init.c'''),
                            includes='include',
                            deps='replace talloc tevent tdb')
        ib_deps = ' ctdb-ib rdmacm ibverbs'

    bld.SAMBA_SUBSYSTEM('ctdb-system',
                        source=bld.SUBDIR('common',
                                          'system_socket.c system.c'),
                        includes='include',
                        deps='replace talloc tevent tdb pcap samba-util')

    bld.SAMBA_SUBSYSTEM('ctdb-common',
                        source=bld.SUBDIR('common',
                                          '''ctdb_io.c ctdb_util.c ctdb_ltdb.c
                                             sock_io.c'''),
                        includes='include',
                        deps='''replace popt talloc tevent tdb popt ctdb-system
                                ctdb-protocol-util''')

    bld.SAMBA_SUBSYSTEM('ctdb-util',
                        source=bld.SUBDIR('common',
                                          '''db_hash.c srvid.c reqid.c
                                             pkt_read.c pkt_write.c comm.c
                                             logging.c rb_tree.c tunable.c
                                             pidfile.c run_proc.c
                                             hash_count.c run_event.c
                                             sock_client.c version.c
                                             cmdline.c path.c conf.c line.c
                                          '''),
                        deps='''samba-util sys_rw tevent-util
                                replace talloc tevent tdb popt''')

    bld.SAMBA_SUBSYSTEM('ctdb-logging-conf',
                        source='common/logging_conf.c',
                        deps='ctdb-util talloc')

    bld.SAMBA_SUBSYSTEM('ctdb-protocol-basic',
                        source=bld.SUBDIR('protocol', 'protocol_basic.c'),
                        deps='talloc tdb')

    bld.SAMBA_SUBSYSTEM('ctdb-protocol',
                        source=bld.SUBDIR('protocol',
                                          '''protocol_header.c protocol_packet.c
                                             protocol_types.c
                                             protocol_call.c
                                             protocol_message.c
                                             protocol_control.c
                                             protocol_keepalive.c
                                             protocol_tunnel.c
                                             protocol_client.c
                                             protocol_debug.c
                                             protocol_sock.c'''),
                        includes='include',
                        deps='ctdb-protocol-basic replace talloc tdb')

    bld.SAMBA_SUBSYSTEM('ctdb-protocol-util',
                        source='protocol/protocol_util.c',
                        deps='ctdb-util replace talloc tdb')

    bld.SAMBA_SUBSYSTEM('ctdb-client',
                        source=bld.SUBDIR('client',
                                          '''client_connect.c client_call.c
                                             client_message.c client_control.c
                                             client_message_sync.c
                                             client_control_sync.c
                                             client_db.c client_util.c
                                             client_tunnel.c
                                          '''),
                        includes='include',
                        deps='replace talloc tevent tdb tdb-wrap')

    bld.SAMBA_SUBSYSTEM('ctdb-server-util',
                        source=bld.SUBDIR('common',
                                          '''sock_daemon.c'''),
                        deps='''samba-util ctdb-util ctdb-system tevent-util
                                LIBASYNC_REQ replace talloc tevent''')

    bld.SAMBA_SUBSYSTEM('ctdb-ipalloc',
                        source=bld.SUBDIR('server',
                                          '''ipalloc_deterministic.c
                                             ipalloc_nondeterministic.c
                                             ipalloc_lcp2.c
                                             ipalloc_common.c
                                             ipalloc.c
                                          '''),
                        includes='include',
                        deps='ctdb-protocol-util replace talloc tevent')

    bld.SAMBA_BINARY('ctdb-path',
                     source='common/path_tool.c',
                     cflags='-DCTDB_PATH_TOOL',
                     deps='''ctdb-util samba-util talloc replace popt''',
                     install_path='${CTDB_HELPER_BINDIR}')

    bld.SAMBA_SUBSYSTEM('ctdb-cluster-conf',
                        source='cluster/cluster_conf.c',
                        deps='ctdb-util')

    bld.SAMBA_SUBSYSTEM('ctdb-database-conf',
                        source='database/database_conf.c',
                        deps='ctdb-util')

    bld.SAMBA_SUBSYSTEM('ctdb-event-conf',
                        source='event/event_conf.c',
                        deps='ctdb-util')

    bld.SAMBA_SUBSYSTEM('ctdb-legacy-conf',
                        source='server/legacy_conf.c',
                        deps='ctdb-util')

    bld.SAMBA_BINARY('ctdb-config',
                     source='common/conf_tool.c',
                     cflags='-DCTDB_CONF_TOOL',
                     deps='''ctdb-logging-conf
                             ctdb-event-conf
                             ctdb-cluster-conf
                             ctdb-database-conf
                             ctdb-legacy-conf
                             ctdb-util samba-util talloc replace popt''',
                     install_path='${CTDB_HELPER_BINDIR}')

    bld.SAMBA_SUBSYSTEM('ctdb-event-protocol',
                        source=bld.SUBDIR('event',
                                          '''event_protocol.c
                                             event_protocol_util.c
                                          '''),
                        deps='ctdb-protocol-basic')

    bld.SAMBA_LIBRARY('ctdb-event-client',
                      source='event/event_client.c',
                      deps='ctdb-event-protocol ctdb-util tevent talloc',
                      private_library=True)

    bld.SAMBA_BINARY('ctdb-eventd',
                     source=bld.SUBDIR('event',
                                       '''event_cmd.c
                                          event_config.c
                                          event_context.c
                                          event_daemon.c
                                          event_request.c
                                          '''),
                     deps='''ctdb-event-protocol
                             ctdb-event-conf ctdb-logging-conf
                             ctdb-server-util samba-util ctdb-util
                             talloc tevent replace popt''',
                     install_path='${CTDB_HELPER_BINDIR}')

    bld.SAMBA_BINARY('ctdb-event',
                        source='event/event_tool.c',
                        cflags='-DCTDB_EVENT_TOOL',
                        deps='''ctdb-event-client ctdb-event-protocol
                                ctdb-util samba-util talloc replace''',
                        install_path='${CTDB_HELPER_BINDIR}')

    bld.SAMBA_BINARY('ctdbd',
                     source='server/ctdbd.c ' +
                               bld.SUBDIR('server',
                                          '''ctdb_daemon.c ctdb_recoverd.c
                                             ctdb_recover.c ctdb_freeze.c
                                             ctdb_tunables.c ctdb_monitor.c
                                             ctdb_server.c ctdb_control.c
                                             ctdb_call.c ctdb_ltdb_server.c
                                             ctdb_traverse.c eventscript.c
                                             ctdb_takeover.c
                                             ctdb_persistent.c ctdb_keepalive.c
                                             ctdb_cluster_mutex.c
                                             ctdb_logging.c
                                             ctdb_uptime.c
                                             ctdb_vacuum.c ctdb_banning.c
                                             ctdb_statistics.c
                                             ctdb_update_record.c
                                             ctdb_lock.c ctdb_fork.c
                                             ctdb_tunnel.c ctdb_client.c
                                             ctdb_config.c
                                          '''),
                     includes='include',
                     deps='''ctdb-common ctdb-system ctdb-protocol
                             ctdb-tcp ctdb-util replace sys_rw popt
                             ctdb-logging-conf
                             ctdb-cluster-conf
                             ctdb-database-conf
                             ctdb-event-conf
                             ctdb-legacy-conf
                             ctdb-event-protocol
                             talloc tevent tdb-wrap tdb talloc_report''' +
                          ib_deps,
                     install_path='${SBINDIR}',
                     manpages='ctdbd.1')

    bld.SAMBA_BINARY('ctdb',
                     source='tools/ctdb.c',
                     deps='''ctdb-client ctdb-protocol ctdb-protocol-util
                             ctdb-util ctdb-system samba-util sys_rw popt''',
                     install_path='${BINDIR}',
                     manpages='ctdb.1')

    bld.SAMBA_BINARY('ctdb_killtcp',
                     source='tools/ctdb_killtcp.c',
                     deps='''ctdb-protocol-util ctdb-util ctdb-system
                             samba-util replace''',
                     install_path='${CTDB_HELPER_BINDIR}')

    bld.SAMBA_BINARY('ltdbtool',
                     source='tools/ltdbtool.c',
                     includes='include',
                     deps='tdb',
                     install_path='${BINDIR}',
                     manpages='ltdbtool.1')

    bld.SAMBA_BINARY('ctdb_lock_helper',
                     source='server/ctdb_lock_helper.c',
                     deps='''samba-util sys_rw ctdb-system tevent-util
                             talloc tevent tdb''',
                     includes='include',
                     install_path='${CTDB_HELPER_BINDIR}')

    bld.SAMBA_BINARY('ctdb_recovery_helper',
                     source='server/ctdb_recovery_helper.c',
                     deps='''ctdb-client ctdb-protocol ctdb-util
                             samba-util sys_rw replace tdb''',
                     install_path='${CTDB_HELPER_BINDIR}')

    bld.SAMBA_BINARY('ctdb_takeover_helper',
                     source='server/ctdb_takeover_helper.c',
                     deps='''ctdb-client ctdb-protocol ctdb-util
                             samba-util sys_rw replace ctdb-ipalloc popt''',
                     install_path='${CTDB_HELPER_BINDIR}')

    bld.SAMBA_BINARY('ctdb_mutex_fcntl_helper',
                     source='server/ctdb_mutex_fcntl_helper.c',
                     deps='sys_rw ctdb-system',
                     includes='include',
                     install_path='${CTDB_HELPER_BINDIR}')

    bld.SAMBA_GENERATOR('ctdb-smnotify-h',
                        source='utils/smnotify/smnotify.x',
                        target='utils/smnotify/smnotify.h',
                        rule='rpcgen -h ${SRC} > ${TGT}')

    xdr_buf_hack = 'sed -e "s@^\([ \t]*register int32_t \*buf\);@\\1 = buf;@"'

    bld.SAMBA_GENERATOR('ctdb-smnotify-x',
                        source='utils/smnotify/smnotify.x',
                        target='utils/smnotify/gen_xdr.c',
                        rule='rpcgen -c ${SRC} | ' + xdr_buf_hack + ' > ${TGT}')

    bld.SAMBA_GENERATOR('ctdb-smnotify-c',
                        source='utils/smnotify/smnotify.x',
                        target='utils/smnotify/gen_smnotify.c',
                        rule='rpcgen -l ${SRC} > ${TGT}')

    bld.SAMBA_BINARY('smnotify',
                     source=bld.SUBDIR('utils/smnotify',
                                       'smnotify.c gen_smnotify.c gen_xdr.c'),
                     deps='ctdb-smnotify-h ctdb-smnotify-c ctdb-smnotify-x popt tirpc',
                     includes='utils utils/smnotify',
                     install_path='${CTDB_HELPER_BINDIR}')

    bld.SAMBA_BINARY('ping_pong',
                     source='utils/ping_pong/ping_pong.c',
                     deps='',
                     install_path='${BINDIR}',
                     manpages='ping_pong.1')

    if bld.env.HAVE_PMDA:
        bld.SAMBA_BINARY('pmdactdb',
                         source='utils/pmda/pmda_ctdb.c',
                         includes='include',
                         deps='''ctdb-client ctdb-protocol ctdb-util
                                 samba-util pcp_pmda pcp''',
                         install_path='${CTDB_PMDADIR}')
        bld.INSTALL_FILES('${CTDB_PMDADIR}', 'utils/pmda/Install',
                          destname='Install')
        bld.INSTALL_FILES('${CTDB_PMDADIR}', 'utils/pmda/Remove',
                          destname='Remove')
        bld.INSTALL_FILES('${CTDB_PMDADIR}', 'utils/pmda/pmns',
                          destname='pmns')
        bld.INSTALL_FILES('${CTDB_PMDADIR}', 'utils/pmda/domain.h',
                          destname='domain.h')
        bld.INSTALL_FILES('${CTDB_PMDADIR}', 'utils/pmda/help',
                          destname='help')
        bld.INSTALL_FILES('${CTDB_PMDADIR}', 'utils/pmda/README',
                          destname='README')

    if bld.env.HAVE_LIBRADOS:
        bld.SAMBA_BINARY('ctdb_mutex_ceph_rados_helper',
                         source='utils/ceph/ctdb_mutex_ceph_rados_helper.c',
			 deps='talloc tevent rados',
			 includes='include',
			 install_path='${CTDB_HELPER_BINDIR}')

    sed_expr1 = 's|/usr/local/var/lib/ctdb|%s|g'  % (bld.env.CTDB_VARDIR)
    sed_expr2 = 's|/usr/local/etc/ctdb|%s|g'      % (bld.env.CTDB_ETCDIR)
    sed_expr3 = 's|/usr/local/var/log|%s|g'       % (bld.env.CTDB_LOGDIR)
    sed_expr4 = 's|/usr/local/var/run/ctdb|%s|g'  % (bld.env.CTDB_RUNDIR)
    sed_expr5 = 's|/usr/local/sbin|%s|g'          % (bld.env.SBINDIR)
    sed_expr6 = 's|/usr/local/libexec/ctdb|%s|g'  % (bld.env.CTDB_HELPER_BINDIR)
    sed_expr7 = 's|/usr/local/bin|%s|g'           % (bld.env.BINDIR)
    sed_expr8 = 's|/usr/local/share/ctdb|%s|g'    % (bld.env.CTDB_DATADIR)
    sed_cmdline = '-e "%s" ' * 8 % \
                       (sed_expr1, sed_expr2, sed_expr3, sed_expr4, sed_expr5,
                        sed_expr6, sed_expr7, sed_expr8)

    manpages_extra = manpages_misc
    if bld.env.etcd_reclock:
        manpages_extra += manpages_etcd
    if bld.env.HAVE_LIBRADOS:
        manpages_extra += manpages_ceph
    for f in manpages_binary + manpages_extra:
        x = '%s.xml' % (f)
        bld.SAMBA_GENERATOR(x,
                            source=os.path.join('doc', x),
                            target=x,
                            rule='sed %s ${SRC} > ${TGT}' % (sed_cmdline))

    if bld.env.ctdb_generate_manpages:
        bld.MANPAGES(' '.join(manpages_extra), True)
    else:
        for m in bld.env.ctdb_prebuilt_manpages:
            bld.SAMBA_GENERATOR(m,
                                source=os.path.join("doc", m),
                                target=m,
                                rule='sed %s ${SRC} > ${TGT}' % (sed_cmdline))
            bld.INSTALL_FILES('${MANDIR}/man%s' % m[-1], m)

    bld.SAMBA_GENERATOR('ctdb-onnode',
                        source='tools/onnode',
                        target='onnode',
                        rule='sed %s ${SRC} > ${TGT}' % (sed_cmdline))
    bld.INSTALL_FILES('${BINDIR}', 'onnode',
                      destname='onnode', chmod=0755)

    bld.SAMBA_GENERATOR('ctdb-diagnostics',
                        source='tools/ctdb_diagnostics',
                        target='ctdb_diagnostics',
                        rule='sed %s ${SRC} > ${TGT}' % (sed_cmdline))
    bld.INSTALL_FILES('${BINDIR}', 'ctdb_diagnostics',
                      destname='ctdb_diagnostics', chmod=0755)

    if bld.env.etcd_reclock:
        bld.SAMBA_GENERATOR('ctdb-etcd-lock',
                            source='utils/etcd/ctdb_etcd_lock',
                            target='ctdb_etcd_lock',
                            rule='sed %s ${SRC} > ${TGT}' % (sed_cmdline))
        bld.INSTALL_FILES('${CTDB_HELPER_BINDIR}', 'ctdb_etcd_lock',
                          destname='ctdb_etcd_lock', chmod=0744)

    bld.SAMBA_GENERATOR('ctdb-natgw',
                        source='tools/ctdb_natgw',
                        target='ctdb_natgw',
                        rule='sed %s ${SRC} > ${TGT}' % (sed_cmdline))
    bld.INSTALL_FILES('${CTDB_HELPER_BINDIR}', 'ctdb_natgw',
                      destname='ctdb_natgw', chmod=0755)

    bld.SAMBA_GENERATOR('ctdb-lvs',
                        source='tools/ctdb_lvs',
                        target='ctdb_lvs',
                        rule='sed %s ${SRC} > ${TGT}' % (sed_cmdline))
    bld.INSTALL_FILES('${CTDB_HELPER_BINDIR}', 'ctdb_lvs',
                      destname='ctdb_lvs', chmod=0755)

    bld.SAMBA_GENERATOR('ctdbd-wrapper',
                        source='config/ctdbd_wrapper',
                        target='ctdbd_wrapper',
                        rule='sed %s ${SRC} > ${TGT}' % (sed_cmdline))
    bld.INSTALL_FILES('${SBINDIR}', 'ctdbd_wrapper',
                      destname='ctdbd_wrapper', chmod=0755)

    def SUBDIR_MODE_callback(arg, dirname, fnames):
        for f in fnames:
            fl = os.path.join(dirname, f)
            if os.path.isdir(fl) or os.path.islink(fl):
                continue
            mode = os.lstat(fl).st_mode & 0777
            if arg['trim_path']:
                fl = samba_utils.os_path_relpath(fl, arg['trim_path'])
            arg['file_list'].append([fl, mode])

    def SUBDIR_MODE(path, trim_path=None):
        pd = {'trim_path': trim_path, 'file_list': []}
        os.path.walk(path, SUBDIR_MODE_callback, pd)
        return pd['file_list']

    event_script_subdirs = [
        'events/legacy',
    ]

    etc_subdirs = [
        'nfs-checks.d'
    ]

    if bld.env.standalone_ctdb:
        configdir = 'config'
    else:
        configdir = 'ctdb/config'

    for t in event_script_subdirs:
        bld.INSTALL_DIR(os.path.join(bld.env.CTDB_ETCDIR, t))
        files = SUBDIR_MODE('%s/%s' % (configdir, t), trim_path=configdir)
        for fmode in files:
            bld.INSTALL_FILES(bld.env.CTDB_DATADIR, 'config/%s' % fmode[0],
                              destname=fmode[0], chmod=fmode[1])

    for t in etc_subdirs:
        files = SUBDIR_MODE('%s/%s' % (configdir, t), trim_path=configdir)
        for fmode in files:
            bld.INSTALL_FILES(bld.env.CTDB_ETCDIR, 'config/%s' % fmode[0],
                              destname=fmode[0], chmod=fmode[1])

    # If this is a direct install and there are no event scripts
    # linked/enabled then enable some standard ones
    if os.environ.get('DESTDIR') is None:
        fmt = 'events/legacy/%s.script'
        required_script = '00.ctdb'
        required_path = os.path.join(bld.env.CTDB_ETCDIR,
                                     fmt % (required_script))
        if not os.path.islink(required_path) and \
           not os.path.exists(required_path):
            default_scripts = [ required_script,
                                '01.reclock',
                                '05.system',
                                '10.interface',
                              ]
            for t in default_scripts:
                tgt = os.path.join(bld.env.CTDB_DATADIR, fmt % (t))
                name = os.path.join(bld.env.CTDB_ETCDIR, fmt % (t))
                bld.symlink_as(name, tgt)

    bld.SAMBA_GENERATOR('ctdb-functions',
                        source='config/functions',
                        target='functions',
                        rule='sed %s ${SRC} > ${TGT}' % (sed_cmdline))
    bld.INSTALL_FILES(bld.env.CTDB_ETCDIR, 'functions', destname='functions')

    etc_scripts = [
        'ctdb-crash-cleanup.sh',
        'debug-hung-script.sh',
        'debug_locks.sh',
        'nfs-linux-kernel-callout',
        'notify.sh',
        'statd-callout'
    ]

    for t in etc_scripts:
        bld.INSTALL_FILES(bld.env.CTDB_ETCDIR, 'config/%s' % t,
                          destname=t, chmod=0755)

    bld.SAMBA_GENERATOR('ctdb-sudoers',
                        source='config/ctdb.sudoers',
                        target='ctdb.sudoers',
                        rule='sed %s ${SRC} > ${TGT}' % (sed_cmdline))
    bld.INSTALL_FILES('${SYSCONFDIR}/sudoers.d', 'ctdb.sudoers',
                      destname='ctdb')

    bld.INSTALL_FILES('${CTDB_ETCDIR}/events/notification',
                      'config/notification.README',
                      destname='README')

    bld.install_dir(bld.env.CTDB_LOGDIR)
    bld.install_dir(bld.env.CTDB_RUNDIR)
    bld.install_dir(bld.env.CTDB_VARDIR)

    for d in ['volatile', 'persistent', 'state']:
        bld.install_dir(os.path.join(bld.env.CTDB_VARDIR, d))

    bld.SAMBA_BINARY('errcode',
                     source='tests/src/errcode.c',
                     deps='replace',
                     install_path='${CTDB_TEST_LIBEXECDIR}')

    bld.SAMBA_BINARY('sigcode',
                     source='tests/src/sigcode.c',
                     deps='replace',
                     install_path='${CTDB_TEST_LIBEXECDIR}')

    # Unit tests
    ctdb_unit_tests = [
        'db_hash_test',
        'srvid_test',
        'pkt_read_test',
        'pkt_write_test',
        'comm_test',
        'comm_server_test',
        'comm_client_test',
        'pidfile_test',
        'run_proc_test',
        'sock_io_test',
        'hash_count_test',
        'run_event_test',
        'cmdline_test',
        'conf_test',
        'line_test',
    ]

    for target in ctdb_unit_tests:
        src = 'tests/src/' + target + '.c'

        bld.SAMBA_BINARY(target,
                         source=src,
                         deps='''talloc tevent tdb tevent-util popt
                                 LIBASYNC_REQ samba-util sys_rw''',
                         install_path='${CTDB_TEST_LIBEXECDIR}')

    bld.SAMBA_BINARY('reqid_test',
                     source='tests/src/reqid_test.c',
                     deps='samba-util',
                     install_path='${CTDB_TEST_LIBEXECDIR}')

    bld.SAMBA_BINARY('rb_test',
                     source='tests/src/rb_test.c',
                     deps='samba-util talloc',
                     install_path='${CTDB_TEST_LIBEXECDIR}')

    bld.SAMBA_BINARY('ctdb_packet_parse',
                     source='tests/src/ctdb_packet_parse.c',
                     deps='talloc tevent tdb ctdb-protocol',
                     install_path='${CTDB_TEST_LIBEXECDIR}')

    bld.SAMBA_BINARY('porting_tests',
                     source='tests/src/porting_tests.c',
                     deps='samba-util ctdb-system popt',
                     install_path='${CTDB_TEST_LIBEXECDIR}')

    bld.SAMBA_BINARY('sock_daemon_test',
                     source='tests/src/sock_daemon_test.c',
                     deps='''ctdb-system talloc tevent tevent-util
                             LIBASYNC_REQ samba-util sys_rw''',
                     install_path='${CTDB_TEST_LIBEXECDIR}')

    bld.SAMBA_SUBSYSTEM('ctdb-protocol-tests-basic',
                        source=bld.SUBDIR('tests/src',
                                          'protocol_common_basic.c'),
                        deps='replace talloc')

    bld.SAMBA_SUBSYSTEM('ctdb-protocol-tests-common',
                        source=bld.SUBDIR('tests/src',
                                          '''protocol_common.c
                                             protocol_common_ctdb.c
                                          '''),
                        includes='include',
                        deps='ctdb-protocol-tests-basic replace talloc tdb')

    bld.SAMBA_BINARY('protocol_basic_test',
                     source=bld.SUBDIR('tests/src', 'protocol_basic_test.c'),
                     deps='ctdb-protocol-tests-basic talloc',
                     install_path='${CTDB_TEST_LIBEXECDIR}')

    ctdb_protocol_tests = [
            'protocol_types_test',
            'protocol_ctdb_test',
            'protocol_util_test',
            'protocol_types_compat_test',
            'protocol_ctdb_compat_test',
    ]

    for target in ctdb_protocol_tests:
        src = 'tests/src/' + target + '.c'

        bld.SAMBA_BINARY(target,
                         source=src,
                         deps='''ctdb-protocol-tests-common
                                 samba-util ctdb-util talloc tdb''',
                         install_path='${CTDB_TEST_LIBEXECDIR}')

    bld.SAMBA_BINARY('event_protocol_test',
                     source='event/event_protocol_test.c',
                     deps='''ctdb-protocol-tests-basic
                             ctdb-protocol-basic talloc''',
                     install_path='${CTDB_TEST_LIBEXECDIR}')

    bld.SAMBA_SUBSYSTEM('ctdb-tests-common',
                        source=bld.SUBDIR('tests/src',
                                          'cluster_wait.c test_options.c'),
                        includes='include',
                        deps='samba-util replace popt talloc tevent tdb')

    # Test binaries
    ctdb_tests = [
        'g_lock_loop',
        'message_ring',
        'fetch_ring',
        'fetch_loop',
        'fetch_loop_key',
        'fetch_readonly',
        'fetch_readonly_loop',
        'transaction_loop',
        'update_record',
        'update_record_persistent',
        'lock_tdb',
        'dummy_client',
        'tunnel_test',
        'tunnel_cmd',
    ]

    for target in ctdb_tests:
        src = 'tests/src/' + target + '.c'

        bld.SAMBA_BINARY(target,
                         source=src,
                         includes='include',
                         deps='''ctdb-client ctdb-protocol ctdb-util
                                 samba-util ctdb-tests-common''',
                         install_path='${CTDB_TEST_LIBEXECDIR}')

    bld.SAMBA_BINARY('ctdb_takeover_tests',
                     source='''tests/src/ctdb_takeover_tests.c
                               tests/src/ipalloc_read_known_ips.c''',
                     deps='''replace popt tdb tevent talloc ctdb-system
                             samba-util tdb-wrap talloc_report
                             ctdb-ipalloc ctdb-protocol ctdb-util''',
                     includes='include',
                     install_path='${CTDB_TEST_LIBEXECDIR}')

    bld.SAMBA_BINARY('fake_ctdbd',
                     source='''tests/src/fake_ctdbd.c
                               tests/src/ipalloc_read_known_ips.c''',
                     deps='''ctdb-util ctdb-protocol ctdb-protocol-util
                             ctdb-system samba-util tevent-util
                             LIBASYNC_REQ popt''',
                     install_path='${CTDB_TEST_LIBEXECDIR}')

    if bld.env.HAVE_INFINIBAND:
        bld.SAMBA_BINARY('ibwrapper_test',
                         source='ib/ibwrapper_test.c',
                         includes='include',
                         deps='replace talloc ctdb-common sys_rw' +
                              ib_deps,
                         install_path='${CTDB_TEST_LIBEXECDIR}')

    if bld.env.HAVE_ROBUST_MUTEXES and sys.platform.startswith('linux'):
        bld.SAMBA_BINARY('test_mutex_raw',
                         source='tests/src/test_mutex_raw.c',
                         deps='pthread',
                         install_path='${CTDB_TEST_LIBEXECDIR}')

    test_subdirs = [
        'complex',
        'ctdb_eventd',
        'cunit',
        'eventd',
        'eventscripts',
        'onnode',
        'shellcheck',
        'simple',
        'takeover',
        'takeover_helper',
        'tool'
    ]

    if bld.env.standalone_ctdb:
        testdir = 'tests'
    else:
        testdir = 'ctdb/tests'

    for t in test_subdirs:
        files = SUBDIR_MODE('%s/%s' % (testdir, t), trim_path=testdir)
        for fmode in files:
            bld.INSTALL_FILES(bld.env.CTDB_TEST_DATADIR, 'tests/%s' % fmode[0],
                              destname=fmode[0], chmod=fmode[1])

    # Install tests/scripts directory without test_wrap
    test_scripts = [
        'common.sh',
        'integration.bash',
        'unit.sh'
    ]

    for t in test_scripts:
        bld.INSTALL_FILES(bld.env.CTDB_TEST_DATADIR,
                          os.path.join('tests/scripts', t),
                          destname=os.path.join('scripts', t))

    sed_expr = 's@^TEST_SCRIPTS_DIR=.*@&\\nexport TEST_BIN_DIR=\"%s\"@' % (
               bld.env.CTDB_TEST_LIBEXECDIR)
    bld.SAMBA_GENERATOR('ctdb-test-wrap',
                        source='tests/scripts/test_wrap',
                        target='test_wrap',
                        rule='sed -e "%s" ${SRC} > ${TGT}' % sed_expr)
    bld.INSTALL_FILES(bld.env.CTDB_TEST_DATADIR+"/scripts", 'test_wrap',
                      destname='test_wrap', chmod=0755)

    bld.SAMBA_GENERATOR('ctdb-test-script-install-paths',
                        source='tests/scripts/script_install_paths.sh',
                        target='script_install_paths.sh',
                        rule='sed %s ${SRC} > ${TGT}' % (sed_cmdline))
    bld.INSTALL_FILES(bld.env.CTDB_TEST_DATADIR+"/scripts",
                      'script_install_paths.sh',
                      destname='script_install_paths.sh', chmod=0644)

    sed_expr1 = 's@^\(export %s\)=.*@\\1=%s\\nexport %s=\"%s\"@''' % (
                    'CTDB_TEST_DIR', bld.env.CTDB_TEST_DATADIR,
                    'TEST_BIN_DIR', bld.env.CTDB_TEST_LIBEXECDIR)
    sed_expr2 = 's@^\(export CTDB_TESTS_ARE_INSTALLED\)=false@\\1=true@'
    bld.SAMBA_GENERATOR('ctdb-test-runner',
                        source='tests/run_tests.sh',
                        target='ctdb_run_tests.sh',
                        rule='sed -e "%s" -e "%s" ${SRC} > ${TGT}' % (
                             sed_expr1, sed_expr2))
    bld.INSTALL_FILES('${BINDIR}', 'ctdb_run_tests.sh',
                      destname='ctdb_run_tests', chmod=0755)
    bld.symlink_as(os.path.join(bld.env.BINDIR, 'ctdb_run_cluster_tests'),
                   'ctdb_run_tests')


def testonly(ctx):
    cmd = 'tests/run_tests.sh -V tests/var'
    ret = samba_utils.RUN_COMMAND(cmd)
    if ret != 0:
        print('tests exited with exit status %d' % ret)
        sys.exit(ret)


def test(ctx):
    import Scripting
    Scripting.commands.append('build')
    Scripting.commands.append('testonly')


def autotest(ctx):
    env = samba_utils.LOAD_ENVIRONMENT()
    cmd = 'tests/run_tests.sh -e -S %s -C' % env.SOCKET_WRAPPER_SO_PATH
    ret = samba_utils.RUN_COMMAND(cmd)
    if ret != 0:
        print('autotest exited with exit status %d' % ret)
        sys.exit(ret)


def show_version(ctx):
    print VERSION


def manpages(ctx):
    BASE_URL = 'http://docbook.sourceforge.net/release/xsl/current'
    MAN_XSL = '%s/manpages/docbook.xsl' % BASE_URL
    HTML_XSL = '%s/html/docbook.xsl' % BASE_URL
    CMD_TEMPLATE = 'xsltproc --xinclude -o %s --nonet %s %s'
    manpages = manpages_binary + manpages_misc + manpages_etcd + manpages_ceph
    for t in manpages:
        cmd = CMD_TEMPLATE % ('doc/%s' % t, MAN_XSL, 'doc/%s.xml' % t)
        ret = samba_utils.RUN_COMMAND(cmd)
        if ret != 0:
            print('Command %s failed with exit status %d' % (cmd, ret))
            sys.exit(ret)

        cmd = CMD_TEMPLATE % ('doc/%s.html' % t, HTML_XSL, 'doc/%s.xml' % t)
        ret = samba_utils.RUN_COMMAND(cmd)
        if ret != 0:
            print('Command %s failed with exit status %d' % (cmd, ret))
            sys.exit(ret)


def distonly(ctx):
    samba_dist.DIST_FILES('VERSION:VERSION', extend=True)

    distfile = file('.distversion', 'w')
    for field in version.vcs_fields:
        distfile.write('%s=%s\n' % (field, str(version.vcs_fields[field])))
    distfile.close()
    samba_dist.DIST_FILES('ctdb/.distversion:.distversion', extend=True)

    t = 'ctdb.spec'
    sed_expr1 = 's/@VERSION@/%s/g' % VERSION
    sed_expr2 = 's/@RELEASE@/%s/g' % '1'
    cmd = 'sed -e "%s" -e "%s" packaging/RPM/ctdb.spec.in > %s' % (
        sed_expr1, sed_expr2, t)
    ret = samba_utils.RUN_COMMAND(cmd)
    if ret != 0:
        print('Command "%s" failed with exit status %d' % (cmd, ret))
        sys.exit(ret)
    samba_dist.DIST_FILES('ctdb/%s:%s' % (t, t), extend=True)

    manpages = manpages_binary + manpages_misc + manpages_etcd + manpages_ceph
    for t in manpages:
        samba_dist.DIST_FILES('ctdb/doc/%s:doc/%s' % (t, t), extend=True)
        samba_dist.DIST_FILES('ctdb/doc/%s.html:doc/%s.html' % (t, t),
                              extend=True)

    samba_dist.dist()


def dist():
    import Scripting
    Scripting.commands.append('manpages')
    Scripting.commands.append('distonly')


def rpmonly(ctx):
    opts = os.getenv('RPM_OPTIONS') or ''
    cmd = 'rpmbuild -ta --clean --rmsource %s ctdb-%s.tar.gz' % (opts, VERSION)
    ret = samba_utils.RUN_COMMAND(cmd)
    if ret != 0:
        print('rpmbuild exited with exit status %d' % ret)
        sys.exit(ret)


def rpm(ctx):
    import Scripting
    Scripting.commands.append('manpages')
    Scripting.commands.append('distonly')
    Scripting.commands.append('rpmonly')


def ctags(ctx):
    "build 'tags' file using ctags"
    import Utils
    source_root = os.path.dirname(Utils.g_module.root_path)
    cmd = 'ctags $(find %s -name "*.[ch]")' % source_root
    print("Running: %s" % cmd)
    ret = samba_utils.RUN_COMMAND(cmd)
    if ret != 0:
        print('ctags failed with exit status %d' % ret)
        sys.exit(ret)