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#!/usr/bin/env python

APPNAME = 'tdb'
VERSION = '2.0.0'

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

samba_dist.DIST_DIRS('lib/tdb2:. lib/replace:lib/replace lib/ccan:lib/ccan buildtools:buildtools')

def set_options(opt):
    opt.BUILTIN_DEFAULT('replace,ccan')
    opt.PRIVATE_EXTENSION_DEFAULT('tdb2', noextension='tdb2')
    opt.RECURSE('lib/replace')
    opt.add_option('--enable-tdb2',
                   help=("Use tdb2 API instead of tdb1 [True]"),
                   action="store_true", dest='BUILD_TDB2', default=True)
    opt.add_option('--disable-tdb2',
                   help=("Use old tdb1 API instead of tdb2"),
                   action="store_false", dest='BUILD_TDB2')
    if opt.IN_LAUNCH_DIR():
        opt.add_option('--disable-python',
                       help=("disable the pytdb module"),
                       action="store_true", dest='disable_python', default=False)

def configure(conf):
    if Options.options.BUILD_TDB2:
        conf.DEFINE('BUILD_TDB2', 1)
        conf.RECURSE('lib/replace')
        conf.RECURSE('lib/ccan')

        conf.env.standalone_tdb2 = conf.IN_LAUNCH_DIR()
        conf.env.disable_python = getattr(Options.options, 'disable_python', False)

        if not conf.env.standalone_tdb2:
            if conf.CHECK_BUNDLED_SYSTEM('tdb', minversion=VERSION,
                                         implied_deps='replace'):
                conf.define('USING_SYSTEM_TDB2', 1)
                if conf.CHECK_BUNDLED_SYSTEM_PYTHON('pytdb', 'tdb', minversion=VERSION):
                    conf.define('USING_SYSTEM_PYTDB', 1)

        if not conf.env.disable_python:
            # also disable if we don't have the python libs installed
            conf.find_program('python', var='PYTHON')
            conf.check_tool('python')
            conf.check_python_version((2,4,2))
            conf.SAMBA_CHECK_PYTHON_HEADERS(mandatory=False)
            if not conf.env.HAVE_PYTHON_H:
                Logs.warn('Disabling pytdb as python devel libs not found')
                conf.env.disable_python = True

        # This make #include <ccan/...> work.
        conf.ADD_EXTRA_INCLUDES('''#lib''')

        conf.SAMBA_CONFIG_H()

def build(bld):
    if bld.env.BUILD_TDB2:
        bld.RECURSE('lib/replace')
        bld.RECURSE('lib/ccan')

        if bld.env.standalone_tdb2:
            bld.env.PKGCONFIGDIR = '${LIBDIR}/pkgconfig'
            private_library = False
        else:
            private_library = True

        SRC = '''check.c free.c hash.c io.c lock.c open.c
                 summary.c tdb.c transaction.c traverse.c
                 tdb1_check.c tdb1_freelist.c tdb1_hash.c
                 tdb1_io.c tdb1_lock.c tdb1_open.c
                 tdb1_summary.c tdb1_tdb.c tdb1_transaction.c
                 tdb1_traverse.c'''

        if not bld.CONFIG_SET('USING_SYSTEM_TDB2'):
            bld.SAMBA_LIBRARY('tdb',
                              SRC,
                              deps='replace ccan',
                              includes='.',
                              abi_directory='ABI',
                              abi_match='tdb_* tdb1_incompatible_hash',
                              hide_symbols=True,
                              vnum=VERSION,
                              public_headers='tdb2.h',
                              public_headers_install=not private_library,
                              private_library=private_library)

            bld.SAMBA_BINARY('tdbtorture',
                             'tools/tdb2torture.c',
                             deps='tdb',
                             install=False)

            bld.SAMBA_BINARY('tdbtool',
                             'tools/tdb2tool.c',
                             deps='tdb')

            bld.SAMBA_BINARY('tdbdump',
                             'tools/tdb2dump.c',
                             deps='tdb')

            bld.SAMBA_BINARY('tdbrestore',
                             'tools/tdb2restore.c',
                             deps='tdb')

            bld.SAMBA_BINARY('tdbbackup',
                             'tools/tdb2backup.c',
                             deps='tdb')

            if not bld.CONFIG_SET('USING_SYSTEM_PYTDB'):
                bld.SAMBA_PYTHON('pytdb',
                                 source='pytdb.c',
                                 deps='tdb',
                                 enabled=not bld.env.disable_python,
                                 realname='tdb.so',
                                 cflags='-DPACKAGE_VERSION=\"%s\"' % VERSION)

def dist():
    '''makes a tarball for distribution'''
    samba_dist.dist()

def reconfigure(ctx):
    '''reconfigure if config scripts have changed'''
    import samba_utils
    samba_utils.reconfigure(ctx)