#!/usr/bin/env python
from waflib.extras import autowaf as autowaf
from waflib import Options
from waflib import TaskGen
import os
import sys

# Version of this package (even if built as a child)
MAJOR = '4'
MINOR = '1'
MICRO = '0'
LIBPBD_VERSION = "%s.%s.%s" % (MAJOR, MINOR, MICRO)

# Library version (UNIX style major, minor, micro)
# major increment <=> incompatible changes
# minor increment <=> compatible changes (additions)
# micro increment <=> no interface changes
LIBPBD_LIB_VERSION = '4.1.0'

# Variables for 'waf dist'
APPNAME = 'libpbd'
VERSION = LIBPBD_VERSION
I18N_PACKAGE = 'libpbd4'

# Mandatory variables
top = '.'
out = 'build'

path_prefix = 'libs/pbd/'

libpbd_sources = [
    'basename.cc',
    'base_ui.cc',
    'boost_debug.cc',
    'cartesian.cc',
    'command.cc',
    'convert.cc',
    'controllable.cc',
    'controllable_descriptor.cc',
    'cpus.cc',
    'debug.cc',
    'enumwriter.cc',
    'event_loop.cc',
    'enums.cc',
    'epa.cc',
    'error.cc',
    'ffs.cc',
    'file_manager.cc',
    'file_utils.cc',
    'fpu.cc',
    'glib_semaphore.cc',
    'id.cc',
    'locale_guard.cc',
    'localtime_r.cc',
    'malign.cc',
    'md5.cc',
    'mountpoint.cc',
    'openuri.cc',
    'pathexpand.cc',
    'pbd.cc',
    'pool.cc',
    'property_list.cc',
    'pthread_utils.cc',
    'receiver.cc',
    'resource.cc',
    'search_path.cc',
    'semutils.cc',
    'shortpath.cc',
    'signals.cc',
    'sndfile_manager.cc',
    'stacktrace.cc',
    'stateful_diff_command.cc',
    'stateful.cc',
    'strreplace.cc',
    'strsplit.cc',
    'system_exec.cc',
    'textreceiver.cc',
    'transmitter.cc',
    'undo.cc',
    'uuid.cc',
    'version.cc',
    'whitespace.cc',
    'xml++.cc',
]

def options(opt):
    autowaf.set_options(opt)

def configure(conf):
    conf.load('compiler_cxx')
    autowaf.build_version_files(path_prefix+'pbd/version.h', path_prefix+'version.cc',
                    'libpbd', MAJOR, MINOR, MICRO, 'LIBPBD_API', 'pbd/libpbd_visibility.h')
    autowaf.configure(conf)
    autowaf.check_pkg(conf, 'libxml-2.0', uselib_store='XML')
    autowaf.check_pkg(conf, 'sigc++-2.0', uselib_store='SIGCPP', atleast_version='2.0')

    conf.check(function_name='getmntent', header_name='mntent.h', define_name='HAVE_GETMNTENT',mandatory=False)
    conf.check(header_name='execinfo.h', define_name='HAVE_EXECINFO',mandatory=False)
    conf.check(header_name='unistd.h', define_name='HAVE_UNISTD',mandatory=False)
    conf.check_cc(function_name='posix_memalign', header_name='stdlib.h', cflags='-D_XOPEN_SOURCE=600', define_name='HAVE_POSIX_MEMALIGN', mandatory=False)
    conf.check(function_name='localtime_r', header_name='time.h', define_name='HAVE_LOCALTIME_R',mandatory=False)

    conf.write_config_header('libpbd-config.h', remove=False)

    # Boost headers
    autowaf.check_header(conf, 'cxx', 'boost/shared_ptr.hpp')
    autowaf.check_header(conf, 'cxx', 'boost/weak_ptr.hpp')
    if Options.options.dist_target == 'mingw':
        conf.check(compiler='cxx',
                   lib='ole32',
                   mandatory=True,
                   uselib_store='OLE')

def build(bld):

    # Make signals_generated.h using signals.py
    bld(rule = 'python ${SRC} ${TGT}', source = 'pbd/signals.py', target = 'pbd/signals_generated.h')

    # Library
    if bld.is_defined ('INTERNAL_SHARED_LIBS'):
        print('BUILD SHARED LIB')
        obj              = bld.shlib(features = 'cxx cxxshlib', source=libpbd_sources)
        obj.defines = [ 'LIBPBD_DLL_EXPORTS=1' ]
    else:
        print('BUILD STATIC LIB')
        obj              = bld.stlib(features = 'cxx cxxstlib', source=libpbd_sources)
        obj.cxxflags     = [ '-fPIC' ]
        obj.cflags     = [ '-fPIC' ]
        obj.defines      = []

    if bld.is_defined('DEBUG_RT_ALLOC'):
        obj.source += 'debug_rt_alloc.c'

    if bld.env['build_target'] != 'mingw':
        obj.source += [ 'crossthread.cc' ]

    obj.export_includes = ['.']
    obj.includes     = ['.']
    obj.name         = 'libpbd'
    obj.target       = 'pbd'
    obj.uselib       = 'GLIBMM SIGCPP XML UUID SNDFILE GIOMM'
    if sys.platform == 'darwin':
        TaskGen.task_gen.mappings['.mm'] = TaskGen.task_gen.mappings['.cc']
        if 'cocoa_open_uri.mm' not in obj.source:
            obj.source += [ 'cocoa_open_uri.mm' ]
        obj.uselib += ' OSX'
    obj.vnum         = LIBPBD_LIB_VERSION
    obj.install_path = bld.env['LIBDIR']
    obj.defines     += [ 'PACKAGE="' + I18N_PACKAGE + '"',
                         ]

    if bld.env['build_target'] == 'x86_64':
        obj.defines += [ 'USE_X86_64_ASM' ]
    if bld.env['build_target'] == 'mingw':
        obj.source += [ 'windows_special_dirs.cc' ]
        obj.uselib += ' OLE'

    if bld.env['BUILD_TESTS'] and bld.is_defined('HAVE_CPPUNIT'):
        # Unit tests
        testobj              = bld(features = 'cxx cxxprogram')
        testobj.source       = '''
                test/testrunner.cc
                test/xpath.cc
                test/mutex_test.cc
                test/scalar_properties.cc
                test/signals_test.cc
                test/convert_test.cc
                test/filesystem_test.cc
                test/test_common.cc
        '''.split()
        testobj.target       = 'run-tests'
        testobj.includes     = obj.includes + ['test', '../pbd']
        testobj.uselib       = 'CPPUNIT XML SNDFILE'
        testobj.use          = 'libpbd'
        testobj.name         = 'libpbd-tests'
        if sys.platform != 'darwin' and bld.env['build_target'] != 'mingw':
            testobj.linkflags    = ['-lrt']

def shutdown():
    autowaf.shutdown()
