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

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

def backend_list():
    if Options.options.program_name == 'Ardour':
        backends = [ 'jack' ]

        if Options.options.build_dummy: 
            backends += [ 'dummy' ]

    elif Options.options.program_name == 'Mixbus':
        backends = [ 'jack' ]

    elif Options.options.program_name == 'Tracks':
        if re.search ("linux", sys.platform) != None:
            backends = [ 'jack' ]
        else:
            backends = [ ]

    else:
        print ('Unknown product name; backends will not include JACK ', Options.options.program_name)

    if re.search ("linux", sys.platform) != None:
        if Options.options.build_alsabackend:
            backends += [ 'alsa' ]

    if sys.platform == 'darwin' or sys.platform == 'mingw' or sys.platform == 'msvc' or Options.options.dist_target == 'mingw':
        if Options.options.build_wavesbackend:
            backends += [ 'wavesaudio' ]

    return backends

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

def sub_config_and_use(conf, name, has_objects = True):
    conf.recurse(name)
    autowaf.set_local_lib(conf, name, has_objects)

def configure(conf):
    autowaf.set_recursive()
    autowaf.configure(conf)

    backends = backend_list()
    conf.env['BACKENDS'] = backends
    
    for i in backends:
        sub_config_and_use(conf, i)

def build(bld):
    backends = bld.env['BACKENDS']

    for i in backends:
        bld.recurse(i)