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#!/usr/bin/env python
import datetime
import os

from waflib.extras import autowaf as autowaf
import waflib.Logs as Logs

# Version of this package (even if built as a child)
LV2EXT_VERSION = datetime.date.isoformat(datetime.datetime.now()).replace('-', '.')

# Variables for 'waf dist'
APPNAME = 'lv2plug.in'
VERSION = LV2EXT_VERSION

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

def options(opt):
    autowaf.set_options(opt)
    opt.load('compiler_cc')
    opt.load('compiler_cxx')
    opt.recurse('core.lv2')
    opt.recurse('plugins/eg-amp.lv2')

def configure(conf):
    autowaf.set_recursive()
    autowaf.configure(conf)
    conf.recurse('core.lv2');
    conf.recurse('plugins/eg-amp.lv2');
    conf.load('compiler_cc')
    conf.load('compiler_cxx')
    conf.env.append_value('CFLAGS', '-std=c99')
    pat = conf.env['cshlib_PATTERN']
    ext = pat[pat.rfind('.'):]
    conf.env.append_value('cshlib_EXTENSION', ext)
    conf.write_config_header('lv2-config.h', remove=False)

def build_extension(bld, name, dir):
    data_file     = '%s/%s.lv2/%s.ttl' % (dir, name, name)
    manifest_file = '%s/%s.lv2/manifest.ttl' % (dir, name)
    header_files  = '%s/%s.lv2/*.h' % (dir, name)
    bld.install_files('${LV2DIR}/' + name + '.lv2', bld.path.ant_glob(data_file))
    bld.install_files('${LV2DIR}/' + name + '.lv2', bld.path.ant_glob(manifest_file))
    bld.install_files('${LV2DIR}/' + name + '.lv2', bld.path.ant_glob(header_files))

def build(bld):
    autowaf.set_recursive()
    bld.recurse('core.lv2')
    ext = '''
            atom
            contexts
            data-access
            dyn-manifest
            event
            files
            host-info
            instance-access
            midi
            osc
            parameter
            persist
            port-groups
            presets
            pui
            pui-event
            pui-gtk
            resize-port
            string-port
            uri-map
            uri-unmap
    '''
    for e in ext.split():
        build_extension(bld, e, 'ext')

    extensions = '''
            ui
            units
    '''
    for e in extensions.split():
        build_extension(bld, e, 'extensions')

    bld.add_post_fun(warn_lv2config)

    bld.recurse('plugins/eg-amp.lv2')

def warn_lv2config(ctx):
    if ctx.cmd == 'install':
        Logs.warn('''
* LV2 Extension(s) Installed
* You need to run lv2config to update extension headers
''')