#!/usr/bin/env python
# encoding: utf-8
# Thomas Nagy, 2010

from waflib import Logs

APPNAME = 'wafcython'
VERSION = '1.0'

top = '.'
out = 'build'

def options(ctx):
	ctx.load('compiler_c')
	ctx.load('compiler_cxx')
	ctx.load('python')
	ctx.load('cython')
	ctx.load('cython_cache', tooldir='.')

def configure(ctx):
	ctx.load('compiler_c')
	ctx.load('compiler_cxx')
	ctx.load('python')
	ctx.check_python_headers()
	try:
		ctx.load('cython')
	except ctx.errors.ConfigurationError:
		Logs.warn('Cython was not found, using the cache')

def build(ctx):
	# a C library
	ctx(features = 'c cshlib',
		source   = 'c_lib/lib.c',
		target   = 'c_lib',
		includes = 'c_lib')

	# a C++ library
	ctx(features = 'cxx cxxshlib',
		source   = 'cxx_lib/lib.cxx',
		target   = 'cxx_lib',
		includes = 'cxx_lib')

	# first try to build a C-based cython extension
	ctx(
		features = 'c cshlib pyext',
		source   = 'src/cy_ctest.pyx',
		target   = 'cy_ctest',
		includes = 'c_lib',
		use	  = 'c_lib')

	# then a C++-based one
	ctx(
		features = 'cxx cxxshlib pyext',
		source   = 'src/cy_cxxtest.pyx',
		target   = 'cy_cxxtest',
		includes = 'cxx_lib',
		use	  = 'cxx_lib')

	# a C++ application which uses a C function from a cython module
	ctx(
		features = 'cxx cxxprogram pyembed',
		source   = 'cxx_lib/app.cxx',
		target   = 'cy-app',
		includes = 'cxx_lib src',
		use	  = 'cxx_lib'
		)