#! /usr/bin/env python

def write_header(tsk):
	tsk.outputs[0].write('int abc = 423;\n')
bld(features='use', rule=write_header, target='b.h', ext_out=['.h'], name='XYZ')

tg = bld.program(
	features = 'aaa',
	source   = 'main.c',
	includes = '. ..',
	#cflags   = ['-O3'], # for example
	defines  = ['foo=bar'],
	target   = 'myprogram',
	use      = 'M XYZ')

# just for fun, make main.c depend on wscript_build
bld.add_manual_dependency('main.c', bld.path.find_resource('wscript_build'))

# ----------------------------------------

from waflib import TaskGen
@TaskGen.feature('aaa')
@TaskGen.before('apply_link')
def add_one_task(self):
	"""this is a task generator method, it is bound to the feature 'aaa' """
	tsk = self.create_task('foo')
	tsk.outputs = [self.bld.path.find_or_declare('abc.h')]

import waflib.Task
class foo(waflib.Task.Task):
	"""this is a task class"""
	before = ['c']
	color  = 'BLUE'
	def run(self):
		self.outputs[0].write('int kik = 343;\n')


if bld.env.CC_NAME == 'msvc':
	tg.source += ' msvc_resource.rc'