waf/demos/precious/wscript

#! /usr/bin/env python
# encoding: utf-8

def options(opt):
	opt.load('compiler_c')

def configure(conf):
	conf.load('compiler_c')

def build(bld):

	# the file precious.c is updated in the source directory
	# the actual application is produced in the build directory

	node = bld.path.find_resource('precious.c')

	def fun(task):
		import random
		val = random.randint(0, 222111000)
		task.outputs[0].write('#include <stdio.h>\nint main(){ printf("%%d", %d); return 0;}' % val)

	bld(
		#rule = '''echo -e "#include <stdio.h>\\nint main(){ printf(\\"%%d\\", $$RANDOM); return 0;}" > ${TGT}''',
		rule = fun,
		target = node,
		always = True)

	bld.program(
		source = 'precious.c',
		target = 'app')