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waf/playground/implicit_order/wscript
2011-09-10 11:13:51 +02:00

64 lines
1.5 KiB
Python

#! /usr/bin/env python
# encoding: utf-8
# Thomas Nagy, 2006-2010 (ita)
VERSION='0.0.1'
APPNAME='cc_test'
top = '.'
import waflib.Configure
waflib.Configure.autoconfig = True
def options(opt):
opt.load('compiler_c')
def configure(conf):
conf.load('compiler_c')
def build(bld):
bld(rule='echo "int ko = $$RANDOM;" > ${TGT}', target='faa.h', always=True, update_outputs=True, shell=True, name='z2')
bld.program(source='a.c main.c', target='foo', includes='.')
# sort the tasks in reverse order to force the 'faa.h' creation in last position
from waflib import Task, Errors, Logs
old = Task.set_file_constraints
def meth(lst):
try:
lst.sort(cmp=lambda x, y: cmp(x.__class__.__name__, y.__class__.__name__))
except:
lst.sort(key=lambda x: x.__class__.__name__) # python3
old(lst)
Task.set_file_constraints = meth
def are_implicit_nodes_ready(self):
"""remove this method if/when the main one is enabled"""
bld = self.generator.bld
try:
cache = bld.dct_implicit_nodes
except:
bld.dct_implicit_nodes = cache = {}
try:
dct = cache[bld.cur]
except KeyError:
dct = cache[bld.cur] = {}
for tsk in bld.cur_tasks:
for x in tsk.outputs:
dct[x] = tsk
modified = False
for x in bld.node_deps.get(self.uid(), []):
if x in dct:
self.run_after.add(dct[x])
modified = True
if modified:
for tsk in self.run_after:
if not tsk.hasrun:
Logs.warn("task %r is not ready..." % self)
raise Errors.TaskNotReady('not ready')
Task.Task.are_implicit_nodes_ready = are_implicit_nodes_ready