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Support flexflags as arguments - #1782

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Thomas Nagy 2016-07-28 23:19:25 +02:00
parent 195a3e6562
commit 954594bf07
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1 changed files with 10 additions and 2 deletions
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12
waflib/Tools/flex.py
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@ -8,7 +8,9 @@ The **flex** program is a code generator which creates C or C++ files.
The generated files are compiled into object files.
"""
import waflib.TaskGen, os, re
import os, re
from waflib import Task, TaskGen
from waflib.Tools import ccroot
def decide_ext(self, node):
if 'cxx' in self.features:
@ -33,13 +35,19 @@ def flexfun(tsk):
txt = bld.cmd_and_log(lst, cwd=wd, env=env.env or None, quiet=0)
tsk.outputs[0].write(txt.replace('\r\n', '\n').replace('\r', '\n')) # issue #1207
waflib.TaskGen.declare_chain(
TaskGen.declare_chain(
name = 'flex',
rule = flexfun, # issue #854
ext_in = '.l',
decider = decide_ext,
)
# To support the following:
# bld(features='c', flexflags='-P/foo')
Task.classes['flex'].vars = ['FLEXFLAGS', 'FLEX']
ccroot.USELIB_VARS['c'].add('FLEXFLAGS')
ccroot.USELIB_VARS['cxx'].add('FLEXFLAGS')
def configure(conf):
"""
Detect the *flex* program