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#!/usr/bin/env python
import os, string
from samba_utils import MODE_755
from waflib import Logs, Errors
# This function checks if a perl module is installed on the system.
def check_system_perl_module(conf, module, version=None):
module_check = module
# Create module string with version
if version:
module_check = module + ' ' + str(version)
# Check for system perl module
if conf.check_perl_module(module_check) is None:
return False
return True
def options(opt):
return
def configure(conf):
# Check if perl(Parse::Yapp::Driver) is available.
if not check_system_perl_module(conf,
"Parse::Yapp::Driver",
1.05):
raise Errors.WafError('perl module "Parse::Yapp::Driver" not found')
# yapp is used for building the parser
if not conf.find_program('yapp', var='YAPP'):
raise Errors.WafError('yapp not found')
def build(bld):
# we want to prefer the git version of the parsers if we can.
# Only if the source has changed do we want to re-run yapp
# But we force the developer to use the pidl standalone build
# to regenerate the files.
# TODO: only warn in developer mode and if 'git diff HEAD'
# shows a difference
warn_about_grammar_changes = ('PIDL_BUILD_WARNINGS' in bld.env and (
bld.IS_NEWER('idl.yp', 'lib/Parse/Pidl/IDL.pm') or
bld.IS_NEWER('expr.yp', 'lib/Parse/Pidl/Expr.pm')))
if warn_about_grammar_changes:
Logs.warn('''
Pidl grammar files have changed. Please use the pidl standalone build
to regenerate them with yapp.
$ cd ../pidl
$ perl Makefile.PL
$ make lib/Parse/Pidl/IDL.pm lib/Parse/Pidl/Expr.pm
$ git add lib/Parse/Pidl/IDL.pm lib/Parse/Pidl/Expr.pm
$ git commit
$ cd -
If your 100% sure you haven't changed idl.yp and expr.yp
try this to avoid this message:
$ touch ../pidl/lib/Parse/Pidl/IDL.pm ../pidl/lib/Parse/Pidl/Expr.pm
''')
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