pidl/wscript

   1 #!/usr/bin/env python
   2
   3 import os, string
   4 from samba_utils import MODE_755
   5 from waflib import Logs
   6
   7 # This function checks if a perl module is installed on the system.
   8 def check_system_perl_module(conf, module, version=None):
   9     bundle_name = module.replace('::', '_')
  10     module_check = module
  11
  12     # Create module string with version
  13     if version:
  14         module_check = module + ' ' + str(version)
  15
  16     # Check if we have to bundle it.
  17     if conf.LIB_MUST_BE_BUNDLED(bundle_name.lower()):
  18         return False
  19
  20     # Check for system perl module
  21     if conf.check_perl_module(module_check) is None:
  22         return False
  23
  24     conf.define('USING_SYSTEM_%s' % bundle_name.upper(), 1)
  25
  26     return True
  27
  28 def options(opt):
  29     return
  30
  31 def configure(conf):
  32     # Check if perl(Parse::Yapp::Driver) is available.
  33     check_system_perl_module(conf, "Parse::Yapp::Driver", 1.05)
  34
  35     # we need a recent version of MakeMaker to get the right man page names
  36     if conf.CHECK_PERL_MANPAGE():
  37         conf.env.PERLMAN1EXT = conf.CHECK_PERL_MANPAGE(section='1')
  38         conf.env.PERLMAN3EXT = conf.CHECK_PERL_MANPAGE(section='3')
  39         conf.DEFINE('HAVE_PERL_MAKEMAKER', 1)
  40
  41     # yapp is used for building the parser
  42     conf.find_program('yapp', var='YAPP')
  43     conf.find_program('pod2man', var='POD2MAN')
  44
  45 def build(bld):
  46     bld.INSTALL_FILES('${BINDIR}', 'pidl', chmod=MODE_755, perl_fixup=True)
  47
  48     bld.RECURSE('lib')
  49
  50     if not bld.CONFIG_SET('HAVE_PERL_MAKEMAKER'):
  51         return
  52
  53     pidl_manpages = {
  54         'pidl': 'man1/pidl.${PERLMAN1EXT}',
  55         'lib/Parse/Pidl/NDR.pm': 'man3/Parse::Pidl::NDR.${PERLMAN3EXT}',
  56         'lib/Parse/Pidl/Wireshark/Conformance.pm': 'man3/Parse::Pidl::Wireshark::Conformance.${PERLMAN3EXT}',
  57         'lib/Parse/Pidl/Dump.pm': 'man3/Parse::Pidl::Dump.${PERLMAN3EXT}',
  58         'lib/Parse/Pidl/Util.pm': 'man3/Parse::Pidl::Util.${PERLMAN3EXT}',
  59         'lib/Parse/Pidl/Wireshark/NDR.pm': 'man3/Parse::Pidl::Wireshark::NDR.${PERLMAN3EXT}'
  60     }
  61
  62     for k, v in pidl_manpages.iteritems():
  63         pidl_manpages[k] = bld.EXPAND_VARIABLES(v)
  64
  65     # use perl to build the manpages
  66     bld.env.pidl_srcdir = os.path.join(bld.srcnode.abspath(), 'pidl')
  67
  68     bld.SET_BUILD_GROUP('final')
  69     if 'POD2MAN' in bld.env and bld.env['POD2MAN'] != '':
  70         for src, manpage in pidl_manpages.iteritems():
  71             section = string.rsplit(manpage, ".", 1)[1]
  72             bld(rule='${POD2MAN} -c "Samba Documentation" -s %s ${SRC} ${TGT}' % section,
  73                 shell=True,
  74                 source=src,
  75                 install_path=os.path.dirname(bld.EXPAND_VARIABLES('${MANDIR}/'+manpage)),
  76                 target=os.path.basename(manpage))
  77
  78     # we want to prefer the git version of the parsers if we can.
  79     # Only if the source has changed do we want to re-run yapp
  80     # But we force the developer to use the pidl standalone build
  81     # to regenerate the files.
  82     # TODO: only warn in developer mode and if 'git diff HEAD'
  83     #       shows a difference
  84     warn_about_grammar_changes = ('PIDL_BUILD_WARNINGS' in bld.env and (
  85         bld.IS_NEWER('idl.yp', 'lib/Parse/Pidl/IDL.pm') or
  86         bld.IS_NEWER('expr.yp', 'lib/Parse/Pidl/Expr.pm')))
  87
  88     if warn_about_grammar_changes:
  89         Logs.warn('''
  90 Pidl grammar files have changed. Please use the pidl standalone build
  91 to regenerate them with yapp.
  92
  93 $ cd ../pidl
  94 $ perl Makefile.PL
  95 $ make lib/Parse/Pidl/IDL.pm lib/Parse/Pidl/Expr.pm
  96 $ git add lib/Parse/Pidl/IDL.pm lib/Parse/Pidl/Expr.pm
  97 $ git commit
  98 $ cd -
  99
 100 If your 100% sure you haven't changed idl.yp and expr.yp
 101 try this to avoid this message:
 102
 103 $ touch ../pidl/lib/Parse/Pidl/IDL.pm ../pidl/lib/Parse/Pidl/Expr.pm
 104 ''')
 105