pidl/wscript

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