pidl/wscript

   1 #!/usr/bin/env python
   2
   3 import os, sys, Logs, Options
   4 from samba_utils import MODE_755
   5
   6 def set_options(opt):
   7     opt.tool_options('perl')
   8
   9 def configure(conf):
  10     conf.check_tool('perl')
  11     conf.check_perl_ext_devel()
  12
  13     # we need a recent version of MakeMaker to get the right man page names
  14     if conf.CHECK_PERL_MANPAGE():
  15         conf.env.PERLMAN1EXT = conf.CHECK_PERL_MANPAGE(section='1')
  16         conf.env.PERLMAN3EXT = conf.CHECK_PERL_MANPAGE(section='3')
  17         conf.DEFINE('HAVE_PERL_MAKEMAKER', 1)
  18
  19     # yapp is used for building the parser
  20     conf.find_program('yapp', var='YAPP')
  21     conf.find_program('pod2man', var='POD2MAN')
  22
  23     # Check for perl(Parse::Yapp::Driver)
  24     check_system_perl_module(conf, "Parse::Yapp::Driver", 1.05)
  25
  26 def build(bld):
  27     bld.INSTALL_FILES('${BINDIR}', 'pidl', chmod=MODE_755)
  28
  29     bld.RECURSE('lib')
  30
  31     if not bld.CONFIG_SET('HAVE_PERL_MAKEMAKER'):
  32         return
  33
  34     pidl_manpages = {
  35         'pidl': 'man1/pidl.${PERLMAN1EXT}',
  36         'lib/Parse/Pidl/NDR.pm': 'man3/Parse::Pidl::NDR.${PERLMAN3EXT}',
  37         'lib/Parse/Pidl/Wireshark/Conformance.pm': 'man3/Parse::Pidl::Wireshark::Conformance.${PERLMAN3EXT}',
  38         'lib/Parse/Pidl/Dump.pm': 'man3/Parse::Pidl::Dump.${PERLMAN3EXT}',
  39         'lib/Parse/Pidl/Util.pm': 'man3/Parse::Pidl::Util.${PERLMAN3EXT}',
  40         'lib/Parse/Pidl/Wireshark/NDR.pm': 'man3/Parse::Pidl::Wireshark::NDR.${PERLMAN3EXT}'
  41     }
  42
  43     for k, v in pidl_manpages.iteritems():
  44         pidl_manpages[k] = bld.EXPAND_VARIABLES(v)
  45
  46     # use perl to build the manpages
  47     bld.env.pidl_srcdir = os.path.join(bld.srcnode.abspath(), 'pidl')
  48
  49     blib_bld = os.path.join(bld.srcnode.abspath(bld.env), 'pidl/blib')
  50
  51     bld.SET_BUILD_GROUP('final')
  52     if 'POD2MAN' in bld.env and bld.env['POD2MAN'] != '':
  53         for src, manpage in pidl_manpages.iteritems():
  54             bld(rule='${POD2MAN} -c "Samba Documentation" ${SRC} ${TGT}',
  55                 shell=True,
  56                 source=src,
  57                 install_path=os.path.dirname(bld.EXPAND_VARIABLES('${MANDIR}/'+manpage)),
  58                 target=os.path.basename(manpage))
  59
  60     # we want to prefer the git version of the parsers if we can.
  61     # Only if the source has changed do we want to re-run yapp
  62     # But we force the developer to use the pidl standalone build
  63     # to regenerate the files.
  64     # TODO: only warn in developer mode and if 'git diff HEAD'
  65     #       shows a difference
  66     warn_about_grammar_changes = ('PIDL_BUILD_WARNINGS' in bld.env and (
  67         bld.IS_NEWER('idl.yp', 'lib/Parse/Pidl/IDL.pm') or
  68         bld.IS_NEWER('expr.yp', 'lib/Parse/Pidl/Expr.pm')))
  69
  70     if warn_about_grammar_changes:
  71         Logs.warn('''
  72 Pidl grammar files have changed. Please use the pidl standalone build
  73 to regenerate them with yapp.
  74
  75 $ cd ../pidl
  76 $ perl Makefile.PL
  77 $ make lib/Parse/Pidl/IDL.pm lib/Parse/Pidl/Expr.pm
  78 $ git add lib/Parse/Pidl/IDL.pm lib/Parse/Pidl/Expr.pm
  79 $ git commit
  80 $ cd -
  81
  82 If your 100% sure you haven't changed idl.yp and expr.yp
  83 try this to avoid this message:
  84
  85 $ touch ../pidl/lib/Parse/Pidl/IDL.pm ../pidl/lib/Parse/Pidl/Expr.pm
  86 ''')
  87
  88 def check_system_perl_module(conf, module, version=None):
  89     bundle_name = module.replace('::', '_')
  90     module_check = module
  91     found = False
  92
  93     # Create module string with version
  94     if version:
  95         module_check = module + ' ' + str(version)
  96
  97     # Check if we have to bundle it.
  98     if conf.LIB_MUST_BE_BUNDLED(bundle_name.lower()):
  99         return False
 100
 101     # Check for system perl module
 102     if not conf.check_perl_module(module_check):
 103         return False
 104
 105     conf.define('USING_SYSTEM_%s' % bundle_name.upper(), 1)
 106
 107     return True