pidl/wscript

   1 #!/usr/bin/env python
   2
   3 import os, sys, Logs
   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     # we need a recent version of MakeMaker to get the right man page names
  12     if conf.CHECK_PERL_MANPAGE():
  13         conf.env.PERLMAN1EXT = conf.CHECK_PERL_MANPAGE(section='1')
  14         conf.env.PERLMAN3EXT = conf.CHECK_PERL_MANPAGE(section='3')
  15         conf.DEFINE('HAVE_PERL_MAKEMAKER', 1)
  16
  17     # yapp is used for building the parser
  18     conf.find_program('yapp', var='YAPP')
  19     conf.find_program('pod2man', var='POD2MAN')
  20
  21 def build(bld):
  22     bld.INSTALL_FILES('${BINDIR}', 'pidl', chmod=MODE_755)
  23
  24     bld.RECURSE('lib')
  25
  26     if not bld.CONFIG_SET('HAVE_PERL_MAKEMAKER'):
  27         return
  28
  29     pidl_src = ['pidl']
  30     pidl_src.extend(bld.path.ant_glob('lib/**/*.pm').split())
  31
  32     pidl_manpages = {
  33         'pidl': 'man1/pidl.${PERLMAN1EXT}',
  34         'lib/Parse/Pidl/NDR.pm': 'man3/Parse::Pidl::NDR.${PERLMAN3EXT}',
  35         'lib/Parse/Pidl/Wireshark/Conformance.pm': 'man3/Parse::Pidl::Wireshark::Conformance.${PERLMAN3EXT}',
  36         'lib/Parse/Pidl/Dump.pm': 'man3/Parse::Pidl::Dump.${PERLMAN3EXT}',
  37         'lib/Parse/Pidl/Util.pm': 'man3/Parse::Pidl::Util.${PERLMAN3EXT}',
  38         'lib/Parse/Pidl/Wireshark/NDR.pm': 'man3/Parse::Pidl::Wireshark::NDR.${PERLMAN3EXT}'
  39     }
  40
  41     for k, v in pidl_manpages.iteritems():
  42         pidl_manpages[k] = bld.EXPAND_VARIABLES(v)
  43
  44     # use perl to build the manpages
  45     bld.env.pidl_srcdir = os.path.join(bld.srcnode.abspath(), 'pidl')
  46
  47     blib_bld = os.path.join(bld.srcnode.abspath(bld.env), 'pidl/blib')
  48
  49     bld.SET_BUILD_GROUP('final')
  50     if 'POD2MAN' in bld.env and bld.env['POD2MAN'] != '':
  51         for src, manpage in pidl_manpages.iteritems():
  52             bld(rule='${POD2MAN} -c "Samba Documentation" ${SRC} ${TGT}',
  53                 shell=True,
  54                 source=src,
  55                 install_path=os.path.dirname(bld.EXPAND_VARIABLES('${MANDIR}/'+manpage)),
  56                 target=os.path.basename(manpage))
  57
  58     # we want to prefer the git version of the parsers if we can.
  59     # Only if the source has changed do we want to re-run yapp
  60     # But we force the developer to use the pidl standalone build
  61     # to regenerate the files.
  62     # TODO: only warn in developer mode and if 'git diff HEAD'
  63     #       shows a difference
  64     warn_about_grammar_changes = ('PIDL_BUILD_WARNINGS' in bld.env and (
  65         bld.IS_NEWER('idl.yp', 'lib/Parse/Pidl/IDL.pm') or
  66         bld.IS_NEWER('expr.yp', 'lib/Parse/Pidl/Expr.pm')))
  67
  68     if warn_about_grammar_changes:
  69         Logs.warn('''
  70 Pidl grammar files have changed. Please use the pidl standalone build
  71 to regenerate them with yapp.
  72
  73 $ cd ../pidl
  74 $ perl Makefile.PL
  75 $ make lib/Parse/Pidl/IDL.pm lib/Parse/Pidl/Expr.pm
  76 $ git add lib/Parse/Pidl/IDL.pm lib/Parse/Pidl/Expr.pm
  77 $ git commit
  78 $ cd -
  79
  80 If your 100% sure you haven't changed idl.yp and expr.yp
  81 try this to avoid this message:
  82
  83 $ touch ../pidl/lib/Parse/Pidl/IDL.pm ../pidl/lib/Parse/Pidl/Expr.pm
  84 ''')
  85