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