build: a more portable way of finding waf in makefiles
[sfrench/samba-autobuild/.git] / pidl / wscript
1 #!/usr/bin/env python
2
3 import os
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.${PERLMAN3EXT}'
39     }
40
41     for k, v in pidl_manpages.iteritems():
42         pidl_manpages[k] = bld.EXPAND_VARIABLES(v)
43
44     # use perl to build the manpages
45     bld.env.pidl_srcdir = os.path.join(bld.srcnode.abspath(), 'pidl')
46
47     blib_bld = os.path.join(bld.srcnode.abspath(bld.env), 'pidl/blib')
48
49     link_command = 'rm -rf blib && ln -fs blib %s' % blib_bld
50     
51     bld.SET_BUILD_GROUP('final')
52     if 'POD2MAN' in bld.env and bld.env['POD2MAN'] != '':
53         for src, manpage in pidl_manpages.iteritems():
54             bld(rule='${PERL} ${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. Only if the
61     # source has changed do we want to re-run yapp
62     need_yapp_build = ('YAPP' in bld.env and (
63         bld.IS_NEWER('idl.yp', 'lib/Parse/Pidl/IDL.pm') or
64         bld.IS_NEWER('expr.yp', 'lib/Parse/Pidl/Expr.pm')))
65
66     if need_yapp_build:
67         t = bld.SAMBA_GENERATOR('pidl_parser',
68                                 source='idl.yp expr.yp',
69                                 target='lib/Parse/Pidl/IDL.pm lib/Parse/Pidl/Expr.pm Makefile.PL',
70                                 rule='cd ${pidl_srcdir} && ${LINK_COMMAND} && ${PERL} Makefile.PL && make lib/Parse/Pidl/IDL.pm lib/Parse/Pidl/Expr.pm && rm -f Makefile Makefile.old && rm -f blib')
71         t.env.LINK_COMMAND = link_command