buildtools/wafsamba/samba_perl.py

   1 import Build
   2 from samba_utils import *
   3 from Configure import conf
   4
   5 done = {}
   6
   7 @conf
   8 def SAMBA_CHECK_PERL(conf, mandatory=True, version=(5,0,0)):
   9     #
  10     # TODO: use the @runonce mechanism for this.
  11     # The problem is that @runonce currently does
  12     # not seem to work together with @conf...
  13     # So @runonce (and/or) @conf needs fixing.
  14     #
  15     if "done" in done:
  16         return
  17     done["done"] = True
  18     conf.find_program('perl', var='PERL', mandatory=mandatory)
  19     conf.check_tool('perl')
  20     path_perl = conf.find_program('perl')
  21     conf.env.PERL_SPECIFIED = (conf.env.PERL != path_perl)
  22     conf.check_perl_version(version)
  23
  24     def read_perl_config_var(cmd):
  25         return Utils.to_list(Utils.cmd_output([conf.env.PERL, '-MConfig', '-e', cmd]))
  26
  27     def check_perl_config_var(var):
  28         conf.start_msg("Checking for perl $Config{%s}:" % var)
  29         try:
  30             v = read_perl_config_var('print $Config{%s}' % var)[0]
  31             conf.end_msg("'%s'" % (v), 'GREEN')
  32             return v
  33         except IndexError:
  34             conf.end_msg(False, 'YELLOW')
  35             pass
  36         return None
  37
  38     vendor_prefix = check_perl_config_var('vendorprefix')
  39
  40     perl_arch_install_dir = None
  41     if vendor_prefix == conf.env.PREFIX:
  42         perl_arch_install_dir = check_perl_config_var('vendorarch');
  43     if perl_arch_install_dir is None:
  44         perl_arch_install_dir = "${LIBDIR}/perl5";
  45     conf.start_msg("PERL_ARCH_INSTALL_DIR: ")
  46     conf.end_msg("'%s'" % (perl_arch_install_dir), 'GREEN')
  47     conf.env.PERL_ARCH_INSTALL_DIR = perl_arch_install_dir
  48
  49     perl_lib_install_dir = None
  50     if vendor_prefix == conf.env.PREFIX:
  51         perl_lib_install_dir = check_perl_config_var('vendorlib');
  52     if perl_lib_install_dir is None:
  53         perl_lib_install_dir = "${DATADIR}/perl5";
  54     conf.start_msg("PERL_LIB_INSTALL_DIR: ")
  55     conf.end_msg("'%s'" % (perl_lib_install_dir), 'GREEN')
  56     conf.env.PERL_LIB_INSTALL_DIR = perl_lib_install_dir
  57
  58     perl_inc = read_perl_config_var('print "@INC"')
  59     perl_inc.remove('.')
  60     conf.start_msg("PERL_INC: ")
  61     conf.end_msg("%s" % (perl_inc), 'GREEN')
  62     conf.env.PERL_INC = perl_inc