dynconfig/wscript

   1 #!/usr/bin/env python
   2
   3 import string
   4 import os
   5 import optparse
   6 import textwrap
   7 from waflib import Logs, Errors, Options, Build, Context
   8 from samba_utils import EXPAND_VARIABLES
   9
  10 class SambaIndentedHelpFormatter (optparse.IndentedHelpFormatter):
  11     """Format help with indented section bodies.
  12     """
  13
  14     def __init__(self,
  15                  indent_increment=2,
  16                  max_help_position=12,
  17                  width=None,
  18                  short_first=1):
  19         optparse.IndentedHelpFormatter.__init__(
  20             self, indent_increment, max_help_position, width, short_first)
  21
  22     def format_option(self, option):
  23         # The help for each option consists of two parts:
  24         #   * the opt strings and metavars
  25         #     eg. ("-x", or "-fFILENAME, --file=FILENAME")
  26         #   * the user-supplied help string
  27         #     eg. ("turn on expert mode", "read data from FILENAME")
  28         #
  29         # If possible, we write both of these on the same line:
  30         #   -x      turn on expert mode
  31         #
  32         # But if the opt string list is too long, we put the help
  33         # string on a second line, indented to the same column it would
  34         # start in if it fit on the first line.
  35         #   -fFILENAME, --file=FILENAME
  36         #           read data from FILENAME
  37         result = []
  38         opts = self.option_strings[option]
  39         opt_width = self.help_position - self.current_indent - 2
  40         if len(opts) > opt_width:
  41             opts = "%*s%s\n" % (self.current_indent, "", opts)
  42             indent_first = self.help_position
  43         else:                       # start help on same line as opts
  44             opts = "%*s%-*s  " % (self.current_indent, "", opt_width, opts)
  45             indent_first = 0
  46         result.append(opts)
  47         if option.help:
  48             help_text = self.expand_default(option)
  49             if help_text.find('\n') == -1:
  50                 help_lines = textwrap.wrap(help_text, self.help_width)
  51             else:
  52                 help_lines = help_text.splitlines()
  53             result.append("%*s%s\n" % (indent_first, "", help_lines[0]))
  54             result.extend(["%*s%s\n" % (self.help_position, "", line)
  55                            for line in help_lines[1:]])
  56         elif opts[-1] != "\n":
  57             result.append("\n")
  58         return "".join(result)
  59
  60
  61 # list of directory options to offer in configure
  62 #
  63 # 'STD-PATH'  - the default path without --enable-fhs
  64 # 'FHS-PATH'  - the default path with --enable-fhs
  65 #
  66 # 'OPTION'    - the configure option to overwrite the default (optional)
  67 # 'HELPTEXT'  - the help text of the configure option (optional)
  68 #
  69 # 'OVERWRITE' - The option refers to itself and was already from
  70 #               the basic GNU options from the gnu_dirs tool.
  71 #               We may overwrite the related path. (Default: False)
  72 #
  73 # 'DELAY'     - The option refers to other options in the dynconfig list.
  74 #               We delay the initialization into a later stage. This
  75 #               makes sure the recursion works. (Default: False)
  76 #
  77 dynconfig = {
  78     'BINDIR' : {
  79          'STD-PATH':  '${BINDIR}',
  80          'FHS-PATH':  '${BINDIR}',
  81          'OVERWRITE': True,
  82     },
  83     'SBINDIR' : {
  84          'STD-PATH':  '${SBINDIR}',
  85          'FHS-PATH':  '${SBINDIR}',
  86          'OVERWRITE': True,
  87     },
  88     'LIBDIR' : {
  89          'STD-PATH':  '${LIBDIR}',
  90          'FHS-PATH':  '${LIBDIR}',
  91          'OVERWRITE': True,
  92     },
  93     'LIBEXECDIR' : {
  94          'STD-PATH':  '${LIBEXECDIR}',
  95          'FHS-PATH':  '${LIBEXECDIR}',
  96          'OVERWRITE': True,
  97     },
  98     'SAMBA_LIBEXECDIR' : {
  99          'STD-PATH':  '${LIBEXECDIR}/samba',
 100          'FHS-PATH':  '${LIBEXECDIR}/samba',
 101          'OVERWRITE': True,
 102     },
 103     'DATADIR' : {
 104          'STD-PATH':  '${DATADIR}',
 105          'FHS-PATH':  '${DATADIR}',
 106          'OVERWRITE': True,
 107     },
 108     'SAMBA_DATADIR' : {
 109          'STD-PATH':  '${DATADIR}/samba',
 110          'FHS-PATH':  '${DATADIR}/samba',
 111          'OVERWRITE': True,
 112     },
 113     'LOCALEDIR' : {
 114          'STD-PATH':  '${LOCALEDIR}',
 115          'FHS-PATH':  '${LOCALEDIR}',
 116          'OVERWRITE': True,
 117     },
 118     'PYTHONDIR' : {
 119          'STD-PATH':  '${PYTHONDIR}',
 120          'FHS-PATH':  '${PYTHONDIR}',
 121          'OVERWRITE': True,
 122     },
 123     'PYTHONARCHDIR' : {
 124          'STD-PATH':  '${PYTHONARCHDIR}',
 125          'FHS-PATH':  '${PYTHONARCHDIR}',
 126          'OVERWRITE': True,
 127     },
 128     'PERL_LIB_INSTALL_DIR' : {
 129          'STD-PATH':  '${PERL_LIB_INSTALL_DIR}',
 130          'FHS-PATH':  '${PERL_LIB_INSTALL_DIR}',
 131          'OVERWRITE': True,
 132     },
 133     'PERL_ARCH_INSTALL_DIR' : {
 134          'STD-PATH':  '${PERL_ARCH_INSTALL_DIR}',
 135          'FHS-PATH':  '${PERL_ARCH_INSTALL_DIR}',
 136          'OVERWRITE': True,
 137     },
 138     'INCLUDEDIR' : {
 139          'STD-PATH':  '${INCLUDEDIR}',
 140          'FHS-PATH':  '${INCLUDEDIR}/samba-4.0',
 141          'OVERWRITE': True,
 142     },
 143     'SCRIPTSBINDIR' : {
 144          'STD-PATH':  '${SBINDIR}',
 145          'FHS-PATH':  '${SBINDIR}',
 146     },
 147     'SETUPDIR' : {
 148          'STD-PATH':  '${DATADIR}/setup',
 149          'FHS-PATH':  '${DATADIR}/samba/setup',
 150     },
 151     'PKGCONFIGDIR' : {
 152          'STD-PATH':  '${LIBDIR}/pkgconfig',
 153          'FHS-PATH':  '${LIBDIR}/pkgconfig',
 154     },
 155     'CODEPAGEDIR' : {
 156          'STD-PATH':  '${DATADIR}/codepages',
 157          'FHS-PATH':  '${DATADIR}/samba/codepages',
 158     },
 159     'PRIVATELIBDIR' : {
 160          'STD-PATH':  '${LIBDIR}/private',
 161          'FHS-PATH':  '${LIBDIR}/samba',
 162          'OPTION':    '--with-privatelibdir',
 163          'HELPTEXT':  'Which directory to use for private Samba libraries',
 164          'OVERWRITE': True,
 165     },
 166     'MODULESDIR' : {
 167          'STD-PATH':  '${LIBDIR}',
 168          'FHS-PATH':  '${LIBDIR}/samba',
 169          'OPTION':    '--with-modulesdir',
 170          'HELPTEXT':  'Which directory to use for Samba modules',
 171          'OVERWRITE': True,
 172     },
 173     'PAMMODULESDIR' : {
 174          'STD-PATH':  '${LIBDIR}/security',
 175          'FHS-PATH':  '${LIBDIR}/security',
 176          'OPTION':    '--with-pammodulesdir',
 177          'HELPTEXT':  'Which directory to use for PAM modules',
 178     },
 179     'CONFIGDIR' : {
 180          'STD-PATH':  '${SYSCONFDIR}',
 181          'FHS-PATH':  '${SYSCONFDIR}/samba',
 182          'OPTION':    '--with-configdir',
 183          'HELPTEXT':  'Where to put configuration files',
 184     },
 185     'PRIVATE_DIR' : {
 186          'STD-PATH':  '${PREFIX}/private',
 187          'FHS-PATH':  '${LOCALSTATEDIR}/lib/samba/private',
 188          'OPTION':    '--with-privatedir',
 189          'HELPTEXT':  'Where to put sam.ldb and other private files',
 190     },
 191     'BINDDNS_DIR' : {
 192          'STD-PATH':  '${PREFIX}/bind-dns',
 193          'FHS-PATH':  '${LOCALSTATEDIR}/lib/samba/bind-dns',
 194          'OPTION':    '--with-bind-dns-dir',
 195          'HELPTEXT':  'bind-dns config directory',
 196     },
 197     'LOCKDIR' : {
 198          'STD-PATH':  '${LOCALSTATEDIR}/lock',
 199          'FHS-PATH':  '${LOCALSTATEDIR}/lock/samba',
 200          'OPTION':    '--with-lockdir',
 201          'HELPTEXT':  'Where to put short term disposable state files',
 202     },
 203     'PIDDIR' : {
 204          'STD-PATH':  '${LOCALSTATEDIR}/run',
 205          'FHS-PATH':  '${LOCALSTATEDIR}/run/samba',
 206          'OPTION':    '--with-piddir',
 207          'HELPTEXT':  'Where to put pid files',
 208     },
 209     'STATEDIR' : {
 210          'STD-PATH':  '${LOCALSTATEDIR}/locks',
 211          'FHS-PATH':  '${LOCALSTATEDIR}/lib/samba',
 212          'OPTION':    '--with-statedir',
 213          'HELPTEXT':  'Where to put persistent state files',
 214     },
 215     'CACHEDIR' : {
 216          'STD-PATH':  '${LOCALSTATEDIR}/cache',
 217          'FHS-PATH':  '${LOCALSTATEDIR}/cache/samba',
 218          'OPTION':    '--with-cachedir',
 219          'HELPTEXT':  'Where to put temporary cache files',
 220     },
 221     'LOGFILEBASE' : {
 222          'STD-PATH':  '${LOCALSTATEDIR}',
 223          'FHS-PATH':  '${LOCALSTATEDIR}/log/samba',
 224          'OPTION':    '--with-logfilebase',
 225          'HELPTEXT':  'Where to put log files',
 226     },
 227     'SOCKET_DIR' : {
 228          'STD-PATH':  '${LOCALSTATEDIR}/run',
 229          'FHS-PATH':  '${LOCALSTATEDIR}/run/samba',
 230          'OPTION':    '--with-sockets-dir',
 231          'HELPTEXT':  'socket directory',
 232     },
 233     'PRIVILEGED_SOCKET_DIR' : {
 234          'STD-PATH':  '${LOCALSTATEDIR}/lib',
 235          'FHS-PATH':  '${LOCALSTATEDIR}/lib/samba',
 236          'OPTION':    '--with-privileged-socket-dir',
 237          'HELPTEXT':  'privileged socket directory',
 238     },
 239     'WINBINDD_SOCKET_DIR' : {
 240          'STD-PATH':  '${SOCKET_DIR}/winbindd',
 241          'FHS-PATH':  '${SOCKET_DIR}/winbindd',
 242          'DELAY':     True,
 243     },
 244     'NMBDSOCKETDIR' : {
 245          'STD-PATH':  '${SOCKET_DIR}/nmbd',
 246          'FHS-PATH':  '${SOCKET_DIR}/nmbd',
 247          'DELAY':     True,
 248     },
 249     'NTP_SIGND_SOCKET_DIR' : {
 250          'STD-PATH':  '${PRIVILEGED_SOCKET_DIR}/ntp_signd',
 251          'FHS-PATH':  '${PRIVILEGED_SOCKET_DIR}/ntp_signd',
 252          'DELAY':     True,
 253     },
 254     'NCALRPCDIR' : {
 255          'STD-PATH':  '${SOCKET_DIR}/ncalrpc',
 256          'FHS-PATH':  '${SOCKET_DIR}/ncalrpc',
 257          'DELAY':     True,
 258     },
 259     'CONFIGFILE' : {
 260          'STD-PATH':  '${CONFIGDIR}/smb.conf',
 261          'FHS-PATH':  '${CONFIGDIR}/smb.conf',
 262          'DELAY':     True,
 263     },
 264     'LMHOSTSFILE' : {
 265          'STD-PATH':  '${CONFIGDIR}/lmhosts',
 266          'FHS-PATH':  '${CONFIGDIR}/lmhosts',
 267          'DELAY':     True,
 268     },
 269     'SMB_PASSWD_FILE' : {
 270          'STD-PATH':  '${PRIVATE_DIR}/smbpasswd',
 271          'FHS-PATH':  '${PRIVATE_DIR}/smbpasswd',
 272          'OPTION':    '--with-smbpasswd-file',
 273          'HELPTEXT':  'Where to put the smbpasswd file',
 274          'DELAY':     True,
 275     },
 276 }
 277
 278 def options(opt):
 279     opt.parser.formatter = SambaIndentedHelpFormatter()
 280     opt.parser.formatter.width=Logs.get_term_cols()
 281
 282     for k in ('--with-privatelibdir', '--with-modulesdir'):
 283         option = opt.parser.get_option(k)
 284         if option:
 285             opt.parser.remove_option(k)
 286     del opt.parser.defaults['PRIVATELIBDIR']
 287     del opt.parser.defaults['MODULESDIR']
 288
 289     # get all the basic GNU options from the gnu_dirs tool
 290
 291     opt_group=opt.add_option_group('Samba-specific directory layout','')
 292
 293     fhs_help  = "Use FHS-compliant paths (default no)\n"
 294     fhs_help += "You should consider using this together with:\n"
 295     fhs_help += "--prefix=/usr --sysconfdir=/etc --localstatedir=/var"
 296     opt_group.add_option('--enable-fhs', help=fhs_help,
 297                    action="store_true", dest='ENABLE_FHS', default=False)
 298
 299     for varname in dynconfig.keys():
 300         if 'OPTION' not in dynconfig[varname]:
 301             continue
 302         opt = dynconfig[varname]['OPTION']
 303         if 'HELPTEXT' in dynconfig[varname]:
 304             txt = dynconfig[varname]['HELPTEXT']
 305         else:
 306             txt = "dynconfig path %s" % (varname)
 307         def_std = dynconfig[varname]['STD-PATH']
 308         def_fhs = dynconfig[varname]['FHS-PATH']
 309
 310         help = "%s\n[STD-Default: %s]\n[FHS-Default: %s]" % (txt, def_std, def_fhs)
 311         opt_group.add_option(opt, help=help, dest=varname, action="store")
 312
 313 def configure(conf):
 314     # get all the basic GNU options from the gnu_dirs tool
 315
 316     if Options.options.ENABLE_FHS:
 317         flavor = 'FHS-PATH'
 318     else:
 319         flavor = 'STD-PATH'
 320         if conf.env.PREFIX == '/usr' or conf.env.PREFIX == '/usr/local':
 321            Logs.error("Don't install directly under /usr or /usr/local without using the FHS option (--enable-fhs)")
 322            raise Errors.WafError("ERROR: invalid --prefix=%s value" % (conf.env.PREFIX))
 323
 324     explicit_set ={}
 325
 326     dyn_vars = {}
 327     for varname in dynconfig.keys():
 328         dyn_vars[varname] = dynconfig[varname][flavor]
 329         if 'OVERWRITE' in dynconfig[varname] and dynconfig[varname]['OVERWRITE']:
 330             # we may overwrite this option
 331             continue
 332         conf.ASSERT(varname not in conf.env, "Variable %s already defined" % varname)
 333
 334     # the explicit block
 335     for varname in dynconfig.keys():
 336         if 'OPTION' not in dynconfig[varname]:
 337             continue
 338         value = getattr(Options.options, varname, None)
 339         if value is None:
 340            continue
 341         conf.ASSERT(value != '', "Empty dynconfig value for %s" % varname)
 342         conf.env[varname] = value
 343         # mark it as explicit from the command line
 344         explicit_set[varname] = value
 345
 346     # defaults stage 1 after the explicit block
 347     for varname in dynconfig.keys():
 348         if 'DELAY' in dynconfig[varname] and dynconfig[varname]['DELAY']:
 349             # this option refers to other options,
 350             # so it needs to wait for stage 2.
 351             continue
 352         value = EXPAND_VARIABLES(conf, dyn_vars[varname])
 353         conf.ASSERT(value != '', "Empty dynconfig value for %s" % varname)
 354         if varname not in explicit_set:
 355             # only overwrite if not specified explicitly on the command line
 356             conf.env[varname] = value
 357
 358     # defaults stage 2 after the explicit block
 359     for varname in dynconfig.keys():
 360         if 'DELAY' not in dynconfig[varname] or not dynconfig[varname]['DELAY']:
 361             # this option was already handled in stage 1.
 362             continue
 363         value = EXPAND_VARIABLES(conf, dyn_vars[varname])
 364         conf.ASSERT(value != '', "Empty dynconfig value for %s" % varname)
 365         if varname not in explicit_set:
 366             # only overwrite if not specified explicitly on the command line
 367             conf.env[varname] = value
 368
 369     # display the expanded paths for the user
 370     for varname in dynconfig.keys():
 371         value = conf.env[varname]
 372         conf.start_msg("Dynconfig[%s]: " % (varname))
 373         conf.end_msg("'%s'" % (value), 'GREEN')
 374
 375 def get_override(bld):
 376     override = { 'MODULESDIR'    : 'bin/modules',
 377                  'PYTHONDIR'     : 'bin/python',
 378                  'PYTHONARCHDIR' : 'bin/python',
 379                  'BINDIR'        : 'bin',
 380                  'SBINDIR'       : 'bin',
 381                  'LIBEXECDIR'    : 'bin',
 382                  'SAMBA_LIBEXECDIR' : 'bin',
 383                  'CODEPAGEDIR'   : 'codepages',
 384                  'SCRIPTSBINDIR' : 'source4/scripting/bin',
 385                  'SETUPDIR'      : 'source4/setup'
 386                  }
 387     return override
 388
 389 def dynconfig_cflags(bld, list=None):
 390     '''work out the extra CFLAGS for dynconfig.c'''
 391     cflags = []
 392     for varname in dynconfig.keys():
 393         if list and not varname in list:
 394             continue
 395         value = bld.env[varname]
 396         if not bld.is_install:
 397             override = get_override(bld)
 398             if varname in override:
 399                 value = os.path.join(bld.env.srcdir, override[varname])
 400         cflags.append('-D%s="%s"' % (varname, value))
 401     return cflags
 402 Build.BuildContext.dynconfig_cflags = dynconfig_cflags
 403
 404 def dynconfig_varnames(bld, list=None):
 405     '''work out the dynconfig variables'''
 406     varnames = []
 407     for varname in dynconfig.keys():
 408         if list and not varname in list:
 409             continue
 410         varnames.append(varname)
 411     return varnames
 412 Build.BuildContext.dynconfig_varnames = dynconfig_varnames
 413
 414 def pathconfig_entities(bld, list=None):
 415     '''work out the extra entities for the docs'''
 416     entities = []
 417     for varname in dynconfig.keys():
 418         if list and not varname in list:
 419             continue
 420         value = bld.env[varname]
 421         if not bld.is_install:
 422             override = get_override(bld)
 423             if varname in override:
 424                 value = os.path.join(bld.env.srcdir, override[varname])
 425         entities.append("<!ENTITY pathconfig.%s   '%s'>" % (varname, value))
 426     return entities
 427 Build.BuildContext.pathconfig_entities = pathconfig_entities
 428
 429 def build(bld):
 430     cflags = bld.dynconfig_cflags()
 431     version_header = 'version.h'
 432     bld.SAMBA_SUBSYSTEM('DYNCONFIG',
 433                         'dynconfig.c',
 434                         deps='replace',
 435                         public_headers=os.path.relpath(os.path.join(Context.launch_dir, version_header), bld.path.abspath()),
 436                         header_path='samba',
 437                         cflags=cflags)
 438
 439     # install some extra empty directories
 440     bld.INSTALL_DIR("${CONFIGDIR}")
 441     bld.INSTALL_DIR("${LOGFILEBASE}")
 442     bld.INSTALL_DIR("${PRIVILEGED_SOCKET_DIR}")
 443     bld.INSTALL_DIR("${PRIVATE_DIR}", 0o700)
 444     bld.INSTALL_DIR("${BINDDNS_DIR}", 0o770)
 445     bld.INSTALL_DIR("${STATEDIR}")
 446     bld.INSTALL_DIR("${CACHEDIR}")
 447
 448     # these might be on non persistent storage
 449     bld.INSTALL_DIRS("", "${LOCKDIR} ${PIDDIR} ${SOCKET_DIR}")