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 initalization 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     'DATADIR' : {
  99          'STD-PATH':  '${DATADIR}',
 100          'FHS-PATH':  '${DATADIR}',
 101          'OVERWRITE': True,
 102     },
 103     'SAMBA_DATADIR' : {
 104          'STD-PATH':  '${DATADIR}/samba',
 105          'FHS-PATH':  '${DATADIR}/samba',
 106          'OVERWRITE': True,
 107     },
 108     'LOCALEDIR' : {
 109          'STD-PATH':  '${LOCALEDIR}',
 110          'FHS-PATH':  '${LOCALEDIR}',
 111          'OVERWRITE': True,
 112     },
 113     'PYTHONDIR' : {
 114          'STD-PATH':  '${PYTHONDIR}',
 115          'FHS-PATH':  '${PYTHONDIR}',
 116          'OVERWRITE': True,
 117     },
 118     'PYTHONARCHDIR' : {
 119          'STD-PATH':  '${PYTHONARCHDIR}',
 120          'FHS-PATH':  '${PYTHONARCHDIR}',
 121          'OVERWRITE': True,
 122     },
 123     'PERL_LIB_INSTALL_DIR' : {
 124          'STD-PATH':  '${PERL_LIB_INSTALL_DIR}',
 125          'FHS-PATH':  '${PERL_LIB_INSTALL_DIR}',
 126          'OVERWRITE': True,
 127     },
 128     'PERL_ARCH_INSTALL_DIR' : {
 129          'STD-PATH':  '${PERL_ARCH_INSTALL_DIR}',
 130          'FHS-PATH':  '${PERL_ARCH_INSTALL_DIR}',
 131          'OVERWRITE': True,
 132     },
 133     'INCLUDEDIR' : {
 134          'STD-PATH':  '${INCLUDEDIR}',
 135          'FHS-PATH':  '${INCLUDEDIR}/samba-4.0',
 136          'OVERWRITE': True,
 137     },
 138     'SCRIPTSBINDIR' : {
 139          'STD-PATH':  '${SBINDIR}',
 140          'FHS-PATH':  '${SBINDIR}',
 141     },
 142     'SETUPDIR' : {
 143          'STD-PATH':  '${DATADIR}/setup',
 144          'FHS-PATH':  '${DATADIR}/samba/setup',
 145     },
 146     'PKGCONFIGDIR' : {
 147          'STD-PATH':  '${LIBDIR}/pkgconfig',
 148          'FHS-PATH':  '${LIBDIR}/pkgconfig',
 149     },
 150     'CODEPAGEDIR' : {
 151          'STD-PATH':  '${DATADIR}/codepages',
 152          'FHS-PATH':  '${DATADIR}/samba/codepages',
 153     },
 154     'PRIVATELIBDIR' : {
 155          'STD-PATH':  '${LIBDIR}/private',
 156          'FHS-PATH':  '${LIBDIR}/samba',
 157          'OPTION':    '--with-privatelibdir',
 158          'HELPTEXT':  'Which directory to use for private Samba libraries',
 159          'OVERWRITE': True,
 160     },
 161     'MODULESDIR' : {
 162          'STD-PATH':  '${LIBDIR}',
 163          'FHS-PATH':  '${LIBDIR}/samba',
 164          'OPTION':    '--with-modulesdir',
 165          'HELPTEXT':  'Which directory to use for Samba modules',
 166          'OVERWRITE': True,
 167     },
 168     'PAMMODULESDIR' : {
 169          'STD-PATH':  '${LIBDIR}/security',
 170          'FHS-PATH':  '${LIBDIR}/security',
 171          'OPTION':    '--with-pammodulesdir',
 172          'HELPTEXT':  'Which directory to use for PAM modules',
 173     },
 174     'CONFIGDIR' : {
 175          'STD-PATH':  '${SYSCONFDIR}',
 176          'FHS-PATH':  '${SYSCONFDIR}/samba',
 177          'OPTION':    '--with-configdir',
 178          'HELPTEXT':  'Where to put configuration files',
 179     },
 180     'PRIVATE_DIR' : {
 181          'STD-PATH':  '${PREFIX}/private',
 182          'FHS-PATH':  '${LOCALSTATEDIR}/lib/samba/private',
 183          'OPTION':    '--with-privatedir',
 184          'HELPTEXT':  'Where to put sam.ldb and other private files',
 185     },
 186     'BINDDNS_DIR' : {
 187          'STD-PATH':  '${PREFIX}/bind-dns',
 188          'FHS-PATH':  '${LOCALSTATEDIR}/lib/samba/bind-dns',
 189          'OPTION':    '--with-bind-dns-dir',
 190          'HELPTEXT':  'bind-dns config directory',
 191     },
 192     'LOCKDIR' : {
 193          'STD-PATH':  '${LOCALSTATEDIR}/lock',
 194          'FHS-PATH':  '${LOCALSTATEDIR}/lock/samba',
 195          'OPTION':    '--with-lockdir',
 196          'HELPTEXT':  'Where to put short term disposable state files',
 197     },
 198     'PIDDIR' : {
 199          'STD-PATH':  '${LOCALSTATEDIR}/run',
 200          'FHS-PATH':  '${LOCALSTATEDIR}/run/samba',
 201          'OPTION':    '--with-piddir',
 202          'HELPTEXT':  'Where to put pid files',
 203     },
 204     'STATEDIR' : {
 205          'STD-PATH':  '${LOCALSTATEDIR}/locks',
 206          'FHS-PATH':  '${LOCALSTATEDIR}/lib/samba',
 207          'OPTION':    '--with-statedir',
 208          'HELPTEXT':  'Where to put persistent state files',
 209     },
 210     'CACHEDIR' : {
 211          'STD-PATH':  '${LOCALSTATEDIR}/cache',
 212          'FHS-PATH':  '${LOCALSTATEDIR}/cache/samba',
 213          'OPTION':    '--with-cachedir',
 214          'HELPTEXT':  'Where to put temporary cache files',
 215     },
 216     'LOGFILEBASE' : {
 217          'STD-PATH':  '${LOCALSTATEDIR}',
 218          'FHS-PATH':  '${LOCALSTATEDIR}/log/samba',
 219          'OPTION':    '--with-logfilebase',
 220          'HELPTEXT':  'Where to put log files',
 221     },
 222     'SOCKET_DIR' : {
 223          'STD-PATH':  '${LOCALSTATEDIR}/run',
 224          'FHS-PATH':  '${LOCALSTATEDIR}/run/samba',
 225          'OPTION':    '--with-sockets-dir',
 226          'HELPTEXT':  'socket directory',
 227     },
 228     'PRIVILEGED_SOCKET_DIR' : {
 229          'STD-PATH':  '${LOCALSTATEDIR}/lib',
 230          'FHS-PATH':  '${LOCALSTATEDIR}/lib/samba',
 231          'OPTION':    '--with-privileged-socket-dir',
 232          'HELPTEXT':  'privileged socket directory',
 233     },
 234     'WINBINDD_SOCKET_DIR' : {
 235          'STD-PATH':  '${SOCKET_DIR}/winbindd',
 236          'FHS-PATH':  '${SOCKET_DIR}/winbindd',
 237          'DELAY':     True,
 238     },
 239     'NMBDSOCKETDIR' : {
 240          'STD-PATH':  '${SOCKET_DIR}/nmbd',
 241          'FHS-PATH':  '${SOCKET_DIR}/nmbd',
 242          'DELAY':     True,
 243     },
 244     'NTP_SIGND_SOCKET_DIR' : {
 245          'STD-PATH':  '${PRIVILEGED_SOCKET_DIR}/ntp_signd',
 246          'FHS-PATH':  '${PRIVILEGED_SOCKET_DIR}/ntp_signd',
 247          'DELAY':     True,
 248     },
 249     'NCALRPCDIR' : {
 250          'STD-PATH':  '${SOCKET_DIR}/ncalrpc',
 251          'FHS-PATH':  '${SOCKET_DIR}/ncalrpc',
 252          'DELAY':     True,
 253     },
 254     'CONFIGFILE' : {
 255          'STD-PATH':  '${CONFIGDIR}/smb.conf',
 256          'FHS-PATH':  '${CONFIGDIR}/smb.conf',
 257          'DELAY':     True,
 258     },
 259     'LMHOSTSFILE' : {
 260          'STD-PATH':  '${CONFIGDIR}/lmhosts',
 261          'FHS-PATH':  '${CONFIGDIR}/lmhosts',
 262          'DELAY':     True,
 263     },
 264     'SMB_PASSWD_FILE' : {
 265          'STD-PATH':  '${PRIVATE_DIR}/smbpasswd',
 266          'FHS-PATH':  '${PRIVATE_DIR}/smbpasswd',
 267          'OPTION':    '--with-smbpasswd-file',
 268          'HELPTEXT':  'Where to put the smbpasswd file',
 269          'DELAY':     True,
 270     },
 271 }
 272
 273 def options(opt):
 274     opt.parser.formatter = SambaIndentedHelpFormatter()
 275     opt.parser.formatter.width=Logs.get_term_cols()
 276
 277     for k in ('--with-privatelibdir', '--with-modulesdir'):
 278         option = opt.parser.get_option(k)
 279         if option:
 280             opt.parser.remove_option(k)
 281     del opt.parser.defaults['PRIVATELIBDIR']
 282     del opt.parser.defaults['MODULESDIR']
 283
 284     # get all the basic GNU options from the gnu_dirs tool
 285
 286     opt_group=opt.add_option_group('Samba-specific directory layout','')
 287
 288     fhs_help  = "Use FHS-compliant paths (default no)\n"
 289     fhs_help += "You should consider using this together with:\n"
 290     fhs_help += "--prefix=/usr --sysconfdir=/etc --localstatedir=/var"
 291     opt_group.add_option('--enable-fhs', help=fhs_help,
 292                    action="store_true", dest='ENABLE_FHS', default=False)
 293
 294     for varname in dynconfig.keys():
 295         if 'OPTION' not in dynconfig[varname]:
 296             continue
 297         opt = dynconfig[varname]['OPTION']
 298         if 'HELPTEXT' in dynconfig[varname]:
 299             txt = dynconfig[varname]['HELPTEXT']
 300         else:
 301             txt = "dynconfig path %s" % (varname)
 302         def_std = dynconfig[varname]['STD-PATH']
 303         def_fhs = dynconfig[varname]['FHS-PATH']
 304
 305         help = "%s\n[STD-Default: %s]\n[FHS-Default: %s]" % (txt, def_std, def_fhs)
 306         opt_group.add_option(opt, help=help, dest=varname, action="store")
 307
 308 def configure(conf):
 309     # get all the basic GNU options from the gnu_dirs tool
 310
 311     if Options.options.ENABLE_FHS:
 312         flavor = 'FHS-PATH'
 313     else:
 314         flavor = 'STD-PATH'
 315         if conf.env.PREFIX == '/usr' or conf.env.PREFIX == '/usr/local':
 316            Logs.error("Don't install directly under /usr or /usr/local without using the FHS option (--enable-fhs)")
 317            raise Errors.WafError("ERROR: invalid --prefix=%s value" % (conf.env.PREFIX))
 318
 319     explicit_set ={}
 320
 321     dyn_vars = {}
 322     for varname in dynconfig.keys():
 323         dyn_vars[varname] = dynconfig[varname][flavor]
 324         if 'OVERWRITE' in dynconfig[varname] and dynconfig[varname]['OVERWRITE']:
 325             # we may overwrite this option
 326             continue
 327         conf.ASSERT(varname not in conf.env, "Variable %s already defined" % varname)
 328
 329     # the explicit block
 330     for varname in dynconfig.keys():
 331         if 'OPTION' not in dynconfig[varname]:
 332             continue
 333         value = getattr(Options.options, varname, None)
 334         if value is None:
 335            continue
 336         conf.ASSERT(value != '', "Empty dynconfig value for %s" % varname)
 337         conf.env[varname] = value
 338         # mark it as explicit from the command line
 339         explicit_set[varname] = value
 340
 341     # defaults stage 1 after the explicit block
 342     for varname in dynconfig.keys():
 343         if 'DELAY' in dynconfig[varname] and dynconfig[varname]['DELAY']:
 344             # this option refers to other options,
 345             # so it needs to wait for stage 2.
 346             continue
 347         value = EXPAND_VARIABLES(conf, dyn_vars[varname])
 348         conf.ASSERT(value != '', "Empty dynconfig value for %s" % varname)
 349         if varname not in explicit_set:
 350             # only overwrite if not specified explicitly on the command line
 351             conf.env[varname] = value
 352
 353     # defaults stage 2 after the explicit block
 354     for varname in dynconfig.keys():
 355         if 'DELAY' not in dynconfig[varname] or not dynconfig[varname]['DELAY']:
 356             # this option was already handled in stage 1.
 357             continue
 358         value = EXPAND_VARIABLES(conf, dyn_vars[varname])
 359         conf.ASSERT(value != '', "Empty dynconfig value for %s" % varname)
 360         if varname not in explicit_set:
 361             # only overwrite if not specified explicitly on the command line
 362             conf.env[varname] = value
 363
 364     # display the expanded paths for the user
 365     for varname in dynconfig.keys():
 366         value = conf.env[varname]
 367         conf.start_msg("Dynconfig[%s]: " % (varname))
 368         conf.end_msg("'%s'" % (value), 'GREEN')
 369
 370 def get_override(bld):
 371     override = { 'MODULESDIR'    : 'bin/modules',
 372                  'PYTHONDIR'     : 'bin/python',
 373                  'PYTHONARCHDIR' : 'bin/python',
 374                  'BINDIR'        : 'bin',
 375                  'SBINDIR'       : 'bin',
 376                  'CODEPAGEDIR'   : 'codepages',
 377                  'SCRIPTSBINDIR' : 'source4/scripting/bin',
 378                  'SETUPDIR'      : 'source4/setup'
 379                  }
 380     return override
 381
 382 def dynconfig_cflags(bld, list=None):
 383     '''work out the extra CFLAGS for dynconfig.c'''
 384     cflags = []
 385     for varname in dynconfig.keys():
 386         if list and not varname in list:
 387             continue
 388         value = bld.env[varname]
 389         if not bld.is_install:
 390             override = get_override(bld)
 391             if varname in override:
 392                 value = os.path.join(bld.env.srcdir, override[varname])
 393         cflags.append('-D%s="%s"' % (varname, value))
 394     return cflags
 395 Build.BuildContext.dynconfig_cflags = dynconfig_cflags
 396
 397 def dynconfig_varnames(bld, list=None):
 398     '''work out the dynconfig variables'''
 399     varnames = []
 400     for varname in dynconfig.keys():
 401         if list and not varname in list:
 402             continue
 403         varnames.append(varname)
 404     return varnames
 405 Build.BuildContext.dynconfig_varnames = dynconfig_varnames
 406
 407 def pathconfig_entities(bld, list=None):
 408     '''work out the extra entities for the docs'''
 409     entities = []
 410     for varname in dynconfig.keys():
 411         if list and not varname in list:
 412             continue
 413         value = bld.env[varname]
 414         if not bld.is_install:
 415             override = get_override(bld)
 416             if varname in override:
 417                 value = os.path.join(bld.env.srcdir, override[varname])
 418         entities.append("<!ENTITY pathconfig.%s   '%s'>" % (varname, value))
 419     return entities
 420 Build.BuildContext.pathconfig_entities = pathconfig_entities
 421
 422 def build(bld):
 423     cflags = bld.dynconfig_cflags()
 424     version_header = 'version.h'
 425     bld.SAMBA_SUBSYSTEM('DYNCONFIG',
 426                         'dynconfig.c',
 427                         deps='replace',
 428                         public_headers=os.path.relpath(os.path.join(Context.launch_dir, version_header), bld.path.abspath()),
 429                         header_path='samba',
 430                         cflags=cflags)
 431
 432     # install some extra empty directories
 433     bld.INSTALL_DIR("${CONFIGDIR}")
 434     bld.INSTALL_DIR("${LOGFILEBASE}")
 435     bld.INSTALL_DIR("${PRIVILEGED_SOCKET_DIR}")
 436     bld.INSTALL_DIR("${PRIVATE_DIR}", 0o700)
 437     bld.INSTALL_DIR("${BINDDNS_DIR}", 0o770)
 438     bld.INSTALL_DIR("${STATEDIR}")
 439     bld.INSTALL_DIR("${CACHEDIR}")
 440
 441     # these might be on non persistent storage
 442     bld.INSTALL_DIRS("", "${LOCKDIR} ${PIDDIR} ${SOCKET_DIR}")