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