dynconfig/wscript

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