buildtools/wafsamba/wafsamba.py

   1 # a waf tool to add autoconf-like macros to the configure section
   2 # and for SAMBA_ macros for building libraries, binaries etc
   3
   4 import Build, os, Options, Task, Utils, cc, TaskGen, fnmatch, re, shutil, Logs
   5 from Configure import conf
   6 from Logs import debug
   7 from samba_utils import SUBST_VARS_RECURSIVE
   8
   9 # bring in the other samba modules
  10 from samba_optimisation import *
  11 from samba_utils import *
  12 from samba_autoconf import *
  13 from samba_patterns import *
  14 from samba_pidl import *
  15 from samba_errtable import *
  16 from samba_asn1 import *
  17 from samba_autoproto import *
  18 from samba_python import *
  19 from samba_deps import *
  20 from samba_bundled import *
  21 import samba_install
  22 import samba_conftests
  23
  24 # some systems have broken threading in python
  25 if os.environ.get('WAF_NOTHREADS') == '1':
  26     import nothreads
  27
  28 LIB_PATH="shared"
  29
  30 os.putenv('PYTHONUNBUFFERED', '1')
  31
  32 @conf
  33 def SAMBA_BUILD_ENV(conf):
  34     '''create the samba build environment'''
  35     conf.env['BUILD_DIRECTORY'] = conf.blddir
  36     mkdir_p(os.path.join(conf.blddir, LIB_PATH))
  37     mkdir_p(os.path.join(conf.blddir, 'python/samba/dcerpc'))
  38     # this allows all of the bin/shared and bin/python targets
  39     # to be expressed in terms of build directory paths
  40     for p in ['python','shared']:
  41         link_target = os.path.join(conf.blddir, 'default/' + p)
  42         if not os.path.lexists(link_target):
  43             os.symlink('../' + p, link_target)
  44
  45     # get perl to put the blib files in the build directory
  46     blib_bld = os.path.join(conf.blddir, 'default/pidl/blib')
  47     blib_src = os.path.join(conf.srcdir, 'pidl/blib')
  48     mkdir_p(blib_bld + '/man1')
  49     mkdir_p(blib_bld + '/man3')
  50     if os.path.islink(blib_src):
  51         os.unlink(blib_src)
  52     elif os.path.exists(blib_src):
  53         shutil.rmtree(blib_src)
  54
  55
  56 def ADD_INIT_FUNCTION(bld, subsystem, target, init_function):
  57     '''add an init_function to the list for a subsystem'''
  58     if init_function is None:
  59         return
  60     bld.ASSERT(subsystem is not None, "You must specify a subsystem for init_function '%s'" % init_function)
  61     cache = LOCAL_CACHE(bld, 'INIT_FUNCTIONS')
  62     if not subsystem in cache:
  63         cache[subsystem] = []
  64     cache[subsystem].append( { 'TARGET':target, 'INIT_FUNCTION':init_function } )
  65 Build.BuildContext.ADD_INIT_FUNCTION = ADD_INIT_FUNCTION
  66
  67
  68
  69 #################################################################
  70 def SAMBA_LIBRARY(bld, libname, source,
  71                   deps='',
  72                   public_deps='',
  73                   includes='',
  74                   public_headers=None,
  75                   header_path=None,
  76                   pc_files=None,
  77                   vnum=None,
  78                   cflags='',
  79                   external_library=False,
  80                   realname=None,
  81                   autoproto=None,
  82                   group='main',
  83                   depends_on='',
  84                   local_include=True,
  85                   vars=None,
  86                   install_path=None,
  87                   install=True,
  88                   needs_python=False,
  89                   target_type='LIBRARY',
  90                   bundled_extension=True,
  91                   link_name=None,
  92                   enabled=True):
  93     '''define a Samba library'''
  94
  95     if not enabled:
  96         SET_TARGET_TYPE(bld, libname, 'DISABLED')
  97         return
  98
  99     source = bld.EXPAND_VARIABLES(source, vars=vars)
 100
 101     # remember empty libraries, so we can strip the dependencies
 102     if (source == '') or (source == []):
 103         SET_TARGET_TYPE(bld, libname, 'EMPTY')
 104         return
 105
 106     if target_type != 'PYTHON' and BUILTIN_LIBRARY(bld, libname):
 107         obj_target = libname
 108     else:
 109         obj_target = libname + '.objlist'
 110
 111     # first create a target for building the object files for this library
 112     # by separating in this way, we avoid recompiling the C files
 113     # separately for the install library and the build library
 114     bld.SAMBA_SUBSYSTEM(obj_target,
 115                         source         = source,
 116                         deps           = deps,
 117                         public_deps    = public_deps,
 118                         includes       = includes,
 119                         public_headers = public_headers,
 120                         header_path    = header_path,
 121                         cflags         = cflags,
 122                         group          = group,
 123                         autoproto      = autoproto,
 124                         depends_on     = depends_on,
 125                         needs_python   = needs_python,
 126                         local_include  = local_include)
 127
 128     if libname == obj_target:
 129         return
 130
 131     if not SET_TARGET_TYPE(bld, libname, target_type):
 132         return
 133
 134     # the library itself will depend on that object target
 135     deps += ' ' + public_deps
 136     deps = TO_LIST(deps)
 137     deps.append(obj_target)
 138
 139     if target_type == 'PYTHON':
 140         bundled_name = libname
 141     else:
 142         bundled_name = BUNDLED_NAME(bld, libname, bundled_extension)
 143
 144     features = 'cc cshlib symlink_lib install_lib'
 145     if target_type == 'PYTHON':
 146         features += ' pyext'
 147     elif needs_python:
 148         features += ' pyembed'
 149
 150     bld.SET_BUILD_GROUP(group)
 151     t = bld(
 152         features        = features,
 153         source          = [],
 154         target          = bundled_name,
 155         samba_cflags    = CURRENT_CFLAGS(bld, libname, cflags),
 156         depends_on      = depends_on,
 157         samba_deps      = deps,
 158         samba_includes  = includes,
 159         local_include   = local_include,
 160         vnum            = vnum,
 161         install_path    = None,
 162         samba_inst_path = install_path,
 163         name            = libname,
 164         samba_realname  = realname,
 165         samba_install   = install
 166         )
 167
 168     if link_name:
 169         t.link_name = link_name
 170
 171     if autoproto is not None:
 172         bld.SAMBA_AUTOPROTO(autoproto, source)
 173
 174     if public_headers is not None:
 175         bld.PUBLIC_HEADERS(public_headers, header_path=header_path)
 176
 177     if pc_files is not None:
 178         bld.PKG_CONFIG_FILES(pc_files, vnum=vnum)
 179
 180 Build.BuildContext.SAMBA_LIBRARY = SAMBA_LIBRARY
 181
 182
 183 #################################################################
 184 def SAMBA_BINARY(bld, binname, source,
 185                  deps='',
 186                  includes='',
 187                  public_headers=None,
 188                  header_path=None,
 189                  modules=None,
 190                  installdir=None,
 191                  ldflags=None,
 192                  cflags='',
 193                  autoproto=None,
 194                  use_hostcc=None,
 195                  compiler=None,
 196                  group='binaries',
 197                  manpages=None,
 198                  local_include=True,
 199                  subsystem_name=None,
 200                  needs_python=False,
 201                  vars=None,
 202                  install=True,
 203                  install_path=None):
 204     '''define a Samba binary'''
 205
 206     if not SET_TARGET_TYPE(bld, binname, 'BINARY'):
 207         return
 208
 209     features = 'cc cprogram symlink_bin install_bin'
 210     if needs_python:
 211         features += ' pyembed'
 212
 213     obj_target = binname + '.objlist'
 214
 215     source = bld.EXPAND_VARIABLES(source, vars=vars)
 216
 217     # first create a target for building the object files for this binary
 218     # by separating in this way, we avoid recompiling the C files
 219     # separately for the install binary and the build binary
 220     bld.SAMBA_SUBSYSTEM(obj_target,
 221                         source         = source,
 222                         deps           = deps,
 223                         includes       = includes,
 224                         cflags         = cflags,
 225                         group          = group,
 226                         autoproto      = autoproto,
 227                         subsystem_name = subsystem_name,
 228                         needs_python   = needs_python,
 229                         local_include  = local_include)
 230
 231     bld.SET_BUILD_GROUP(group)
 232
 233     # the binary itself will depend on that object target
 234     deps = TO_LIST(deps)
 235     deps.append(obj_target)
 236
 237     t = bld(
 238         features       = features,
 239         source         = [],
 240         target         = binname,
 241         samba_cflags   = CURRENT_CFLAGS(bld, binname, cflags),
 242         samba_deps     = deps,
 243         samba_includes = includes,
 244         local_include  = local_include,
 245         samba_modules  = modules,
 246         top            = True,
 247         samba_subsystem= subsystem_name,
 248         install_path   = None,
 249         samba_inst_path= install_path,
 250         samba_install  = install
 251         )
 252
 253     # setup the subsystem_name as an alias for the real
 254     # binary name, so it can be found when expanding
 255     # subsystem dependencies
 256     if subsystem_name is not None:
 257         bld.TARGET_ALIAS(subsystem_name, binname)
 258
 259     if autoproto is not None:
 260         bld.SAMBA_AUTOPROTO(autoproto, source)
 261     if public_headers is not None:
 262         bld.PUBLIC_HEADERS(public_headers, header_path=header_path)
 263 Build.BuildContext.SAMBA_BINARY = SAMBA_BINARY
 264
 265
 266 #################################################################
 267 def SAMBA_MODULE(bld, modname, source,
 268                  deps='',
 269                  includes='',
 270                  subsystem=None,
 271                  init_function=None,
 272                  autoproto=None,
 273                  autoproto_extra_source='',
 274                  aliases=None,
 275                  cflags='',
 276                  internal_module=True,
 277                  local_include=True,
 278                  vars=None,
 279                  enabled=True):
 280     '''define a Samba module.'''
 281
 282     # we add the init function regardless of whether the module
 283     # is enabled or not, as we need to generate a null list if
 284     # all disabled
 285     bld.ADD_INIT_FUNCTION(subsystem, modname, init_function)
 286
 287     if internal_module or BUILTIN_LIBRARY(bld, modname):
 288         # treat internal modules as subsystems for now
 289         SAMBA_SUBSYSTEM(bld, modname, source,
 290                         deps=deps,
 291                         includes=includes,
 292                         autoproto=autoproto,
 293                         autoproto_extra_source=autoproto_extra_source,
 294                         cflags=cflags,
 295                         local_include=local_include,
 296                         enabled=enabled)
 297         return
 298
 299     if not enabled:
 300         SET_TARGET_TYPE(bld, modname, 'DISABLED')
 301         return
 302
 303     source = bld.EXPAND_VARIABLES(source, vars=vars)
 304
 305     # remember empty modules, so we can strip the dependencies
 306     if (source == '') or (source == []):
 307         SET_TARGET_TYPE(bld, modname, 'EMPTY')
 308         return
 309
 310     if not SET_TARGET_TYPE(bld, modname, 'MODULE'):
 311         return
 312
 313     if subsystem is not None:
 314         deps += ' ' + subsystem
 315
 316     bld.SET_BUILD_GROUP('main')
 317     bld(
 318         features       = 'cc',
 319         source         = source,
 320         target         = modname,
 321         samba_cflags   = CURRENT_CFLAGS(bld, modname, cflags),
 322         samba_includes = includes,
 323         local_include  = local_include,
 324         samba_deps     = TO_LIST(deps)
 325         )
 326
 327     if autoproto is not None:
 328         bld.SAMBA_AUTOPROTO(autoproto, source + ' ' + autoproto_extra_source)
 329
 330 Build.BuildContext.SAMBA_MODULE = SAMBA_MODULE
 331
 332
 333 #################################################################
 334 def SAMBA_SUBSYSTEM(bld, modname, source,
 335                     deps='',
 336                     public_deps='',
 337                     includes='',
 338                     public_headers=None,
 339                     header_path=None,
 340                     cflags='',
 341                     cflags_end=None,
 342                     group='main',
 343                     init_function_sentinal=None,
 344                     heimdal_autoproto=None,
 345                     heimdal_autoproto_options=None,
 346                     heimdal_autoproto_private=None,
 347                     autoproto=None,
 348                     autoproto_extra_source='',
 349                     depends_on='',
 350                     local_include=True,
 351                     local_include_first=True,
 352                     subsystem_name=None,
 353                     enabled=True,
 354                     vars=None,
 355                     needs_python=False):
 356     '''define a Samba subsystem'''
 357
 358     if not enabled:
 359         SET_TARGET_TYPE(bld, modname, 'DISABLED')
 360         return
 361
 362     # remember empty subsystems, so we can strip the dependencies
 363     if (source == '') or (source == []):
 364         SET_TARGET_TYPE(bld, modname, 'EMPTY')
 365         return
 366
 367     if not SET_TARGET_TYPE(bld, modname, 'SUBSYSTEM'):
 368         return
 369
 370     source = bld.EXPAND_VARIABLES(source, vars=vars)
 371
 372     deps += ' ' + public_deps
 373
 374     bld.SET_BUILD_GROUP(group)
 375
 376     features = 'cc'
 377     if needs_python:
 378         features += ' pyext'
 379
 380     t = bld(
 381         features       = features,
 382         source         = source,
 383         target         = modname,
 384         samba_cflags   = CURRENT_CFLAGS(bld, modname, cflags),
 385         depends_on     = depends_on,
 386         samba_deps     = TO_LIST(deps),
 387         samba_includes = includes,
 388         local_include  = local_include,
 389         local_include_first  = local_include_first,
 390         samba_subsystem= subsystem_name
 391         )
 392
 393     if cflags_end is not None:
 394         t.samba_cflags.extend(TO_LIST(cflags_end))
 395
 396     if heimdal_autoproto is not None:
 397         bld.HEIMDAL_AUTOPROTO(heimdal_autoproto, source, options=heimdal_autoproto_options)
 398     if heimdal_autoproto_private is not None:
 399         bld.HEIMDAL_AUTOPROTO_PRIVATE(heimdal_autoproto_private, source)
 400     if autoproto is not None:
 401         bld.SAMBA_AUTOPROTO(autoproto, source + ' ' + autoproto_extra_source)
 402     if public_headers is not None:
 403         bld.PUBLIC_HEADERS(public_headers, header_path=header_path)
 404     return t
 405
 406
 407 Build.BuildContext.SAMBA_SUBSYSTEM = SAMBA_SUBSYSTEM
 408
 409
 410 def SAMBA_GENERATOR(bld, name, rule, source, target,
 411                     group='generators', enabled=True,
 412                     public_headers=None,
 413                     header_path=None,
 414                     vars=None):
 415     '''A generic source generator target'''
 416
 417     if not SET_TARGET_TYPE(bld, name, 'GENERATOR'):
 418         return
 419
 420     if not enabled:
 421         return
 422
 423     bld.SET_BUILD_GROUP(group)
 424     t = bld(
 425         rule=rule,
 426         source=bld.EXPAND_VARIABLES(source, vars=vars),
 427         target=target,
 428         shell=isinstance(rule, str),
 429         on_results=True,
 430         before='cc',
 431         ext_out='.c',
 432         name=name)
 433
 434     if public_headers is not None:
 435         bld.PUBLIC_HEADERS(public_headers, header_path=header_path)
 436     return t
 437 Build.BuildContext.SAMBA_GENERATOR = SAMBA_GENERATOR
 438
 439
 440
 441 def BUILD_SUBDIR(bld, dir):
 442     '''add a new set of build rules from a subdirectory'''
 443     path = os.path.normpath(bld.curdir + '/' + dir)
 444     cache = LOCAL_CACHE(bld, 'SUBDIR_LIST')
 445     if path in cache: return
 446     cache[path] = True
 447     debug("build: Processing subdirectory %s" % dir)
 448     bld.add_subdirs(dir)
 449 Build.BuildContext.BUILD_SUBDIR = BUILD_SUBDIR
 450
 451
 452
 453 @runonce
 454 def SETUP_BUILD_GROUPS(bld):
 455     '''setup build groups used to ensure that the different build
 456     phases happen consecutively'''
 457     bld.p_ln = bld.srcnode # we do want to see all targets!
 458     bld.env['USING_BUILD_GROUPS'] = True
 459     bld.add_group('setup')
 460     bld.add_group('build_compiler_source')
 461     bld.add_group('base_libraries')
 462     bld.add_group('generators')
 463     bld.add_group('compiler_prototypes')
 464     bld.add_group('compiler_libraries')
 465     bld.add_group('build_compilers')
 466     bld.add_group('build_source')
 467     bld.add_group('prototypes')
 468     bld.add_group('main')
 469     bld.add_group('binaries')
 470     bld.add_group('final')
 471 Build.BuildContext.SETUP_BUILD_GROUPS = SETUP_BUILD_GROUPS
 472
 473
 474 def SET_BUILD_GROUP(bld, group):
 475     '''set the current build group'''
 476     if not 'USING_BUILD_GROUPS' in bld.env:
 477         return
 478     bld.set_group(group)
 479 Build.BuildContext.SET_BUILD_GROUP = SET_BUILD_GROUP
 480
 481
 482
 483 @conf
 484 def ENABLE_TIMESTAMP_DEPENDENCIES(conf):
 485     """use timestamps instead of file contents for deps
 486     this currently doesn't work"""
 487     def h_file(filename):
 488         import stat
 489         st = os.stat(filename)
 490         if stat.S_ISDIR(st[stat.ST_MODE]): raise IOError('not a file')
 491         m = Utils.md5()
 492         m.update(str(st.st_mtime))
 493         m.update(str(st.st_size))
 494         m.update(filename)
 495         return m.digest()
 496     Utils.h_file = h_file
 497
 498
 499
 500 t = Task.simple_task_type('copy_script', 'rm -f ${LINK_TARGET} && ln -s ${SRC[0].abspath(env)} ${LINK_TARGET}',
 501                           shell=True, color='PINK', ext_in='.bin')
 502 t.quiet = True
 503
 504 @feature('copy_script')
 505 @before('apply_link')
 506 def copy_script(self):
 507     tsk = self.create_task('copy_script', self.allnodes[0])
 508     tsk.env.TARGET = self.target
 509
 510 def SAMBA_SCRIPT(bld, name, pattern, installdir, installname=None):
 511     '''used to copy scripts from the source tree into the build directory
 512        for use by selftest'''
 513
 514     source = bld.path.ant_glob(pattern)
 515
 516     bld.SET_BUILD_GROUP('build_source')
 517     for s in TO_LIST(source):
 518         iname = s
 519         if installname != None:
 520             iname = installname
 521         target = os.path.join(installdir, iname)
 522         tgtdir = os.path.dirname(os.path.join(bld.srcnode.abspath(bld.env), '..', target))
 523         mkdir_p(tgtdir)
 524         t = bld(features='copy_script',
 525                 source       = s,
 526                 target       = target,
 527                 always       = True,
 528                 install_path = None)
 529         t.env.LINK_TARGET = target
 530
 531 Build.BuildContext.SAMBA_SCRIPT = SAMBA_SCRIPT
 532
 533
 534 def install_file(bld, destdir, file, chmod=0644, flat=False,
 535                  python_fixup=False, destname=None, base_name=None):
 536     '''install a file'''
 537     destdir = bld.EXPAND_VARIABLES(destdir)
 538     if not destname:
 539         destname = file
 540         if flat:
 541             destname = os.path.basename(destname)
 542     dest = os.path.join(destdir, destname)
 543     if python_fixup:
 544         # fixup the python path it will use to find Samba modules
 545         inst_file = file + '.inst'
 546         bld.SAMBA_GENERATOR('python_%s' % destname,
 547                             rule="sed 's|\(sys.path.insert.*\)bin/python\(.*\)$|\\1${PYTHONDIR}\\2|g' < ${SRC} > ${TGT}",
 548                             source=file,
 549                             target=inst_file)
 550         file = inst_file
 551     if base_name:
 552         file = os.path.join(base_name, file)
 553     bld.install_as(dest, file, chmod=chmod)
 554
 555
 556 def INSTALL_FILES(bld, destdir, files, chmod=0644, flat=False,
 557                   python_fixup=False, destname=None, base_name=None):
 558     '''install a set of files'''
 559     for f in TO_LIST(files):
 560         install_file(bld, destdir, f, chmod=chmod, flat=flat,
 561                      python_fixup=python_fixup, destname=destname,
 562                      base_name=base_name)
 563 Build.BuildContext.INSTALL_FILES = INSTALL_FILES
 564
 565
 566 def INSTALL_WILDCARD(bld, destdir, pattern, chmod=0644, flat=False,
 567                      python_fixup=False, exclude=None, trim_path=None):
 568     '''install a set of files matching a wildcard pattern'''
 569     files=TO_LIST(bld.path.ant_glob(pattern))
 570     if trim_path:
 571         files2 = []
 572         for f in files:
 573             files2.append(os_path_relpath(f, trim_path))
 574         files = files2
 575
 576     if exclude:
 577         for f in files[:]:
 578             if fnmatch.fnmatch(f, exclude):
 579                 files.remove(f)
 580     INSTALL_FILES(bld, destdir, files, chmod=chmod, flat=flat,
 581                   python_fixup=python_fixup, base_name=trim_path)
 582 Build.BuildContext.INSTALL_WILDCARD = INSTALL_WILDCARD
 583
 584
 585 def PUBLIC_HEADERS(bld, public_headers, header_path=None):
 586     '''install some headers
 587
 588     header_path may either be a string that is added to the INCLUDEDIR,
 589     or it can be a dictionary of wildcard patterns which map to destination
 590     directories relative to INCLUDEDIR
 591     '''
 592     dest = '${INCLUDEDIR}'
 593     if isinstance(header_path, str):
 594         dest += '/' + header_path
 595     for h in TO_LIST(public_headers):
 596         hdest = dest
 597         if isinstance(header_path, list):
 598             for (p1, dir) in header_path:
 599                 found_match=False
 600                 lst = TO_LIST(p1)
 601                 for p2 in lst:
 602                     if fnmatch.fnmatch(h, p2):
 603                         if dir:
 604                             hdest = os.path.join(hdest, dir)
 605                         found_match=True
 606                         break
 607                 if found_match: break
 608         if h.find(':') != -1:
 609             hs=h.split(':')
 610             INSTALL_FILES(bld, hdest, hs[0], flat=True, destname=hs[1])
 611         else:
 612             INSTALL_FILES(bld, hdest, h, flat=True)
 613 Build.BuildContext.PUBLIC_HEADERS = PUBLIC_HEADERS
 614
 615
 616 def subst_at_vars(task):
 617     '''substiture @VAR@ style variables in a file'''
 618     src = task.inputs[0].srcpath(task.env)
 619     tgt = task.outputs[0].bldpath(task.env)
 620
 621     f = open(src, 'r')
 622     s = f.read()
 623     f.close()
 624     # split on the vars
 625     a = re.split('(@\w+@)', s)
 626     out = []
 627     for v in a:
 628         if re.match('@\w+@', v):
 629             vname = v[1:-1]
 630             if not vname in task.env and vname.upper() in task.env:
 631                 vname = vname.upper()
 632             if not vname in task.env:
 633                 print "Unknown substitution %s in %s" % (v, task.name)
 634                 raise
 635             v = task.env[vname]
 636         out.append(v)
 637     contents = ''.join(out)
 638     f = open(tgt, 'w')
 639     s = f.write(contents)
 640     f.close()
 641     return 0
 642
 643
 644
 645 def PKG_CONFIG_FILES(bld, pc_files, vnum=None):
 646     '''install some pkg_config pc files'''
 647     dest = '${PKGCONFIGDIR}'
 648     dest = bld.EXPAND_VARIABLES(dest)
 649     for f in TO_LIST(pc_files):
 650         base=os.path.basename(f)
 651         t = bld.SAMBA_GENERATOR('PKGCONFIG_%s' % base,
 652                                 rule=subst_at_vars,
 653                                 source=f+'.in',
 654                                 target=f)
 655         if vnum:
 656             t.env.PACKAGE_VERSION = vnum
 657         INSTALL_FILES(bld, dest, f, flat=True, destname=base)
 658 Build.BuildContext.PKG_CONFIG_FILES = PKG_CONFIG_FILES
 659
 660
 661
 662 #############################################################
 663 # give a nicer display when building different types of files
 664 def progress_display(self, msg, fname):
 665     col1 = Logs.colors(self.color)
 666     col2 = Logs.colors.NORMAL
 667     total = self.position[1]
 668     n = len(str(total))
 669     fs = '[%%%dd/%%%dd] %s %%s%%s%%s\n' % (n, n, msg)
 670     return fs % (self.position[0], self.position[1], col1, fname, col2)
 671
 672 def link_display(self):
 673     if Options.options.progress_bar != 0:
 674         return Task.Task.old_display(self)
 675     fname = self.outputs[0].bldpath(self.env)
 676     return progress_display(self, 'Linking', fname)
 677 Task.TaskBase.classes['cc_link'].display = link_display
 678
 679 def samba_display(self):
 680     if Options.options.progress_bar != 0:
 681         return Task.Task.old_display(self)
 682
 683     targets    = LOCAL_CACHE(self, 'TARGET_TYPE')
 684     if self.name in targets:
 685         target_type = targets[self.name]
 686         type_map = { 'GENERATOR' : 'Generating',
 687                      'PROTOTYPE' : 'Generating'
 688                      }
 689         if target_type in type_map:
 690             return progress_display(self, type_map[target_type], self.name)
 691
 692     fname = self.inputs[0].bldpath(self.env)
 693     if fname[0:3] == '../':
 694         fname = fname[3:]
 695     ext_loc = fname.rfind('.')
 696     if ext_loc == -1:
 697         return Task.Task.old_display(self)
 698     ext = fname[ext_loc:]
 699
 700     ext_map = { '.idl' : 'Compiling IDL',
 701                 '.et'  : 'Compiling ERRTABLE',
 702                 '.asn1': 'Compiling ASN1',
 703                 '.c'   : 'Compiling' }
 704     if ext in ext_map:
 705         return progress_display(self, ext_map[ext], fname)
 706     return Task.Task.old_display(self)
 707
 708 Task.TaskBase.classes['Task'].old_display = Task.TaskBase.classes['Task'].display
 709 Task.TaskBase.classes['Task'].display = samba_display