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 import tru64cc
  24 import irixcc
  25 import generic_cc
  26 import samba_dist
  27
  28 O644 = 420
  29
  30 # some systems have broken threading in python
  31 if os.environ.get('WAF_NOTHREADS') == '1':
  32     import nothreads
  33
  34 LIB_PATH="shared"
  35
  36 os.putenv('PYTHONUNBUFFERED', '1')
  37
  38 @conf
  39 def SAMBA_BUILD_ENV(conf):
  40     '''create the samba build environment'''
  41     conf.env.BUILD_DIRECTORY = conf.blddir
  42     mkdir_p(os.path.join(conf.blddir, LIB_PATH))
  43     mkdir_p(os.path.join(conf.blddir, 'python/samba/dcerpc'))
  44     # this allows all of the bin/shared and bin/python targets
  45     # to be expressed in terms of build directory paths
  46     for p in ['python','shared']:
  47         link_target = os.path.join(conf.blddir, 'default/' + p)
  48         if not os.path.lexists(link_target):
  49             os.symlink('../' + p, link_target)
  50
  51     # get perl to put the blib files in the build directory
  52     blib_bld = os.path.join(conf.blddir, 'default/pidl/blib')
  53     blib_src = os.path.join(conf.srcdir, 'pidl/blib')
  54     mkdir_p(blib_bld + '/man1')
  55     mkdir_p(blib_bld + '/man3')
  56     if os.path.islink(blib_src):
  57         os.unlink(blib_src)
  58     elif os.path.exists(blib_src):
  59         shutil.rmtree(blib_src)
  60
  61
  62 def ADD_INIT_FUNCTION(bld, subsystem, target, init_function):
  63     '''add an init_function to the list for a subsystem'''
  64     if init_function is None:
  65         return
  66     bld.ASSERT(subsystem is not None, "You must specify a subsystem for init_function '%s'" % init_function)
  67     cache = LOCAL_CACHE(bld, 'INIT_FUNCTIONS')
  68     if not subsystem in cache:
  69         cache[subsystem] = []
  70     cache[subsystem].append( { 'TARGET':target, 'INIT_FUNCTION':init_function } )
  71 Build.BuildContext.ADD_INIT_FUNCTION = ADD_INIT_FUNCTION
  72
  73
  74
  75 #################################################################
  76 def SAMBA_LIBRARY(bld, libname, source,
  77                   deps='',
  78                   public_deps='',
  79                   includes='',
  80                   public_headers=None,
  81                   header_path=None,
  82                   pc_files=None,
  83                   vnum=None,
  84                   cflags='',
  85                   external_library=False,
  86                   realname=None,
  87                   autoproto=None,
  88                   group='main',
  89                   depends_on='',
  90                   local_include=True,
  91                   vars=None,
  92                   install_path=None,
  93                   install=True,
  94                   needs_python=False,
  95                   target_type='LIBRARY',
  96                   bundled_extension=True,
  97                   link_name=None,
  98                   enabled=True):
  99     '''define a Samba library'''
 100
 101     if not enabled:
 102         SET_TARGET_TYPE(bld, libname, 'DISABLED')
 103         return
 104
 105     source = bld.EXPAND_VARIABLES(source, vars=vars)
 106
 107     # remember empty libraries, so we can strip the dependencies
 108     if (source == '') or (source == []):
 109         SET_TARGET_TYPE(bld, libname, 'EMPTY')
 110         return
 111
 112     if target_type != 'PYTHON' and BUILTIN_LIBRARY(bld, libname):
 113         obj_target = libname
 114     else:
 115         obj_target = libname + '.objlist'
 116
 117     # first create a target for building the object files for this library
 118     # by separating in this way, we avoid recompiling the C files
 119     # separately for the install library and the build library
 120     bld.SAMBA_SUBSYSTEM(obj_target,
 121                         source         = source,
 122                         deps           = deps,
 123                         public_deps    = public_deps,
 124                         includes       = includes,
 125                         public_headers = public_headers,
 126                         header_path    = header_path,
 127                         cflags         = cflags,
 128                         group          = group,
 129                         autoproto      = autoproto,
 130                         depends_on     = depends_on,
 131                         needs_python   = needs_python,
 132                         local_include  = local_include)
 133
 134     if libname == obj_target:
 135         return
 136
 137     if not SET_TARGET_TYPE(bld, libname, target_type):
 138         return
 139
 140     # the library itself will depend on that object target
 141     deps += ' ' + public_deps
 142     deps = TO_LIST(deps)
 143     deps.append(obj_target)
 144
 145     if target_type == 'PYTHON':
 146         bundled_name = libname
 147     else:
 148         bundled_name = BUNDLED_NAME(bld, libname, bundled_extension)
 149
 150     features = 'cc cshlib symlink_lib install_lib'
 151     if target_type == 'PYTHON':
 152         features += ' pyext'
 153     elif needs_python:
 154         features += ' pyembed'
 155
 156     bld.SET_BUILD_GROUP(group)
 157     t = bld(
 158         features        = features,
 159         source          = [],
 160         target          = bundled_name,
 161         samba_cflags    = CURRENT_CFLAGS(bld, libname, cflags),
 162         depends_on      = depends_on,
 163         samba_deps      = deps,
 164         samba_includes  = includes,
 165         local_include   = local_include,
 166         vnum            = vnum,
 167         install_path    = None,
 168         samba_inst_path = install_path,
 169         name            = libname,
 170         samba_realname  = realname,
 171         samba_install   = install
 172         )
 173
 174     if link_name:
 175         t.link_name = link_name
 176
 177     if autoproto is not None:
 178         bld.SAMBA_AUTOPROTO(autoproto, source)
 179
 180     if public_headers is not None:
 181         bld.PUBLIC_HEADERS(public_headers, header_path=header_path)
 182
 183     if pc_files is not None:
 184         bld.PKG_CONFIG_FILES(pc_files, vnum=vnum)
 185
 186 Build.BuildContext.SAMBA_LIBRARY = SAMBA_LIBRARY
 187
 188
 189 #################################################################
 190 def SAMBA_BINARY(bld, binname, source,
 191                  deps='',
 192                  includes='',
 193                  public_headers=None,
 194                  header_path=None,
 195                  modules=None,
 196                  installdir=None,
 197                  ldflags=None,
 198                  cflags='',
 199                  autoproto=None,
 200                  use_hostcc=None,
 201                  compiler=None,
 202                  group='binaries',
 203                  manpages=None,
 204                  local_include=True,
 205                  subsystem_name=None,
 206                  needs_python=False,
 207                  vars=None,
 208                  install=True,
 209                  install_path=None):
 210     '''define a Samba binary'''
 211
 212     if not SET_TARGET_TYPE(bld, binname, 'BINARY'):
 213         return
 214
 215     features = 'cc cprogram symlink_bin install_bin'
 216     if needs_python:
 217         features += ' pyembed'
 218
 219     obj_target = binname + '.objlist'
 220
 221     source = bld.EXPAND_VARIABLES(source, vars=vars)
 222
 223     # first create a target for building the object files for this binary
 224     # by separating in this way, we avoid recompiling the C files
 225     # separately for the install binary and the build binary
 226     bld.SAMBA_SUBSYSTEM(obj_target,
 227                         source         = source,
 228                         deps           = deps,
 229                         includes       = includes,
 230                         cflags         = cflags,
 231                         group          = group,
 232                         autoproto      = autoproto,
 233                         subsystem_name = subsystem_name,
 234                         needs_python   = needs_python,
 235                         local_include  = local_include)
 236
 237     bld.SET_BUILD_GROUP(group)
 238
 239     # the binary itself will depend on that object target
 240     deps = TO_LIST(deps)
 241     deps.append(obj_target)
 242
 243     t = bld(
 244         features       = features,
 245         source         = [],
 246         target         = binname,
 247         samba_cflags   = CURRENT_CFLAGS(bld, binname, cflags),
 248         samba_deps     = deps,
 249         samba_includes = includes,
 250         local_include  = local_include,
 251         samba_modules  = modules,
 252         top            = True,
 253         samba_subsystem= subsystem_name,
 254         install_path   = None,
 255         samba_inst_path= install_path,
 256         samba_install  = install
 257         )
 258
 259     # setup the subsystem_name as an alias for the real
 260     # binary name, so it can be found when expanding
 261     # subsystem dependencies
 262     if subsystem_name is not None:
 263         bld.TARGET_ALIAS(subsystem_name, binname)
 264
 265     if autoproto is not None:
 266         bld.SAMBA_AUTOPROTO(autoproto, source)
 267     if public_headers is not None:
 268         bld.PUBLIC_HEADERS(public_headers, header_path=header_path)
 269 Build.BuildContext.SAMBA_BINARY = SAMBA_BINARY
 270
 271
 272 #################################################################
 273 def SAMBA_MODULE(bld, modname, source,
 274                  deps='',
 275                  includes='',
 276                  subsystem=None,
 277                  init_function=None,
 278                  autoproto=None,
 279                  autoproto_extra_source='',
 280                  aliases=None,
 281                  cflags='',
 282                  internal_module=True,
 283                  local_include=True,
 284                  vars=None,
 285                  enabled=True):
 286     '''define a Samba module.'''
 287
 288     # we add the init function regardless of whether the module
 289     # is enabled or not, as we need to generate a null list if
 290     # all disabled
 291     bld.ADD_INIT_FUNCTION(subsystem, modname, init_function)
 292
 293     if internal_module or BUILTIN_LIBRARY(bld, modname):
 294         # treat internal modules as subsystems for now
 295         SAMBA_SUBSYSTEM(bld, modname, source,
 296                         deps=deps,
 297                         includes=includes,
 298                         autoproto=autoproto,
 299                         autoproto_extra_source=autoproto_extra_source,
 300                         cflags=cflags,
 301                         local_include=local_include,
 302                         enabled=enabled)
 303         return
 304
 305     if not enabled:
 306         SET_TARGET_TYPE(bld, modname, 'DISABLED')
 307         return
 308
 309     source = bld.EXPAND_VARIABLES(source, vars=vars)
 310
 311     # remember empty modules, so we can strip the dependencies
 312     if (source == '') or (source == []):
 313         SET_TARGET_TYPE(bld, modname, 'EMPTY')
 314         return
 315
 316     if not SET_TARGET_TYPE(bld, modname, 'MODULE'):
 317         return
 318
 319     if subsystem is not None:
 320         deps += ' ' + subsystem
 321
 322     bld.SET_BUILD_GROUP('main')
 323     bld(
 324         features       = 'cc',
 325         source         = source,
 326         target         = modname,
 327         samba_cflags   = CURRENT_CFLAGS(bld, modname, cflags),
 328         samba_includes = includes,
 329         local_include  = local_include,
 330         samba_deps     = TO_LIST(deps)
 331         )
 332
 333     if autoproto is not None:
 334         bld.SAMBA_AUTOPROTO(autoproto, source + ' ' + autoproto_extra_source)
 335
 336 Build.BuildContext.SAMBA_MODULE = SAMBA_MODULE
 337
 338
 339 #################################################################
 340 def SAMBA_SUBSYSTEM(bld, modname, source,
 341                     deps='',
 342                     public_deps='',
 343                     includes='',
 344                     public_headers=None,
 345                     header_path=None,
 346                     cflags='',
 347                     cflags_end=None,
 348                     group='main',
 349                     init_function_sentinal=None,
 350                     heimdal_autoproto=None,
 351                     heimdal_autoproto_options=None,
 352                     heimdal_autoproto_private=None,
 353                     autoproto=None,
 354                     autoproto_extra_source='',
 355                     depends_on='',
 356                     local_include=True,
 357                     local_include_first=True,
 358                     subsystem_name=None,
 359                     enabled=True,
 360                     vars=None,
 361                     needs_python=False):
 362     '''define a Samba subsystem'''
 363
 364     if not enabled:
 365         SET_TARGET_TYPE(bld, modname, 'DISABLED')
 366         return
 367
 368     # remember empty subsystems, so we can strip the dependencies
 369     if (source == '') or (source == []):
 370         SET_TARGET_TYPE(bld, modname, 'EMPTY')
 371         return
 372
 373     if not SET_TARGET_TYPE(bld, modname, 'SUBSYSTEM'):
 374         return
 375
 376     source = bld.EXPAND_VARIABLES(source, vars=vars)
 377
 378     deps += ' ' + public_deps
 379
 380     bld.SET_BUILD_GROUP(group)
 381
 382     features = 'cc'
 383     if needs_python:
 384         features += ' pyext'
 385
 386     t = bld(
 387         features       = features,
 388         source         = source,
 389         target         = modname,
 390         samba_cflags   = CURRENT_CFLAGS(bld, modname, cflags),
 391         depends_on     = depends_on,
 392         samba_deps     = TO_LIST(deps),
 393         samba_includes = includes,
 394         local_include  = local_include,
 395         local_include_first  = local_include_first,
 396         samba_subsystem= subsystem_name
 397         )
 398
 399     if cflags_end is not None:
 400         t.samba_cflags.extend(TO_LIST(cflags_end))
 401
 402     if heimdal_autoproto is not None:
 403         bld.HEIMDAL_AUTOPROTO(heimdal_autoproto, source, options=heimdal_autoproto_options)
 404     if heimdal_autoproto_private is not None:
 405         bld.HEIMDAL_AUTOPROTO_PRIVATE(heimdal_autoproto_private, source)
 406     if autoproto is not None:
 407         bld.SAMBA_AUTOPROTO(autoproto, source + ' ' + autoproto_extra_source)
 408     if public_headers is not None:
 409         bld.PUBLIC_HEADERS(public_headers, header_path=header_path)
 410     return t
 411
 412
 413 Build.BuildContext.SAMBA_SUBSYSTEM = SAMBA_SUBSYSTEM
 414
 415
 416 def SAMBA_GENERATOR(bld, name, rule, source='', target='',
 417                     group='generators', enabled=True,
 418                     public_headers=None,
 419                     header_path=None,
 420                     vars=None):
 421     '''A generic source generator target'''
 422
 423     if not SET_TARGET_TYPE(bld, name, 'GENERATOR'):
 424         return
 425
 426     if not enabled:
 427         return
 428
 429     bld.SET_BUILD_GROUP(group)
 430     t = bld(
 431         rule=rule,
 432         source=bld.EXPAND_VARIABLES(source, vars=vars),
 433         target=target,
 434         shell=isinstance(rule, str),
 435         on_results=True,
 436         before='cc',
 437         ext_out='.c',
 438         name=name)
 439
 440     if public_headers is not None:
 441         bld.PUBLIC_HEADERS(public_headers, header_path=header_path)
 442     return t
 443 Build.BuildContext.SAMBA_GENERATOR = SAMBA_GENERATOR
 444
 445
 446
 447 @runonce
 448 def SETUP_BUILD_GROUPS(bld):
 449     '''setup build groups used to ensure that the different build
 450     phases happen consecutively'''
 451     bld.p_ln = bld.srcnode # we do want to see all targets!
 452     bld.env['USING_BUILD_GROUPS'] = True
 453     bld.add_group('setup')
 454     bld.add_group('build_compiler_source')
 455     bld.add_group('base_libraries')
 456     bld.add_group('generators')
 457     bld.add_group('compiler_prototypes')
 458     bld.add_group('compiler_libraries')
 459     bld.add_group('build_compilers')
 460     bld.add_group('build_source')
 461     bld.add_group('prototypes')
 462     bld.add_group('main')
 463     bld.add_group('binaries')
 464     bld.add_group('final')
 465 Build.BuildContext.SETUP_BUILD_GROUPS = SETUP_BUILD_GROUPS
 466
 467
 468 def SET_BUILD_GROUP(bld, group):
 469     '''set the current build group'''
 470     if not 'USING_BUILD_GROUPS' in bld.env:
 471         return
 472     bld.set_group(group)
 473 Build.BuildContext.SET_BUILD_GROUP = SET_BUILD_GROUP
 474
 475
 476
 477 @conf
 478 def ENABLE_TIMESTAMP_DEPENDENCIES(conf):
 479     """use timestamps instead of file contents for deps
 480     this currently doesn't work"""
 481     def h_file(filename):
 482         import stat
 483         st = os.stat(filename)
 484         if stat.S_ISDIR(st[stat.ST_MODE]): raise IOError('not a file')
 485         m = Utils.md5()
 486         m.update(str(st.st_mtime))
 487         m.update(str(st.st_size))
 488         m.update(filename)
 489         return m.digest()
 490     Utils.h_file = h_file
 491
 492
 493
 494 t = Task.simple_task_type('copy_script', 'rm -f ${LINK_TARGET} && ln -s ${SRC[0].abspath(env)} ${LINK_TARGET}',
 495                           shell=True, color='PINK', ext_in='.bin')
 496 t.quiet = True
 497
 498 @feature('copy_script')
 499 @before('apply_link')
 500 def copy_script(self):
 501     tsk = self.create_task('copy_script', self.allnodes[0])
 502     tsk.env.TARGET = self.target
 503
 504 def SAMBA_SCRIPT(bld, name, pattern, installdir, installname=None):
 505     '''used to copy scripts from the source tree into the build directory
 506        for use by selftest'''
 507
 508     source = bld.path.ant_glob(pattern)
 509
 510     bld.SET_BUILD_GROUP('build_source')
 511     for s in TO_LIST(source):
 512         iname = s
 513         if installname != None:
 514             iname = installname
 515         target = os.path.join(installdir, iname)
 516         tgtdir = os.path.dirname(os.path.join(bld.srcnode.abspath(bld.env), '..', target))
 517         mkdir_p(tgtdir)
 518         t = bld(features='copy_script',
 519                 source       = s,
 520                 target       = target,
 521                 always       = True,
 522                 install_path = None)
 523         t.env.LINK_TARGET = target
 524
 525 Build.BuildContext.SAMBA_SCRIPT = SAMBA_SCRIPT
 526
 527
 528 def install_file(bld, destdir, file, chmod=O644, flat=False,
 529                  python_fixup=False, destname=None, base_name=None):
 530     '''install a file'''
 531     destdir = bld.EXPAND_VARIABLES(destdir)
 532     if not destname:
 533         destname = file
 534         if flat:
 535             destname = os.path.basename(destname)
 536     dest = os.path.join(destdir, destname)
 537     if python_fixup:
 538         # fixup the python path it will use to find Samba modules
 539         inst_file = file + '.inst'
 540         bld.SAMBA_GENERATOR('python_%s' % destname,
 541                             rule="sed 's|\(sys.path.insert.*\)bin/python\(.*\)$|\\1${PYTHONDIR}\\2|g' < ${SRC} > ${TGT}",
 542                             source=file,
 543                             target=inst_file)
 544         file = inst_file
 545     if base_name:
 546         file = os.path.join(base_name, file)
 547     bld.install_as(dest, file, chmod=chmod)
 548
 549
 550 def INSTALL_FILES(bld, destdir, files, chmod=O644, flat=False,
 551                   python_fixup=False, destname=None, base_name=None):
 552     '''install a set of files'''
 553     for f in TO_LIST(files):
 554         install_file(bld, destdir, f, chmod=chmod, flat=flat,
 555                      python_fixup=python_fixup, destname=destname,
 556                      base_name=base_name)
 557 Build.BuildContext.INSTALL_FILES = INSTALL_FILES
 558
 559
 560 def INSTALL_WILDCARD(bld, destdir, pattern, chmod=O644, flat=False,
 561                      python_fixup=False, exclude=None, trim_path=None):
 562     '''install a set of files matching a wildcard pattern'''
 563     files=TO_LIST(bld.path.ant_glob(pattern))
 564     if trim_path:
 565         files2 = []
 566         for f in files:
 567             files2.append(os_path_relpath(f, trim_path))
 568         files = files2
 569
 570     if exclude:
 571         for f in files[:]:
 572             if fnmatch.fnmatch(f, exclude):
 573                 files.remove(f)
 574     INSTALL_FILES(bld, destdir, files, chmod=chmod, flat=flat,
 575                   python_fixup=python_fixup, base_name=trim_path)
 576 Build.BuildContext.INSTALL_WILDCARD = INSTALL_WILDCARD
 577
 578
 579 def PUBLIC_HEADERS(bld, public_headers, header_path=None):
 580     '''install some headers
 581
 582     header_path may either be a string that is added to the INCLUDEDIR,
 583     or it can be a dictionary of wildcard patterns which map to destination
 584     directories relative to INCLUDEDIR
 585     '''
 586     dest = '${INCLUDEDIR}'
 587     if isinstance(header_path, str):
 588         dest += '/' + header_path
 589     for h in TO_LIST(public_headers):
 590         hdest = dest
 591         if isinstance(header_path, list):
 592             for (p1, dir) in header_path:
 593                 found_match=False
 594                 lst = TO_LIST(p1)
 595                 for p2 in lst:
 596                     if fnmatch.fnmatch(h, p2):
 597                         if dir:
 598                             hdest = os.path.join(hdest, dir)
 599                         found_match=True
 600                         break
 601                 if found_match: break
 602         if h.find(':') != -1:
 603             hs=h.split(':')
 604             INSTALL_FILES(bld, hdest, hs[0], flat=True, destname=hs[1])
 605         else:
 606             INSTALL_FILES(bld, hdest, h, flat=True)
 607 Build.BuildContext.PUBLIC_HEADERS = PUBLIC_HEADERS
 608
 609
 610 def subst_at_vars(task):
 611     '''substiture @VAR@ style variables in a file'''
 612     src = task.inputs[0].srcpath(task.env)
 613     tgt = task.outputs[0].bldpath(task.env)
 614
 615     f = open(src, 'r')
 616     s = f.read()
 617     f.close()
 618     # split on the vars
 619     a = re.split('(@\w+@)', s)
 620     out = []
 621     back_sub = [ ('PREFIX', '${prefix}'), ('EXEC_PREFIX', '${exec_prefix}')]
 622     for v in a:
 623         if re.match('@\w+@', v):
 624             vname = v[1:-1]
 625             if not vname in task.env and vname.upper() in task.env:
 626                 vname = vname.upper()
 627             if not vname in task.env:
 628                 Logs.error("Unknown substitution %s in %s" % (v, task.name))
 629                 sys.exit(1)
 630             v = SUBST_VARS_RECURSIVE(task.env[vname], task.env)
 631             # now we back substitute the allowed pc vars
 632             for (b, m) in back_sub:
 633                 s = task.env[b]
 634                 if s == v[0:len(s)]:
 635                     v = m + v[len(s):]
 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