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