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