buildtools/wafsamba/samba_utils.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 os, sys, re, fnmatch, shlex
   5 import Build, Options, Utils, Task, Logs, Configure
   6 from TaskGen import feature, before, after
   7 from Configure import conf, ConfigurationContext
   8 from Logs import debug
   9
  10 # TODO: make this a --option
  11 LIB_PATH="shared"
  12
  13
  14 # sigh, python octal constants are a mess
  15 MODE_644 = int('644', 8)
  16 MODE_755 = int('755', 8)
  17
  18 @conf
  19 def SET_TARGET_TYPE(ctx, target, value):
  20     '''set the target type of a target'''
  21     cache = LOCAL_CACHE(ctx, 'TARGET_TYPE')
  22     if target in cache and cache[target] != 'EMPTY':
  23         Logs.error("ERROR: Target '%s' in directory %s re-defined as %s - was %s" % (target, ctx.curdir, value, cache[target]))
  24         sys.exit(1)
  25     LOCAL_CACHE_SET(ctx, 'TARGET_TYPE', target, value)
  26     debug("task_gen: Target '%s' created of type '%s' in %s" % (target, value, ctx.curdir))
  27     return True
  28
  29
  30 def GET_TARGET_TYPE(ctx, target):
  31     '''get target type from cache'''
  32     cache = LOCAL_CACHE(ctx, 'TARGET_TYPE')
  33     if not target in cache:
  34         return None
  35     return cache[target]
  36
  37
  38 def ADD_LD_LIBRARY_PATH(path):
  39     '''add something to LD_LIBRARY_PATH'''
  40     if 'LD_LIBRARY_PATH' in os.environ:
  41         oldpath = os.environ['LD_LIBRARY_PATH']
  42     else:
  43         oldpath = ''
  44     newpath = oldpath.split(':')
  45     if not path in newpath:
  46         newpath.append(path)
  47         os.environ['LD_LIBRARY_PATH'] = ':'.join(newpath)
  48
  49
  50 def needs_private_lib(bld, target):
  51     '''return True if a target links to a private library'''
  52     for lib in getattr(target, "final_libs", []):
  53         t = bld.get_tgen_by_name(lib)
  54         if t and getattr(t, 'private_library', False):
  55             return True
  56     return False
  57
  58
  59 def install_rpath(target):
  60     '''the rpath value for installation'''
  61     bld = target.bld
  62     bld.env['RPATH'] = []
  63     ret = set()
  64     if bld.env.RPATH_ON_INSTALL:
  65         ret.add(bld.EXPAND_VARIABLES(bld.env.LIBDIR))
  66     if bld.env.RPATH_ON_INSTALL_PRIVATE and needs_private_lib(bld, target):
  67         ret.add(bld.EXPAND_VARIABLES(bld.env.PRIVATELIBDIR))
  68     return list(ret)
  69
  70
  71 def build_rpath(bld):
  72     '''the rpath value for build'''
  73     rpaths = [os.path.normpath('%s/%s' % (bld.env.BUILD_DIRECTORY, d)) for d in ("shared", "shared/private")]
  74     bld.env['RPATH'] = []
  75     if bld.env.RPATH_ON_BUILD:
  76         return rpaths
  77     for rpath in rpaths:
  78         ADD_LD_LIBRARY_PATH(rpath)
  79     return []
  80
  81
  82 @conf
  83 def LOCAL_CACHE(ctx, name):
  84     '''return a named build cache dictionary, used to store
  85        state inside other functions'''
  86     if name in ctx.env:
  87         return ctx.env[name]
  88     ctx.env[name] = {}
  89     return ctx.env[name]
  90
  91
  92 @conf
  93 def LOCAL_CACHE_SET(ctx, cachename, key, value):
  94     '''set a value in a local cache'''
  95     cache = LOCAL_CACHE(ctx, cachename)
  96     cache[key] = value
  97
  98
  99 @conf
 100 def ASSERT(ctx, expression, msg):
 101     '''a build assert call'''
 102     if not expression:
 103         raise Utils.WafError("ERROR: %s\n" % msg)
 104 Build.BuildContext.ASSERT = ASSERT
 105
 106
 107 def SUBDIR(bld, subdir, list):
 108     '''create a list of files by pre-pending each with a subdir name'''
 109     ret = ''
 110     for l in TO_LIST(list):
 111         ret = ret + os.path.normpath(os.path.join(subdir, l)) + ' '
 112     return ret
 113 Build.BuildContext.SUBDIR = SUBDIR
 114
 115
 116 def dict_concat(d1, d2):
 117     '''concatenate two dictionaries d1 += d2'''
 118     for t in d2:
 119         if t not in d1:
 120             d1[t] = d2[t]
 121
 122 def ADD_COMMAND(opt, name, function):
 123     '''add a new top level command to waf'''
 124     Utils.g_module.__dict__[name] = function
 125     opt.name = function
 126 Options.Handler.ADD_COMMAND = ADD_COMMAND
 127
 128
 129 @feature('c', 'cc', 'cshlib', 'cprogram')
 130 @before('apply_core','exec_rule')
 131 def process_depends_on(self):
 132     '''The new depends_on attribute for build rules
 133        allow us to specify a dependency on output from
 134        a source generation rule'''
 135     if getattr(self , 'depends_on', None):
 136         lst = self.to_list(self.depends_on)
 137         for x in lst:
 138             y = self.bld.get_tgen_by_name(x)
 139             self.bld.ASSERT(y is not None, "Failed to find dependency %s of %s" % (x, self.name))
 140             y.post()
 141             if getattr(y, 'more_includes', None):
 142                   self.includes += " " + y.more_includes
 143
 144
 145 os_path_relpath = getattr(os.path, 'relpath', None)
 146 if os_path_relpath is None:
 147     # Python < 2.6 does not have os.path.relpath, provide a replacement
 148     # (imported from Python2.6.5~rc2)
 149     def os_path_relpath(path, start):
 150         """Return a relative version of a path"""
 151         start_list = os.path.abspath(start).split("/")
 152         path_list = os.path.abspath(path).split("/")
 153
 154         # Work out how much of the filepath is shared by start and path.
 155         i = len(os.path.commonprefix([start_list, path_list]))
 156
 157         rel_list = ['..'] * (len(start_list)-i) + path_list[i:]
 158         if not rel_list:
 159             return start
 160         return os.path.join(*rel_list)
 161
 162
 163 def unique_list(seq):
 164     '''return a uniquified list in the same order as the existing list'''
 165     seen = {}
 166     result = []
 167     for item in seq:
 168         if item in seen: continue
 169         seen[item] = True
 170         result.append(item)
 171     return result
 172
 173
 174 def TO_LIST(str, delimiter=None):
 175     '''Split a list, preserving quoted strings and existing lists'''
 176     if str is None:
 177         return []
 178     if isinstance(str, list):
 179         # we need to return a new independent list...
 180         return list(str)
 181     if len(str) == 0:
 182         return []
 183     lst = str.split(delimiter)
 184     # the string may have had quotes in it, now we
 185     # check if we did have quotes, and use the slower shlex
 186     # if we need to
 187     for e in lst:
 188         if e[0] == '"':
 189             return shlex.split(str)
 190     return lst
 191
 192
 193 def subst_vars_error(string, env):
 194     '''substitute vars, throw an error if a variable is not defined'''
 195     lst = re.split('(\$\{\w+\})', string)
 196     out = []
 197     for v in lst:
 198         if re.match('\$\{\w+\}', v):
 199             vname = v[2:-1]
 200             if not vname in env:
 201                 raise KeyError("Failed to find variable %s in %s" % (vname, string))
 202             v = env[vname]
 203         out.append(v)
 204     return ''.join(out)
 205
 206
 207 @conf
 208 def SUBST_ENV_VAR(ctx, varname):
 209     '''Substitute an environment variable for any embedded variables'''
 210     return subst_vars_error(ctx.env[varname], ctx.env)
 211 Build.BuildContext.SUBST_ENV_VAR = SUBST_ENV_VAR
 212
 213
 214 def ENFORCE_GROUP_ORDERING(bld):
 215     '''enforce group ordering for the project. This
 216        makes the group ordering apply only when you specify
 217        a target with --target'''
 218     if Options.options.compile_targets:
 219         @feature('*')
 220         @before('exec_rule', 'apply_core', 'collect')
 221         def force_previous_groups(self):
 222             if getattr(self.bld, 'enforced_group_ordering', False):
 223                 return
 224             self.bld.enforced_group_ordering = True
 225
 226             def group_name(g):
 227                 tm = self.bld.task_manager
 228                 return [x for x in tm.groups_names if id(tm.groups_names[x]) == id(g)][0]
 229
 230             my_id = id(self)
 231             bld = self.bld
 232             stop = None
 233             for g in bld.task_manager.groups:
 234                 for t in g.tasks_gen:
 235                     if id(t) == my_id:
 236                         stop = id(g)
 237                         debug('group: Forcing up to group %s for target %s',
 238                               group_name(g), self.name or self.target)
 239                         break
 240                 if stop is not None:
 241                     break
 242             if stop is None:
 243                 return
 244
 245             for i in xrange(len(bld.task_manager.groups)):
 246                 g = bld.task_manager.groups[i]
 247                 bld.task_manager.current_group = i
 248                 if id(g) == stop:
 249                     break
 250                 debug('group: Forcing group %s', group_name(g))
 251                 for t in g.tasks_gen:
 252                     if not getattr(t, 'forced_groups', False):
 253                         debug('group: Posting %s', t.name or t.target)
 254                         t.forced_groups = True
 255                         t.post()
 256 Build.BuildContext.ENFORCE_GROUP_ORDERING = ENFORCE_GROUP_ORDERING
 257
 258
 259 def recursive_dirlist(dir, relbase, pattern=None):
 260     '''recursive directory list'''
 261     ret = []
 262     for f in os.listdir(dir):
 263         f2 = dir + '/' + f
 264         if os.path.isdir(f2):
 265             ret.extend(recursive_dirlist(f2, relbase))
 266         else:
 267             if pattern and not fnmatch.fnmatch(f, pattern):
 268                 continue
 269             ret.append(os_path_relpath(f2, relbase))
 270     return ret
 271
 272
 273 def mkdir_p(dir):
 274     '''like mkdir -p'''
 275     if not dir:
 276         return
 277     if dir.endswith("/"):
 278         mkdir_p(dir[:-1])
 279         return
 280     if os.path.isdir(dir):
 281         return
 282     mkdir_p(os.path.dirname(dir))
 283     os.mkdir(dir)
 284
 285
 286 def SUBST_VARS_RECURSIVE(string, env):
 287     '''recursively expand variables'''
 288     if string is None:
 289         return string
 290     limit=100
 291     while (string.find('${') != -1 and limit > 0):
 292         string = subst_vars_error(string, env)
 293         limit -= 1
 294     return string
 295
 296
 297 @conf
 298 def EXPAND_VARIABLES(ctx, varstr, vars=None):
 299     '''expand variables from a user supplied dictionary
 300
 301     This is most useful when you pass vars=locals() to expand
 302     all your local variables in strings
 303     '''
 304
 305     if isinstance(varstr, list):
 306         ret = []
 307         for s in varstr:
 308             ret.append(EXPAND_VARIABLES(ctx, s, vars=vars))
 309         return ret
 310
 311     if not isinstance(varstr, str):
 312         return varstr
 313
 314     import Environment
 315     env = Environment.Environment()
 316     ret = varstr
 317     # substitute on user supplied dict if avaiilable
 318     if vars is not None:
 319         for v in vars.keys():
 320             env[v] = vars[v]
 321         ret = SUBST_VARS_RECURSIVE(ret, env)
 322
 323     # if anything left, subst on the environment as well
 324     if ret.find('${') != -1:
 325         ret = SUBST_VARS_RECURSIVE(ret, ctx.env)
 326     # make sure there is nothing left. Also check for the common
 327     # typo of $( instead of ${
 328     if ret.find('${') != -1 or ret.find('$(') != -1:
 329         Logs.error('Failed to substitute all variables in varstr=%s' % ret)
 330         sys.exit(1)
 331     return ret
 332 Build.BuildContext.EXPAND_VARIABLES = EXPAND_VARIABLES
 333
 334
 335 def RUN_COMMAND(cmd,
 336                 env=None,
 337                 shell=False):
 338     '''run a external command, return exit code or signal'''
 339     if env:
 340         cmd = SUBST_VARS_RECURSIVE(cmd, env)
 341
 342     status = os.system(cmd)
 343     if os.WIFEXITED(status):
 344         return os.WEXITSTATUS(status)
 345     if os.WIFSIGNALED(status):
 346         return - os.WTERMSIG(status)
 347     Logs.error("Unknown exit reason %d for command: %s" (status, cmd))
 348     return -1
 349
 350
 351 def RUN_PYTHON_TESTS(testfiles, pythonpath=None, extra_env=None):
 352     env = LOAD_ENVIRONMENT()
 353     if pythonpath is None:
 354         pythonpath = os.path.join(Utils.g_module.blddir, 'python')
 355     result = 0
 356     for interp in env.python_interpreters:
 357         for testfile in testfiles:
 358             cmd = "PYTHONPATH=%s %s %s" % (pythonpath, interp, testfile)
 359             if extra_env:
 360                 for key, value in extra_env.items():
 361                     cmd = "%s=%s %s" % (key, value, cmd)
 362             print('Running Python test with %s: %s' % (interp, testfile))
 363             ret = RUN_COMMAND(cmd)
 364             if ret:
 365                 print('Python test failed: %s' % cmd)
 366                 result = ret
 367     return result
 368
 369
 370 # make sure we have md5. some systems don't have it
 371 try:
 372     from hashlib import md5
 373     # Even if hashlib.md5 exists, it may be unusable.
 374     # Try to use MD5 function. In FIPS mode this will cause an exception
 375     # and we'll get to the replacement code
 376     foo = md5('abcd')
 377 except:
 378     try:
 379         import md5
 380         # repeat the same check here, mere success of import is not enough.
 381         # Try to use MD5 function. In FIPS mode this will cause an exception
 382         foo = md5.md5('abcd')
 383     except:
 384         import Constants
 385         Constants.SIG_NIL = hash('abcd')
 386         class replace_md5(object):
 387             def __init__(self):
 388                 self.val = None
 389             def update(self, val):
 390                 self.val = hash((self.val, val))
 391             def digest(self):
 392                 return str(self.val)
 393             def hexdigest(self):
 394                 return self.digest().encode('hex')
 395         def replace_h_file(filename):
 396             f = open(filename, 'rb')
 397             m = replace_md5()
 398             while (filename):
 399                 filename = f.read(100000)
 400                 m.update(filename)
 401             f.close()
 402             return m.digest()
 403         Utils.md5 = replace_md5
 404         Task.md5 = replace_md5
 405         Utils.h_file = replace_h_file
 406
 407
 408 def LOAD_ENVIRONMENT():
 409     '''load the configuration environment, allowing access to env vars
 410        from new commands'''
 411     import Environment
 412     env = Environment.Environment()
 413     try:
 414         env.load('.lock-wscript')
 415         env.load(env.blddir + '/c4che/default.cache.py')
 416     except:
 417         pass
 418     return env
 419
 420
 421 def IS_NEWER(bld, file1, file2):
 422     '''return True if file1 is newer than file2'''
 423     t1 = os.stat(os.path.join(bld.curdir, file1)).st_mtime
 424     t2 = os.stat(os.path.join(bld.curdir, file2)).st_mtime
 425     return t1 > t2
 426 Build.BuildContext.IS_NEWER = IS_NEWER
 427
 428
 429 @conf
 430 def RECURSE(ctx, directory):
 431     '''recurse into a directory, relative to the curdir or top level'''
 432     try:
 433         visited_dirs = ctx.visited_dirs
 434     except:
 435         visited_dirs = ctx.visited_dirs = set()
 436     d = os.path.join(ctx.curdir, directory)
 437     if os.path.exists(d):
 438         abspath = os.path.abspath(d)
 439     else:
 440         abspath = os.path.abspath(os.path.join(Utils.g_module.srcdir, directory))
 441     ctxclass = ctx.__class__.__name__
 442     key = ctxclass + ':' + abspath
 443     if key in visited_dirs:
 444         # already done it
 445         return
 446     visited_dirs.add(key)
 447     relpath = os_path_relpath(abspath, ctx.curdir)
 448     if ctxclass == 'Handler':
 449         return ctx.sub_options(relpath)
 450     if ctxclass == 'ConfigurationContext':
 451         return ctx.sub_config(relpath)
 452     if ctxclass == 'BuildContext':
 453         return ctx.add_subdirs(relpath)
 454     Logs.error('Unknown RECURSE context class', ctxclass)
 455     raise
 456 Options.Handler.RECURSE = RECURSE
 457 Build.BuildContext.RECURSE = RECURSE
 458
 459
 460 def CHECK_MAKEFLAGS(bld):
 461     '''check for MAKEFLAGS environment variable in case we are being
 462     called from a Makefile try to honor a few make command line flags'''
 463     if not 'WAF_MAKE' in os.environ:
 464         return
 465     makeflags = os.environ.get('MAKEFLAGS')
 466     if makeflags is None:
 467         return
 468     jobs_set = False
 469     # we need to use shlex.split to cope with the escaping of spaces
 470     # in makeflags
 471     for opt in shlex.split(makeflags):
 472         # options can come either as -x or as x
 473         if opt[0:2] == 'V=':
 474             Options.options.verbose = Logs.verbose = int(opt[2:])
 475             if Logs.verbose > 0:
 476                 Logs.zones = ['runner']
 477             if Logs.verbose > 2:
 478                 Logs.zones = ['*']
 479         elif opt[0].isupper() and opt.find('=') != -1:
 480             # this allows us to set waf options on the make command line
 481             # for example, if you do "make FOO=blah", then we set the
 482             # option 'FOO' in Options.options, to blah. If you look in wafsamba/wscript
 483             # you will see that the command line accessible options have their dest=
 484             # set to uppercase, to allow for passing of options from make in this way
 485             # this is also how "make test TESTS=testpattern" works, and
 486             # "make VERBOSE=1" as well as things like "make SYMBOLCHECK=1"
 487             loc = opt.find('=')
 488             setattr(Options.options, opt[0:loc], opt[loc+1:])
 489         elif opt[0] != '-':
 490             for v in opt:
 491                 if v == 'j':
 492                     jobs_set = True
 493                 elif v == 'k':
 494                     Options.options.keep = True
 495         elif opt == '-j':
 496             jobs_set = True
 497         elif opt == '-k':
 498             Options.options.keep = True
 499     if not jobs_set:
 500         # default to one job
 501         Options.options.jobs = 1
 502
 503 Build.BuildContext.CHECK_MAKEFLAGS = CHECK_MAKEFLAGS
 504
 505 option_groups = {}
 506
 507 def option_group(opt, name):
 508     '''find or create an option group'''
 509     global option_groups
 510     if name in option_groups:
 511         return option_groups[name]
 512     gr = opt.add_option_group(name)
 513     option_groups[name] = gr
 514     return gr
 515 Options.Handler.option_group = option_group
 516
 517
 518 def save_file(filename, contents, create_dir=False):
 519     '''save data to a file'''
 520     if create_dir:
 521         mkdir_p(os.path.dirname(filename))
 522     try:
 523         f = open(filename, 'w')
 524         f.write(contents)
 525         f.close()
 526     except:
 527         return False
 528     return True
 529
 530
 531 def load_file(filename):
 532     '''return contents of a file'''
 533     try:
 534         f = open(filename, 'r')
 535         r = f.read()
 536         f.close()
 537     except:
 538         return None
 539     return r
 540
 541
 542 def reconfigure(ctx):
 543     '''rerun configure if necessary'''
 544     import Configure, samba_wildcard, Scripting
 545     if not os.path.exists(".lock-wscript"):
 546         raise Utils.WafError('configure has not been run')
 547     bld = samba_wildcard.fake_build_environment()
 548     Configure.autoconfig = True
 549     Scripting.check_configured(bld)
 550
 551
 552 def map_shlib_extension(ctx, name, python=False):
 553     '''map a filename with a shared library extension of .so to the real shlib name'''
 554     if name is None:
 555         return None
 556     if name[-1:].isdigit():
 557         # some libraries have specified versions in the wscript rule
 558         return name
 559     (root1, ext1) = os.path.splitext(name)
 560     if python:
 561         return ctx.env.pyext_PATTERN % root1
 562     else:
 563         (root2, ext2) = os.path.splitext(ctx.env.shlib_PATTERN)
 564     return root1+ext2
 565 Build.BuildContext.map_shlib_extension = map_shlib_extension
 566
 567 def apply_pattern(filename, pattern):
 568     '''apply a filename pattern to a filename that may have a directory component'''
 569     dirname = os.path.dirname(filename)
 570     if not dirname:
 571         return pattern % filename
 572     basename = os.path.basename(filename)
 573     return os.path.join(dirname, pattern % basename)
 574
 575 def make_libname(ctx, name, nolibprefix=False, version=None, python=False):
 576     """make a library filename
 577          Options:
 578               nolibprefix: don't include the lib prefix
 579               version    : add a version number
 580               python     : if we should use python module name conventions"""
 581
 582     if python:
 583         libname = apply_pattern(name, ctx.env.pyext_PATTERN)
 584     else:
 585         libname = apply_pattern(name, ctx.env.shlib_PATTERN)
 586     if nolibprefix and libname[0:3] == 'lib':
 587         libname = libname[3:]
 588     if version:
 589         if version[0] == '.':
 590             version = version[1:]
 591         (root, ext) = os.path.splitext(libname)
 592         if ext == ".dylib":
 593             # special case - version goes before the prefix
 594             libname = "%s.%s%s" % (root, version, ext)
 595         else:
 596             libname = "%s%s.%s" % (root, ext, version)
 597     return libname
 598 Build.BuildContext.make_libname = make_libname
 599
 600
 601 def get_tgt_list(bld):
 602     '''return a list of build objects for samba'''
 603
 604     targets = LOCAL_CACHE(bld, 'TARGET_TYPE')
 605
 606     # build a list of task generators we are interested in
 607     tgt_list = []
 608     for tgt in targets:
 609         type = targets[tgt]
 610         if not type in ['SUBSYSTEM', 'MODULE', 'BINARY', 'LIBRARY', 'ASN1', 'PYTHON']:
 611             continue
 612         t = bld.get_tgen_by_name(tgt)
 613         if t is None:
 614             Logs.error("Target %s of type %s has no task generator" % (tgt, type))
 615             sys.exit(1)
 616         tgt_list.append(t)
 617     return tgt_list
 618
 619 from Constants import WSCRIPT_FILE
 620 def PROCESS_SEPARATE_RULE(self, rule):
 621     ''' cause waf to process additional script based on `rule'.
 622         You should have file named wscript_<stage>_rule in the current directory
 623         where stage is either 'configure' or 'build'
 624     '''
 625     stage = ''
 626     if isinstance(self, Configure.ConfigurationContext):
 627         stage = 'configure'
 628     elif isinstance(self, Build.BuildContext):
 629         stage = 'build'
 630     file_path = os.path.join(self.curdir, WSCRIPT_FILE+'_'+stage+'_'+rule)
 631     txt = load_file(file_path)
 632     if txt:
 633         dc = {'ctx': self}
 634         if getattr(self.__class__, 'pre_recurse', None):
 635             dc = self.pre_recurse(txt, file_path, self.curdir)
 636         exec(compile(txt, file_path, 'exec'), dc)
 637         if getattr(self.__class__, 'post_recurse', None):
 638             dc = self.post_recurse(txt, file_path, self.curdir)
 639
 640 Build.BuildContext.PROCESS_SEPARATE_RULE = PROCESS_SEPARATE_RULE
 641 ConfigurationContext.PROCESS_SEPARATE_RULE = PROCESS_SEPARATE_RULE
 642
 643 def AD_DC_BUILD_IS_ENABLED(self):
 644     if self.CONFIG_SET('AD_DC_BUILD_IS_ENABLED'):
 645         return True
 646     return False
 647
 648 Build.BuildContext.AD_DC_BUILD_IS_ENABLED = AD_DC_BUILD_IS_ENABLED
 649
 650 @feature('cprogram', 'cshlib', 'cstaticlib')
 651 @after('apply_lib_vars')
 652 @before('apply_obj_vars')
 653 def samba_before_apply_obj_vars(self):
 654     """before apply_obj_vars for uselib, this removes the standard paths"""
 655
 656     def is_standard_libpath(env, path):
 657         for _path in env.STANDARD_LIBPATH:
 658             if _path == os.path.normpath(path):
 659                 return True
 660         return False
 661
 662     v = self.env
 663
 664     for i in v['RPATH']:
 665         if is_standard_libpath(v, i):
 666             v['RPATH'].remove(i)
 667
 668     for i in v['LIBPATH']:
 669         if is_standard_libpath(v, i):
 670             v['LIBPATH'].remove(i)
 671