merge upstream/master

1 files changed, 0 insertions, 904 deletions

diff --git a/jam-files/boost-build/util/path.py b/jam-files/boost-build/util/path.py
deleted file mode 100644
index 222b96bf..00000000
--- a/jam-files/boost-build/util/path.py
+++ /dev/null
@@ -1,904 +0,0 @@
-# Status: this module is ported on demand by however needs something
-# from it.  Functionality that is not needed by Python port will
-# be dropped.
-
-#  Copyright (C) Vladimir Prus 2002. Permission to copy, use, modify, sell and
-#  distribute this software is granted provided this copyright notice appears in
-#  all copies. This software is provided "as is" without express or implied
-#  warranty, and with no claim as to its suitability for any purpose.
-
-#  Performs various path manipulations. Path are always in a 'normilized' 
-#  representation. In it, a path may be either:
-#
-#     - '.', or
-#
-#     - ['/'] [ ( '..' '/' )*  (token '/')* token ]
-# 
-#   In plain english, path can be rooted, '..' elements are allowed only
-#   at the beginning, and it never ends in slash, except for path consisting
-#   of slash only.
-
-import os.path
-from utility import to_seq
-from glob import glob as builtin_glob
-
-from b2.util import bjam_signature
-
-@bjam_signature((["path", "root"],))
-def root (path, root):
-    """ If 'path' is relative, it is rooted at 'root'. Otherwise, it's unchanged.
-    """
-    if os.path.isabs (path):
-        return path
-    else:
-        return os.path.join (root, path)
-
-@bjam_signature((["native"],))
-def make (native):
-    """ Converts the native path into normalized form.
-    """
-    # TODO: make os selection here.
-    return make_UNIX (native)
-
-def make_UNIX (native):
-
-    # VP: I have no idea now 'native' can be empty here! But it can!
-    assert (native)
-
-    return os.path.normpath (native)
-
-@bjam_signature((["path"],))
-def native (path):
-    """ Builds a native representation of the path.
-    """
-    # TODO: make os selection here.
-    return native_UNIX (path)
-
-def native_UNIX (path):
-    return path
-
-
-def pwd ():
-    """ Returns the current working directory.
-        # TODO: is it a good idea to use the current dir? Some use-cases 
-                may not allow us to depend on the current dir.
-    """
-    return make (os.getcwd ())
-
-def is_rooted (path):
-    """ Tests if a path is rooted.
-    """
-    return path and path [0] == '/'
-
-
-###################################################################
-# Still to port.
-# Original lines are prefixed with "#   "
-#
-#   #  Copyright (C) Vladimir Prus 2002. Permission to copy, use, modify, sell and
-#   #  distribute this software is granted provided this copyright notice appears in
-#   #  all copies. This software is provided "as is" without express or implied
-#   #  warranty, and with no claim as to its suitability for any purpose.
-#   
-#   #  Performs various path manipulations. Path are always in a 'normilized' 
-#   #  representation. In it, a path may be either:
-#   #
-#   #     - '.', or
-#   #
-#   #     - ['/'] [ ( '..' '/' )*  (token '/')* token ]
-#   # 
-#   #   In plain english, path can be rooted, '..' elements are allowed only
-#   #   at the beginning, and it never ends in slash, except for path consisting
-#   #   of slash only.
-#   
-#   import modules ;
-#   import sequence ;
-#   import regex ;
-#   import errors : error ;
-#   
-#   
-#   os = [ modules.peek : OS ] ;
-#   if [ modules.peek : UNIX ] 
-#   {    
-#       local uname = [ modules.peek : JAMUNAME ] ;
-#       switch $(uname)
-#       {
-#           case CYGWIN* :
-#             os = CYGWIN ;
-#           
-#           case * :
-#             os = UNIX ;
-#       }        
-#   }
-#   
-#   #
-#   #    Tests if a path is rooted.
-#   #
-#   rule is-rooted ( path )
-#   {
-#       return [ MATCH "^(/)" : $(path) ] ;
-#   }
-#   
-#   #
-#   #    Tests if a path has a parent.
-#   #
-#   rule has-parent ( path )
-#   {
-#       if $(path) != / {
-#           return 1 ;
-#       } else {
-#           return ;
-#       }
-#   }
-#   
-#   #
-#   #    Returns the path without any directory components.
-#   #
-#   rule basename ( path )
-#   {
-#       return [ MATCH "([^/]+)$" : $(path) ] ;
-#   }
-#   
-#   #
-#   #    Returns parent directory of the path. If no parent exists, error is issued.
-#   #
-#   rule parent ( path )
-#   {
-#       if [ has-parent $(path) ] {
-#   
-#           if $(path) = . {
-#               return .. ;
-#           } else {
-#   
-#               # Strip everything at the end of path up to and including
-#               # the last slash
-#               local result = [ regex.match "((.*)/)?([^/]+)" : $(path) : 2 3 ] ;
-#   
-#               # Did we strip what we shouldn't?
-#               if $(result[2]) = ".." {
-#                   return $(path)/.. ;
-#               } else {
-#                   if ! $(result[1]) {
-#                       if [ is-rooted $(path) ] {
-#                           result = / ;
-#                       } else {
-#                           result = . ;
-#                       }
-#                   }
-#                   return $(result[1]) ;
-#               }
-#           }
-#       } else {
-#           error "Path '$(path)' has no parent" ;
-#       }
-#   }
-#   
-#   #
-#   #    Returns path2 such that "[ join path path2 ] = .".
-#   #    The path may not contain ".." element or be rooted.
-#   #
-#   rule reverse ( path )
-#   {
-#       if $(path) = .
-#       {
-#           return $(path) ;
-#       }
-#       else
-#       {
-#           local tokens = [ regex.split $(path) "/" ] ;
-#           local tokens2 ;
-#           for local i in $(tokens) {
-#               tokens2 += .. ;
-#           }
-#           return [ sequence.join $(tokens2) : "/" ] ;
-#       }
-#   }
-#   
-#   #
-#   # Auxillary rule: does all the semantic of 'join', except for error cheching.
-#   # The error checking is separated because this rule is recursive, and I don't
-#   # like the idea of checking the same input over and over.
-#   #
-#   local rule join-imp ( elements + )
-#   {
-#       return [ NORMALIZE_PATH $(elements:J="/") ] ;
-#   }
-#   
-#   #
-#   #    Contanenates the passed path elements. Generates an error if
-#   #    any element other than the first one is rooted.
-#   #
-#   rule join ( elements + )
-#   {
-#       if ! $(elements[2]) 
-#       {
-#           return $(elements[1]) ;
-#       }
-#       else
-#       {        
-#           for local e in $(elements[2-])
-#           {
-#               if [ is-rooted $(e) ]
-#               {
-#                   error only first element may be rooted ;
-#               }
-#           }
-#           return [ join-imp $(elements) ] ;
-#       }    
-#   }
-
-
-def glob (dirs, patterns):
-    """ Returns the list of files matching the given pattern in the
-    specified directory.  Both directories and patterns are 
-    supplied as portable paths. Each pattern should be non-absolute
-    path, and can't contain "." or ".." elements. Each slash separated
-    element of pattern can contain the following special characters:
-    -  '?', which match any character
-    -  '*', which matches arbitrary number of characters.
-    A file $(d)/e1/e2/e3 (where 'd' is in $(dirs)) matches pattern p1/p2/p3
-    if and only if e1 matches p1, e2 matches p2 and so on.
-    
-    For example: 
-        [ glob . : *.cpp ] 
-        [ glob . : */build/Jamfile ] 
-    """
-#   {
-#       local result ;
-#       if $(patterns:D)
-#       {
-#           # When a pattern has a directory element, we first glob for
-#           # directory, and then glob for file name is the found directories.
-#           for local p in $(patterns)
-#           {
-#               # First glob for directory part.
-#               local globbed-dirs = [ glob $(dirs) : $(p:D) ] ;
-#               result += [ glob $(globbed-dirs) : $(p:D="") ] ;
-#           }        
-#       }
-#       else
-#       {        
-#           # When a pattern has not directory, we glob directly.
-#           # Take care of special ".." value. The "GLOB" rule simply ignores
-#           # the ".." element (and ".") element in directory listings. This is
-#           # needed so that 
-#           #
-#           #    [ glob libs/*/Jamfile ]
-#           #
-#           # don't return 
-#           #
-#           #    libs/../Jamfile (which is the same as ./Jamfile)
-#           #
-#           # On the other hand, when ".." is explicitly present in the pattern
-#           # we need to return it.
-#           # 
-#           for local dir in $(dirs)
-#           {
-#               for local p in $(patterns)
-#               {                
-#                   if $(p) != ".."
-#                   {                
-#                       result += [ sequence.transform make 
-#                           : [ GLOB [ native $(dir) ] : $(p) ] ] ;
-#                   }            
-#                   else
-#                   {
-#                       result += [ path.join $(dir) .. ] ;
-#                   }            
-#               }            
-#           }
-#       }    
-#       return $(result) ;
-#   }
-#   
-
-# TODO: (PF) I replaced the code above by this. I think it should work but needs to be tested.
-    result = []
-    dirs = to_seq (dirs)
-    patterns = to_seq (patterns)
-
-    splitdirs = []
-    for dir in dirs:
-        splitdirs += dir.split (os.pathsep)
-
-    for dir in splitdirs:
-        for pattern in patterns:
-            p = os.path.join (dir, pattern)
-            import glob
-            result.extend (glob.glob (p))
-    return result
-    
-#
-#   Find out the absolute name of path and returns the list of all the parents,
-#   starting with the immediate one. Parents are returned as relative names.
-#   If 'upper_limit' is specified, directories above it will be pruned.
-#
-def all_parents(path, upper_limit=None, cwd=None):
-
-    if not cwd:
-        cwd = os.getcwd()
-
-    path_abs = os.path.join(cwd, path)
-
-    if upper_limit:
-        upper_limit = os.path.join(cwd, upper_limit)
-
-    result = []
-    while path_abs and path_abs != upper_limit:
-        (head, tail) = os.path.split(path)
-        path = os.path.join(path, "..")        
-        result.append(path)
-        path_abs = head
-
-    if upper_limit and path_abs != upper_limit:
-        raise BaseException("'%s' is not a prefix of '%s'" % (upper_limit, path))
-
-    return result
-    
-#  Search for 'pattern' in parent directories of 'dir', up till and including
-#  'upper_limit', if it is specified, or till the filesystem root otherwise.
-#
-def glob_in_parents(dir, patterns, upper_limit=None):
-
-    result = []
-    parent_dirs = all_parents(dir, upper_limit)
-
-    for p in parent_dirs:
-        result = glob(p, patterns)
-        if result: break
-
-    return result
-
-#   
-#   #
-#   # Assuming 'child' is a subdirectory of 'parent', return the relative
-#   # path from 'parent' to 'child'
-#   #
-#   rule relative ( child parent )
-#   {
-#       if $(parent) = "." 
-#       {
-#           return $(child) ;
-#       }
-#       else 
-#       {       
-#           local split1 = [ regex.split $(parent) / ] ;
-#           local split2 = [ regex.split $(child) / ] ;
-#       
-#           while $(split1)
-#           {
-#               if $(split1[1]) = $(split2[1])
-#               {
-#                   split1 = $(split1[2-]) ;
-#                   split2 = $(split2[2-]) ;
-#               }
-#               else
-#               {
-#                   errors.error $(child) is not a subdir of $(parent) ;
-#               }                
-#           }    
-#           return [ join $(split2) ] ;    
-#       }    
-#   }
-#   
-#   # Returns the minimal path to path2 that is relative path1.
-#   #
-#   rule relative-to ( path1 path2 )
-#   {
-#       local root_1 = [ regex.split [ reverse $(path1) ] / ] ;
-#       local split1 = [ regex.split $(path1) / ] ;
-#       local split2 = [ regex.split $(path2) / ] ;
-#   
-#       while $(split1) && $(root_1)
-#       {
-#           if $(split1[1]) = $(split2[1])
-#           {
-#               root_1 = $(root_1[2-]) ;
-#               split1 = $(split1[2-]) ;
-#               split2 = $(split2[2-]) ;
-#           }
-#           else
-#           {
-#               split1 = ;
-#           }
-#       }
-#       return [ join . $(root_1) $(split2) ] ;
-#   }
-
-# Returns the list of paths which are used by the operating system
-# for looking up programs
-def programs_path ():
-    raw = []
-    names = ['PATH', 'Path', 'path']
-    
-    for name in names:
-        raw.append(os.environ.get (name, ''))
-    
-    result = []
-    for elem in raw:
-        if elem:
-            for p in elem.split(os.path.pathsep):
-                result.append(make(p))
-
-    return result
-
-#   rule make-NT ( native )
-#   {
-#       local tokens = [ regex.split $(native) "[/\\]" ] ;
-#       local result ;
-#   
-#       # Handle paths ending with slashes
-#       if $(tokens[-1]) = ""
-#       {
-#           tokens = $(tokens[1--2]) ; # discard the empty element
-#       }
-#   
-#       result = [ path.join $(tokens) ] ;
-#   
-#       if [ regex.match "(^.:)" : $(native)  ]
-#       {
-#           result = /$(result) ;
-#       }
-#       
-#       if $(native) = ""
-#       {
-#           result = "." ;
-#       }
-#           
-#       return $(result) ;
-#   }
-#   
-#   rule native-NT ( path )
-#   {
-#       local result = [ MATCH "^/?(.*)" : $(path) ] ;
-#       result = [ sequence.join [ regex.split $(result) "/" ] : "\\" ] ;
-#       return $(result) ;
-#   }
-#   
-#   rule make-CYGWIN ( path )
-#   {
-#       return [ make-NT $(path) ] ;
-#   }
-#   
-#   rule native-CYGWIN ( path )
-#   {
-#       local result = $(path) ;
-#       if [ regex.match "(^/.:)" : $(path)  ] # win absolute
-#       {
-#           result = [ MATCH "^/?(.*)" : $(path) ] ; # remove leading '/'
-#       }
-#       return [ native-UNIX $(result) ] ;
-#   }
-#   
-#   #
-#   # split-VMS: splits input native path into
-#   # device dir file (each part is optional),
-#   # example:
-#   #
-#   # dev:[dir]file.c => dev: [dir] file.c
-#   #
-#   rule split-path-VMS ( native )
-#   {
-#       local matches = [ MATCH ([a-zA-Z0-9_-]+:)?(\\[[^\]]*\\])?(.*)?$   : $(native) ] ;
-#       local device = $(matches[1]) ;
-#       local dir = $(matches[2]) ;
-#       local file = $(matches[3]) ;
-#   
-#       return $(device) $(dir) $(file) ;
-#   }
-#   
-#   #
-#   # Converts a native VMS path into a portable path spec.
-#   #
-#   # Does not handle current-device absolute paths such
-#   # as "[dir]File.c" as it is not clear how to represent
-#   # them in the portable path notation.
-#   #
-#   # Adds a trailing dot (".") to the file part if no extension
-#   # is present (helps when converting it back into native path).
-#   #
-#   rule make-VMS ( native )
-#   {
-#       if [ MATCH ^(\\[[a-zA-Z0-9]) : $(native) ]
-#       {
-#           errors.error "Can't handle default-device absolute paths: " $(native) ;
-#       }
-#           
-#       local parts = [ split-path-VMS $(native) ] ;
-#       local device = $(parts[1]) ;
-#       local dir = $(parts[2]) ;
-#       local file = $(parts[3]) ;
-#       local elems ;
-#       
-#       if $(device)
-#       {
-#           #
-#           # rooted
-#           #
-#           elems = /$(device) ;
-#       }
-#       
-#       if $(dir) = "[]"
-#       {
-#           #
-#           # Special case: current directory
-#           #
-#           elems = $(elems) "." ;
-#       }
-#       else if $(dir)
-#       {
-#           dir = [ regex.replace $(dir) "\\[|\\]" "" ] ;
-#           local dir_parts = [ regex.split $(dir) \\. ]  ;
-#       
-#           if $(dir_parts[1]) = ""
-#           {
-#               #
-#               # Relative path
-#               #
-#               dir_parts = $(dir_parts[2--1]) ;
-#           }
-#           
-#           #
-#           # replace "parent-directory" parts (- => ..)
-#           #
-#           dir_parts = [ regex.replace-list $(dir_parts) : - : .. ] ;
-#           
-#           elems = $(elems) $(dir_parts) ;
-#       }
-#       
-#       if $(file)
-#       {
-#           if ! [ MATCH (\\.) : $(file) ]
-#           {
-#               #
-#               # Always add "." to end of non-extension file
-#               #
-#               file = $(file). ;
-#           }
-#           elems = $(elems) $(file) ;
-#       }
-#   
-#       local portable = [ path.join $(elems) ] ;
-#   
-#       return $(portable) ;
-#   }
-#   
-#   #
-#   # Converts a portable path spec into a native VMS path.
-#   #
-#   # Relies on having at least one dot (".") included in the file
-#   # name to be able to differentiate it ftom the directory part.
-#   #
-#   rule native-VMS ( path )
-#   {
-#       local device = "" ;
-#       local dir = $(path) ;
-#       local file = "" ;
-#       local native ;
-#       local split ;
-#   
-#       #
-#       # Has device ?
-#       #
-#       if [ is-rooted $(dir) ]
-#       {
-#           split = [ MATCH ^/([^:]+:)/?(.*) : $(dir) ] ;
-#           device = $(split[1]) ;
-#           dir = $(split[2]) ;
-#       }
-#   
-#       #
-#       # Has file ?
-#       #
-#       # This is no exact science, just guess work:
-#       #
-#       # If the last part of the current path spec
-#       # includes some chars, followed by a dot,
-#       # optionally followed by more chars -
-#       # then it is a file (keep your fingers crossed).
-#       #
-#       split = [ regex.split $(dir) / ] ;
-#       local maybe_file = $(split[-1]) ;
-#   
-#       if [ MATCH ^([^.]+\\..*) : $(maybe_file) ]
-#       {
-#           file = $(maybe_file) ;
-#           dir = [ sequence.join $(split[1--2]) : / ] ;
-#       }
-#       
-#       #
-#       # Has dir spec ?
-#       #
-#       if $(dir) = "."
-#       {
-#           dir = "[]" ;
-#       }
-#       else if $(dir)
-#       {
-#           dir = [ regex.replace $(dir) \\.\\. - ] ;
-#           dir = [ regex.replace $(dir) / . ] ;
-#   
-#           if $(device) = ""
-#           {
-#               #
-#               # Relative directory
-#               # 
-#               dir = "."$(dir) ;
-#           }
-#           dir = "["$(dir)"]" ;
-#       }
-#       
-#       native = [ sequence.join $(device) $(dir) $(file) ] ;
-#   
-#       return $(native) ;
-#   }
-#   
-#   
-#   rule __test__ ( ) {
-#   
-#       import assert ;
-#       import errors : try catch ;
-#   
-#       assert.true is-rooted "/" ;
-#       assert.true is-rooted "/foo" ;
-#       assert.true is-rooted "/foo/bar" ;
-#       assert.result : is-rooted "." ;
-#       assert.result : is-rooted "foo" ;
-#       assert.result : is-rooted "foo/bar" ;
-#   
-#       assert.true has-parent "foo" ;
-#       assert.true has-parent "foo/bar" ;
-#       assert.true has-parent "." ;
-#       assert.result : has-parent "/" ;
-#   
-#       assert.result "." : basename "." ;
-#       assert.result ".." : basename ".." ;
-#       assert.result "foo" : basename "foo" ;
-#       assert.result "foo" : basename "bar/foo" ;
-#       assert.result "foo" : basename "gaz/bar/foo" ;
-#       assert.result "foo" : basename "/gaz/bar/foo" ;
-#   
-#       assert.result "." : parent "foo" ;
-#       assert.result "/" : parent "/foo" ;
-#       assert.result "foo/bar" : parent "foo/bar/giz" ;
-#       assert.result ".." : parent "." ;
-#       assert.result ".." : parent "../foo" ;
-#       assert.result "../../foo" : parent "../../foo/bar" ;
-#   
-#   
-#       assert.result "." : reverse "." ;
-#       assert.result ".." : reverse "foo" ;
-#       assert.result "../../.." : reverse "foo/bar/giz" ;
-#   
-#       assert.result "foo" : join "foo" ;
-#       assert.result "/foo" : join "/" "foo" ;
-#       assert.result "foo/bar" : join "foo" "bar" ;
-#       assert.result "foo/bar" : join "foo/giz" "../bar" ;
-#       assert.result "foo/giz" : join "foo/bar/baz" "../../giz" ;
-#       assert.result ".." : join "." ".." ;
-#       assert.result ".." : join "foo" "../.." ;
-#       assert.result "../.." : join "../foo" "../.." ;
-#       assert.result "/foo" : join "/bar" "../foo" ;
-#       assert.result "foo/giz" : join "foo/giz" "." ;
-#       assert.result "." : join lib2 ".." ;
-#       assert.result "/" : join "/a" ".." ;
-#   
-#       assert.result /a/b : join /a/b/c .. ;
-#   
-#       assert.result "foo/bar/giz" : join "foo" "bar" "giz" ;
-#       assert.result "giz" : join "foo" ".." "giz" ;
-#       assert.result "foo/giz" : join "foo" "." "giz" ;
-#   
-#       try ;
-#       {
-#           join "a" "/b" ;
-#       }
-#       catch only first element may be rooted ;
-#   
-#       local CWD = "/home/ghost/build" ;
-#       assert.result : all-parents . : . : $(CWD) ;
-#       assert.result . .. ../.. ../../..  : all-parents "Jamfile" : "" : $(CWD) ;
-#       assert.result foo . .. ../.. ../../.. : all-parents "foo/Jamfile" : "" : $(CWD) ;
-#       assert.result ../Work .. ../.. ../../.. : all-parents "../Work/Jamfile" : "" : $(CWD) ;
-#   
-#       local CWD = "/home/ghost" ;
-#       assert.result . .. : all-parents "Jamfile" : "/home" : $(CWD) ;
-#       assert.result . : all-parents "Jamfile" : "/home/ghost" : $(CWD) ;
-#       
-#       assert.result "c/d" : relative "a/b/c/d" "a/b" ;
-#       assert.result "foo" : relative "foo" "." ;
-#   
-#       local save-os = [ modules.peek path : os ] ;
-#       modules.poke path : os : NT ;
-#   
-#       assert.result "foo/bar/giz" : make "foo/bar/giz" ;
-#       assert.result "foo/bar/giz" : make "foo\\bar\\giz" ;
-#       assert.result "foo" : make "foo/." ;
-#       assert.result "foo" : make "foo/bar/.." ;
-#       assert.result "/D:/My Documents" : make "D:\\My Documents" ;
-#       assert.result "/c:/boost/tools/build/new/project.jam" : make "c:\\boost\\tools\\build\\test\\..\\new\\project.jam" ;
-#   
-#       assert.result "foo\\bar\\giz" : native "foo/bar/giz" ;
-#       assert.result "foo" : native "foo" ;
-#       assert.result "D:\\My Documents\\Work" : native "/D:/My Documents/Work" ;
-#   
-#       modules.poke path : os : UNIX ;
-#   
-#       assert.result "foo/bar/giz" : make "foo/bar/giz" ;
-#       assert.result "/sub1" : make "/sub1/." ;
-#       assert.result "/sub1" : make "/sub1/sub2/.." ;    
-#       assert.result "sub1" : make "sub1/." ;
-#       assert.result "sub1" : make "sub1/sub2/.." ;
-#       assert.result "/foo/bar" : native "/foo/bar" ;
-#   
-#       modules.poke path : os : VMS ;
-#   
-#       #
-#       # Don't really need to poke os before these
-#       #
-#       assert.result "disk:" "[dir]"  "file" : split-path-VMS "disk:[dir]file" ;
-#       assert.result "disk:" "[dir]"  ""     : split-path-VMS "disk:[dir]" ;
-#       assert.result "disk:" ""     ""       : split-path-VMS "disk:" ;
-#       assert.result "disk:" ""     "file"   : split-path-VMS "disk:file" ;
-#       assert.result ""      "[dir]"  "file" : split-path-VMS "[dir]file" ;
-#       assert.result ""      "[dir]"  ""     : split-path-VMS "[dir]" ;
-#       assert.result ""      ""     "file"   : split-path-VMS "file" ;
-#       assert.result ""      ""     ""       : split-path-VMS "" ;
-#   
-#       #
-#       # Special case: current directory
-#       #
-#       assert.result ""      "[]"     ""     : split-path-VMS "[]" ;
-#       assert.result "disk:" "[]"     ""     : split-path-VMS "disk:[]" ;
-#       assert.result ""      "[]"     "file" : split-path-VMS "[]file" ;
-#       assert.result "disk:" "[]"     "file" : split-path-VMS "disk:[]file" ;
-#   
-#       #
-#       # Make portable paths
-#       #
-#       assert.result "/disk:" : make "disk:" ;
-#       assert.result "foo/bar/giz" : make "[.foo.bar.giz]" ;
-#       assert.result "foo" : make "[.foo]" ;
-#       assert.result "foo" : make "[.foo.bar.-]" ;
-#       assert.result ".." : make "[.-]" ;
-#       assert.result ".." : make "[-]" ;
-#       assert.result "." : make "[]" ;
-#       assert.result "giz.h" : make "giz.h" ;
-#       assert.result "foo/bar/giz.h" : make "[.foo.bar]giz.h" ;
-#       assert.result "/disk:/my_docs" : make "disk:[my_docs]" ;
-#       assert.result "/disk:/boost/tools/build/new/project.jam" : make "disk:[boost.tools.build.test.-.new]project.jam" ;
-#   
-#       #
-#       # Special case (adds '.' to end of file w/o extension to
-#       # disambiguate from directory in portable path spec).
-#       #
-#       assert.result "Jamfile." : make "Jamfile" ;
-#       assert.result "dir/Jamfile." : make "[.dir]Jamfile" ;
-#       assert.result "/disk:/dir/Jamfile." : make "disk:[dir]Jamfile" ;
-#   
-#       #
-#       # Make native paths
-#       #
-#       assert.result "disk:" : native "/disk:" ;
-#       assert.result "[.foo.bar.giz]" : native "foo/bar/giz" ;
-#       assert.result "[.foo]" : native "foo" ;
-#       assert.result "[.-]" : native ".." ;
-#       assert.result "[.foo.-]" : native "foo/.." ;
-#       assert.result "[]" : native "." ;
-#       assert.result "disk:[my_docs.work]" : native "/disk:/my_docs/work" ;
-#       assert.result "giz.h" : native "giz.h" ;
-#       assert.result "disk:Jamfile." : native "/disk:Jamfile." ;
-#       assert.result "disk:[my_docs.work]Jamfile." : native "/disk:/my_docs/work/Jamfile." ;
-#   
-#       modules.poke path : os : $(save-os) ;
-#   
-#   }
-
-#
-
-
-#def glob(dir, patterns):
-#    result = []
-#    for pattern in patterns:
-#        result.extend(builtin_glob(os.path.join(dir, pattern)))
-#    return result
-
-def glob(dirs, patterns, exclude_patterns=None):
-    """Returns the list of files matching the given pattern in the
-    specified directory.  Both directories and patterns are 
-    supplied as portable paths. Each pattern should be non-absolute
-    path, and can't contain '.' or '..' elements. Each slash separated
-    element of pattern can contain the following special characters:
-    -  '?', which match any character
-    -  '*', which matches arbitrary number of characters.
-    A file $(d)/e1/e2/e3 (where 'd' is in $(dirs)) matches pattern p1/p2/p3
-    if and only if e1 matches p1, e2 matches p2 and so on.
-    For example: 
-        [ glob . : *.cpp ] 
-        [ glob . : */build/Jamfile ]
-    """
-
-    assert(isinstance(patterns, list))
-    assert(isinstance(dirs, list))
-
-    if not exclude_patterns:
-        exclude_patterns = []
-    else:
-       assert(isinstance(exclude_patterns, list))
-
-    real_patterns = [os.path.join(d, p) for p in patterns for d in dirs]    
-    real_exclude_patterns = [os.path.join(d, p) for p in exclude_patterns
-                             for d in dirs]
-
-    inc = [os.path.normpath(name) for p in real_patterns
-           for name in builtin_glob(p)]
-    exc = [os.path.normpath(name) for p in real_exclude_patterns
-           for name in builtin_glob(p)]
-    return [x for x in inc if x not in exc]
-
-def glob_tree(roots, patterns, exclude_patterns=None):
-    """Recursive version of GLOB. Builds the glob of files while
-    also searching in the subdirectories of the given roots. An
-    optional set of exclusion patterns will filter out the
-    matching entries from the result. The exclusions also apply
-    to the subdirectory scanning, such that directories that
-    match the exclusion patterns will not be searched."""
-
-    if not exclude_patterns:
-        exclude_patterns = []
-
-    result = glob(roots, patterns, exclude_patterns)
-    subdirs = [s for s in glob(roots, ["*"]) if s != "." and s != ".." and os.path.isdir(s)]
-    if subdirs:
-        result.extend(glob_tree(subdirs, patterns, exclude_patterns))
-        
-    return result
-
-def glob_in_parents(dir, patterns, upper_limit=None):
-    """Recursive version of GLOB which glob sall parent directories
-    of dir until the first match is found. Returns an empty result if no match
-    is found"""    
-    
-    assert(isinstance(dir, str))
-    assert(isinstance(patterns, list))
-
-    result = []
-
-    absolute_dir = os.path.join(os.getcwd(), dir)
-    absolute_dir = os.path.normpath(absolute_dir)
-    while absolute_dir:
-        new_dir = os.path.split(absolute_dir)[0]
-        if new_dir == absolute_dir:
-            break
-        result = glob([new_dir], patterns)
-        if result:
-            break
-        absolute_dir = new_dir
-
-    return result
-
-
-# The relpath functionality is written by
-# Cimarron Taylor
-def split(p, rest=[]):
-    (h,t) = os.path.split(p)
-    if len(h) < 1: return [t]+rest
-    if len(t) < 1: return [h]+rest
-    return split(h,[t]+rest)
-
-def commonpath(l1, l2, common=[]):
-    if len(l1) < 1: return (common, l1, l2)
-    if len(l2) < 1: return (common, l1, l2)
-    if l1[0] != l2[0]: return (common, l1, l2)
-    return commonpath(l1[1:], l2[1:], common+[l1[0]])
-
-def relpath(p1, p2):
-    (common,l1,l2) = commonpath(split(p1), split(p2))
-    p = []
-    if len(l1) > 0:
-        p = [ '../' * len(l1) ]
-    p = p + l2
-    if p:
-        return os.path.join( *p )
-    else:
-        return "."