3 # SCons - a Software Constructor
5 # Copyright (c) 2001, 2002 Steven Knight
7 # Permission is hereby granted, free of charge, to any person obtaining
8 # a copy of this software and associated documentation files (the
9 # "Software"), to deal in the Software without restriction, including
10 # without limitation the rights to use, copy, modify, merge, publish,
11 # distribute, sublicense, and/or sell copies of the Software, and to
12 # permit persons to whom the Software is furnished to do so, subject to
13 # the following conditions:
15 # The above copyright notice and this permission notice shall be included
16 # in all copies or substantial portions of the Software.
18 # THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY
19 # KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE
20 # WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
21 # NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
22 # LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
23 # OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
24 # WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
27 __revision__ = "__FILE__ __REVISION__ __DATE__ __DEVELOPER__"
33 # Strip the script directory from sys.path() so on case-insensitive
34 # (WIN32) systems Python doesn't think that the "scons" script is the
35 # "SCons" package. Replace it with our own library directories
36 # (version-specific first, in case they installed by hand there,
37 # followed by generic) so we pick up the right version of the build
38 # engine modules if they're in either directory.
40 selfdir = os.path.abspath(sys.argv[0])
41 if selfdir in sys.path:
42 sys.path.remove(selfdir)
46 if os.environ.has_key("SCONS_LIB_DIR"):
47 libs.append(os.environ["SCONS_LIB_DIR"])
49 if sys.platform == 'win32':
50 libs.extend([ os.path.join(sys.prefix, 'SCons-__VERSION__'),
51 os.path.join(sys.prefix, 'SCons') ])
55 _bin = os.path.join('', 'bin')
56 _usr = os.path.join('', 'usr')
57 _usr_local = os.path.join('', 'usr', 'local')
59 script_dir = sys.path[0]
61 if script_dir == 'bin':
62 prefs.append(os.getcwd())
64 if script_dir == '.' or script_dir == '':
65 script_dir = os.getcwd()
66 if script_dir[-len(_bin):] == _bin:
67 prefs.append(script_dir[:-len(_bin)])
69 if sys.prefix[-len(_usr):] == _usr:
70 prefs.append(sys.prefix)
71 prefs.append(os.path.join(sys.prefix, "local"))
72 elif sys.prefix[-len(_usr_local):] == _usr_local:
73 _local = os.path.join('', 'local')
74 prefs.append(sys.prefix[:-len(_local)])
75 prefs.append(sys.prefix)
77 prefs.append(sys.prefix)
79 libs.extend(map(lambda x: os.path.join(x, 'lib', 'scons-__VERSION__'), prefs))
80 libs.extend(map(lambda x: os.path.join(x, 'lib', 'scons'), prefs))
82 sys.path = libs + sys.path[1:]