3 Tool-specific initialization for g++.
5 There normally shouldn't be any need to import this module directly.
6 It will usually be imported through the generic SCons.Tool.Tool()
12 # Copyright (c) 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008 The SCons Foundation
14 # Permission is hereby granted, free of charge, to any person obtaining
15 # a copy of this software and associated documentation files (the
16 # "Software"), to deal in the Software without restriction, including
17 # without limitation the rights to use, copy, modify, merge, publish,
18 # distribute, sublicense, and/or sell copies of the Software, and to
19 # permit persons to whom the Software is furnished to do so, subject to
20 # the following conditions:
22 # The above copyright notice and this permission notice shall be included
23 # in all copies or substantial portions of the Software.
25 # THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY
26 # KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE
27 # WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
28 # NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
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34 __revision__ = "src/engine/SCons/Tool/g++.py 3842 2008/12/20 22:59:52 scons"
43 cplusplus = __import__('c++', globals(), locals(), [])
48 """Add Builders and construction variables for g++ to an Environment."""
49 static_obj, shared_obj = SCons.Tool.createObjBuilders(env)
51 cplusplus.generate(env)
53 env['CXX'] = env.Detect(compilers)
55 # platform specific settings
56 if env['PLATFORM'] == 'aix':
57 env['SHCXXFLAGS'] = SCons.Util.CLVar('$CXXFLAGS -mminimal-toc')
58 env['STATIC_AND_SHARED_OBJECTS_ARE_THE_SAME'] = 1
59 env['SHOBJSUFFIX'] = '$OBJSUFFIX'
60 elif env['PLATFORM'] == 'hpux':
61 env['SHOBJSUFFIX'] = '.pic.o'
62 elif env['PLATFORM'] == 'sunos':
63 env['SHOBJSUFFIX'] = '.pic.o'
64 # determine compiler version
66 #pipe = SCons.Action._subproc(env, [env['CXX'], '-dumpversion'],
67 pipe = SCons.Action._subproc(env, [env['CXX'], '--version'],
70 stdout = subprocess.PIPE)
71 if pipe.wait() != 0: return
72 # -dumpversion was added in GCC 3.0. As long as we're supporting
73 # GCC versions older than that, we should use --version and a
75 #line = pipe.stdout.read().strip()
77 # env['CXXVERSION'] = line
78 line = pipe.stdout.readline()
79 match = re.search(r'[0-9]+(\.[0-9]+)+', line)
81 env['CXXVERSION'] = match.group(0)
84 return env.Detect(compilers)