Source Code for Module SCons.Platform.aix

 1  """engine.SCons.Platform.aix 
 2   
 3  Platform-specific initialization for IBM AIX systems. 
 4   
 5  There normally shouldn't be any need to import this module directly.  It 
 6  will usually be imported through the generic SCons.Platform.Platform() 
 7  selection method. 
 8  """ 
 9   
10  # 
11  # Copyright (c) 2001 - 2019 The SCons Foundation 
12  # 
13  # Permission is hereby granted, free of charge, to any person obtaining 
14  # a copy of this software and associated documentation files (the 
15  # "Software"), to deal in the Software without restriction, including 
16  # without limitation the rights to use, copy, modify, merge, publish, 
17  # distribute, sublicense, and/or sell copies of the Software, and to 
18  # permit persons to whom the Software is furnished to do so, subject to 
19  # the following conditions: 
20  # 
21  # The above copyright notice and this permission notice shall be included 
22  # in all copies or substantial portions of the Software. 
23  # 
24  # THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY 
25  # KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE 
26  # WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND 
27  # NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE 
28  # LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION 
29  # OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION 
30  # WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. 
31  # 
32   
33  __revision__ = "src/engine/SCons/Platform/aix.py 3a41ed6b288cee8d085373ad7fa02894e1903864 2019-01-23 17:30:35 bdeegan" 
34   
35  import os 
36  import subprocess 
37   
38  from . import posix 
39   
40  import SCons.Util 
41  import SCons.Action 
42   
43 -def get_xlc(env, xlc=None, packages=[]): 
44      # Use the AIX package installer tool lslpp to figure out where a 
45      # given xl* compiler is installed and what version it is. 
46      xlcPath = None 
47      xlcVersion = None 
48   
49      if xlc is None: 
50          xlc = env.get('CC', 'xlc') 
51      if SCons.Util.is_List(xlc): 
52          xlc = xlc[0] 
53      for package in packages: 
54          # find the installed filename, which may be a symlink as well 
55          pipe = SCons.Action._subproc(env, ['lslpp', '-fc', package], 
56                  stdin = 'devnull', 
57                  stderr = 'devnull', 
58                  stdout = subprocess.PIPE) 
59          # output of lslpp is something like this: 
60          #     #Path:Fileset:File 
61          #     /usr/lib/objrepos:vac.C 6.0.0.0:/usr/vac/exe/xlCcpp 
62          #     /usr/lib/objrepos:vac.C 6.0.0.0:/usr/vac/bin/xlc_r -> /usr/vac/bin/xlc 
63          for line in pipe.stdout: 
64              if xlcPath: 
65                  continue # read everything to let lslpp terminate 
66              fileset, filename = line.split(':')[1:3] 
67              filename = filename.split()[0] 
68              if ('/' in xlc and filename == xlc) \ 
69              or ('/' not in xlc and filename.endswith('/' + xlc)): 
70                  xlcVersion = fileset.split()[1] 
71                  xlcPath, sep, xlc = filename.rpartition('/') 
72              pass 
73          pass 
74      return (xlcPath, xlc, xlcVersion) 
75   
76 -def generate(env): 
77      posix.generate(env) 
78      #Based on AIX 5.2: ARG_MAX=24576 - 3000 for environment expansion 
79      env['MAXLINELENGTH']  = 21576 
80   
81  # Local Variables: 
82  # tab-width:4 
83  # indent-tabs-mode:nil 
84  # End: 
85  # vim: set expandtab tabstop=4 shiftwidth=4: 
86