1"""engine.SCons.Platform.aix 2 3Platform-specific initialization for IBM AIX systems. 4 5There normally shouldn't be any need to import this module directly. It 6will usually be imported through the generic SCons.Platform.Platform() 7selection method. 8""" 9 10# 11# Copyright (c) 2001 - 2016 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 rel_2.5.0:3543:937e55cd78f7 2016/04/09 11:29:54 bdbaddog" 34 35import os 36import subprocess 37 38import posix 39 40import SCons.Util 41import SCons.Action 42 43def 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 76def 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