site_scons/site_init.py

   1 # Copyright (c) 2013, 2015-2017 ARM Limited
   2 # All rights reserved.
   3 #
   4 # The license below extends only to copyright in the software and shall
   5 # not be construed as granting a license to any other intellectual
   6 # property including but not limited to intellectual property relating
   7 # to a hardware implementation of the functionality of the software
   8 # licensed hereunder.  You may use the software subject to the license
   9 # terms below provided that you ensure that this notice is replicated
  10 # unmodified and in its entirety in all distributions of the software,
  11 # modified or unmodified, in source code or in binary form.
  12 #
  13 # Copyright (c) 2011 Advanced Micro Devices, Inc.
  14 # Copyright (c) 2009 The Hewlett-Packard Development Company
  15 # Copyright (c) 2004-2005 The Regents of The University of Michigan
  16 # All rights reserved.
  17 #
  18 # Redistribution and use in source and binary forms, with or without
  19 # modification, are permitted provided that the following conditions are
  20 # met: redistributions of source code must retain the above copyright
  21 # notice, this list of conditions and the following disclaimer;
  22 # redistributions in binary form must reproduce the above copyright
  23 # notice, this list of conditions and the following disclaimer in the
  24 # documentation and/or other materials provided with the distribution;
  25 # neither the name of the copyright holders nor the names of its
  26 # contributors may be used to endorse or promote products derived from
  27 # this software without specific prior written permission.
  28 #
  29 # THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  30 # "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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  39 # OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  40
  41 from __future__ import print_function
  42 from gem5_python_paths import extra_python_paths
  43
  44 # Check for recent-enough Python and SCons versions.
  45 try:
  46     # Really old versions of scons only take two options for the
  47     # function, so check once without the revision and once with the
  48     # revision, the first instance will fail for stuff other than
  49     # 0.98, and the second will fail for 0.98.0
  50     EnsureSConsVersion(0, 98)
  51     EnsureSConsVersion(0, 98, 1)
  52 except SystemExit, e:
  53     print("""
  54 For more details, see:
  55     http://gem5.org/Dependencies
  56 """)
  57     raise
  58
  59 # pybind11 requires python 2.7
  60 try:
  61     EnsurePythonVersion(2, 7)
  62 except SystemExit, e:
  63     print ("""
  64 You can use a non-default installation of the Python interpreter by
  65 rearranging your PATH so that scons finds the non-default 'python' and
  66 'python-config' first.
  67
  68 For more details, see:
  69     http://gem5.org/wiki/index.php/Using_a_non-default_Python_installation
  70 """)
  71     raise
  72
  73 sys.path[1:1] = extra_python_paths