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# Copyright (c) 2013, 2015-2017 ARM Limited
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# Copyright (c) 2011 Advanced Micro Devices, Inc.
# Copyright (c) 2009 The Hewlett-Packard Development Company
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from __future__ import print_function
# Check for recent-enough Python and SCons versions.
try:
EnsureSConsVersion(3, 0, 0)
except SystemExit as e:
print("""
For more details, see:
http://gem5.org/documentation/general_docs/building
""")
raise
# Check for the python version. Python 2 is no longer supported.
try:
EnsurePythonVersion(3, 6)
except SystemExit as e:
print("""\033[93m
Python 3 is now required.
The following are steps to compile gem5 in Python 3 environment,
*Step 1*: ensure Python 3 is installed. On Ubuntu like systems, you can try \
this command:
sudo apt-get install python3 python3-six python-is-python3 python3-pydot
To run Python 3 from a container, you can try the Docker files in \
util/dockerfiles folder.
*Step 2*: ensure that scons is run in the Python 3 environment. If scons \
isn't run automatically with Python 3, you can force it by replacing `scons` \
by the following phrase,
/usr/bin/env python3 $(which scons)
For example, the following command will let scons compile gem5/X86 in the \
Python 3 environment,
/usr/bin/env python3 $(which scons) build/X86/gem5.opt
(Optional) For convenience reasons, you can set up an alias for the Python3 \
scons phrase in your environment. \033[0m
""")
raise
from gem5_python_paths import extra_python_paths
sys.path[1:1] = extra_python_paths