298119e402
Applies the `pyupgrade` hook to all files in the repo. Change-Id: I9879c634a65c5fcaa9567c63bc5977ff97d5d3bf
120 lines
5.0 KiB
Python
120 lines
5.0 KiB
Python
# Copyright (c) 2013, 2015-2017 ARM Limited
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# All rights reserved.
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#
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# The license below extends only to copyright in the software and shall
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# not be construed as granting a license to any other intellectual
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# property including but not limited to intellectual property relating
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# to a hardware implementation of the functionality of the software
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# licensed hereunder. You may use the software subject to the license
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# terms below provided that you ensure that this notice is replicated
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# unmodified and in its entirety in all distributions of the software,
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# modified or unmodified, in source code or in binary form.
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#
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# Copyright (c) 2011 Advanced Micro Devices, Inc.
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# Copyright (c) 2009 The Hewlett-Packard Development Company
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# Copyright (c) 2004-2005 The Regents of The University of Michigan
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# All rights reserved.
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#
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# Redistribution and use in source and binary forms, with or without
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# modification, are permitted provided that the following conditions are
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# met: redistributions of source code must retain the above copyright
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# notice, this list of conditions and the following disclaimer;
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# redistributions in binary form must reproduce the above copyright
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# notice, this list of conditions and the following disclaimer in the
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# documentation and/or other materials provided with the distribution;
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# neither the name of the copyright holders nor the names of its
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# contributors may be used to endorse or promote products derived from
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# this software without specific prior written permission.
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#
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# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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import os
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from gem5_python_paths import extra_python_paths
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def EnvDefaults(env):
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# initialize the toolchain related env with host environment
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use_vars = {
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"AS",
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"AR",
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"CC",
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"CXX",
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"HOME",
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"CPATH",
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"LD_LIBRARY_PATH",
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"LIBRARY_PATH",
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"PATH",
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"PKG_CONFIG_PATH",
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"PROTOC",
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"PYTHONPATH",
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"RANLIB",
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"TERM", # for clang reports errors in color
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"PYTHON_CONFIG", # gem5 specific build env
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"CCFLAGS_EXTRA", # gem5 specific build env
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"GEM5PY_CCFLAGS_EXTRA", # gem5 specific build env
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"GEM5PY_LINKFLAGS_EXTRA", # gem5 specific build env
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"LINKFLAGS_EXTRA", # gem5 specific build env
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"LANG", # for work with non-ascii directory path
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"LC_CTYPE", # for work with non-ascii directory path
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"DISPLAY", # for gui program, ex kconfig guiconfig
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}
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use_prefixes = [
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"ASAN_", # address sanitizer symbolizer path and settings
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"CCACHE_", # ccache (caching compiler wrapper) configuration
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"CCC_", # clang static analyzer configuration
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"DISTCC_", # distcc (distributed compiler wrapper) config
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"INCLUDE_SERVER_", # distcc pump server settings
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"M5", # M5 configuration (e.g., path to kernels)
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"NIX_", # wrapped binaries if using nix package manager
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"TMPDIR", # default temporary directory
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]
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for key, val in sorted(os.environ.items()):
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if key in use_vars or any(
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[key.startswith(prefix) for prefix in use_prefixes]
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):
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env["ENV"][key] = val
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# These variables from the environment override/become SCons variables,
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# with a default if they weren't in the host environment.
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var_overrides = {
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"CC": env["CC"],
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"CXX": env["CXX"],
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"PROTOC": "protoc",
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"PYTHON_CONFIG": ["python3-config", "python-config"],
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"CCFLAGS_EXTRA": "",
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"GEM5PY_CCFLAGS_EXTRA": "",
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"GEM5PY_LINKFLAGS_EXTRA": "",
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"LINKFLAGS_EXTRA": "",
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}
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for key, default in var_overrides.items():
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env[key] = env["ENV"].get(key, default)
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# Tell scons to avoid implicit command dependencies to avoid issues
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# with the param wrappes being compiled twice (see
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# https://github.com/SCons/scons/issues/2811
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env["IMPLICIT_COMMAND_DEPENDENCIES"] = 0
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env.Decider("MD5-timestamp")
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# add useful python code PYTHONPATH so it can be used by subprocesses
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# as well
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env.AppendENVPath("PYTHONPATH", extra_python_paths)
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# Default duplicate option is to use hard links, but this messes up
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# when you use emacs to edit a file in the target dir, as emacs moves
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# file to file~ then copies to file, breaking the link. Symbolic
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# (soft) links work better.
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env.SetOption("duplicate", "soft-copy")
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