|  | # Copyright (c) 2021 The Regents of the University of California | 
|  | # All Rights Reserved. | 
|  | # | 
|  | # Redistribution and use in source and binary forms, with or without | 
|  | # modification, are permitted provided that the following conditions are | 
|  | # met: redistributions of source code must retain the above copyright | 
|  | # notice, this list of conditions and the following disclaimer; | 
|  | # redistributions in binary form must reproduce the above copyright | 
|  | # notice, this list of conditions and the following disclaimer in the | 
|  | # documentation and/or other materials provided with the distribution; | 
|  | # neither the name of the copyright holders nor the names of its | 
|  | # contributors may be used to endorse or promote products derived from | 
|  | # this software without specific prior written permission. | 
|  | # | 
|  | # THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS | 
|  | # "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT | 
|  | # LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR | 
|  | # A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT | 
|  | # OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, | 
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|  | # OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | 
|  |  | 
|  | Import('*') | 
|  |  | 
|  | from gem5_scons import warning | 
|  |  | 
|  | import gem5_scons | 
|  |  | 
|  | with gem5_scons.Configure(main) as conf: | 
|  | have_shm_open = \ | 
|  | conf.CheckLibWithHeader([None, 'rt'], 'sys/mman.h', 'C', | 
|  | 'shm_open("/test", 0, 0);') | 
|  | if not have_shm_open: | 
|  | warning("Can't find library for sys/mman.") |