Hoa Nguyen has submitted this change. (
https://gem5-review.googlesource.com/c/public/gem5/+/47659 )
Change subject: scons: Explicitly add librt to scons
......................................................................
scons: Explicitly add librt to scons
gem5 uses the `shm_open()` funciton from <sys/mman.h>.
This function requires linking to librt.
JIRA: https://gem5.atlassian.net/browse/GEM5-1015
Change-Id: I461400e3cb7474a80a995b264af2e03b19fea29c
Signed-off-by: Hoa Nguyen <hoangu...@ucdavis.edu>
Reviewed-on: https://gem5-review.googlesource.com/c/public/gem5/+/47659
Reviewed-by: Jason Lowe-Power <power...@gmail.com>
Reviewed-by: Gabe Black <gabe.bl...@gmail.com>
Maintainer: Jason Lowe-Power <power...@gmail.com>
Tested-by: kokoro <noreply+kok...@google.com>
---
A src/mem/SConsopts
1 file changed, 38 insertions(+), 0 deletions(-)
Approvals:
Jason Lowe-Power: Looks good to me, approved; Looks good to me, approved
Gabe Black: Looks good to me, approved
kokoro: Regressions pass
diff --git a/src/mem/SConsopts b/src/mem/SConsopts
new file mode 100644
index 0000000..7d6ef35
--- /dev/null
+++ b/src/mem/SConsopts
@@ -0,0 +1,38 @@
+# 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,
+# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+# 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.")
--
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Gerrit-Project: public/gem5
Gerrit-Branch: develop
Gerrit-Change-Id: I461400e3cb7474a80a995b264af2e03b19fea29c
Gerrit-Change-Number: 47659
Gerrit-PatchSet: 9
Gerrit-Owner: Hoa Nguyen <hoangu...@ucdavis.edu>
Gerrit-Reviewer: Gabe Black <gabe.bl...@gmail.com>
Gerrit-Reviewer: Hoa Nguyen <hoangu...@ucdavis.edu>
Gerrit-Reviewer: Jason Lowe-Power <power...@gmail.com>
Gerrit-Reviewer: kokoro <noreply+kok...@google.com>
Gerrit-MessageType: merged
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