Gabe Black has uploaded this change for review. (
https://gem5-review.googlesource.com/c/public/gem5/+/48646 )
Change subject: scons: Disable the free-nonheap-object warning for gcc.
......................................................................
scons: Disable the free-nonheap-object warning for gcc.
g++ 11.1 has a false positive in the systemc kernel for
free-nonheap-object which breaks the build. The check sees that an
EventWrapper is part of the systemc scheduler object, and doesn't
realize that it was *not* set to autodelete, and so would *not* delete
itself (as part of the scheduler) when it is descheduled.
Change-Id: Ia9f48f2113e8c165923e55d7db1442b11bb6a2e8
---
M SConstruct
1 file changed, 4 insertions(+), 0 deletions(-)
diff --git a/SConstruct b/SConstruct
index ea86cc0..d9d4757 100755
--- a/SConstruct
+++ b/SConstruct
@@ -355,6 +355,10 @@
error('gcc version 5 or newer required.\n'
'Installed version:', main['CXXVERSION'])
+ with gem5_scons.Configure(main) as conf:
+ # This detects a false positive in the systemc code in g++ 11.1.
+ conf.CheckCxxFlag('-Wno-free-nonheap-object')
+
# Add the appropriate Link-Time Optimization (LTO) flags if
`--with-lto` is
# set.
if GetOption('with_lto'):
--
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Gerrit-Project: public/gem5
Gerrit-Branch: develop
Gerrit-Change-Id: Ia9f48f2113e8c165923e55d7db1442b11bb6a2e8
Gerrit-Change-Number: 48646
Gerrit-PatchSet: 1
Gerrit-Owner: Gabe Black <gabe.bl...@gmail.com>
Gerrit-MessageType: newchange
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