git: ed05f8fbeae7 - stable/13 - kernel: Disable errors for -Walloca-larger-than for GCC.
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Date: Tue, 10 May 2022 23:24:05 UTC
The branch stable/13 has been updated by jhb:
URL: https://cgit.FreeBSD.org/src/commit/?id=ed05f8fbeae7eb63cc1e69c40b2a1351d4d42b52
commit ed05f8fbeae7eb63cc1e69c40b2a1351d4d42b52
Author: John Baldwin <jhb@FreeBSD.org>
AuthorDate: 2021-09-25 18:24:35 +0000
Commit: John Baldwin <jhb@FreeBSD.org>
CommitDate: 2022-05-10 22:51:49 +0000
kernel: Disable errors for -Walloca-larger-than for GCC.
GCC complains about the use of alloca() with variable sizes (for XSAVE
state len) in sendsig() for i386. Modern XSAVE state is probably
getting a bit large for the i386 kstack, but downgrade the error to a
warning.
Reviewed by: kib, emaste
Differential Revision: https://reviews.freebsd.org/D31934
(cherry picked from commit e72c7e2738ca9f5893ba5e5e9dc120dfc82fabfd)
---
sys/conf/kern.mk | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/sys/conf/kern.mk b/sys/conf/kern.mk
index 476997bfa01f..34f3447b8572 100644
--- a/sys/conf/kern.mk
+++ b/sys/conf/kern.mk
@@ -72,7 +72,8 @@ CWARNEXTRA+= -Wno-error=memset-elt-size
CWARNEXTRA+= -Wno-error=packed-not-aligned
.endif
.if ${COMPILER_VERSION} >= 90100
-CWARNEXTRA+= -Wno-address-of-packed-member
+CWARNEXTRA+= -Wno-address-of-packed-member \
+ -Wno-error=alloca-larger-than=
.endif
.endif # gcc