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From: Andriy Gapon <avg@FreeBSD.org>
Date: Tue, 9 Jul 2013 08:42:02 +0000 (UTC)
To: src-committers@freebsd.org, svn-src-all@freebsd.org,
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Subject: svn commit: r253072 - head/sys/conf
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Author: avg
Date: Tue Jul  9 08:42:02 2013
New Revision: 253072
URL: http://svnweb.freebsd.org/changeset/base/253072

Log:
  amd64: use -mno-omit-leaf-frame-pointer in addition to -fno-omit-frame-pointer
  
  ... in kernel builds.  This is to make behavior of clang consistent with
  behavior of gcc.
  
  MFC after:	2 weeks

Modified:
  head/sys/conf/Makefile.amd64
  head/sys/conf/kmod.mk

Modified: head/sys/conf/Makefile.amd64
==============================================================================
--- head/sys/conf/Makefile.amd64	Tue Jul  9 08:40:05 2013	(r253071)
+++ head/sys/conf/Makefile.amd64	Tue Jul  9 08:42:02 2013	(r253072)
@@ -34,7 +34,7 @@ S=	../../..
 INCLUDES+= -I$S/contrib/libfdt
 
 .if !empty(DDB_ENABLED) || !empty(DTR_ENABLED) || !empty(HWPMC_ENABLED)
-CFLAGS+=	-fno-omit-frame-pointer
+CFLAGS+=	-fno-omit-frame-pointer -mno-omit-leaf-frame-pointer
 .endif
 
 MKMODULESENV+= MACHINE=amd64

Modified: head/sys/conf/kmod.mk
==============================================================================
--- head/sys/conf/kmod.mk	Tue Jul  9 08:40:05 2013	(r253071)
+++ head/sys/conf/kmod.mk	Tue Jul  9 08:42:02 2013	(r253072)
@@ -122,7 +122,7 @@ LDFLAGS+=	-d -warn-common
 
 CFLAGS+=	${DEBUG_FLAGS}
 .if ${MACHINE_CPUARCH} == amd64
-CFLAGS+=	-fno-omit-frame-pointer
+CFLAGS+=	-fno-omit-frame-pointer -mno-omit-leaf-frame-pointer
 .endif
 
 .if ${MACHINE_CPUARCH} == powerpc