From 958ba94773af71ad6ee87a0be93b8b60ad679b3f Mon Sep 17 00:00:00 2001
From: kib <kib@FreeBSD.org>
Date: Fri, 22 Aug 2008 09:23:39 +0000
Subject: Add -fno-omit-frame-pointer to CFLAGS used to compile crt1.c on
 amd64.

For gcc' __builtin_frame_address() to work, all call frames need to save
frame pointer. In particular, this is important for the upper frame that
should terminate the chain.

No objections from:	jhb
PR:	amd64/126543
MFC after:	1 week
---
 lib/csu/amd64/Makefile | 1 +
 1 file changed, 1 insertion(+)

diff --git a/lib/csu/amd64/Makefile b/lib/csu/amd64/Makefile
index 4b51e6b..71ccd67 100644
--- a/lib/csu/amd64/Makefile
+++ b/lib/csu/amd64/Makefile
@@ -7,6 +7,7 @@ OBJS=		${SRCS:N*.h:R:S/$/.o/g}
 OBJS+=		gcrt1.o
 CFLAGS+=	-I${.CURDIR}/../common \
 		-I${.CURDIR}/../../libc/include
+CFLAGS+=	-fno-omit-frame-pointer
 
 all: ${OBJS}
 
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