From: Matthias Urlichs Frame pointers are supposed to enable debuggers to reliably tell where a call comes from. That is defeated by GCC's sibling call optimization (aka tail recursion elimination). This patch turns this optimization off when compiling with frame pointers. Signed-Off-By: Matthias Urlichs Signed-off-by: Andrew Morton --- Makefile | 2 +- 1 files changed, 1 insertion(+), 1 deletion(-) diff -puN Makefile~turn-off-sibling-call-optimization-w-frame-pointers Makefile --- 25/Makefile~turn-off-sibling-call-optimization-w-frame-pointers Fri May 20 16:50:41 2005 +++ 25-akpm/Makefile Fri May 20 16:50:41 2005 @@ -518,7 +518,7 @@ CFLAGS += $(call add-align,CONFIG_CC_AL CFLAGS += $(call add-align,CONFIG_CC_ALIGN_JUMPS,-jumps) ifdef CONFIG_FRAME_POINTER -CFLAGS += -fno-omit-frame-pointer +CFLAGS += -fno-omit-frame-pointer $(call cc-option,-fno-optimize-sibling-calls,) else CFLAGS += -fomit-frame-pointer endif _