diff options
Diffstat (limited to 'arch/arc/Makefile')
-rw-r--r-- | arch/arc/Makefile | 7 |
1 files changed, 2 insertions, 5 deletions
diff --git a/arch/arc/Makefile b/arch/arc/Makefile index 601ed173080b..aa82d13d4213 100644 --- a/arch/arc/Makefile +++ b/arch/arc/Makefile @@ -47,7 +47,6 @@ endif upto_gcc44 := $(call cc-ifversion, -le, 0404, y) atleast_gcc44 := $(call cc-ifversion, -ge, 0404, y) -atleast_gcc48 := $(call cc-ifversion, -ge, 0408, y) cflags-$(atleast_gcc44) += -fsection-anchors @@ -66,10 +65,8 @@ endif endif -# By default gcc 4.8 generates dwarf4 which kernel unwinder can't grok -ifeq ($(atleast_gcc48),y) -cflags-$(CONFIG_ARC_DW2_UNWIND) += -gdwarf-2 -endif +cfi := $(call as-instr,.cfi_startproc\n.cfi_endproc,-DARC_DW2_UNWIND_AS_CFI) +cflags-$(CONFIG_ARC_DW2_UNWIND) += -fasynchronous-unwind-tables $(cfi) ifndef CONFIG_CC_OPTIMIZE_FOR_SIZE # Generic build system uses -O2, we want -O3 |