2 files changed, 8 insertions, 0 deletions

diff --git a/arch/i386/Makefile b/arch/i386/Makefile
index 2d9d756fdd74..0677908dfa06 100644
--- a/arch/i386/Makefile
+++ b/arch/i386/Makefile
@@ -42,6 +42,10 @@ cflags-$(CONFIG_REGPARM) += -mregparm=3
 # temporary until string.h is fixed
 cflags-y += -ffreestanding
 
+# this works around some issues with generating unwind tables in older gccs
+# newer gccs do it by default
+cflags-y += -maccumulate-outgoing-args
+
 # Disable unit-at-a-time mode on pre-gcc-4.0 compilers, it makes gcc use
 # a lot more stack due to the lack of sharing of stacklots:
 CFLAGS                          += $(shell if [ $(call cc-version) -lt 0400 ] ; then echo $(call cc-option,-fno-unit-at-a-time); fi ;)
diff --git a/arch/x86_64/Makefile b/arch/x86_64/Makefile
index 1c0f18d4f887..13972148058d 100644
--- a/arch/x86_64/Makefile
+++ b/arch/x86_64/Makefile
@@ -54,6 +54,10 @@ endif
 cflags-y += $(call cc-option,-funit-at-a-time)
 # prevent gcc from generating any FP code by mistake
 cflags-y += $(call cc-option,-mno-sse -mno-mmx -mno-sse2 -mno-3dnow,)
+# this works around some issues with generating unwind tables in older gccs
+# newer gccs do it by default
+cflags-y += -maccumulate-outgoing-args
+
 # do binutils support CFI?
 cflags-y += $(call as-instr,.cfi_startproc\n.cfi_endproc,-DCONFIG_AS_CFI=1,)
 AFLAGS += $(call as-instr,.cfi_startproc\n.cfi_endproc,-DCONFIG_AS_CFI=1,)