* [PATCH kvm-unit-tests] autodetect -Wno-frame-address
@ 2016-10-25 15:06 Paolo Bonzini
0 siblings, 0 replies; only message in thread
From: Paolo Bonzini @ 2016-10-25 15:06 UTC (permalink / raw)
To: kvm; +Cc: lprosek, rkrcmar
Not all targets have -Wframe-address, and those that don't will
report an error if -Wno-frame-address is passed (because of -Werror).
So autodetect it.
---
Makefile | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/Makefile b/Makefile
index 0ffe234..5201472 100644
--- a/Makefile
+++ b/Makefile
@@ -45,14 +45,16 @@ cc-option = $(shell if $(CC) $(1) -S -o /dev/null -xc /dev/null \
> /dev/null 2>&1; then echo "$(1)"; else echo "$(2)"; fi ;)
CFLAGS += -g
-CFLAGS += $(autodepend-flags) -Wall -Werror -Wno-frame-address
+CFLAGS += $(autodepend-flags) -Wall -Werror
frame-pointer-flag=-f$(if $(KEEP_FRAME_POINTER),no-,)omit-frame-pointer
fomit_frame_pointer := $(call cc-option, $(frame-pointer-flag), "")
fnostack_protector := $(call cc-option, -fno-stack-protector, "")
fnostack_protector_all := $(call cc-option, -fno-stack-protector-all, "")
+wno_frame_address := $(call cc-option, -Wno-frame-address, "")
CFLAGS += $(fomit_frame_pointer)
CFLAGS += $(fno_stack_protector)
CFLAGS += $(fno_stack_protector_all)
+CFLAGS += $(wno_frame_address)
CXXFLAGS += $(CFLAGS)
--
1.8.3.1
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