Building with gcc v9 causes lots of warnings about pointers to packed variables. However, SeaBIOS is limited to x86 where unaligned reads/writes are supported by the cpu. So, disable that warning.
Signed-off-by: Kevin O'Connor kevin@koconnor.net --- Makefile | 1 + 1 file changed, 1 insertion(+)
diff --git a/Makefile b/Makefile index d16d1ae..5f7d537 100644 --- a/Makefile +++ b/Makefile @@ -68,6 +68,7 @@ COMMONCFLAGS += $(call cc-option,$(CC),-fno-pie,) COMMONCFLAGS += $(call cc-option,$(CC),-fno-stack-protector,) COMMONCFLAGS += $(call cc-option,$(CC),-fno-stack-protector-all,) COMMONCFLAGS += $(call cc-option,$(CC),-fstack-check=no,) +COMMONCFLAGS += $(call cc-option,$(CC),-Wno-address-of-packed-member,) COMMA := ,
CFLAGS32FLAT := $(COMMONCFLAGS) -DMODE16=0 -DMODESEGMENT=0
On 8/21/19 3:21 PM, Kevin O'Connor wrote:
Building with gcc v9 causes lots of warnings about pointers to packed variables. However, SeaBIOS is limited to x86 where unaligned reads/writes are supported by the cpu. So, disable that warning.
Signed-off-by: Kevin O'Connor kevin@koconnor.net
Reviewed-by: Philippe Mathieu-Daudé philmd@redhat.com
Makefile | 1 + 1 file changed, 1 insertion(+)
diff --git a/Makefile b/Makefile index d16d1ae..5f7d537 100644 --- a/Makefile +++ b/Makefile @@ -68,6 +68,7 @@ COMMONCFLAGS += $(call cc-option,$(CC),-fno-pie,) COMMONCFLAGS += $(call cc-option,$(CC),-fno-stack-protector,) COMMONCFLAGS += $(call cc-option,$(CC),-fno-stack-protector-all,) COMMONCFLAGS += $(call cc-option,$(CC),-fstack-check=no,) +COMMONCFLAGS += $(call cc-option,$(CC),-Wno-address-of-packed-member,) COMMA := ,
CFLAGS32FLAT := $(COMMONCFLAGS) -DMODE16=0 -DMODESEGMENT=0
On Wed, Aug 21, 2019 at 03:55:16PM +0200, Philippe Mathieu-Daudé wrote:
On 8/21/19 3:21 PM, Kevin O'Connor wrote:
Building with gcc v9 causes lots of warnings about pointers to packed variables. However, SeaBIOS is limited to x86 where unaligned reads/writes are supported by the cpu. So, disable that warning.
Signed-off-by: Kevin O'Connor kevin@koconnor.net
Reviewed-by: Philippe Mathieu-Daudé philmd@redhat.com
Thanks. I committed this patch.
-Kevin
-
Kevin O'Connor -
Philippe Mathieu-Daudé