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Re: [PATCH 6/6] xen: Enable -Wwrite-strings
- To: xen-devel@xxxxxxxxxxxxxxxxxxxx
- From: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
- Date: Mon, 20 Nov 2023 23:03:35 +0000
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- Delivery-date: Mon, 20 Nov 2023 23:03:43 +0000
- List-id: Xen developer discussion <xen-devel.lists.xenproject.org>
On 20/11/2023 10:49 pm, Andrew Cooper wrote:
> The codebase is now -Wwrite-strings clean. Activate the option to cause
> string literals to have a const type, and prevent any violations of MISRA Rule
> 7.4 being reintroduced.
>
> Signed-off-by: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
> ---
> CC: Jan Beulich <JBeulich@xxxxxxxx>
> CC: Roger Pau Monné <roger.pau@xxxxxxxxxx>
> CC: Wei Liu <wl@xxxxxxx>
> CC: Stefano Stabellini <sstabellini@xxxxxxxxxx>
> CC: Julien Grall <julien@xxxxxxx>
> CC: Volodymyr Babchuk <Volodymyr_Babchuk@xxxxxxxx>
> CC: Bertrand Marquis <bertrand.marquis@xxxxxxx>
> CC: Michal Orzel <michal.orzel@xxxxxxx>
> CC: Roberto Bagnara <roberto.bagnara@xxxxxxxxxxx>
> CC: Nicola Vetrini <nicola.vetrini@xxxxxxxxxxx>
> ---
> xen/Makefile | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/xen/Makefile b/xen/Makefile
> index 7b869f4b3037..ca571103c868 100644
> --- a/xen/Makefile
> +++ b/xen/Makefile
> @@ -392,7 +392,7 @@ endif
> CFLAGS-$(CONFIG_CC_SPLIT_SECTIONS) += -ffunction-sections -fdata-sections
>
> CFLAGS += -nostdinc -fno-builtin -fno-common
> -CFLAGS += -Werror -Wredundant-decls -Wno-pointer-arith
> +CFLAGS += -Werror -Wredundant-decls -Wwrite-strings -Wno-pointer-arith
> $(call cc-option-add,CFLAGS,CC,-Wvla)
> CFLAGS += -pipe -D__XEN__ -include $(srctree)/include/xen/config.h
> CFLAGS-$(CONFIG_DEBUG_INFO) += -g
I meant to say. I've checked our minimum compiler versions, and
-Wwrite-strings is supported by everything.
~Andrew
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