[Buildroot] [PATCH 1/1] package/optee-client: disable -Werror

[Yann E. MORIN]

Fabrice, All,

On 2020-11-01 21:43 +0100, Fabrice Fontaine spake thusly:
> Disable -Werror thanks to CFG_WERROR which is available since version
> 3.3.0 and
> https://github.com/OP-TEE/optee_client/commit/5355fdb841bce4f7cce3dd37fc31fa91bd625c98
> to fix the following build failure with optee-client 3.11.0:
> 
> /home/giuliobenetti/autobuild/run/instance-2/output-1/build/optee-client-3.11.0/libckteec/src/pkcs11_processing.c: In function 'ck_create_object':
> /home/giuliobenetti/autobuild/run/instance-2/output-1/build/optee-client-3.11.0/libckteec/src/pkcs11_processing.c:22:9: error: missing initializer for field 'buffer' of 'struct serializer' [-Werror=missing-field-initializers]
>   struct serializer obj = { };
>          ^
> 
> Fixes:
>  - http://autobuild.buildroot.org/results/a3d663adb943aee814180f01d6e153b3309be962
> 
> Signed-off-by: Fabrice Fontaine <fontaine.fabrice at gmail.com>

After reading the thread, I decided to apply this (oldish) patch to
next.

Indeed, as you mentionned in the thread, we do try to remove -Werror
when we hit issues with it.

-Werror is very important for the developpers of a package, because they
indeed can find and fix their code as early as possible.

But for downstreams, that does not help at all, especially since there
are a myriad of possible combination of binutils versions, compiler
versins, C libraries flavours and versions, optimisations flags and
architectures, that it is virtually impossible to guarantee a no-warning
build on all those combinations, especially when a new version of any of
those gets out.

So, applied to next, thanks.

(Yes, I know we just bumped the version of optee-client, and that we do
not yet have any -Werror issue with it, but should we have any, the
answer would be to apply that patch anyway. So no need to wait for the
first issue to popup...)

Regards,
Yann E. MORIN.

> ---
>  package/optee-client/optee-client.mk | 3 ++-
>  1 file changed, 2 insertions(+), 1 deletion(-)
> 
> diff --git a/package/optee-client/optee-client.mk b/package/optee-client/optee-client.mk
> index 8108fc2130..7f613f724d 100644
> --- a/package/optee-client/optee-client.mk
> +++ b/package/optee-client/optee-client.mk
> @@ -11,7 +11,8 @@ OPTEE_CLIENT_LICENSE_FILES = LICENSE
>  OPTEE_CLIENT_INSTALL_STAGING = YES
>  
>  OPTEE_CLIENT_CONF_OPTS = \
> -	-DCFG_TEE_FS_PARENT_PATH=$(BR2_PACKAGE_OPTEE_CLIENT_TEE_FS_PATH)
> +	-DCFG_TEE_FS_PARENT_PATH=$(BR2_PACKAGE_OPTEE_CLIENT_TEE_FS_PATH) \
> +	-DCFG_WERROR=OFF
>  
>  define OPTEE_CLIENT_INSTALL_INIT_SYSV
>  	$(INSTALL) -m 0755 -D $(OPTEE_CLIENT_PKGDIR)/S30optee \
> -- 
> 2.28.0
> 
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