On Fri, Jan 21, 2022 at 04:22:05AM +0900, Masahiro Yamada wrote:
> Since b8c96a6b466c ("certs: simplify $(srctree)/ handling and remove
> config_filename macro"), when CONFIG_MODULE_SIG_KEY is empty,
> signing_key.x509 fails to build:
>
> CERT certs/signing_key.x509
> Usage: extract-cert <source> <dest>
> make[1]: *** [certs/Makefile:78: certs/signing_key.x509] Error 2
> make: *** [Makefile:1831: certs] Error 2
>
> Pass "" to the first argument of extract-cert to fix the build error.
>
> Link: https://lore.kernel.org/linux-kbuild/20220120094606.2skuyb26yjlnu66q@xxxxxxxxxxxxxx/T/#u
> Fixes: b8c96a6b466c ("certs: simplify $(srctree)/ handling and remove config_filename macro")
> Reported-by: Michal Kubecek <mkubecek@xxxxxxx>
> Signed-off-by: Masahiro Yamada <masahiroy@xxxxxxxxxx>
Tested-by: Michal Kubecek <mkubecek@xxxxxxx>
Thank you for the quick fix.
Michal
> ---
>
> certs/Makefile | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/certs/Makefile b/certs/Makefile
> index 0c459cfd09df..3ea7fe60823f 100644
> --- a/certs/Makefile
> +++ b/certs/Makefile
> @@ -75,7 +75,7 @@ endif
> $(obj)/system_certificates.o: $(obj)/signing_key.x509
>
> $(obj)/signing_key.x509: $(X509_DEP) $(obj)/extract-cert FORCE
> - $(call if_changed,extract_certs,$(if $(X509_DEP),$<,$(CONFIG_MODULE_SIG_KEY)))
> + $(call if_changed,extract_certs,$(if $(CONFIG_MODULE_SIG_KEY),$(if $(X509_DEP),$<,$(CONFIG_MODULE_SIG_KEY)),""))
> endif # CONFIG_MODULE_SIG
>
> targets += signing_key.x509
> --
> 2.32.0
>
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