Re: [PATCH] bpfilter: check if $(CC) can static link in Kconfig

[Alexei Starovoitov]

On Sat, May 9, 2020 at 12:40 AM Masahiro Yamada <masahiroy@xxxxxxxxxx> wrote:
>
> On Fedora, linking static libraries requires the glibc-static RPM
> package, which is not part of the glibc-devel package.
>
> CONFIG_CC_CAN_LINK does not check the capability of static linking,
> so you can enable CONFIG_BPFILTER_UMH, then fail to build.
>
>   HOSTLD  net/bpfilter/bpfilter_umh
> /usr/bin/ld: cannot find -lc
> collect2: error: ld returned 1 exit status
>
> Add CONFIG_CC_CAN_LINK_STATIC, and make CONFIG_BPFILTER_UMH depend
> on it.
>
> Reported-by: Valdis Kletnieks <valdis.kletnieks@xxxxxx>
> Signed-off-by: Masahiro Yamada <masahiroy@xxxxxxxxxx>

Thanks!
Acked-by: Alexei Starovoitov <ast@xxxxxxxxxx>