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

[Masahiro Yamada]

On Sun, May 10, 2020 at 10:04 AM Alexei Starovoitov
<alexei.starovoitov@xxxxxxxxx> wrote:
>
> 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>

Applied to linux-kbuild
with Alexei's Ack.


-- 
Best Regards
Masahiro Yamada