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Message-ID: <CAK7LNARg96EfyZTHdDDToGqwhaokaG-PQCOyCHL1id14YxY3-A@mail.gmail.com>
Date: Tue, 12 May 2020 13:32:53 +0900
From: Masahiro Yamada <masahiroy@...nel.org>
To: Alexei Starovoitov <alexei.starovoitov@...il.com>
Cc: Linux Kbuild mailing list <linux-kbuild@...r.kernel.org>,
Valdis Kletnieks <valdis.kletnieks@...edu>,
LKML <linux-kernel@...r.kernel.org>, bpf <bpf@...r.kernel.org>,
Alexei Starovoitov <ast@...nel.org>,
Andrii Nakryiko <andriin@...com>,
Daniel Borkmann <daniel@...earbox.net>,
"David S. Miller" <davem@...emloft.net>,
Jakub Kicinski <kuba@...nel.org>,
John Fastabend <john.fastabend@...il.com>,
KP Singh <kpsingh@...omium.org>,
Martin KaFai Lau <kafai@...com>,
Song Liu <songliubraving@...com>, Yonghong Song <yhs@...com>,
Network Development <netdev@...r.kernel.org>
Subject: Re: [PATCH] bpfilter: check if $(CC) can static link in Kconfig
On Sun, May 10, 2020 at 10:04 AM Alexei Starovoitov
<alexei.starovoitov@...il.com> wrote:
>
> On Sat, May 9, 2020 at 12:40 AM Masahiro Yamada <masahiroy@...nel.org> 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@...edu>
> > Signed-off-by: Masahiro Yamada <masahiroy@...nel.org>
>
> Thanks!
> Acked-by: Alexei Starovoitov <ast@...nel.org>
Applied to linux-kbuild
with Alexei's Ack.
--
Best Regards
Masahiro Yamada
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