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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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