[Buildroot] xtables-addons does not build for arm kernel 4.1.4
Jan Viktorin
viktorin at rehivetech.com
Mon Aug 17 22:35:57 UTC 2015
On Mon, 17 Aug 2015 23:52:18 +0200
Peter Korsgaard <peter at korsgaard.com> wrote:
> >>>>> "Jan" == Jan Viktorin <viktorin at rehivetech.com> writes:
>
> > Hello Gustavo,
> > I am trying to compile xtables-addons by Buildroot, however, I get
> > a lot of "undefined!" warnings and some errors.
>
> > I build with:
> > - Buildroot (master: 15a53b93a034af78)
> > - internal toolchain
> > - Linux 4.1.4.
>
> > The Buildroot is patched by
> > http://lists.busybox.net/pipermail/buildroot/2015-August/137485.html
> > for the olinuxino lime2 support. However, the same issues come
> > with olimex_a20_olinuxino_lime_defconfig.
>
> > My setup is:
>
> > $ make olimex_a20_olinuxino_lime2_defconfig
> > $ make menuconfig
> > enable Target packages/Network Applications/xtables-addons
> > $ make
>
> > And I end up with:
>
> > buildroot-a20/output/build/xtables-addons-2.7/extensions/compat_xtables.mod.c:9:2:
> > error: unknown field ‘name’ specified in initializer
> > .name = KBUILD_MODNAME,
>
> The problem is that you don't have modules (CONFIG_MODULES=y) support
> enabled in your kernel, as the sunxi_defconfig in the kernel until
> very recently didn't enable that - But it is naturally needed to
> build the xtables-addons modules.
Thank you for this hint! I'll check it out.
>
> Arguably Buildroot should automatically enable this for you when
> enabling the xtables-addons package, similar to how it is done for the
> netfilter options even though it is quite a "big" option to enable
> behind your back. Alternatively we could simply error out with a
> sensible message like it was recently done for the pkg-kernel-module
> infrastructure.
I agree, I would be happy to get a reasonable error message instead
of loosing few hours of looking up for such a trivial mistake.
>
>
> > I can build xtables-addons from git (tag 2.7, e277360) for both
> > Linux 4.1.4 and 4.1.5 on x86_64 by the standard xtables-addons
> > build-system (without Buildroot).
>
> You most likely have modules support in your x86-64 kernel.
>
--
Jan Viktorin E-mail: Viktorin at RehiveTech.com
System Architect Web: www.RehiveTech.com
RehiveTech Phone: +420 606 201 868
Brno, Czech Republic
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