Can't build minimal buildset for libbsd on IMXRT

[Joel Sherrill]

Any chance you forget to switch to the 6-freebsd-12 branch?

On Fri, Jun 11, 2021, 8:12 AM <dufault at hda.com> wrote:

>
>
> > On Jun 11, 2021, at 08:07 , Christian Mauderer <oss at c-mauderer.de>
> wrote:
> >
> > Hello Peter,
> >
> > On 11/06/2021 13:23, Peter Dufault wrote:
> >> I tried to build the "minimal" buildset for the IMXRT BSP and I get
> undefined INET6 references - _bsd_inet6_pfil_hook, _bsd_ip6stat, etc.  Only
> two executables are created - swi01.exe and timeout01.exe.  For "default"
> (almost) everything builds except for a few that won't fit in RAM but I
> don't currently have enough RAM to run anything so I figured my first step
> should be to build "minimal".
> >
> > I just tried it with beagle bone black: The minimal buildset builds
> fine. Can you tell from the output who is referencing the inet6_pfil_hook
> and ip6stat?
>
> Let's look at inet6_pfil_hook.  It's only called in "if_bridge.c" by
> bridge_pfil, bridge_fragment, bridge_dummynet, bridge_broadcast,
> bridge_ioctl, bridge_ioctl_add, bridge_forward, and bridge_input.
>
> These are all statics.  Is there something going on with inlining and
> "garbage collecting"?  Do I have C flags messed up?  I'm not sure how this
> is works as I see that "_bsd_inet6_pfil_hook" is defined in ip6_input.c and
> the object is in the built libbsd.a.  I see there's some -Bstatic and
> -Bdynamic stuff going on in the link.
>
> Start of the link of netshell01.  I can send more info if you'd like, I
> don't want to swamp the list.
>
> [1147/1178] Linking build/arm-rtems6-imxrt1052-minimal/netshell01.exe
> 06:29:59 runner ['/opt/flatland/opt/rtems-6/bin/arm-rtems6-gcc',
> '-mthumb', '-mcpu=cortex-m7', '-mfpu=fpv5-d16', '-mfloat-abi=hard',
> '-I/opt/flatland/opt/rtems-6/arm-rtems6/imxrt1052/lib/include', '-MMD',
> '-B/opt/flatland/opt/rtems-6/arm-rtems6/imxrt1052/lib', '-qrtems',
> '-Wl,--gc-sections', 'testsuite/netshell01/test_main.c.65.o',
> 'testsuite/netshell01/shellconfig.c.65.o',
> '-o/home/dufault/development/rtems/rtems-libbsd/build/arm-rtems6-imxrt1052-minimal/netshell01.exe',
> '-Wl,-Bstatic', '-L.', '-lbsd', '-Wl,-Bdynamic', '-lbsd', '-lm', '-lz',
> '-lrtemstest']
> /opt/flatland/opt/rtems-6/lib/gcc/arm-rtems6/10.3.1/../../../../arm-rtems6/bin/ld:
> ./libbsd.a(if_bridge.c.17.o): in function `bridge_pfil':
> /home/dufault/development/rtems/rtems-libbsd/build/arm-rtems6-imxrt1052-minimal/../../freebsd/sys/net/if_bridge.c:3346:
> undefined reference to `_bsd_inet6_pfil_hook'
>
>
> >
> >> The configure command is:
> >> ./waf configure --rtems-tools=bla/rtems-6 --rtems=bla/rtems-6
> --rtems-bsps=arm/imxrt1052 --buildset=buildset/minimal.ini
> >
> > Looks OK.
> >
> >> The libbsd is a recent 6-freebsd=12
> >> is "minimal" built regularly?  Any hints?
> >
> > No it is not build regularly. I think the buildset are often forgotten
> if someone works on libbsd. For example "everything" doesn't build at the
> moment.
> >
> > Best regards
> >
> > Christian
> >
> >> Peter
> >> -----------------
> >> Peter Dufault
> >> HD Associates, Inc.      Software and System Engineering
> >> This email is delivered through the public internet using protocols
> subject to interception and tampering.
> >> _______________________________________________
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> >> devel at rtems.org
> >> http://lists.rtems.org/mailman/listinfo/devel
>
> Peter
> -----------------
> Peter Dufault
> HD Associates, Inc.      Software and System Engineering
>
> This email is delivered through the public internet using protocols
> subject to interception and tampering.
>
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