LibBSD PowerPC motorola_shared BSP PCI Support

[Joel Sherrill]

I

On Tue, Oct 27, 2020, 12:42 PM Sebastian Huber <
sebastian.huber at embedded-brains.de> wrote:

>
> On 27/10/2020 15:41, Joel Sherrill wrote:
> >
> >
> > On Tue, Oct 27, 2020 at 9:23 AM Heinz Junkes <junkes at fhi-berlin.mpg.de
> > <mailto:junkes at fhi-berlin.mpg.de>> wrote:
> >
> >     I am currently trying git rtems6.
> >
> >     ../source-builder/sb-set-builder --prefix=$HOME/.rtems --log
> >     powerpc_beatnik.log --no-clean --target=powerpc-rtems6
> >     --with-rtems-bsp=beatnik 6/rtems-powerpc 6/rtems-kernel
> >
> >     works …
> >
> >     Unfortunately It fails here:
> >
> >     ../source-builder/sb-set-builder --prefix=$HOME/.rtems --log
> >     libbsd.log --no-clean --target=powerpc-rtems6
> >     --with-rtems-bsp=beatnik --host=powerpc-rtems6 6/rtems-libbsd
> >
> >     ...
> >     [1562/1948] Compiling freebsd/sbin/nvmecontrol/ns.c
> >     In file included from
> >     /home/ad/.rtems/lib/gcc/powerpc-rtems6/10.2.1/include/c++/cstdlib:75,
> >                      from
> >
>  /home/ad/.rtems/lib/gcc/powerpc-rtems6/10.2.1/include/c++/stdlib.h:36,
> >                      from ../../freebsd/sys/sys/libkern.h:216,
> >                      from ../../freebsd/sys/sys/systm.h:543,
> >                      from ../../freebsd/sys/sys/mbuf.h:42,
> >                      from ../../rtemsbsd/rtems/rtems-bsd-cxx.cc:48:
> >     /home/ad/.rtems/powerpc-rtems6/include/stdlib.h:309:6: error:
> >     conflicting declaration of C function 'void qsort_r(void*, size_t,
> >     size_t, int (*)(const void*, const void*, void*
> >     ), void*)'
> >       309 | void qsort_r (void *__base, size_t __nmemb, size_t __size,
> >     int (*_compar)(const void *, const void *, void *), void *__thunk);
> >           |      ^~~~~~~
> >     In file included from ../../freebsd/sys/sys/systm.h:543,
> >                      from ../../freebsd/sys/sys/mbuf.h:42,
> >                      from ../../rtemsbsd/rtems/rtems-bsd-cxx.cc:48:
> >     ../../freebsd/sys/sys/libkern.h:211:7: note: previous declaration
> >     'void qsort_r(void*, size_t, size_t, void*, int (*)(void*, const
> >     void*, const void*))'
> >       211 | void  qsort_r(void *base, size_t nmemb, size_t size, void
> >     *thunk,
> >           |       ^~~~~~~
> >
> >     Waf: Leaving directory
> >
>  `/home/ad/RTEMS_DEV/rtems-source-builder/rtems/build/rtems-libbsd-d964a6703c705cc92fd053bcefc08bb3b6baa0e2-powerpc-rtems6-1/rtems-libbsd-d964a6703c705cc9
> >     2fd053bcefc08bb3b6baa0e2/build/powerpc-rtems6-beatnik-default'
> >     Build failed
> >      -> task in 'bsd' failed with exit status 1 (run with -v to
> >     display more information)
> >     shell cmd failed: /bin/sh -ex
> >
>  /home/ad/RTEMS_DEV/rtems-source-builder/rtems/build/rtems-libbsd-d964a6703c705cc92fd053bcefc08bb3b6baa0e2-powerpc-rtems6-1/do-build
> >     error: building
> >
>  rtems-libbsd-d964a6703c705cc92fd053bcefc08bb3b6baa0e2-powerpc-rtems6-1
> >
> >
> > I'm not sure why this would not have shown up before but the FreeBSD
> > kernel reuses some standard library method names with different
> > signatures. The
> > file rtemsbsd/include/machine/rtems-bsd-kernel-namespace.h renames a
> > lot of items to put them in a BSD namespace. qsort_r isn't in this
> > list but perhaps should be.
>
> I think its is this bug:
>
> https://devel.rtems.org/ticket/4078
>
> I added a workaround to the latest master and 6-freebsd-12 branches.
>

Why don't we fix it in the gcc sources for 5 and later? Any code fixing
this breaks was already broken

>
> --
> Sebastian Huber, embedded brains GmbH
>
> Address : Dornierstr. 4, D-82178 Puchheim, Germany
> Phone   : +49 89 189 47 41-16
> Fax     : +49 89 189 47 41-09
> E-Mail  : sebastian.huber at embedded-brains.de
> PGP     : Public key available on request.
>
> Diese Nachricht ist keine geschäftliche Mitteilung im Sinne des EHUG.
>
>
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