re: GCC 14 in -current status: almost ready

[matthew green <mrg%eterna23.net@localhost>]

Tobias Nygren writes:
> On Fri, 19 Sep 2025 17:18:13 +1000
> matthew green <mrg%eterna23.net@localhost> wrote:
>
> > i don't recommend using it yet, but if you're keen, you can try builds
> > with -V HAVE_GCC=14 and see what happens.
>
> I did and found one problem not mentioned in the README.
> I think is an mknative problem?
> GCC on aarch64 generates references to libbid functions which do not
> get linked:
>
> ../aarch64--netbsd/bin/ld: /work/src/../obj/destdir.evbarm/lib/libgcc_s.so: undefined reference to `__bid_addtd3'
> ../aarch64--netbsd/bin/ld: /work/src/../obj/destdir.evbarm/lib/libgcc_s.so: undefined reference to `__mulbitint3'
> ../aarch64--netbsd/bin/ld: /work/src/../obj/destdir.evbarm/lib/libgcc_s.so: undefined reference to `__bid_adddd3'
>
> Example is from building GNU flex.
>
> Digging a bit more the default of --enable-decimal-float was changed
> from "no" to "yes" between GCC 12 and 13 and accepts
> --enable-decimal-float={no,yes,bid,dpd}
>
> mknative does not seem to know about libbid but we do set
> -DENABLE_DECIMAL_BID_FORMAT for libgcc so I think we need to either
> make some changes to mknative for libgcc or rerun mknative w/
> --enable-decimal-float=no.

huh, i can't get libgcc to build with CTF currently.

i'll have a look at this, thanks for digging!


.mrg.