Re: [PULL 0/2] Libslirp patches

[Peter Maydell]

On Tue, 8 Jun 2021 at 16:55, Marc-André Lureau
<marcandre.lureau@gmail.com> wrote:
>
> Hi
>
> On Mon, Jun 7, 2021 at 4:17 PM Peter Maydell <peter.maydell@linaro.org> wrote:

>> >> clang sanitizer build: link failure:
>> >> subprojects/libslirp/libslirp.so.0.3.0.p/src_arp_table.c.o: In
>> >> function `arp_table_add':
>> >> /home/petmay01/linaro/qemu-for-merges/build/clang/../../subprojects/libslirp/src/arp_table.c:51:
>> >> undefined reference to `__ubsan_handle_type_mismatch_v1'
>> >> /home/petmay01/linaro/qemu-for-merges/build/clang/../../subprojects/libslirp/src/arp_table.c:51:
>> >> undefined reference to `__ubsan_handle_type_mismatch_v1'
>> >> /home/petmay01/linaro/qemu-for-merges/build/clang/../../subprojects/libslirp/src/arp_table.c:51:
>> >> undefined reference to `__ubsan_handle_type_mismatch_v1'
>> >> /home/petmay01/linaro/qemu-for-merges/build/clang/../../subprojects/libslirp/src/arp_table.c:34:
>> >> undefined reference to `__ubsan_handle_type_mismatch_v1'
>> >> /home/petmay01/linaro/qemu-for-merges/build/clang/../../subprojects/libslirp/src/arp_table.c:34:
>> >> undefined reference to `__ubsan_handle_type_mismatch_v1'
>> >> (and lots more similar)
>>
>> > I don't get this  when running make vm-build-netbsd. What else am I 
>> > missing?
>>
>>
>> This isn't NetBSD related, it's just a clang sanitizer build on Linux.
>
>
>
> I am running configure with '--enable-sanitizers' --cc=clang --cxx=clang++ 
> --host-cc=clang, I can't reproduce.
>
> What's your distro? (or meson + clang versions)

Ubuntu 18.04.5 LTS (bionic); configure arguments
'--cc=clang' '--cxx=clang++' '--enable-gtk'
'--extra-cflags=-fsanitize=undefined  -fno-sanitize=shift-base
-Werror'
clang version 6.0.0-1ubuntu2

-- PMM