[debian-mysql] Bug#933151: mariadb-10.3: FTBFS on riscv64

[Hector Oron]

Hello,

Missatge de Otto Kekäläinen <otto at debian.org> del dia ds., 27 de jul.
2019 a les 3:21:
>
> Package: mariadb-10.3
> X-Debbugs-CC: debian-riscv at lists.debian.org
> User: debian-riscv at lists.debian.org
> Usertags: riscv64
>
> The version of the package currently FTBFS on the riscv64 port.
>
> >From https://buildd.debian.org/status/fetch.php?pkg=mariadb-10.3&arch=riscv64&ver=1%3A10.3.16-1&stamp=1561225015&raw=0
>
>
> /usr/bin/ld: librocksdblib.a(memtable.cc.o): in function `.L0 ':
> ./builddir/storage/rocksdb/./storage/rocksdb/rocksdb/util/dynamic_bloom.h:177:
> undefined reference to `__atomic_fetch_or_1'
> /usr/bin/ld: librocksdblib.a(memtable.cc.o): in function `.LVL1731':
> ./builddir/storage/rocksdb/./storage/rocksdb/rocksdb/util/dynamic_bloom.h:179:
> undefined reference to `__atomic_fetch_or_1'
> /usr/bin/ld: librocksdblib.a(memtable.cc.o): in function `SaveValue':
> ./builddir/storage/rocksdb/./storage/rocksdb/rocksdb/db/memtable.cc:596:
> undefined reference to `__atomic_compare_exchange_1'
> /usr/bin/ld: librocksdblib.a(memtable.cc.o): in function `.L0 ':
> /usr/include/c++/8/bits/atomic_base.h:434: undefined reference to
> `__atomic_compare_exchange_1'
> /usr/bin/ld: /usr/include/c++/8/bits/atomic_base.h:434: undefined
> reference to `__atomic_compare_exchange_1'
> /usr/bin/ld: /usr/include/c++/8/bits/atomic_base.h:434: undefined
> reference to `__atomic_compare_exchange_1'
> /usr/bin/ld: /usr/include/c++/8/bits/atomic_base.h:434: undefined
> reference to `__atomic_compare_exchange_1'
> /usr/bin/ld: librocksdblib.a(memtable.cc.o):/usr/include/c++/8/bits/atomic_base.h:434:
> more undefined references to `__atomic_compare_exchange_1' follow
> collect2: error: ld returned 1 exit status
>
> If you are an RISC expert, feel free to fork
> https://salsa.debian.org/mariadb-team/mariadb-10.3, play around, and
> make a merge request.

According to:
https://github.com/riscv/riscv-gnu-toolchain/issues/183#issuecomment-253721765

The code including atomic must link using `-latomic`, that is
apparently GCC bug, which it is not often seen in other architectures.
I have been unable to test the assumption.

Regards
-- 
 Héctor Orón  -.. . -... .. .- -.   -.. . ...- . .-.. --- .--. . .-.