[Pkg-middleware-maintainers] Bug#847976: qpid-proton: FTBFS on mips and mipsel

[James Cowgill]

Source: qpid-proton
Version: 0.14.0-4
Severity: important
Tags: patch

Hi,

qpid-proton FTBFS on mips and mipsel with the error:
> CMakeFiles/mt_broker.dir/mt/epoll_container.cpp.o: In function `std::__atomic_base<unsigned long long>::operator++()':
> /usr/include/c++/6/bits/atomic_base.h:296: undefined reference to `__atomic_fetch_add_8'
> /usr/include/c++/6/bits/atomic_base.h:296: undefined reference to `__atomic_fetch_add_8'
> CMakeFiles/mt_broker.dir/mt/broker.cpp.o: In function `std::__atomic_base<unsigned long long>::fetch_add(unsigned long long, std::memory_order)':
> /usr/include/c++/6/bits/atomic_base.h:514: undefined reference to `__atomic_fetch_add_8'
> /usr/include/c++/6/bits/atomic_base.h:514: undefined reference to `__atomic_fetch_add_8'
> collect2: error: ld returned 1 exit status
> examples/cpp/CMakeFiles/mt_broker.dir/build.make:127: recipe for target 'examples/cpp/mt_broker' failed

This error is due to the use of 8-byte atomics which are not natively
supported on 32-bit MIPS. To fix this you have to use GCC's libatomic
library which emulates the atomics using locks. I've attached a patch
which fixes this.

Thanks,
James
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