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
Description: Link mt_broker example with -latomic On MIPS (and probably other) platforms, 8-byte atomics are not supported on the hardware level. To allow 8-byte atomics to be used on these platforms, GCC provides the libatomic library which implements them using locks. . Since the mt_broker example uses 8-byte atomics, link it with -latomic to allow atomics to work on MIPS. Author: James Cowgill <jcowg...@debian.org> --- This patch header follows DEP-3: http://dep.debian.net/deps/dep3/ --- a/examples/cpp/CMakeLists.txt +++ b/examples/cpp/CMakeLists.txt @@ -71,7 +71,7 @@ if(HAS_CPP11) foreach(example broker) add_executable(mt_${example} mt/${example}.cpp ${container_src}) - target_link_libraries(mt_${example} pthread) + target_link_libraries(mt_${example} pthread atomic) endforeach() add_cpp_test(cpp_mt_example_test ${PYTHON_EXECUTABLE} ${CMAKE_CURRENT_SOURCE_DIR}/example_test.py -v MtBrokerTest) endif()
signature.asc
Description: OpenPGP digital signature
