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{"@context":"https://schema.org","@type":"DiscussionForumPosting","headline":"0.12.0 undefined reference pthreads","articleBody":"When compiling 0.12.0 for openSUSE tumbleweed I get this error (see bottom).\n\nMy fast fix for this is applying this patch: http://pastie.org/10789411\n\n\u003e CMakeFiles/cppnetlib-client-connections.dir/client.cpp.o: In function `asio::detail::posix_global_impl\u003casio::system_executor::context_impl\u003e::~posix_global_impl()':\n\u003e [   43s] client.cpp:(.text._ZN4asio6detail17posix_global_implINS_15system_executor12context_implEED2Ev[_ZN4asio6detail17posix_global_implINS_15system_executor12context_implEED5Ev]+0xdb): undefined reference to`pthread_join'\n\u003e [   43s] client.cpp:(.text._ZN4asio6detail17posix_global_implINS_15system_executor12context_implEED2Ev[_ZN4asio6detail17posix_global_implINS_15system_executor12context_implEED5Ev]+0xf9): undefined reference to `pthread_detach'\n\u003e [   43s] collect2: error: ld returned 1 exit status\n\u003e [   43s] libs/network/src/CMakeFiles/cppnetlib-client-connections.dir/build.make:99: recipe for target 'libs/network/src/libcppnetlib-client-connections.so.0.12.0' failed\n\u003e [   43s] make[2]: **\\* [libs/network/src/libcppnetlib-client-connections.so.0.12.0] Error 1\n\u003e [   43s] make[2]: Leaving directory '/home/abuild/rpmbuild/BUILD/cpp-netlib-0.12.0-final/build'\n\u003e [   43s] CMakeFiles/Makefile2:129: recipe for target 'libs/network/src/CMakeFiles/cppnetlib-client-connections.dir/all' failed\n\u003e [   43s] make[1]: **\\* [libs/network/src/CMakeFiles/cppnetlib-client-connections.dir/all] Error 2\n\u003e [   43s] make[1]: Leaving directory '/home/abuild/rpmbuild/BUILD/cpp-netlib-0.12.0-final/build'\n\u003e [   43s] Makefile:141: recipe for target 'all' failed\n\u003e [   43s] make: **\\* [all] Error 2\n\nCmake config output:\n\n\u003e [   19s] -- The C compiler identification is GNU 5.3.1\n\u003e [   19s] -- The CXX compiler identification is GNU 5.3.1\n\u003e [   19s] -- Check for working C compiler: /usr/bin/cc\n\u003e [   19s] -- Check for working C compiler: /usr/bin/cc -- works\n\u003e [   19s] -- Detecting C compiler ABI info\n\u003e [   19s] -- Detecting C compiler ABI info - done\n\u003e [   19s] -- Detecting C compile features\n\u003e [   19s] -- Detecting C compile features - done\n\u003e [   19s] -- Check for working CXX compiler: /usr/bin/c++\n\u003e [   19s] -- Check for working CXX compiler: /usr/bin/c++ -- works\n\u003e [   19s] -- Detecting CXX compiler ABI info\n\u003e [   20s] -- Detecting CXX compiler ABI info - done\n\u003e [   20s] -- Detecting CXX compile features\n\u003e [   20s] -- Detecting CXX compile features - done\n\u003e [   20s] -- Linking boost testing libs dynamically...\n\u003e [   20s] -- Boost version: 1.60.0\n\u003e [   20s] -- Found OpenSSL: /usr/lib64/libssl.so;/usr/lib64/libcrypto.so (found version \"1.0.2g\") \n\u003e [   20s] -- Looking for pthread.h\n\u003e [   20s] -- Looking for pthread.h - found\n\u003e [   20s] -- Looking for pthread_create\n\u003e [   20s] -- Looking for pthread_create - not found\n\u003e [   20s] -- Looking for pthread_create in pthreads\n\u003e [   20s] -- Looking for pthread_create in pthreads - not found\n\u003e [   20s] -- Looking for pthread_create in pthread\n\u003e [   20s] -- Looking for pthread_create in pthread - found\n\u003e [   20s] -- Found Threads: TRUE  \n\u003e [   20s] -- Found PythonInterp: /usr/bin/python (found version \"2.7.10\") \n\u003e [   20s] -- Configuring done\n\u003e [   20s] -- Generating done\n","author":{"url":"https://github.com/susnux","@type":"Person","name":"susnux"},"datePublished":"2016-04-07T22:02:57.000Z","interactionStatistic":{"@type":"InteractionCounter","interactionType":"https://schema.org/CommentAction","userInteractionCount":6},"url":"https://github.com/625/cpp-netlib/issues/625"}