MythExternRecApp.h:86:23: error: field ‘m_run’ has incomplete type ‘std::atomic<bool>’
     std::atomic<bool>       m_run;
                       ^
In file included from /usr/include/c++/5.3.0/bits/shared_ptr_atomic.h:33:0,
                 from /usr/include/c++/5.3.0/memory:83,
                 from /usr/include/c++/5.3.0/thread:40,
                 from MythExternRecApp.cpp:21:
/usr/include/c++/5.3.0/bits/atomic_base.h:126:12: note: declaration of ‘struct std::atomic<bool>’
     struct atomic;
            ^
In file included from MythExternRecApp.cpp:23:0:
MythExternRecApp.h:89:23: error: field ‘m_streaming’ has incomplete type ‘std::atomic<bool>’
     std::atomic<bool>       m_streaming;
                       ^
In file included from /usr/include/c++/5.3.0/bits/shared_ptr_atomic.h:33:0,
                 from /usr/include/c++/5.3.0/memory:83,
                 from /usr/include/c++/5.3.0/thread:40,
                 from MythExternRecApp.cpp:21:
/usr/include/c++/5.3.0/bits/atomic_base.h:126:12: note: declaration of ‘struct std::atomic<bool>’
     struct atomic;
            ^
MythExternRecApp.cpp: In member function ‘bool MythExternRecApp::Open()’:
MythExternRecApp.cpp:142:24: error: ‘errorOccurred’ is not a member of ‘QProcess’
                      (&QProcess::errorOccurred),
                        ^
Makefile:474: recipe for target 'obj/MythExternRecApp.o' failed