MidiDriver.cpp: In member function ‘void MidiDriver::Open()’:
MidiDriver.cpp:121:9: warning: unused variable ‘x’ [-Wunused-variable]
     int x = snd_seq_set_client_pool_output(seq_handle,2000);
         ^
MidiDriver.cpp: In member function ‘void MidiDriver::ScheduleDiodeEvent(DiodeType, seqHandle, int, double, int, int, int)’:
MidiDriver.cpp:216:87: error: no matching function for call to ‘make_pair(int&, DiodeMidiEvent&)’
     diode_events.insert(std::make_pair<int,DiodeMidiEvent>(diode_event_id_next,diodeev));
                                                                                       ^
In file included from /usr/include/c++/5/bits/stl_algobase.h:64:0,
                 from /usr/include/c++/5/vector:60,
                 from global.h:28,
                 from MidiDriver.cpp:23:
/usr/include/c++/5/bits/stl_pair.h:276:5: note: candidate: template<class _T1, class _T2> constexpr std::pair<typename std::__decay_and_strip<_Tp>::__type, typename std::__decay_and_strip<_T2>::__type> std::make_pair(_T1&&, _T2&&)
     make_pair(_T1&& __x, _T2&& __y)
     ^
/usr/include/c++/5/bits/stl_pair.h:276:5: note:   template argument deduction/substitution failed:
MidiDriver.cpp:216:60: note:   cannot convert ‘((MidiDriver*)this)->MidiDriver::diode_event_id_next’ (type ‘int’) to type ‘int&&’
     diode_events.insert(std::make_pair<int,DiodeMidiEvent>(diode_event_id_next,diodeev));
                                                            ^
Makefile:433: recipe for target 'harmonySEQ-MidiDriver.o' failed
make[2]: *** [harmonySEQ-MidiDriver.o] Error 1
make[2]: Leaving directory '/home/josander/Downloads/post_install/harmonySEQ-0.16/src'
Makefile:263: recipe for target 'all' failed
make[1]: *** [all] Error 2
make[1]: Leaving directory '/home/josander/Downloads/post_install/harmonySEQ-0.16/src'
Makefile:348: recipe for target 'all-recursive' failed
make: *** [all-recursive] Error 1