I have updated the package accordingly. > try replacing this line: > > g++ -Wall -D__LINUX_ALSASEQ__ -o amk amk.cxx RtMidi.cpp -lasound -lpthread -ljack > > with this line: > > g++ -Wall -D__LINUX_ALSASEQ__ -o amk amk.cxx RtMidi.cpp -lasound -lpthread `pkg-config --cflags --libs jack`