macOS

g++ -std=c++17 -I. -Imidifile/include \
    tinyfiledialogs.o \
    similarity_calculator.cpp midi_io.cpp main.cpp \
    midifile/lib/libmidifile.a \
    -framework Cocoa \
    -o n-note

Windows Mingw

compiling midifile

cd ~/n-note-main/libs/midifile
mkdir -p obj
g++ -std=c++17 -c src/*.cpp -Iinclude
mv *.o obj/
ar rcs libmidifile.a obj/*.o

comiling n-note

cd ~/n-note-main
g++ -std=c++17 \
    src/main.cpp \
    src/similarity_calculator.cpp \
    src/midi_io.cpp \
    libs/tinyfiledialogs/tinyfiledialogs.c \
    -Ilibs/midifile/include \
    -Ilibs/tinyfiledialogs \
    -Llibs/midifile -lmidifile \
    -lole32 -lcomdlg32 -luuid -loleaut32 \
    -static -static-libgcc -static-libstdc++ -pthread \
    -o n-note.exe

cd /c/Users/Grud/Downloads/n-note-main/n-note-main