To compile a .o file from a .cpp file:

    clang++ -std=c++11 -c NAME_OF_CPP

e.g.

    clang++ -std=c++11 -c exampleMain.cpp


To compile a program from .o files:

    clang++ -std=c++11 NAMES_OF_O_FILES -o NAME_OF_PROGRAM

e.g.

    clang++ -std=c++11 exampleMain.o utils.o -o exampleMain.run