An apparatus is provided for building an application. The apparatus may include at least one memory and at least one processor configured to generate a build of an application in a C Object-Oriented Programming Language. The processor is also configured to generate a unity file including a plurality of source files having references to one or more header files. At least two of the source files include references to a same header file. The processor is also configured to compile the unity file including the plurality of source files to obtain an object file. The processor is also configured to link the object file to generate an executable of the application. Corresponding computer program products and methods are also provided.