I had been living under apparent false impression that "realfft.c" on which the FFT implementation in DMLIB was basically copied from was released in public domain at some point, but it could very well be that it never was. Correct license is (or seems to be) GNU GPL. Thus I removing the code from DMLIB, and profusely apologize to the author, Philip Van Baren. It was never my intention to distribute code based on his original work under a more liberal license than originally intended.

/*
 * DMLib
 * Get rid of the SDL_main for some commandline tools
 * Programmed and designed by Matti 'ccr' Hamalainen
 * (C) Copyright 2012 Tecnic Software productions (TNSP)
 */
#ifndef DMTOOL_H
#define DMTOOL_H 1


// Get rid of the SDL_main mess for some commandline tools
#define _SDL_main_h
#define SDL_main main


#endif // DMTOOL_H