This project is not under the GPL.
It is stated in fatback-1.3/COPYING:
"********************************************
* NOTICE:
* The following license applies only to the
* files getopt.c, getopt.h, and getopt1.c.
* these are borrowed from glibc.
* This licence does not in any way apply
* to the remainder of the fatback program
*********************************************"
As...
