I ran into trouble compiling gnubiff version 2.2.10 on gentoo using gcc
4.3. Previous gcc versions would pull in the exit function from
stdlib.h, but 4.3 won't do so automatically. I put up a patch for this
on gentoo's bugzilla, but thought it couldn't hurt to contribute the
patch upstream as well.
The three source files affected are
The attached patch solved it for me.