aportale/posterazor — comment on commit 0813fa8243cad064e8f05bc6fe84b409c15db436
File:  line 0
By aportale:

Your Linux distro may already have the "posterazor" package, usually the old fltk version.

If you want to build it yourself, I suggest using the Qt version (master branch), since it is the more recent one and has nicer UI.
What exactly was the error when compiling?