Since I'm copying and tweaking the old Octave mkoctfile script, guess I've gotta make this GPL3+.
Build fixes
Globally replacing "3.8.1" with "382" doubly bad from a regex point of view.
New license
Won't build with Xcode 6.x as of yet, so blacklist for that, and for 10.10
Don't use X11 stuff when using fltk-aqua
Update DescPackaging
Tweak build; doesn't get along with Xcode 5 or later tools, so blacklist those; as well as 10.9 and 10.10
New package
New upstream bim
Update gcc that doesn't work
New upstream