ROOT (the FairRoot version) doesn’t want to start. A displays a error concerning missing FreeType font libraries. One like this:
dyld: Symbol not found: _FT_Init_FreeTypeReferenced from: /fairsoft/tools/root/lib/libGraf.soExpected in: dynamic lookup
Solution: Installing FreeType.
Some research shows, it is done easiest by using MacPorts. Just download and install MacPorts, run selfupdate und then »sudo ports install freetype« and you’re done.