How to announce user installed fonts on MacOS X?

[Alexander Kobel]

Dear all,

I switched back from Linux to OS X on one of my machines recently, and 
now I'm puzzled how to use user-installed fonts with LilyPond.

I did the usual thing: grab a .ttf (Gentium in this case), double-click 
(opens in FontBook.app), click "install". The font file is copied to 
$HOME/Library/Fonts, and available in Mac applications. However, no luck 
in LilyPond.
After some googling, I tried to delete the $HOME/.lilypond-fonts.cache-2 
directory and have Lily rebuild the cache, but to no avail. (BTW, why 
"-2" at the end?)

I suppose I can just copy the font files to the system library 
/Library/Fonts, but there must be a proper way to announce the user 
directory to pango/fontconfig/LilyPond/whatever, right? Any ideas?


Thanks in advance,
Alexander