`USES=autoreconf` ports that change CONFIGURE_WRKSRC:
- devel/fb-adb - OK, implicit
- games/diaspora
- games/qqwing
- graphics/iulib
- graphics/ocropus
- graphics/p5-ming
- graphics/py-ming
- japanese/mutt-devel
- mail/libspf
- net-p2p/twister
- x11/guake