i haven't aalib im my USE wether the aalib installed. due to the missing aalib in USE the ebuild appends "--disable-aalib --disable-aalibtest" to configure, but this leads to error that an aalib >= 1.2 is detected which is defintly not installed. this finaly leads to compilation error because of a missing aalib.h (what a surprise ;) i removed the aalib line from the ebuild and everything works fine.
arcady already fixed this