--- mpg123-0.59s-r3.ebuild	2004-04-13 02:08:34.000000000 -0400
+++ mpg123-0.59s-r4.ebuild	2004-04-21 17:14:22.199807789 -0400
@@ -64,6 +64,8 @@ src_compile() {
 	# The last one in $styles is the default
 	local styles
 
+	# use oss if nothing else
+	use oss || use nas || use esd || USE="$USE oss"
 	use nas && styles="${styles} -nas"
 	use oss && styles="${styles} -generic"