--- kde-i18n-3.5.5.ebuild	2006-11-28 16:06:25.000000000 -0400
+++ /root/kde-i18n-3.5.5.ebuild	2006-11-28 17:04:11.000000000 -0400
@@ -37,7 +37,9 @@
 	fi
 
 	# Override kde_src_unpack.
-	unpack ${A}
+	if ! [[ -z "${A}" ]]; then
+		unpack ${A}
+	fi
 
 	# Work around KDE bug 126311.
 	for dir in `ls "${WORKDIR}"`; do