--- /usr/lib/portage/bin/ebuild.sh	2003-07-29 09:54:49.000000000 +0200
+++ ebuild.sh	2003-07-31 22:57:31.000000000 +0200
@@ -85,7 +85,9 @@
 	local x
 	for x in ${USE}; do
 		if [ "${x}" == "${1}" ]; then
-			tty --quiet < /dev/stdout || echo "${x}"
+			test -r /dev/fd/1 \
+				&& (tty --quiet < /dev/stdout || echo "${x}") \
+				|| echo "${x}"
 			return 0
 		fi
 	done
@@ -101,7 +103,9 @@
 	
 	for x in "$@"; do
 		if [ "${x}" == "${me}" ]; then
-			tty --quiet < /dev/stdout || echo "${x}"
+			test -r /dev/fd/1 \
+				&& (tty --quiet < /dev/stdout || echo "${x}") \
+				|| echo "${x}"
 			return 0
 		fi
 	done