errors to stderr
diff --git a/bin/9c b/bin/9c
index 3e8e66e..17f8e65 100755
--- a/bin/9c
+++ b/bin/9c
@@ -28,6 +28,12 @@
 		cflags="$ngflags -g3 -no-cpp-precomp" ;;
 *HP-UX*)	cc=cc; cflags="-g -O -c -Ae" ;;
 *Linux*)	usegcc 
+		case "${CC9:-gcc}" in
+		tcc)
+			cc=tcc
+			cflags="-c -g"
+			;;
+		esac
 		case "${SYSVERSION:-`uname -r`}" in
 		2.6.*)
 			cflags="$cflags -D__Linux26__"
@@ -63,6 +69,6 @@
 grep -v '__p9l_autolib_' $xtmp |
 egrep -v ': error: .Each undeclared identifier|: error: for each function it appears|: In function `|: At top level:' |
 sed 's/ .first use in this function.$//; s/\"\([^\"][^\"]*\)\", line \([0-9][0-9]*\)/\1:\2/g' |
-uniq
+uniq 1>&2
 rm -f $xtmp $xtmp.status
 exit $status