add libsec
diff --git a/src/libsec/mkfile b/src/libsec/mkfile
new file mode 100644
index 0000000..9dcac09
--- /dev/null
+++ b/src/libsec/mkfile
@@ -0,0 +1,10 @@
+PLAN9=../..
+<$PLAN9/src/mkhdr
+
+DIRS=\
+#	fmt\
+	port\
+#	unix\
+#	$systype-$objtype\
+
+<$PLAN9/src/mkdirs