--- src/octave/pfsstat.orig	2017-11-13 17:38:28 UTC
+++ src/octave/pfsstat
@@ -25,6 +25,8 @@
 #
 # See man page for more information
 
+pkg load signal;
+
 pin = pfsopen( "stdin" );
 
 #fprintf( stderr, "l = %d\n", length( argv ) );