diff --git a/src/filters/rcldoc b/src/filters/rcldoc
index 238c1870..251ff539 100755
--- a/src/filters/rcldoc
+++ b/src/filters/rcldoc
@@ -1,5 +1,5 @@
 #!/bin/sh
-# @(#$Id: rcldoc,v 1.3 2005-10-20 11:33:49 dockes Exp $  (C) 2004 J.F.Dockes
+# @(#$Id: rcldoc,v 1.4 2005-10-20 15:42:29 dockes Exp $  (C) 2004 J.F.Dockes
 # Parts taken from Estraier:
 #================================================================
 # Estraier: a personal full-text search system
@@ -42,8 +42,8 @@ iscmd()
     */*)
 	if test -x $cmd ; then return 0; else return 1; fi ;;
     *)
-      IFS=: ; set -- $PATH; unset IFS
-      for d in $* ; do test -x $d/$cmd && return 0; done
+      oldifs=$IFS; IFS=":"; set -- $PATH; IFS=$oldifs
+      for d in $*;do test -x $d/$cmd && return 0;done
       return 1 ;;
     esac
 }
diff --git a/src/filters/rclpdf b/src/filters/rclpdf
index 049a6cd0..8186dad4 100755
--- a/src/filters/rclpdf
+++ b/src/filters/rclpdf
@@ -1,5 +1,5 @@
 #!/bin/sh
-# @(#$Id: rclpdf,v 1.3 2005-10-20 11:33:49 dockes Exp $  (C) 2004 J.F.Dockes
+# @(#$Id: rclpdf,v 1.4 2005-10-20 15:42:29 dockes Exp $  (C) 2004 J.F.Dockes
 # This is copied almost verbatim from Estraier:
 #================================================================
 # Estraier: a personal full-text search system
@@ -40,8 +40,8 @@ iscmd()
     */*)
 	if test -x $cmd ; then return 0; else return 1; fi ;;
     *)
-      IFS=: ; set -- $PATH; unset IFS
-      for d in $* ; do test -x $d/$cmd && return 0; done
+      oldifs=$IFS; IFS=":"; set -- $PATH; IFS=$oldifs
+      for d in $*;do test -x $d/$cmd && return 0;done
       return 1 ;;
     esac
 }
diff --git a/src/filters/rclps b/src/filters/rclps
index b38d5f32..8d70dc94 100755
--- a/src/filters/rclps
+++ b/src/filters/rclps
@@ -1,5 +1,5 @@
 #!/bin/sh
-# @(#$Id: rclps,v 1.3 2005-10-20 11:33:49 dockes Exp $  (C) 2004 J.F.Dockes
+# @(#$Id: rclps,v 1.4 2005-10-20 15:42:29 dockes Exp $  (C) 2004 J.F.Dockes
 # Parts taken from Estraier:
 #================================================================
 # Estraier: a personal full-text search system
@@ -20,7 +20,7 @@
 # set variables
 LANG=C ; export LANG
 LC_ALL=C ; export LC_ALL
-progname="rclpdf"
+progname="rclps"
 decoder=pstotext
 #decoder=ps2ascii
 
@@ -41,8 +41,8 @@ iscmd()
     */*)
 	if test -x $cmd ; then return 0; else return 1; fi ;;
     *)
-      IFS=: ; set -- $PATH; unset IFS
-      for d in $* ; do test -x $d/$cmd && return 0; done
+      oldifs=$IFS; IFS=":"; set -- $PATH; IFS=$oldifs
+      for d in $*;do test -x $d/$cmd && return 0;done
       return 1 ;;
     esac
 }
diff --git a/src/filters/rclsoff b/src/filters/rclsoff
index 861845c7..e2934497 100755
--- a/src/filters/rclsoff
+++ b/src/filters/rclsoff
@@ -1,5 +1,5 @@
 #!/bin/sh
-# @(#$Id: rclsoff,v 1.3 2005-10-20 11:33:49 dockes Exp $  (C) 2004 J.F.Dockes
+# @(#$Id: rclsoff,v 1.4 2005-10-20 15:42:29 dockes Exp $  (C) 2004 J.F.Dockes
 # Parts taken from Estraier:
 #================================================================
 # Estraier: a personal full-text search system
@@ -35,8 +35,8 @@ iscmd()
     */*)
 	if test -x $cmd ; then return 0; else return 1; fi ;;
     *)
-      IFS=: ; set -- $PATH; unset IFS
-      for d in $* ; do test -x $d/$cmd && return 0; done
+      oldifs=$IFS; IFS=":"; set -- $PATH; IFS=$oldifs
+      for d in $*;do test -x $d/$cmd && return 0;done
       return 1 ;;
     esac
 }
diff --git a/src/mk/SunOS b/src/mk/SunOS
index 1e083214..af8eae80 100644
--- a/src/mk/SunOS
+++ b/src/mk/SunOS
@@ -6,4 +6,4 @@ CXX=g++
 LIBXAPIAN = -L/usr/local/lib -lxapian
 LIBICONV =  -L/usr/local/lib -liconv
 
-LIBSYS = -lpthread
+LIBSYS = -lpthread -lnsl -lsocket