diff -r cb98128649e9 src/ChangeLog
--- a/src/ChangeLog	Mon Dec 21 10:44:28 2009 -0800
+++ b/src/ChangeLog	Tue Dec 22 16:46:30 2009 -0500
@@ -1,3 +1,7 @@
+2009-12-22  Rob Mahurin  <address@hidden>
+
+	* find-defun-files.sh: use SED and EGREP as returned by configure
+
 2009-12-20  Shai Ayal  <address@hidden>
 
 	* DLD-FUNCTIONS/fltk_backend.cc (plot_sindow::set_name): New method.
diff -r cb98128649e9 src/find-defun-files.sh
--- a/src/find-defun-files.sh	Mon Dec 21 10:44:28 2009 -0800
+++ b/src/find-defun-files.sh	Tue Dec 22 16:46:30 2009 -0500
@@ -1,6 +1,8 @@
 #! /bin/sh
 
 set -e
+${SED:-'sed'}
+${EGREP:-'egrep'}
 
 # Some stupid egreps don't like empty elements in alternation patterns,
 # so we have to repeat ourselves because some stupid egreps don't like
@@ -18,7 +20,7 @@
   else
     file="$srcdir/$arg"
   fi
-  if [ "`egrep -l "$DEFUN_PATTERN" $file`" ]; then
-    echo "$file" | sed 's,.*/,,; s/\.\(cc\|yy\|ll\)$/.df/';
+  if [ "`$EGREP -l "$DEFUN_PATTERN" $file`" ]; then
+    echo "$file" | $SED 's,.*/,,; s/\.\(cc\|yy\|ll\)$/.df/';
   fi
 done