--- rpm-4.4.2/gendiff.cdiff	2002-07-13 20:54:36.000000000 +0100

+++ rpm-4.4.2/gendiff	2007-04-16 12:48:09.000000000 +0100

@@ -6,14 +6,16 @@

   exit 1

 }

+: ${DIFF:=diff -p}

+

 find $1 \( -name "*$2" -o -name ".*$2" \) -print |

 while read f; do

     U=-u

     [ "`basename $f`" = "ChangeLog$2" ] && U=-U0

-#    diff ${U} $f `echo $f | sed s/$2\$//`

+#    ${DIFF} ${U} $f `echo $f | sed s/$2\$//`

     if [ -r "$f" ]; then

-	diff ${U} "${f}" "${f%$2}"

+	${DIFF} ${U} "${f}" "${f%$2}"

     else

-	diff ${U} /dev/null "${f%$2}"

+	${DIFF} ${U} /dev/null "${f%$2}"

     fi

 done