diff -up configure.orig configure
--- configure.orig	2007-08-01 09:11:47.000000000 -0400
+++ configure	2007-11-27 09:41:59.000000000 -0500
@@ -6128,7 +6128,7 @@ case " $build_configdirs " in
     # For an installed makeinfo, we require it to be from texinfo 4.4 or
     # higher, else we use the "missing" dummy.
     if ${MAKEINFO} --version \
-       | egrep 'texinfo[^0-9]*([1-3][0-9]|4\.[4-9]|[5-9])' >/dev/null 2>&1; then
+       | egrep 'texinfo[^0-9]*(4\.([4-9]|[1-9][0-9])|[5-9]|[1-9][0-9])' >/dev/null 2>&1; then
       :
     else
       MAKEINFO="$MISSING makeinfo"
diff -up configure.ac.orig configure.ac
--- configure.ac.orig	2007-11-27 09:41:40.000000000 -0500
+++ configure.ac	2007-11-27 09:42:17.000000000 -0500
@@ -2403,7 +2403,7 @@ changequote(,)
     # For an installed makeinfo, we require it to be from texinfo 4.4 or
     # higher, else we use the "missing" dummy.
     if ${MAKEINFO} --version \
-       | egrep 'texinfo[^0-9]*([1-3][0-9]|4\.[4-9]|[5-9])' >/dev/null 2>&1; then
+       | egrep 'texinfo[^0-9]*(4\.([4-9]|[1-9][0-9])|[5-9]|[1-9][0-9])' >/dev/null 2>&1; then
       :
     else
       MAKEINFO="$MISSING makeinfo"