# HG changeset patch
# User Stephen J. Turnbull <stephen@xemacs.org>
# Date 1374947162 -32400
# Node ID 3ccb4aaf91c7e4331fc57f45688619824380dcc6
# Parent  52b9fe8f44c0a8a73504b04ffccc166cf7881aa6
* configure.ac (makeinfo):
Use basic regexp.  Avoid autoconf errors on empty version strings.
Report version found if insufficient.  Lightly tested.

diff -r 52b9fe8f44c0 -r 3ccb4aaf91c7 ChangeLog
--- a/ChangeLog	Wed Jul 10 14:32:02 2013 +0100
+++ b/ChangeLog	Sun Jul 28 02:46:02 2013 +0900
@@ -1,3 +1,9 @@
+2013-07-28  Stephen J. Turnbull  <stephen@xemacs.org>
+
+	* configure.ac (makeinfo):
+	Use basic regexp.  Avoid autoconf errors on empty version strings.
+	Report version found if insufficient.  Lightly tested.
+
 2013-06-25  Jerry James  <james@xemacs.org>
 
 	* INSTALL: Update required makeinfo version.
diff -r 52b9fe8f44c0 -r 3ccb4aaf91c7 configure
--- a/configure	Wed Jul 10 14:32:02 2013 +0100
+++ b/configure	Sun Jul 28 02:46:02 2013 +0900
@@ -10564,10 +10564,10 @@
 $as_echo_n "checking for makeinfo >= 4.12... " >&6; }
 MAKEINFO=
 for prog in `which -a makeinfo`; do
-  mi_verstr=`$prog --version | sed -rn '1s/.*+[[:blank:]]([^[:blank:]]+)$/\1/p'`
+  mi_verstr=`$prog --version | sed -n '1s/^.* \([0-9][0-9]*\.[0-9][0-9]*\)$/\1/p'`
   mi_major=`echo $mi_verstr | cut -d. -f1`
   mi_minor=`echo $mi_verstr | cut -d. -f2`
-  if test $mi_major -gt 4 || ( test $mi_major -eq 4 && test $mi_minor -gt 11 );
+  if test "$mi_major" -gt 4 || ( test "$mi_major" -eq 4 && test "$mi_minor" -gt 11 );
   then
     MAKEINFO=$prog
     break
@@ -10576,8 +10576,8 @@
 if test -z $MAKEINFO; then
   { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
 $as_echo "no" >&6; }
-  { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: Makeinfo 4.12 or later required to build info files." >&5
-$as_echo "$as_me: WARNING: Makeinfo 4.12 or later required to build info files." >&2;}
+  { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: Found Makeinfo $mi_verstr.  4.12 or later required." >&5
+$as_echo "$as_me: WARNING: Found Makeinfo $mi_verstr.  4.12 or later required." >&2;}
 else
   { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
 $as_echo "yes" >&6; }
diff -r 52b9fe8f44c0 -r 3ccb4aaf91c7 configure.ac
--- a/configure.ac	Wed Jul 10 14:32:02 2013 +0100
+++ b/configure.ac	Sun Jul 28 02:46:02 2013 +0900
@@ -2590,10 +2590,10 @@
 AC_MSG_CHECKING([for makeinfo >= 4.12])
 MAKEINFO=
 for prog in `which -a makeinfo`; do
-  mi_verstr=[`$prog --version | sed -rn '1s/.*+[[:blank:]]([^[:blank:]]+)$/\1/p'`]
+  mi_verstr=[`$prog --version | sed -n '1s/^.* \([0-9][0-9]*\.[0-9][0-9]*\)$/\1/p'`]
   mi_major=`echo $mi_verstr | cut -d. -f1`
   mi_minor=`echo $mi_verstr | cut -d. -f2`
-  if test $mi_major -gt 4 || ( test $mi_major -eq 4 && test $mi_minor -gt 11 );
+  if test "$mi_major" -gt 4 || ( test "$mi_major" -eq 4 && test "$mi_minor" -gt 11 );
   then
     MAKEINFO=$prog
     break
@@ -2601,7 +2601,7 @@
 done
 if test -z $MAKEINFO; then
   AC_MSG_RESULT([no])
-  AC_MSG_WARN([Makeinfo 4.12 or later required to build info files.])
+  AC_MSG_WARN([Found Makeinfo $mi_verstr.  4.12 or later required.])
 else
   AC_MSG_RESULT([yes])
 fi