test -n "$YACC" && break
done
+
+if test "$YACC"; then
+ if bison --version | sed q | $AWK '{ if ($4 < 1.875) exit 0; else exit 1;}'; then
+ { echo "$as_me:$LINENO: WARNING:
+*** The installed version of Bison is too old. PostgreSQL needs
+*** Bison version 1.875 or later." >&5
+echo "$as_me: WARNING:
+*** The installed version of Bison is too old. PostgreSQL needs
+*** Bison version 1.875 or later." >&2;}
+ unset YACC
+ fi
+fi
+
if test -z "$YACC"; then
{ echo "$as_me:$LINENO: WARNING:
*** Without Bison you will not be able to build PostgreSQL from CVS or
dnl Process this file with autoconf to produce a configure script.
-dnl $Header: /cvsroot/pgsql/configure.in,v 1.254 2003/05/27 16:36:50 momjian Exp $
+dnl $Header: /cvsroot/pgsql/configure.in,v 1.255 2003/06/06 19:11:55 momjian Exp $
dnl
dnl Developers, please strive to achieve this order:
dnl
PGAC_CHECK_STRIP
AC_CHECK_PROGS(YACC, ['bison -y'])
+
+if test "$YACC"; then
+ if bison --version | sed q | $AWK '{ if ($4 < 1.875) exit 0; else exit 1;}'; then
+ AC_MSG_WARN([
+*** The installed version of Bison is too old. PostgreSQL needs
+*** Bison version 1.875 or later.])
+ unset YACC
+ fi
+fi
+
if test -z "$YACC"; then
AC_MSG_WARN([
*** Without Bison you will not be able to build PostgreSQL from CVS or