Specify that we need bison >= 1.50.

INSTALL

@@ -58,7 +58,7 @@ The following prerequisites exist for building PostgreSQL:
      pre-generated output files are included in released packages. You will
      need these programs only when building from a CVS tree or if you
      changed the actual scanner and parser definition files. If you need
-     them, be sure to get Flex 2.5.4 or later and Bison 1.28 or later. Other
+     them, be sure to get Flex 2.5.4 or later and Bison 1.50 or later. Other
      yacc programs can sometimes be used, but doing so requires extra effort
      and is not recommended. Other lex programs will definitely not work.
 

doc/FAQ_HPUX

@@ -3,7 +3,7 @@ Frequently Asked Questions (FAQ) for PostgreSQL 7.1
 HP-UX Specific
 TO BE READ IN CONJUNCTION WITH THE NORMAL FAQ
 =======================================================
-last updated:           $Date: 2001/04/30 23:55:26 $
+last updated:           $Date: 2002/10/22 13:46:59 $
 
 current maintainer:     Tom Lane (tgl@sss.pgh.pa.us)
 original author:        Tom Lane (tgl@sss.pgh.pa.us)
@@ -87,7 +87,7 @@ The CVS server does not store prebuilt yacc output files.
 1.4)	Linking the main postgres executable fails, complaining that
 	there's no "alloca" function. 
 
-You're using an old version of GNU bison.  Update to 1.28 or later,
+You're using an old version of GNU bison.  Update to 1.50 or later,
 and re-make the bison output files.  Or build with gcc, or update to
 HPUX 10, either of which will provide support for alloca.
 

doc/src/sgml/installation.sgml

-<!-- $Header: /cvsroot/pgsql/doc/src/sgml/installation.sgml,v 1.84 2002/10/20 01:38:18 tgl Exp $ -->
+<!-- $Header: /cvsroot/pgsql/doc/src/sgml/installation.sgml,v 1.85 2002/10/22 13:46:59 tgl Exp $ -->
 
 <chapter id="installation">
  <title><![%standalone-include[<productname>PostgreSQL</>]]>
@@ -286,7 +286,7 @@ JAVACMD=$JAVA_HOME/bin/java
       are needed to build a CVS checkout or if you changed the actual
       scanner and parser definition files. If you need them, be sure
       to get <application>Flex</> 2.5.4 or later and
-      <application>Bison</> 1.28 or later. Other <application>yacc</>
+      <application>Bison</> 1.50 or later. Other <application>yacc</>
       programs can sometimes be used, but doing so requires extra
       effort and is not recommended. Other <application>lex</>
       programs will definitely not work.