Make the makefile pass $MAJORVERSION to genbki.pl, not $VERSION which is

overridden in the snapshot build script.  $MAJORVERSION is what it really
wanted anyway, so we can tighten up the parsing of --set-version's argument.

src/backend/catalog/Makefile

@@ -2,7 +2,7 @@
 #
 # Makefile for backend/catalog
 #
-# $PostgreSQL: pgsql/src/backend/catalog/Makefile,v 1.75 2010/01/05 01:06:56 tgl Exp $
+# $PostgreSQL: pgsql/src/backend/catalog/Makefile,v 1.76 2010/01/06 19:56:29 tgl Exp $
 #
 #-------------------------------------------------------------------------
 
@@ -55,7 +55,7 @@ postgres.shdescription: postgres.bki ;
 schemapg.h: postgres.bki ;
 
 postgres.bki: genbki.pl Catalog.pm $(POSTGRES_BKI_SRCS)
-	$(PERL) -I $(catalogdir) $< $(pg_includes) --set-version=$(VERSION) $(POSTGRES_BKI_SRCS)
+	$(PERL) -I $(catalogdir) $< $(pg_includes) --set-version=$(MAJORVERSION) $(POSTGRES_BKI_SRCS)
 
 .PHONY: install-data
 install-data: $(BKIFILES) installdirs

src/backend/catalog/genbki.pl

@@ -10,7 +10,7 @@
 # Portions Copyright (c) 1996-2010, PostgreSQL Global Development Group
 # Portions Copyright (c) 1994, Regents of the University of California
 #
-# $PostgreSQL: pgsql/src/backend/catalog/genbki.pl,v 1.4 2010/01/05 20:23:32 tgl Exp $
+# $PostgreSQL: pgsql/src/backend/catalog/genbki.pl,v 1.5 2010/01/06 19:56:29 tgl Exp $
 #
 #----------------------------------------------------------------------
 
@@ -40,7 +40,7 @@ while (@ARGV)
     {
         push @include_path, length($arg) > 2 ? substr($arg, 2) : shift @ARGV;
     }
-    elsif ($arg =~ /^--set-version=(\d+\.\d+).*$/)
+    elsif ($arg =~ /^--set-version=(\d+\.\d+)$/)
     {
         $major_version = $1;
     }