Migration from bison 1.x to 2.x

PR:		117086
Tested by:	-exp runs

databases/postgresql80-server/Makefile

@@ -7,7 +7,7 @@
 
 PORTNAME?=	postgresql
 PORTVERSION?=	8.0.14
-PORTREVISION?=	1
+PORTREVISION?=	2
 CATEGORIES?=	databases
 MASTER_SITES=	${MASTER_SITE_PGSQL}
 MASTER_SITE_SUBDIR=	source/v${PORTVERSION}
@@ -104,7 +104,7 @@ OPTIONS+=	INTDATE "Builds with 64-bit date/time type (server)" off
 .  if (defined(SERVER_ONLY) && defined(WITH_HIER)) || make(makesum)
 PATCH_SITES+=	http://gppl.moonbone.ru/:hier801055
 PATCHFILES+=	hier-Pg8.0.3-0.5.5.diff.gz:hier801055
-USE_BISON=	yes
+USE_BISON=	build
 .  endif
 
 .  if (defined(SERVER_ONLY) && defined(WITH_ICU)) || make(makesum)