Gen_fmgrtab.sh is strange: it is a platform dependent way (because it uses

CPP) to create platform independent files. Unfortunately, that means that
every config.status (or configure) run invariably causes a relink of the
postmaster and also that we can't put these files in the distribution
(usefully). So we make it a little smarter: when the output files already
exist and it notices that it would recreate them in identical form, it
doesn't touch them. In order to avoid re-running the make rule all the time
we update a timestamp file instead.

Update release_prep accordingly. Also make Gen_fmgrtab.sh use the awk that
is detected at configure time, not necessarily named `awk' and have it check
for exit statuses a little better.

In other news... Remove USE_LOCALE from the templates, it was set to `no'
everywhere anyway. Also remove YACC and YFLAGS from the templates, configure
is smart enough to find bison or yacc itself. Use AC_PROG_YACC for that
instead of the hand-crafted code. Do not set YFLAGS to `-d'. The make rules
that need this flag should explicitly invoke it. YFLAGS should be a user
variable. Update the makefiles to that effect.

src/backend/parser/Makefile

@@ -4,7 +4,7 @@
 #    Makefile for parser
 #
 # IDENTIFICATION
-#    $Header: /cvsroot/pgsql/src/backend/parser/Makefile,v 1.25 2000/05/29 05:44:53 tgl Exp $
+#    $Header: /cvsroot/pgsql/src/backend/parser/Makefile,v 1.26 2000/06/07 16:26:41 petere Exp $
 #
 #-------------------------------------------------------------------------
 
@@ -25,12 +25,12 @@ SUBSYS.o: $(OBJS)
 	$(LD) $(LDREL) $(LDOUT) SUBSYS.o $(OBJS)
 
 gram.c parse.h: gram.y
-	$(YACC) $(YFLAGS) $<
+	$(YACC) -d $(YFLAGS) $<
 	mv y.tab.c gram.c
 	mv y.tab.h parse.h
 
 scan.c:	scan.l
-	$(LEX) $<
+	$(LEX) $(LFLAGS) $<
 	mv lex.yy.c scan.c
 
 # The following dependencies on parse.h are computed by