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Only look for bison as YACC; other yaccs need to be selected explicitly.

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When no suitable YACC is configured, supply useful informational messages
to users.  (Same way flex has been handled for a while.)
This commit is contained in:
Peter Eisentraut
2001-02-10 22:31:42 +00:00
parent 20edc4afd2
commit 2660803697
10 changed files with 388 additions and 347 deletions
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6
src/backend/bootstrap/Makefile
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@ -2,7 +2,7 @@
#
# Makefile for the bootstrap module
#
# $Header: /cvsroot/pgsql/src/backend/bootstrap/Makefile,v 1.26 2000/10/20 21:03:41 petere Exp $
# $Header: /cvsroot/pgsql/src/backend/bootstrap/Makefile,v 1.27 2001/02/10 22:31:42 petere Exp $
#
#-------------------------------------------------------------------------
@ -42,10 +42,14 @@ endef
$(srcdir)/bootparse.c $(srcdir)/bootstrap_tokens.h: bootparse.y Makefile
ifdef YACC
$(YACC) -d $(YFLAGS) $<
$(sed-magic) < y.tab.c > $(srcdir)/bootparse.c
$(sed-magic) < y.tab.h > $(srcdir)/bootstrap_tokens.h
rm -f y.tab.c y.tab.h
else
@$(missing) bison $< $@
endif
$(srcdir)/bootscanner.c: bootscanner.l Makefile
ifdef FLEX