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Refactor flex and bison make rules

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Numerous flex and bison make rules have appeared in the source tree
over time, and they are all virtually identical, so we can replace
them by pattern rules with some variables for customization.

Users of pgxs will also be able to benefit from this.
This commit is contained in:
Peter Eisentraut
2012-10-11 06:57:04 -04:00
parent ab112068b6
commit 8521d13194
11 changed files with 24 additions and 126 deletions
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15
src/interfaces/ecpg/preproc/Makefile
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@ -42,20 +42,7 @@ ecpg: $(OBJS) | submake-libpgport
preproc.o: pgc.c
preproc.h: preproc.c ;
preproc.c: preproc.y
ifdef BISON
$(BISON) -d $(BISONFLAGS) -o $@ $<
else
@$(missing) bison $< $@
endif
pgc.c: pgc.l
ifdef FLEX
$(FLEX) $(FLEXFLAGS) -o'$@' $<
else
@$(missing) flex $< $@
endif
preproc.c: BISONFLAGS += -d
preproc.y: ../../../backend/parser/gram.y parse.pl ecpg.addons ecpg.header ecpg.tokens ecpg.trailer ecpg.type
$(PERL) $(srcdir)/parse.pl $(srcdir) < $< > $@