51 lines
1 KiB
Makefile
51 lines
1 KiB
Makefile
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D := util/topgen
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# Rule to build topgen.
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define build-topgen-impl
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$(call reset)
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$(eval cflags += -I$(OBJDIR)/$D -I$D)
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$(call cfile, $D/LLlex.c)
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$(call cfile, $D/hash.c)
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$(call cfile, $D/main.c)
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$(call cfile, $D/pattern.c)
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$(call cfile, $D/symtab.c)
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$(eval $q: $(OBJDIR)/$D/Lpars.h)
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$(call llgen, $(OBJDIR)/$D, $D/topgen.g)
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$(call file, $(LIBASSERT))
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$(call file, $(LIBPRINT))
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$(call file, $(LIBALLOC))
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$(call file, $(LIBSYSTEM))
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$(call file, $(LIBSTRING))
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$(call cprogram, $(BINDIR)/topgen)
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TOPGEN := $o
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endef
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$(eval $(build-topgen-impl))
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# Rule to invoke to *use* LLgen.
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#
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# $1: directory to put output files
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# $2: input files
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#
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# Output files are *not* compiled (gen.c is expected to be included by
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# something).
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define topgen-impl
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$(eval CLEANABLES += $1/gen.h $1/gen.c)
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$1/gen.h: $1/gen.c
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$1/gen.c: $2 $(TOPGEN)
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@echo TOPGEN $$@
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@mkdir -p $$(dir $$@)
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$(hide) $(RM) $1/gen.h $1/gen.c
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$(hide) cd $$(dir $$@) && $(abspath $(TOPGEN)) $(abspath $2)
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endef
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topgen = $(eval $(call topgen-impl,$1,$2))
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