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392f3caef6
The option --header was introduced in version 2.5.6. The option --header-file was introduced in version 2.6.4. Reported by Bruno Haible. https://lists.gnu.org/r/bug-bison/2020-05/msg00013.html So use --header, and do bother with versions that don't support it. * m4/flex.m4: Check whether flex supports --header. * configure.ac (FLEX_WORKS, FLEX_CXX_WORKS): Set to false if it doesn't. * * examples/c/reccalc/local.mk, examples/c/reccalc/Makefile: Use --header rather than --header-file.
36 lines
758 B
Makefile
36 lines
758 B
Makefile
# This Makefile is designed to be simple and readable. It does not
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# aim at portability. It requires GNU Make.
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BASE = reccalc
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BISON = bison
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FLEX = flex
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XSLTPROC = xsltproc
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all: $(BASE)
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%.c %.h %.xml %.gv: %.y
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$(BISON) $(BISONFLAGS) --defines --xml --graph=$*.gv -o $*.c $<
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%.c %.h: %.l
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$(FLEX) $(FLEXFLAGS) -o$*.c --header=$*.h $<
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scan.o: parse.h
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parse.o: scan.h
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$(BASE): parse.o scan.o
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$(CC) $(CFLAGS) -o $@ $^
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run: $(BASE)
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@echo "Type arithmetic expressions. Quit with ctrl-d."
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./$<
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html: parse.html
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%.html: %.xml
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$(XSLTPROC) $(XSLTPROCFLAGS) -o $@ $$($(BISON) --print-datadir)/xslt/xml2xhtml.xsl $<
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CLEANFILES = \
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$(BASE) *.o \
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parse.[ch] parse.output parse.xml parse.html parse.gv \
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scan.[ch]
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clean:
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rm -f $(CLEANFILES)
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