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Makefile.in: fix occasional parallel build failures around bison rule #1167

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Nov 4, 2024
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Makefile.in: fix occasional parallel build failures around bison rule #1167

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7 changes: 6 additions & 1 deletion Makefile.in
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Original file line number Diff line number Diff line change
Expand Up @@ -509,10 +509,15 @@ util/configlexer.c: $(srcdir)/util/configlexer.lex util/configparser.h
fi
@if test ! -f $@; then echo "No $@ : need flex and bison to compile from source repository"; exit 1; fi

util/configparser.c util/configparser.h: $(srcdir)/util/configparser.y
# Builds both util/configparser.c and util/configparser.h.
# To avoid double-building we split one target out.
util/configparser.c: $(srcdir)/util/configparser.y
@-if test ! -d util; then $(INSTALL) -d util; fi
$(YACC) -d -o util/configparser.c $(srcdir)/util/configparser.y

util/configparser.h: util/configparser.c
touch $@

clean:
rm -f *.o *.d *.lo *~ tags
rm -f unbound$(EXEEXT) unbound-checkconf$(EXEEXT) unbound-host$(EXEEXT) unbound-control$(EXEEXT) unbound-anchor$(EXEEXT) unbound-control-setup libunbound.la unbound.h
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