bctest changes for Ultrix (don't return 1 from bctest, otherwise make aborts)

	@./$(BNTEST) >tmp.bntest

	@echo quit >>tmp.bntest

	@echo "running bc"

	@<tmp.bntest sh -c "`sh ./bctest; true`" | $(PERL) -e '$$i=0; while (<STDIN>) {if (/^test (.*)/) {print STDERR "\nverify $$1";} elsif (!/^0$$/) {die "\nFailed! bc: $$_";} else {print STDERR "."; $$i++;}} print STDERR "\n$$i tests passed\n"'

	@<tmp.bntest sh -c "`sh ./bctest ignore`" | $(PERL) -e '$$i=0; while (<STDIN>) {if (/^test (.*)/) {print STDERR "\nverify $$1";} elsif (!/^0$$/) {die "\nFailed! bc: $$_";} else {print STDERR "."; $$i++;}} print STDERR "\n$$i tests passed\n"'

	@echo 'test a^b%c implementations'

	./$(EXPTEST)

done

echo "No working bc found.  Consider installing GNU bc." >&2

if [ "$1" = ignore ]; then

  echo "cat >/dev/null"

  exit 0

fi

exit 1