* ansi.test, texinfo.test, empty.test, insh2.test, texinfo8.test:

	* ansi.test, texinfo.test, empty.test, insh2.test, texinfo8.test:
	Remove @SET_MAKE@ before using Makefile.
	* backsl2.test: Don't add AC_PROG_MAKE_SET in configure.in;
	already done.
	* defs: Put AC_PROG_MAKE_SET in configure.in.
	* acoutnoq.test, acoutput.test, acoutqnl.test, acouttbs.test,
	acouttbs2.test, colon.test, colon2.test, colon3.test, colon4.test,
	colon5.test, colon6.test, colon7.test, conf2.test, confh.test,
	confh2.test, confh3.test, confh4.test, config.test, depend3.test,
	discover.test, fpinst2.test, gnits.test, ldadd.test, libobj.test,
	libobj10.test, libobj2.test, libobj6.test, libobj7.test,
	libobj8.test, libobj9.test, output.test, output2.test,
	output3.test, output4.test, output5.test, package.test,
	parse.test, pr2.test, remake.test, remake2.test, scripts.test,
	stamph.test, texinfo8.test: Likewise.