* testsuite/Makefile.am (AUTOMAKE_OPTIONS): Drop dejagnu.
	(RUNTEST): Don't define.
	(RUNTESTDEFAULTFLAGS): Add.
	(check-DEJAGNU, site.exp, distclean-DEJAGNU): New goals.
	(distclean-am): Depend on distclean-DEJAGNU.
	(check-am): If -j% option is present in MFLAGS and if
	`getconf _NPROCESSORS_ONLN` is more than 8, export OMP_NUM_THREADS=8.
	(.PHONY): Add check-DEJAGNU and distclean-DEJAGNU.
	* testsuite/Makefile.in: Regenerated.

From-SVN: r266482