libgomp: * configure.ac: Call AX_COUNT_CPUS. Substitute CPU_COUNT. * testsuite/Makefile.am (check-am): Use CPU_COUNT as processor count fallback. * aclocal.m4: Regenerate. * configure: Regenerate. * Makefile.in, testsuite/Makefile.in: Regenerate. config: * ax_count_cpus.m4: New file. From-SVN: r271769