2018-12-20  Maciej W. Rozycki  <macro@codesourcery.com>

	* configure.ac: Disable AC_PROG_CXX.
	* configure: Regenerate.
	* Makefile.in: Regenerate.
	* include/Makefile.in: Regenerate.
	* man/Makefile.in: Regenerate.
	* testsuite/Makefile.in: Regenerate.