Paolo Bonzini  <bonzini@gnu.org>

	PR bootstrap/14522
	* configure.in: Cope with shell that do not support nesting
	quotes inside quoted backquote substitutions.
	* configure: Regenerate.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@79325 138bc75d-0d04-0410-961f-82ee72b054a4