* configure.in: Check for the mktemp command.

	* configure.in: Check for the mktemp command.
	* configure: Regenerate.
	* gccbug.in: Use a separate temporary file $TEMP0 for one use of
	$TEMP.  Create temporary files with mktemp, if available at
	configure time; otherwise use set -C.  Remove temporary files
	before exit.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@38671 138bc75d-0d04-0410-961f-82ee72b054a4