2013-06-01  Janus Weil  <janus@gcc.gnu.org>
	    Mikael Morin  <mikael@gcc.gnu.org>

	* configure.ac: Add AC_HEADER_TIOCGWINSZ macro.
	* config.in: Regenerated.
	* configure: Regenerated.


2013-06-01  Janus Weil  <janus@gcc.gnu.org>
	    Mikael Morin  <mikael@gcc.gnu.org>

	* error.c (get_terminal_width): Only limit the width if we're
	outputting to a terminal. Try to determine width via ioctl.

Co-Authored-By: Mikael Morin <mikael@gcc.gnu.org>

From-SVN: r199585