2007-10-18  Francois-Xavier Coudert  <fxcoudert@gcc.gnu.org>
	    Jerry DeLisle  <jvdelisle@gcc.gnu.org>

	PR libfortran/33795
	* libgfortran.h: Add unbuffered_preconnected.
	* io/unix.c (output_stream): Set stream unbuffered flag if
	options.unbuffered_preconnected has been set.
	(error_stream): Ditto.
	* runtime/environ.c (variable_table): Add to environment variable table
	the entry: GFORTRAN_UNBUFFERED_PRECONNECTED. 

Co-Authored-By: Jerry DeLisle <jvdelisle@gcc.gnu.org>

From-SVN: r129470