link.c: Add flag __gnat_separate_run_path_options.

link.c: Add flag __gnat_separate_run_path_options.

2009-04-22  Nicolas Setton  <setton@adacore.com>

	* link.c: Add flag __gnat_separate_run_path_options.

	* mlib.adb (Separate_Run_Path_Options): New subprogram.

	* mlib.ads (Separate_Run_Path_Options): Declare.

	* gnatcmd.adb (Process_Link): Add support for emitting one "rpath"
	switch per directory, rather than one "rpath" switch listing all
	directories.

	* gnatlink.adb (Process_Binder_File): Likewise.

	* make.adb (Gnatmake): Likewise.

From-SVN: r146561