2004-10-26  Vincent Celier  <celier@gnat.com>

	* prj-env.adb: (Contains_ALI_Files): New Boolean function
	(Ada_Objects_Path.Add): For a library project, add to the object path
	the library directory only if there is no object directory or if the
	library directory contains ALI files.
	(Set_Ada_Paths.Add.Recursive_Add): Ditto

From-SVN: r89661