2008-08-05  Vincent Celier  <celier@adacore.com>

	* make.adb (Switches_Of): Check for Switches (others), before checking
	for Default_Switches ("Ada").
	(Gnatmake): Use Builder'Switches (others) in preference to
	Builder'Default_Switches ("Ada") if there are several mains.

	* prj-attr-pm.adb:
	(Add_Attribute): Add component Others_Allowed in Attribute_Record
	aggregate.

	* prj-attr.adb:
	Add markers to indicates that attributes Switches allow others as index
	(Others_Allowed_For): New Boolean function, returning True for
	attributes with the mark.
	(Initialize): Recognize optional letter 'O' as the marker for
	associative array attributes where others is allowed as the index.

	* prj-attr.ads:
	(Others_Allowed_For): New Boolean function
	(Attribute_Record): New Boolean component Others_Allowed
	
	* prj-dect.adb:
	(Parse_Attribute_Declaration): For associative array attribute where
	others is allowed as the index, allow others as an index.

	* prj-nmsc.adb:
	(Process_Binder): Skip associative array attributes with index others
	(Process_Compiler): Ditto

	* prj-util.adb:
	(Value_Of (Index, In_Array)): Make no attempt to put in lower case when
	index is All_Other_Names.

	* prj.ads:
	(All_Other_Names): New constant

From-SVN: r138683