* config.gcc (sparc-*-netbsdelf*): Include dbxelf.h
	(sparc64-*-openbsd*): Likewise.
	(sparclite-*-elf*): Include tm-dwarf2.h.
	(sparc86x-*-elf*): Likewise.
	(sparc64-*-elf*): Likewise.
	* config/sparc/linux64.h (DWARF2_DEBUGGING_INFO): Delete.
	(DBX_DEBUGGING_INFO): Likewise.
	* config/sparc/liteelf.h (DWARF2_DEBUGGING_INFO): Likewise.
	(PREFERRED_DEBUGGING_TYPE): Likewise.
	* config/sparc/netbsd-elf.h (PREFERRED_DEBUGGING_TYPE): Likewise.
	* config/sparc/sp64-elf.h (DBX_DEBUGGING_INFO): Likewise.
	(PREFERRED_DEBUGGING_TYPE): Likewise.
	* config/sparc/sp86x-elf.h (DWARF2_DEBUGGING_INFO 1): Likewise.
	(PREFERRED_DEBUGGING_TYPE): Likewise.
	* config/sparc/sparc.h (DBX_DEBUGGING_INFO): Likewise.

From-SVN: r94011