* coff-solib.c (coff_solib_add): Cast result of alloca().

	* coff-solib.c (coff_solib_add):  Cast result of alloca().
	* m68k-tdep.c (m68k_saved_pc_after_call):  Get rid of
	GDB_TARGET_IS_SUN3.  Use more general SYSCALL_TRAP macro.
	* config/m68k/m68klynx.mh (NATDEPFILES):  Remove exec.o (it's
	already in TDEPFILES).
	* config/m68k/tm-m68k.h (SAVED_PC_AFTER_CALL):  Use
	m68k_saved_pc_after_call.
	* Remove all Sun3 specific stuff.
	* (FIX_CALL_DUMMY):  Cast arg to bfd_putb32 to unsigned char *.
	* config/m68k/tm-m68klynx.h:  Define SYSCALL_TRAP as trap #10.
	Disable REMOTE_BREAKPOINT mechanism.
	* config/m68k/tm-sun3.h:  Get rid of GDB_TARGET_IS_SUN3.
	* Protect from multiple includion.
	* Move Sun3 specific stuff from tm-m68k.h to here.
	* Define SYSCALL_TRAP as trap #0.
	* Remove def of SAVED_PC_AFTER_CALL (now in tm-m68k.h).
	* gdbserver/low-lynx.c:  Redo all register store/fetch stuff to
	make it portable for 386 and 68k.