gcc/config/i386/osf1elfgdb.h - gcc - Git at Google

 /* Target definitions for GNU compiler for Intel 80386 running OSF/1 1.3+
    with gas and gdb.  */

 /* Use stabs instead of DWARF debug format.  */
 #undef PREFERRED_DEBUGGING_TYPE
 #define PREFERRED_DEBUGGING_TYPE DBX_DEBUG
	/* Target definitions for GNU compiler for Intel 80386 running OSF/1 1.3+
	with gas and gdb. */

	/* Use stabs instead of DWARF debug format. */
	#undef PREFERRED_DEBUGGING_TYPE
	#define PREFERRED_DEBUGGING_TYPE DBX_DEBUG