--- gcc/config/m68k/3b1.h	2018/04/24 18:10:24	1.1
+++ gcc/config/m68k/3b1.h	2018/04/24 18:20:49	1.1.1.3
@@ -1,10 +1,8 @@
 /* Definitions of target machine for GNU compiler.
    AT&T UNIX PC version (pc7300, 3b1)
+   Written by Alex Crain (alex@umbc3.umd.edu).
 
-   Written by Alex Crain
-   bug reports to alex@umbc3.umd.edu
-
-   Copyright (C) 1987 Free Software Foundation, Inc.
+   Copyright (C) 1987, 1993 Free Software Foundation, Inc.
 
 This file is part of GNU CC.
 
@@ -80,7 +78,7 @@ output_file_directive ((FILE), main_inpu
 /* ihnp4!lmayk!lgm@eddie.mit.edu says mc68000 and m68k should not be here.  */
 
 #undef CPP_PREDEFINES
-#define CPP_PREDEFINES "-Dmc68k -Dunix -Dunixpc"
+#define CPP_PREDEFINES "-Dmc68k -Dunix -Dunixpc -D__motorola__ -Asystem(unix)  -Asystem(svr3) -Acpu(m68k) -Amachine(m68k)"
 
 #undef REGISTER_NAMES
 #define REGISTER_NAMES \
@@ -181,7 +179,10 @@ do { long l;					\
 /* The beginnings of sdb support... */
 
 #define ASM_OUTPUT_SOURCE_FILENAME(FILE, FILENAME) \
-  fprintf (FILE, "\tfile\t\"%s\"\n", FILENAME)
+  do {	fprintf (FILE, "\tfile\t");		\
+	output_quoted_string (FILE, FILENAME);	\
+	fprintf (FILE, "\n");			\
+  } while (0)
 
 #define ASM_OUTPUT_SOURCE_LINE(FILE, LINENO)	\
   fprintf (FILE, "\tln\t%d\n",			\
@@ -191,7 +192,7 @@ do { long l;					\
 /* Yet another null terminated string format. */
 
 #define ASM_OUTPUT_ASCII(FILE,PTR,LEN) \
-  { register int sp = 0, lp = 0; \
+  do { register int sp = 0, lp = 0; \
     fprintf ((FILE), "\tbyte\t"); \
   loop: \
     if ((PTR)[sp] > ' ' && ! ((PTR)[sp] & 0x80) && (PTR)[sp] != '\\') \
@@ -207,7 +208,7 @@ do { long l;					\
 	else \
 	  putc (',', (FILE)); \
 	goto loop; } \
-    putc ('\n', (FILE)); }
+    putc ('\n', (FILE)); } while (0)
 
 /* Note that in the case of the movhi which fetches an element of
    an ADDR_DIFF_VEC the offset output is too large by 2.
@@ -509,3 +510,10 @@ do { fprintf (asm_out_file, "\ttag\t");
 #define UMODSI3_LIBCALL "*ulrem"
 #define MULSI3_LIBCALL "*lmul"
 #define UMULSI3_LIBCALL "*ulmul"
+
+/* Definitions for collect2.  */
+
+#define OBJECT_FORMAT_COFF
+#define NO_SYS_SIGLIST
+#define MY_ISCOFF(magic) \
+ ((magic) == MC68KWRMAGIC || (magic) == MC68KROMAGIC || (magic) == MC68KPGMAGIC)