--- gcc/config/i386/sco4.h	2018/04/24 18:10:27	1.1
+++ gcc/config/i386/sco4.h	2018/04/24 18:16:56	1.1.1.2
@@ -61,7 +61,7 @@ the Free Software Foundation, 675 Mass A
    Specify predefined symbols in preprocessor.  */
 
 #undef CPP_PREDEFINES
-#define CPP_PREDEFINES "-Di386 -Dunix"
+#define CPP_PREDEFINES "-Di386 -Dunix -Asystem(unix) -Asystem(svr3) -Acpu(i386) -Amachine(i386)"
 
 #undef CPP_SPEC
 #define CPP_SPEC \
@@ -79,20 +79,3 @@ the Free Software Foundation, 675 Mass A
     -DM_COFF -DM_BITFIELDS -DM_WORDSWAP \
     %{scointl:-D_M_INTERNAT -DM_INTERNAT} \
     %{traditional:-D_KR -D_SVID -D_NO_PROTOTYPE}}}}"
-
-/* Assembler bugs are suspected in floating constants.
-   So output them as hex.  */
-
-#undef ASM_OUTPUT_DOUBLE
-#define ASM_OUTPUT_DOUBLE(FILE,VALUE)  \
-do { long l[2];						\
-     REAL_VALUE_TO_TARGET_DOUBLE (VALUE, l);		\
-     fprintf (FILE, "%s 0x%x,0x%x\n", ASM_LONG, l[0], l[1]); \
-   } while (0)
-
-#undef ASM_OUTPUT_FLOAT
-#define ASM_OUTPUT_FLOAT(FILE,VALUE)  \
-do { long l;					\
-     REAL_VALUE_TO_TARGET_SINGLE (VALUE, l);	\
-     fprintf ((FILE), "%s 0x%x\n", ASM_LONG, l);	\
-   } while (0)