(ONLY_INT_FIELDS): Define if not __GNUC__.

(ONLY_INT_FIELDS): Define if not __GNUC__.
(CODE_FIELD_BUG): Likewise.

From-SVN: r2871

gcc/config/i386/xm-sco.h

@@ -9,3 +9,11 @@
 /* Big buffers improve performance.  */
 
 #define IO_BUFFER_SIZE (0x8000 - 1024)
+
+#ifndef __GNUC__
+/* The SCO compiler gets it wrong, and treats enumerated bitfields
+   as signed quantities, making it impossible to use an 8-bit enum
+   for compiling GNU C++.  */
+#define ONLY_INT_FIELDS 1
+#define CODE_FIELD_BUG 1
+#endif