--- a/src/m/intel386.h	Mon Aug 13 11:19:22 2007 +0200
+++ b/src/m/intel386.h	Mon Aug 13 11:20:41 2007 +0200
@@ -50,6 +50,11 @@
   Minor changes merged in 19.1.
 NOTE-END */
 
+/* Define WORD_MACHINE if addresses and such have
+ * to be corrected before they can be used as byte counts.  */
+
+/* #define WORD_MACHINE */
+
 /* Now define a symbol for the cpu type, if your compiler
    does not define it automatically:
    Ones defined so far include vax, m68000, ns16000, pyramid,
@@ -147,11 +152,22 @@
 
 #ifdef USG
 
+#if 0 /* ALLOCA is now autodetected */
+#define HAVE_ALLOCA
+#endif
 #define NO_REMAP 
 #define TEXT_START 0
 #endif /* USG */
 #endif /* not XENIX */
 
+#ifdef USG5_4
+#define DATA_SEG_BITS 0x08000000
+#endif
+
+#ifdef MSDOS
+#define NO_REMAP
+#endif
+
 #ifdef linux
 /* libc-linux/sysdeps/linux/i386/ulimit.c says that due to shared library, */
 /* we cannot get the maximum address for brk */