--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/s/mach-bsd4-3.h	Mon Aug 13 08:45:50 2007 +0200
@@ -0,0 +1,41 @@
+/* Synched up with: FSF 19.31. */
+
+/* I don't care if this doesn't do more than including bsd4-3.h;
+   Mach is not bsd4-3 and the moment you forget it chances are that
+   you're in deep shit.  */
+
+#include "bsd4-3.h"
+
+/* The rest of this stuff is XEmacs additions. */
+ 
+/* SYSTEM_TYPE should indicate the kind of system you are using.
+ It sets the Lisp variable system-type.  */
+
+#undef SYSTEM_TYPE
+#define SYSTEM_TYPE "mach"
+
+/* Define this macro if system defines a type `union wait'.  */
+
+#define HAVE_UNION_WAIT
+
+/* Don't send signals to subprocesses by "typing" special chars at them. */
+#undef SIGNALS_VIA_CHARACTERS
+
+/* XEmacs change */
+/* unistd.h defines _POSIX_VERSION, which leads some things to believe 
+   that _POSIX_PATH_MAX should be defined.  Unfortunately, it isn't. */
+#ifndef NOT_C_CODE
+#include <sys/param.h>
+#define _POSIX_PATH_MAX MAXPATHLEN
+#endif
+
+#ifndef NOT_C_CODE
+typedef int pid_t;
+/* XEmacs change */
+typedef unsigned short mode_t;
+#endif /* NOT_C_CODE */
+
+#if (defined(i386) || defined(ibmrt))
+  /* use drem() instead of fmod() -- this is a BUG in the compiler runtime. */
+# define USE_DREM
+#endif