--- /dev/null
+/* Synched up with: FSF 19.31. */
+
+#include "irix3-3.h"
+
+#define USG5_3
+#define IRIX4
+
+#undef NEED_SIOCTL
+
+/* use K&R C */
+/* XEmacs change -- use ANSI, not K&R */
+#ifndef __GNUC__
+#define C_SWITCH_SYSTEM "-xansi"
+#endif
+
+/* SGI has all the fancy wait stuff, but we can't include sys/wait.h
+ because it defines BIG_ENDIAN and LITTLE_ENDIAN (ugh!.) Instead
+ we'll just define WNOHANG right here.
+ (An implicit decl is good enough for wait3.) */
+/* [XEmacs: Now that we don't use BIG_ENDIAN/LITTLE_ENDIAN, it's safe
+ to include wait.h. Should something change here?] */
+
+#define WNOHANG 0x1
+
+/* jpff@maths.bath.ac.uk reports `struct exception' is not defined
+ on this system, so inhibit use of matherr. */
+#define NO_MATHERR