--- /dev/null
+/* System description file for HI-UX. */
+
+#define BSD 198911 /* system version (year & month) */
+#define DBL_DIG 15 /* same as the definition of <float.h> */
+#include "bsd4-3.h"
+
+/* Identify OSF1 for the m- files. */
+
+#define OSF1
+
+/* To avoid to include the non-existant header file <sys/vlimit.h>,
+ we define BSD4_2.
+ This definition does not mean that the OS is based on BSD 4.2. */
+#define BSD4_2
+
+/* Define _BSD to tell the include files we're running under
+ the BSD universe and not the SYSV universe.
+ Define HITACHI and OSF for Xt's Boolean type as int intead of char.
+ (But for these defines, /usr/include/X11/Intrinsic.h defines
+ Boolean as char, but libXt.a on HI-UX/MPP requires it as int.) */
+
+#define C_SWITCH_SYSTEM -D_BSD -DHITACHI -DOSF
+#define LIBS_SYSTEM -lbsd
+
+#define GETPGRP_NO_ARG
+
+#define SYSV_SYSTEM_DIR
+
+/* If your system uses COFF (Common Object File Format) then define the
+ preprocessor symbol "COFF". */
+
+/* #define COFF */
+
+/* Here is how to find X Windows. LD_SWITCH_X_SITE_AUX gives an -R option
+ says where to find X windows at run time. We convert it to a -rpath option
+ which is what OSF1 uses. */
+#define LD_SWITCH_SYSTEM
+
+#undef KERNEL_FILE
+#define KERNEL_FILE "/mach_kernel"
+
+#undef LDAV_SYMBOL
+#define LDAV_SYMBOL "avenrun"
+