--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/s/sunos4-1.h	Mon Aug 13 08:45:50 2007 +0200
@@ -0,0 +1,52 @@
+/* Synched up with: FSF 19.31. */
+
+#include "sunos4-0.h"
+
+/* 4.1.1 makes these system calls interruptible.  */
+
+#define INTERRUPTIBLE_OPEN
+#define INTERRUPTIBLE_CLOSE
+#define INTERRUPTIBLE_IO
+
+/* Cause the compilation of oldxmenu to use the right -I option.  */
+#define OLDXMENU_OPTIONS CFLAGS=C_SWITCH_SYSTEM
+
+#if 0 /* RMSmacs */
+FSF says the following, but apparently the HAVE_RES_INIT stuff takes
+care of it properly?
+/* #if 0 This isn't right.  Apparently some sites do have -lresolv
+	 but don't use that.  On those systems, the code below loses.
+	 There's no way to win automatically unless someone
+	 figures out a way of determining automatically which way is right
+	 on any given system.  */
+#endif
+
+/* Some systems do not run the Network Information Service, but have
+   modified the shared C library to include resolver support without
+   also changing the C archive library (/usr/lib/libc.a).  If we
+   detect the presence of libresolv.a, use -lresolv to supplement libc.a.
+
+   We used to have #ifdef HAVE_GETHOSTNAME is to prevent configure from
+   setting libsrc_libs to -lresolv in lib-src/Makefile.  But nowadays
+   configure is smarter about computing libsrc_libs, and would not
+   be fooled.  Anyway, why not use -lresolv in lib-src?  */
+/* #ifdef HAVE_GETHOSTNAME */
+/* XEmacs change: -lresolve should be added only if we have RES_INIT,
+   not if we don't */
+#ifdef HAVE_RES_INIT
+#define LIBS_SYSTEM -lresolv
+#endif
+/* #endif */
+
+#if 0 /* Not necessary, since SYSTEM_MALLOC is defined in sunos4-0.h.  */
+/* Tell GNU malloc to compensate for a bug in localtime.  */
+#define SUNOS_LOCALTIME_BUG
+#endif
+
+/* Define dlopen, dlclose, dlsym.  */
+#define USE_DL_STUBS
+
+/* SunOS does not define strerror since it is ANSI C, but SunPro C does. */
+#if !defined(HAVE_STRERROR) && defined(__SUNPRO_C)
+#define HAVE_STRERROR
+#endif