--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/s/isc2-2.h	Mon Aug 13 08:45:50 2007 +0200
@@ -0,0 +1,74 @@
+/* Synched up with: FSF 19.31. */
+
+/* system description file for Interactive (ISC) Unix version 2.2 on
+   the 386.  */
+
+#include "usg5-3.h"
+
+/* select (in -linet) works okay on X ptys, but not on the serial port.
+   karl@cs.umb.edu says that with that select call, subprocesses made by
+   (e.g.) M-x grep don't exit cleanly, they just hang.  Similar problems
+   have been observed in ISC 3.0.  */
+#define BROKEN_SELECT_NON_X
+
+/* karl@cs.umb.edu says that ISC's socket support (in -linet) isn't
+   what Emacs needs; it makes interrupt-shell-subjob and the like do
+   nothing.  But that appears to have been another manifestation of
+   the broken select, so it should now be safe to define this again.  */
+#define HAVE_SOCKETS
+
+#define NO_SOCKETS_IN_FILE_SYSTEM
+#define NEED_NET_ERRNO_H
+
+/* This keeps the .cdbx section that gcc puts out when generating
+   stabs-in-coff output, so Emacs can be debugged.  --karl@cs.umb.edu. */
+#define USG_SHARED_LIBRARIES
+
+#define NO_FCHMOD
+
+#define HAVE_PTYS
+#define MAXNAMLEN 512
+#define O_NDELAY O_NONBLOCK
+#define MEMORY_IN_STRING_H
+
+/* Tell gmalloc.c that we don't have memmove (system include files to the
+   contrary!). */
+#define MEMMOVE_MISSING
+
+/* Send a signal to a subprocess by "typing" a signal character. */
+#define SIGNALS_VIA_CHARACTERS
+
+/* -lPW is only needed if not using Gcc.  We used to include -lcposix here
+   for the rename function, but some people say ISC's rename doesn't
+   work correctly with Emacs so we use Emacs' emulation instead. */
+#if defined (__GNUC__)
+#  define LIB_STANDARD_1 -lcposix
+#else /* !__GNUC__ */
+#  define LIB_STANDARD_1 -lPW
+#endif /* !__GNUC__ */
+
+/* LIB_STANDARD_1 is used both here and in LIBS_SYSTEM
+   (the latter for the sake of configure).  */
+#define LIB_STANDARD LIB_STANDARD_1 -lc
+
+#define NO_X_DESTROY_DATABASE
+
+/* -linet may be needed to avoid undefined symbols such as gethostname,
+   inet_addr, gethostbyname, socket, connect, ...  */
+#define LIBS_SYSTEM -linet LIB_STANDARD_1
+
+/* Inhibit asm code in netinet/in.h.  Strictly speaking, only necessary
+   when -traditional is being used, but it doesn't hurt to
+   unconditionally define this.  */
+#define NO_ASM
+
+/* -traditional is not necessary if the system header files are fixed to
+   define getc and putc in the absence of _POSIX_SOURCE.  GCC's from 2.4.4
+   on do this. */
+#if !defined (__GNUC__) || __GNUC__ < 2
+#  define C_SWITCH_SYSTEM -traditional
+#endif
+
+/* Some versions of ISC are said to define S_IFLNK even tho
+   they don't really support symlinks.  */
+#undef S_IFLNK