#include "usg5-3.h"
+/* With this defined, subprocesses made by (e.g.) M-x grep don't exit
+ cleanly, they just hang. ISC 2.2.1 does have select, in the -linet
+ library, but I guess it's not what Emacs needs. --karl@cs.umb.edu
+#define HAVE_SELECT */
+
+/* Although ISC has sockets, again in -linet, again it's not what Emacs
+ needs. With this defined, interrupt-shell-subjob and the like do
+ nothing. --karl@cs.umb.edu
+#define HAVE_SOCKETS */
+
+
+/* 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
+
+/* We can support lock files. */
+#define CLASH_DETECTION
+#define NO_FCHMOD
+
#define HAVE_PTYS
#define HAVE_RENAME
#define HAVE_CLOSEDIR
#define MAXNAMLEN 512
-#define LIB_STANDARD -lPW -lcposix -lc
#define O_NDELAY O_NONBLOCK
#define MEMORY_IN_STRING_H
-#undef SIGTSTP
+
+/* -lcposix is always needed for rename. -lPW is only needed if not gcc. */
+#ifdef __GNUC__
+#define LIB_STANDARD -lcposix -lc
+#else
+#define LIB_STANDARD -lPW -lcposix -lc
+#endif
+
+/* mt00@etherm.co.uk says this is needed for process.c. */
+#define USE_UTIME
+
+#define NO_X_DESTROY_DATABASE
/* This communicates with m-intel386.h. */
#define DONT_DEFINE_SIGNAL
-/* May be needed to avoid undefined symbols
- such as gethostname, inet_addr, gethostbyname, socket, connect... */
+/* May be needed to avoid undefined symbols such as gethostname,
+ inet_addr, gethostbyname, socket, connect, ... But if we are not
+ compiling with X support, it's not needed. */
+#ifdef HAVE_X_WINDOWS
#define LIBS_SYSTEM -linet
+#endif
/* This system has job control. */
#undef NOMULTIPLEJOBS
+
+/* 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
+
+/* The POSIX-ified system headers don't work with GCC. */
+#ifdef __GNUC__
+#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