-/* Definitions file for GNU Emacs running on AT&T's System V Release 3
- Copyright (C) 1987, 1999, 2001, 2002, 2003, 2004, 2005, 2006,
- 2007, 2008 Free Software Foundation, Inc.
+/* Definitions file for GNU Emacs running on AT&T's System V Release 4
+ Copyright (C) 1987, 1990, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
+ 2006, 2007, 2008 Free Software Foundation, Inc.
This file is part of GNU Emacs.
You should have received a copy of the GNU General Public License
along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>. */
-
-/*
- * Define symbols to identify the version of Unix this is.
- * Define all the symbols that apply correctly.
+/* This file written by James Van Artsdalen of Dell Computer Corporation.
+ * james@bigtex.cactus.org. Subsequently improved for Dell 2.2 by Eric
+ * S. Raymond <esr@snark.thyrsus.com>.
*/
+/* Use the SysVr3 file for at least base configuration. */
+
#define USG /* System III, System V, etc */
#define USG5
-
-#define USG5_3
+#define USG5_4
/* SYSTEM_TYPE should indicate the kind of system you are using.
It sets the Lisp variable system-type. */
#define SYSTEM_TYPE "usg-unix-v"
-/* nomultiplejobs should be defined if your system's shell
- does not have "job control" (the ability to stop a program,
- run some other program, then continue the first one). */
-
-#define NOMULTIPLEJOBS
-
/* Default is to set interrupt_input to 0: don't do input buffering within Emacs */
/* #define INTERRUPT_INPUT */
-/* Letter to use in finding device name of first pty,
- if system supports pty's. 'p' means it is /dev/ptyp0 */
-
-#define FIRST_PTY_LETTER 'p'
-
/*
* Define HAVE_TERMIO if the system provides sysV-style ioctls
* for terminal control.
#define TERMINFO
-/* Some variants have TIOCGETC, but the structures to go with it
- are not declared. */
-
-#define BROKEN_TIOCGETC
-
-/* AT&T SVr3 X wants to be linked with shared libraries */
-
-#define LIB_X11_LIB -lX11_s
-
-/* X needs to talk on the network, so search the network library. */
-
-#define LIBX11_SYSTEM -lpt -lnls -lnsl_s -lc_s
/* The docs for system V/386 suggest v.3 has sigpause,
so let's give it a try. */
#define HAVE_SYSV_SIGPAUSE
-/* Some variants have TIOCGWINSZ, but the structures to go with it
- are not declared. */
-
-#define BROKEN_TIOCGWINSZ
/* If we're using the System V X port, BSD bstring functions will be handy */
#define SIGTYPE void
-/* arch-tag: 2bca65fd-f015-44b9-a2aa-9f8170ce89ca
+#define START_FILES pre-crt0.o /usr/ccs/lib/crt1.o /usr/ccs/lib/crti.o /usr/ccs/lib/values-Xt.o
+#define LIB_STANDARD -lc /usr/ccs/lib/crtn.o
+
+/* there are no -lg libraries on this system, and no libPW */
+
+#define LIBS_DEBUG
+
+/* Undump with ELF */
+
+#undef COFF
+
+#define UNEXEC unexelf.o
+
+/* <sys/stat.h> *defines* stat(2) as a static function. If "static"
+ * is blank, then many files will have a public definition for stat(2).
+ */
+
+#undef static
+
+/* Get FIONREAD from <sys/filio.h>. Get <sys/ttold.h> to get struct
+ * tchars. But get <termio.h> first to make sure ttold.h doesn't
+ * interfere. And don't try to use SIGIO yet.
+ */
+
+#ifndef NOT_C_CODE
+#include <sys/wait.h>
+#endif
+
+#ifdef emacs
+#ifndef NO_FILIO_H
+#include <sys/filio.h>
+#endif
+#include <termio.h>
+#include <sys/ttold.h>
+#include <signal.h>
+#include <sys/stream.h>
+#include <sys/stropts.h>
+#include <sys/termios.h>
+#define BROKEN_SIGIO
+#endif
+
+/* Some SVr4s don't define NSIG in sys/signal.h for ANSI environments;
+ * instead, there's a system variable _sys_nsig. Unfortunately, we need the
+ * constant to dimension an array. So wire in the appropriate value here.
+ */
+#define NSIG_MINIMUM 32
+
+/* We need bss_end from emacs.c for undumping */
+
+#ifndef USG_SHARED_LIBRARIES
+#define USG_SHARED_LIBRARIES
+#endif
+
+/* We can support this */
+
+#define CLASH_DETECTION
+
+#define HAVE_PTYS
+#define HAVE_TERMIOS
+
+/* It is possible to receive SIGCHLD when there are no children
+ waiting, because a previous waitsys(2) cleaned up the carcass of child
+ without clearing the SIGCHLD pending info. So, use a non-blocking
+ wait3 instead, which maps to waitpid(2) in SysVr4. */
+
+#define HAVE_WAIT_HEADER
+#define WAITTYPE int
+#define wait3(status, options, rusage) \
+ waitpid ((pid_t) -1, (status), (options))
+#define WRETCODE(w) (w >> 8)
+
+/* TIOCGPGRP is broken in SysVr4, so we can't send signals to PTY
+ subprocesses the usual way. But TIOCSIGNAL does work for PTYs, and
+ this is all we need. */
+
+#define TIOCSIGSEND TIOCSIGNAL
+
+/* This change means that we don't loop through allocate_pty too many
+ times in the (rare) event of a failure. */
+
+#define FIRST_PTY_LETTER 'z'
+
+/* This sets the name of the master side of the PTY. */
+
+#define PTY_NAME_SPRINTF strcpy (pty_name, "/dev/ptmx");
+
+/* This sets the name of the slave side of the PTY. On SysVr4,
+ grantpt(3) forks a subprocess, so keep sigchld_handler() from
+ intercepting that death. If any child but grantpt's should die
+ within, it should be caught after sigrelse(2). */
+
+#define PTY_TTY_NAME_SPRINTF \
+ { \
+ char *ptsname (), *ptyname; \
+ \
+ sighold (SIGCLD); \
+ if (grantpt (fd) == -1) \
+ { emacs_close (fd); return -1; } \
+ sigrelse (SIGCLD); \
+ if (unlockpt (fd) == -1) \
+ { emacs_close (fd); return -1; } \
+ if (!(ptyname = ptsname (fd))) \
+ { emacs_close (fd); return -1; } \
+ strncpy (pty_name, ptyname, sizeof (pty_name)); \
+ pty_name[sizeof (pty_name) - 1] = 0; \
+ }
+
+/* Push various streams modules onto a PTY channel. */
+
+#define SETUP_SLAVE_PTY \
+ if (ioctl (xforkin, I_PUSH, "ptem") == -1) \
+ fatal ("ioctl I_PUSH ptem", errno); \
+ if (ioctl (xforkin, I_PUSH, "ldterm") == -1) \
+ fatal ("ioctl I_PUSH ldterm", errno); \
+ if (ioctl (xforkin, I_PUSH, "ttcompat") == -1) \
+ fatal ("ioctl I_PUSH ttcompat", errno);
+
+/* Tell x11term.c and keyboard.c we have the system V streams feature. */
+#define SYSV_STREAMS
+
+/* This definition was suggested for next release.
+ So give it a try. */
+#define HAVE_SOCKETS
+
+/* Markus Weiand <weiand@khof.com> says this is needed for Motif on
+ SINIX. */
+#define LIBS_SYSTEM -lgen
+
+/* arch-tag: 1a0ed909-5faa-434b-b7c3-9d86c63d53a6
(do not change this comment) */
HCoop / bpt / emacs.git / blobdiff