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Jim Blandy
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src/s/gnu-linux.h
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213
src/s/gnu-linux.h
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From johnsonm@stolaf.edu Thu Apr 29 23:04:42 1993
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Status: RO
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X-VM-v5-Data: ([nil nil nil nil nil nil nil nil nil]
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["6194" "Thu" "29" "April" "93" "21:50:38" "CDT" "Michael K Johnson" "johnsonm@stolaf.edu " nil "194" "linux.h file as promised" "^From:" nil nil "4"])
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Received: by occs.cs.oberlin.edu (5.65/DEC-Ultrix/4.3-ccpvt-12/92)
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id AA16177; Thu, 29 Apr 1993 23:04:37 -0400
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Received: from nic.stolaf.edu by churchy.gnu.ai.mit.edu (5.65/4.0) with SMTP
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id <AA23757@churchy.gnu.ai.mit.edu>; Thu, 29 Apr 93 22:50:50 -0400
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Received: from lars.acc-admin.stolaf.edu (lars.acc.stolaf.edu) by stolaf.edu (4.1/SMI-4.1)
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id AA21175; Thu, 29 Apr 93 21:50:38 CDT
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Message-Id: <9304300250.AA21175@stolaf.edu>
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Received: by lars.acc-admin.stolaf.edu (4.1/SMI-4.1)
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id AA26266; Thu, 29 Apr 93 21:50:37 CDT
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From: johnsonm@stolaf.edu (Michael K Johnson)
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To: emacs-19-alpha@gnu.ai.mit.edu
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Subject: linux.h file as promised
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Date: Thu, 29 Apr 93 21:50:38 CDT
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Here is the linux.h file that I used to compile emacs 19 with the
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patches that I just sent to the list in my last message.:
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michaelkjohnson
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--------8<--------linux.h
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/* This file is the configuration file for the Linux operating system.
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Copyright (C) 1985, 1986, 1992 Free Software Foundation, Inc.
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Some changes copyright (C) 1993 Michael K. Johnson and Rik Faith.
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This file is part of GNU Emacs.
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GNU Emacs is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2, or (at your option)
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any later version.
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GNU Emacs is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with GNU Emacs; see the file COPYING. If not, write to
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the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */
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/*
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* Define symbols to identify the version of Unix this is.
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* Define all the symbols that apply correctly.
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*/
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/* #define UNIPLUS */
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/* #define USG5 */
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#define USG
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#define BSD
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#define LINUX
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/* SYSTEM_TYPE should indicate the kind of system you are using.
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It sets the Lisp variable system-type. */
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#define SYSTEM_TYPE "linux" /* All the best software is free. */
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/* Emacs can read input using SIGIO and buffering characters itself,
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or using CBREAK mode and making C-g cause SIGINT.
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The choice is controlled by the variable interrupt_input.
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Define INTERRUPT_INPUT to make interrupt_input = 1 the default (use SIGIO)
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SIGIO can be used only on systems that implement it (4.2 and 4.3).
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CBREAK mode has two disadvatages
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1) At least in 4.2, it is impossible to handle the Meta key properly.
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I hear that in system V this problem does not exist.
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2) Control-G causes output to be discarded.
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I do not know whether this can be fixed in system V.
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Another method of doing input is planned but not implemented.
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It would have Emacs fork off a separate process
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to read the input and send it to the true Emacs process
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through a pipe.
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*/
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/* There have been suggestions made to add SIGIO to Linux. If this
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is done, you may, at your discretion, uncomment the line below.
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*/
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/* #define INTERRUPT_INPUT */
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/* Letter to use in finding device name of first pty,
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if system supports pty's. 'p' means it is /dev/ptyp0 */
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#define FIRST_PTY_LETTER 'p'
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/*
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* Define HAVE_TERMIOS if the system provides POSIX-style
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* functions and macros for terminal control.
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*/
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#define HAVE_TERMIOS
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/*
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* Define HAVE_TIMEVAL if the system supports the BSD style clock values.
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* Look in <sys/time.h> for a timeval structure.
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*/
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#define HAVE_TIMEVAL
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/*
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* Define HAVE_SELECT if the system supports the `select' system call.
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*/
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#define HAVE_SELECT
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/*
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* Define HAVE_PTYS if the system supports pty devices.
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*/
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#define HAVE_PTYS
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/* Uncomment this later when other problems are dealt with -mkj */
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/* #define HAVE_SOCKETS */
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/* Define this symbol if your system has the functions bcopy, etc. */
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#define BSTRING
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/* subprocesses should be defined if you want to
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have code for asynchronous subprocesses
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(as used in M-x compile and M-x shell).
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This is generally OS dependent, and not supported
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under most USG systems. */
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#define subprocesses
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/* define MAIL_USE_FLOCK if the mailer uses flock
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to interlock access to /usr/spool/mail/$USER.
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The alternative is that a lock file named
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/usr/spool/mail/$USER.lock. */
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/* Both are used in Linux by different mail programs. I assume that most
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people are using newer mailers that have heard of flock. Change this
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if you need to. */
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#define MAIL_USE_FLOCK
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/* Define CLASH_DETECTION if you want lock files to be written
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so that Emacs can tell instantly when you try to modify
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a file that someone else has modified in his Emacs. */
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/* #define CLASH_DETECTION */
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/* Here, on a separate page, add any special hacks needed
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to make Emacs work on this system. For example,
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you might define certain system call names that don't
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exist on your system, or that do different things on
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your system and must be used only through an encapsulation
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(Which you should place, by convention, in sysdep.c). */
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/* If you mount the proc file system somewhere other than /proc
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you will have to uncomment the following and make the proper
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changes */
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/* #define LINUX_LDAV_FILE "/proc/loadavg" */
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/* This is needed for disknew.c:update_frame() */
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#define PENDING_OUTPUT_COUNT(FILE) ((FILE)->_pptr - (FILE)->_pbase)
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/* Linux has crt0.o in a non-standard place */
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#define START_FILES pre-crt0.o /usr/lib/crt0.o
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/* Linux has SIGIO defined, but not implemented, as of version 0.99.8
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* What an ugly kludge! This will not be necessary if the
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* INTERRUPT_INPUT define gets fully implemented.
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*/
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#ifdef emacs
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#include <signal.h>
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#undef SIGIO
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#endif
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/* This is needed for sysdep.c */
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#define HAVE_RENAME
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#define HAVE_UNISTD_H /* for getpagesize.h */
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#define HAVE_ALLOCA_H /* for getdate.y */
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#define NO_SIOCTL_H /* don't have sioctl.h */
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#define HAVE_DUP2 /* is builtin */
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#define HAVE_RANDOM /* is builtin */
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#define HAVE_CLOSEDIR
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#define HAVE_GETPAGESIZE
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#define HAVE_VFORK
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#define HAVE_SYS_SIGLIST
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#define HAVE_GETWD /* cure conflict with getcwd? */
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#define USE_UTIME /* don't have utimes */
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#define SYSV_SYSTEM_DIR /* use dirent.h */
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#define USG_SYS_TIME /* use sys/time.h, not time.h */
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#define POSIX /* affects only getpagesize.h */
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#define POSIX_SIGNALS
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/* libc-linux/sysdeps/linux/i386/ulimit.c says that due to shared library, */
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/* we cannot get the maximum address for brk */
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#define ULIMIT_BREAK_VALUE (32*1024*1024)
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/* Best not to include -lg, unless it is last on the command line */
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#define LIBS_DEBUG
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#define LIBS_TERMCAP -ltermcap -lcurses /* save some space with shared libs*/
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#define LIB_STANDARD -lc /* avoid -lPW */
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#ifdef HAVE_X11
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#define LD_SWITCH_SYSTEM -L/usr/X386/lib
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#endif
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