1/* Template for system description header files. 2 This file describes the parameters that system description files 3 should define or not. 4 Copyright (C) 1985, 1986, 1992, 1999, 2002, 2003, 2004, 5 2005, 2006, 2007 Free Software Foundation, Inc. 6 7This file is part of GNU Emacs. 8 9GNU Emacs is free software; you can redistribute it and/or modify 10it under the terms of the GNU General Public License as published by 11the Free Software Foundation; either version 2, or (at your option) 12any later version. 13 14GNU Emacs is distributed in the hope that it will be useful, 15but WITHOUT ANY WARRANTY; without even the implied warranty of 16MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 17GNU General Public License for more details. 18 19You should have received a copy of the GNU General Public License 20along with GNU Emacs; see the file COPYING. If not, write to 21the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, 22Boston, MA 02110-1301, USA. */ 23 24/* SYSTEM_TYPE should indicate the kind of system you are using. 25 It sets the Lisp variable system-type. */ 26 27#define SYSTEM_TYPE "cygwin" 28 29/* Emacs can read input using SIGIO and buffering characters itself, 30 or using CBREAK mode and making C-g cause SIGINT. 31 The choice is controlled by the variable interrupt_input. 32 33 Define INTERRUPT_INPUT to make interrupt_input = 1 the default (use SIGIO) 34 35 Emacs uses the presence or absence of the SIGIO and BROKEN_SIGIO macros 36 to indicate whether or not signal-driven I/O is possible. It uses 37 INTERRUPT_INPUT to decide whether to use it by default. 38 39 SIGIO can be used only on systems that implement it (4.2 and 4.3). 40 CBREAK mode has two disadvantages 41 1) At least in 4.2, it is impossible to handle the Meta key properly. 42 I hear that in system V this problem does not exist. 43 2) Control-G causes output to be discarded. 44 I do not know whether this can be fixed in system V. 45 46 Another method of doing input is planned but not implemented. 47 It would have Emacs fork off a separate process 48 to read the input and send it to the true Emacs process 49 through a pipe. */ 50 51#undef INTERRUPT_INPUT 52 53/* 54 * Define HAVE_TERMIOS if the system provides POSIX-style 55 * functions and macros for terminal control. 56 * 57 * Define HAVE_TERMIO if the system provides sysV-style ioctls 58 * for terminal control. 59 * 60 * Do not define both. HAVE_TERMIOS is preferred, if it is 61 * supported on your system. 62 */ 63 64#define HAVE_TERMIOS 65 66/* 67 * Define HAVE_PTYS if the system supports pty devices. 68 */ 69 70#define HAVE_PTYS 71#define PTY_ITERATION for (i = 0; i < 1; i++) /* ick */ 72#define PTY_NAME_SPRINTF /* none */ 73#define PTY_TTY_NAME_SPRINTF /* none */ 74#define PTY_OPEN \ 75 do \ 76 { \ 77 int dummy; \ 78 SIGMASKTYPE mask; \ 79 mask = sigblock (sigmask (SIGCHLD)); \ 80 if (-1 == openpty (&fd, &dummy, pty_name, 0, 0)) \ 81 fd = -1; \ 82 sigsetmask (mask); \ 83 emacs_close (dummy); \ 84 } \ 85 while (0) 86 87/* Define this symbol if your system has the functions bcopy, etc. */ 88 89#define BSTRING 90 91/* subprocesses should be defined if you want to 92 have code for asynchronous subprocesses 93 (as used in M-x compile and M-x shell). 94 This is generally OS dependent, and not supported 95 under most USG systems. */ 96 97#define subprocesses 98 99/* Define CLASH_DETECTION if you want lock files to be written 100 so that Emacs can tell instantly when you try to modify 101 a file that someone else has modified in his Emacs. */ 102 103#define CLASH_DETECTION 104 105/* If the system's imake configuration file defines `NeedWidePrototypes' 106 as `NO', we must define NARROWPROTO manually. Such a define is 107 generated in the Makefile generated by `xmkmf'. If we don't 108 define NARROWPROTO, we will see the wrong function prototypes 109 for X functions taking float or double parameters. */ 110 111#define NARROWPROTO 1 112 113/* used in various places to enable cygwin-specific code changes */ 114#define CYGWIN 1 115 116#define PENDING_OUTPUT_COUNT(FILE) ((FILE)->_p - (FILE)->_bf._base) 117#define GETPGRP_NO_ARG 1 118#define SYSV_SYSTEM_DIR 1 119#define LIB_STANDARD_LIBSRC 120#define UNEXEC unexcw.o 121#define POSIX_SIGNALS 1 122/* force the emacs image to start high in memory, so dll relocation 123 can put things in low memory without causing all sorts of grief for 124 emacs lisp pointers */ 125#define DATA_SEG_BITS 0x20000000 126#define LINKER $(CC) -Wl,--image-base,DATA_SEG_BITS 127 128/* Use terminfo instead of termcap. Fewer environment variables to 129 go wrong, more terminal types. */ 130#define TERMINFO 131 132#define HAVE_SOCKETS 133/* C-g aborts emacs without this */ 134/*#define HAVE_VFORK*/ 135/* Xaw3d causes problems -- might have been fixed by NARROWPROTO 136 above, but I haven't tried it */ 137/*#undef HAVE_XAW3D*/ 138 139/* vfork() interacts badly with setsid(), causing ptys to fail to 140 change their controlling terminal */ 141#define vfork fork 142 143/* the end */ 144 145/* arch-tag: 5ae7ba00-83b0-4ab3-806a-3e845779191b 146 (do not change this comment) */ 147