1/* Handcrafted s-mac.h file for building GNU Emacs on Mac OS 9. 2 Copyright (C) 1999, 2000, 2001, 2002, 2003, 2004, 3 2005, 2006, 2007 Free Software Foundation, Inc. 4 5This file is part of GNU Emacs. 6 7GNU Emacs is free software; you can redistribute it and/or modify 8it under the terms of the GNU General Public License as published by 9the Free Software Foundation; either version 2, or (at your option) 10any later version. 11 12GNU Emacs is distributed in the hope that it will be useful, 13but WITHOUT ANY WARRANTY; without even the implied warranty of 14MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 15GNU General Public License for more details. 16 17You should have received a copy of the GNU General Public License 18along with GNU Emacs; see the file COPYING. If not, write to 19the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, 20Boston, MA 02110-1301, USA. */ 21 22/* Contributed by Andrew Choi (akochoi@mac.com). */ 23 24/* 25 * Define symbols to identify the version of Unix this is. 26 * Define all the symbols that apply correctly. 27 */ 28 29/* #define UNIPLUS */ 30/* #define USG5 */ 31/* #define USG */ 32/* #define HPUX */ 33/* #define UMAX */ 34/* #define BSD4_1 */ 35/* #define BSD4_2 */ 36/* #define BSD4_3 */ 37/* #define BSD_SYSTEM */ 38/* #define VMS */ 39 40/* SYSTEM_TYPE should indicate the kind of system you are using. 41 It sets the Lisp variable system-type. */ 42 43#define SYSTEM_TYPE "macos" 44 45/* NOMULTIPLEJOBS should be defined if your system's shell 46 does not have "job control" (the ability to stop a program, 47 run some other program, then continue the first one). */ 48 49#define NOMULTIPLEJOBS 50 51/* Emacs can read input using SIGIO and buffering characters itself, 52 or using CBREAK mode and making C-g cause SIGINT. 53 The choice is controlled by the variable interrupt_input. 54 55 Define INTERRUPT_INPUT to make interrupt_input = 1 the default (use SIGIO) 56 57 Emacs uses the presence or absence of the SIGIO and BROKEN_SIGIO macros 58 to indicate whether or not signal-driven I/O is possible. It uses 59 INTERRUPT_INPUT to decide whether to use it by default. 60 61 SIGIO can be used only on systems that implement it (4.2 and 4.3). 62 CBREAK mode has two disadvantages 63 1) At least in 4.2, it is impossible to handle the Meta key properly. 64 I hear that in system V this problem does not exist. 65 2) Control-G causes output to be discarded. 66 I do not know whether this can be fixed in system V. 67 68 Another method of doing input is planned but not implemented. 69 It would have Emacs fork off a separate process 70 to read the input and send it to the true Emacs process 71 through a pipe. */ 72 73/* #define INTERRUPT_INPUT */ 74 75/* Letter to use in finding device name of first pty, 76 if system supports pty's. 'a' means it is /dev/ptya0 */ 77 78/* #define FIRST_PTY_LETTER 'a' */ 79 80/* 81 * Define HAVE_TERMIOS if the system provides POSIX-style 82 * functions and macros for terminal control. 83 * 84 * Define HAVE_TERMIO if the system provides sysV-style ioctls 85 * for terminal control. 86 * 87 * Do not define both. HAVE_TERMIOS is preferred, if it is 88 * supported on your system. 89 */ 90 91/* #define HAVE_TERMIOS */ 92#define HAVE_TERMIO 93 94/* 95 * Define HAVE_PTYS if the system supports pty devices. 96 */ 97 98/* #define HAVE_PTYS */ 99 100/* 101 * Define NONSYSTEM_DIR_LIBRARY to make Emacs emulate 102 * The 4.2 opendir, etc., library functions. 103 */ 104 105/* #define NONSYSTEM_DIR_LIBRARY */ 106 107/* Define this symbol if your system has the functions bcopy, etc. */ 108 109/* #define BSTRING */ 110 111/* subprocesses should be defined if you want to 112 have code for asynchronous subprocesses 113 (as used in M-x compile and M-x shell). 114 This is generally OS dependent, and not supported 115 under most USG systems. */ 116 117/* #define subprocesses */ 118 119/* If your system uses COFF (Common Object File Format) then define the 120 preprocessor symbol "COFF". */ 121 122/* #define COFF */ 123 124/* define MAIL_USE_FLOCK if the mailer uses flock 125 to interlock access to /usr/spool/mail/$USER. 126 The alternative is that a lock file named 127 /usr/spool/mail/$USER.lock. */ 128 129/* #define MAIL_USE_FLOCK */ 130 131/* Define CLASH_DETECTION if you want lock files to be written 132 so that Emacs can tell instantly when you try to modify 133 a file that someone else has modified in his Emacs. */ 134 135/* #define CLASH_DETECTION */ 136 137/* Define this if your operating system declares signal handlers to 138 have a type other than the usual. `The usual' is `void' for ANSI C 139 systems (i.e. when the __STDC__ macro is defined), and `int' for 140 pre-ANSI systems. If you're using GCC on an older system, __STDC__ 141 will be defined, but the system's include files will still say that 142 signal returns int or whatever; in situations like that, define 143 this to be what the system's include files want. */ 144/* #define SIGTYPE int */ 145 146/* If the character used to separate elements of the executable path 147 is not ':', #define this to be the appropriate character constant. */ 148/* #define SEPCHAR ':' */ 149 150/* Define this if the system can use mmap for buffer text allocation. */ 151/* #define USE_MMAP_FOR_BUFFERS 1 */ 152 153/* ============================================================ */ 154 155/* Here, add any special hacks needed 156 to make Emacs work on this system. For example, 157 you might define certain system call names that don't 158 exist on your system, or that do different things on 159 your system and must be used only through an encapsulation 160 (Which you should place, by convention, in sysdep.c). */ 161 162/* Some compilers tend to put everything declared static 163 into the initialized data area, which becomes pure after dumping Emacs. 164 On these systems, you must #define static as nothing to foil this. 165 Note that emacs carefully avoids static vars inside functions. */ 166 167/* #define static */ 168 169/* If the system's imake configuration file defines `NeedWidePrototypes' 170 as `NO', we must define NARROWPROTO manually. Such a define is 171 generated in the Makefile generated by `xmkmf'. If we don't 172 define NARROWPROTO, we will see the wrong function prototypes 173 for X functions taking float or double parameters. */ 174 175/* #define NARROWPROTO 1 */ 176 177/* ============================================================ */ 178 179/* After adding support for a new system, modify the large case 180 statement in the `configure' script to recognize reasonable 181 configuration names, and add a description of the system to 182 `etc/MACHINES'. 183 184 If you've just fixed a problem in an existing configuration file, 185 you should also check `etc/MACHINES' to make sure its descriptions 186 of known problems in that configuration should be updated. */ 187 188#ifdef __MRC__ 189/* MrC predefines signal numbers as powers of 2. */ 190#define sigmask(no) (((no) & (no) - 1) ? 1L << ((no) - 1) : (no)) 191#define __signal_max 8 /* There's enough room for the following 192 signals between 8 and 16, and the 193 maximum predefined one (32) is less 194 than 8th power of 2. */ 195#endif 196 197#define SIGHUP (__signal_max+1) 198#define SIGQUIT (__signal_max+2) 199#define SIGTRAP (__signal_max+3) 200#define SIGKILL (__signal_max+4) 201#define SIGALRM (__signal_max+5) 202#define SIGPIPE (__signal_max+6) 203 204#ifdef __MRC__ 205#define NSIG SIGTERM /* largest one in signal.h */ 206#else 207#define NSIG (__signal_max+6) 208#endif 209 210#ifdef __MRC__ 211#define PENDING_OUTPUT_COUNT(FILE) ((FILE)->_ptr - (FILE)->_base) 212#elif __MWERKS__ 213#define PENDING_OUTPUT_COUNT(FILE) ((FILE)->buffer_ptr - (FILE)->buffer) 214#endif 215 216#ifdef __MWERKS__ 217#include <errno.h> 218#ifndef ENOENT 219#define ENOENT 100 220#endif 221#ifndef EXDEV 222#define EXDEV 101 223#endif 224#ifndef EEXIST 225#define EEXIST 102 226#endif 227#ifndef EINTR 228#define EINTR 102 229#endif 230#ifndef EACCES 231#define EACCES 103 232#endif 233#ifndef ENOTDIR 234#define ENOTDIR 104 235#endif 236#ifndef EIO 237#define EIO 105 238#endif 239#ifndef EBADF 240#define EBADF 106 241#endif 242#endif 243 244#define SYSTEM_PURESIZE_EXTRA (200*1024) 245 246/* don't know what this will do, but sysdep.c needs it */ 247#define DATA_START 0 248 249/* Limited by CW's 32K limit on local data! */ 250#define READ_BUF_SIZE (8 << 10) 251 252#include <utsname.h> 253 254#define SYSV_SYSTEM_DIR 255 256#define SYSTEM_MALLOC 257 258#define _setjmp setjmp 259#define _longjmp longjmp 260 261#define _exit exit 262 263#define main emacs_main 264 265/* Include this here so it won't be include again when #include in emacs 266 sources. Then undefine the macro definitions in it for unlink, read, 267 write, access, and rmdir. */ 268#ifdef __MWERKS__ 269#include <unistd.h> 270#endif 271 272#ifndef X_OK 273#define X_OK 01 274#endif 275 276#undef unlink 277#define unlink sys_unlink 278#undef read 279#define read sys_read 280#undef write 281#define write sys_write 282#undef access 283#define access sys_access 284#undef rmdir 285#define rmdir sys_rmdir 286 287#define open sys_open 288#define creat sys_creat 289 290#define rename sys_rename 291#define fopen sys_fopen 292#define signal sys_signal 293 294#define gmtime sys_gmtime 295#define localtime sys_localtime 296#define ctime sys_ctime 297#define time sys_time 298 299#define index strchr 300#define rindex strrchr 301 302#define PTR POINTER_TYPE * /* For strftime.c. */ 303 304#define SYMS_SYSTEM syms_of_mac() 305 306#ifdef USE_LSB_TAG 307#ifdef __MRC__ 308#define DECL_ALIGN(type, var) type var 309#endif 310#endif 311 312/* Use the GC_MAKE_GCPROS_NOOPS (see lisp.h) method for marking the 313 stack. */ 314#define GC_MARK_STACK GC_MAKE_GCPROS_NOOPS 315 316/* arch-tag: 6a941c4b-a419-4d25-80ac-9335053e58b2 317 (do not change this comment) */ 318