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1.1 root 1: /* Definitions file for GNU Emacs running on IBM AIX version 3.1
2: Copyright (C) 1985, 1986, 1990 Free Software Foundation, Inc.
3:
4: This file is part of GNU Emacs.
5:
6: GNU Emacs is free software; you can redistribute it and/or modify
7: it under the terms of the GNU General Public License as published by
8: the Free Software Foundation; either version 1, or (at your option)
9: any later version.
10:
11: GNU Emacs is distributed in the hope that it will be useful,
12: but WITHOUT ANY WARRANTY; without even the implied warranty of
13: MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14: GNU General Public License for more details.
15:
16: You should have received a copy of the GNU General Public License
17: along with GNU Emacs; see the file COPYING. If not, write to
18: the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */
19:
20:
21: /*
22: * Define symbols to identify the version of Unix this is.
23: * Define all the symbols that apply correctly.
24: */
25:
26: #define USG /* System III, System V, etc */
27: #define USG5
28:
29: /* Specify IBM AIX version of system */
30:
31: #ifndef AIX
32: #define AIX
33: #endif
34:
35: /* turn off c prototypes */
36: #ifndef _NO_PROTO
37: #define _NO_PROTO
38: #endif
39:
40: /* This symbol should be defined on AIX Version 3 ??????? */
41: #ifndef _AIX
42: #define _AIX
43: #endif
44:
45: /* Specify "_BSD" to invoke Berkeley compatibility in header files */
46: /*#ifndef _BSD
47: #define _BSD
48: #endif
49: */
50:
51: /* SYSTEM_TYPE should indicate the kind of system you are using.
52: It sets the Lisp variable system-type. */
53:
54: #define SYSTEM_TYPE "aix-v3"
55:
56:
57: /* nomultiplejobs should be defined if your system's shell
58: does not have "job control" (the ability to stop a program,
59: run some other program, then continue the first one). */
60:
61: /* #define NOMULTIPLEJOBS */
62:
63: /* Default is to set interrupt_input to 0: don't do input buffering within Emacs */
64:
65: /* #define INTERRUPT_INPUT */
66:
67: /* In AIX, you allocate a pty by opening /dev/ptc to get the master side.
68: To get the name of the slave side, you just ttyname() the master side. */
69:
70: #define PTY_ITERATION for (c = 0; !c ; c++)
71: #define PTY_NAME_SPRINTF strcpy (pty_name, "/dev/ptc");
72: #define PTY_TTY_NAME_SPRINTF strcpy (pty_name, ttyname (fd));
73:
74: /*
75: * Define HAVE_TERMIO if the system provides sysV-style ioctls
76: * for terminal control.
77: */
78:
79: #define HAVE_TERMIO
80:
81: /*
82: * Define HAVE_TIMEVAL if the system supports the BSD style clock values.
83: * Look in <sys/time.h> for a timeval structure.
84: */
85:
86: #define HAVE_TIMEVAL
87:
88: /*
89: * Define HAVE_SELECT if the system supports the `select' system call.
90: */
91:
92: #define HAVE_SELECT
93:
94: /*
95: * Define HAVE_PTYS if the system supports pty devices.
96: */
97:
98: #define HAVE_PTYS
99:
100: /* Define HAVE_SOCKETS if system supports 4.2-compatible sockets. */
101:
102: #define HAVE_SOCKETS
103:
104: /*
105: * Define NONSYSTEM_DIR_LIBRARY to make Emacs emulate
106: * The 4.2 opendir, etc., library functions.
107: */
108:
109: /* #define NONSYSTEM_DIR_LIBRARY */
110:
111: /*
112: * Define SYSV_SYSTEM_DIR to use the V.3 getdents/readir
113: * library functions. Almost, but not quite the same as
114: * the 4.2 functions
115: */
116:
117: #define SYSV_SYSTEM_DIR
118:
119: /* Define this symbol if your system has the functions bcopy, etc. */
120:
121: #define BSTRING
122:
123: /* subprocesses should be defined if you want to
124: have code for asynchronous subprocesses
125: (as used in M-x compile and M-x shell).
126: This is supposed to work now on system V release 2. */
127:
128: #define subprocesses
129:
130: /* If your system uses COFF (Common Object File Format) then define the
131: preprocessor symbol "COFF". */
132:
133: /* #define COFF */
134:
135: /* define MAIL_USE_FLOCK if the mailer uses flock
136: to interlock access to /usr/spool/mail/$USER.
137: The alternative is that a lock file named
138: /usr/spool/mail/$USER.lock. */
139:
140: /* #define MAIL_USE_FLOCK */
141:
142: /* Define CLASH_DETECTION if you want lock files to be written
143: so that Emacs can tell instantly when you try to modify
144: a file that someone else has modified in his Emacs. */
145:
146: /* #define CLASH_DETECTION */
147:
148: /* Define SHORTNAMES if the C compiler can distinguish only
149: short names. It means that the stuff in ../shortnames
150: must be run to convert the long names to short ones. */
151:
152: /* #define SHORTNAMES */
153:
154: /* We do NOT use the Berkeley (and usg5.2.2) interface to nlist. */
155:
156: /* #define NLIST_STRUCT */
157:
158: /* The file containing the kernel's symbol table is called /unix. */
159:
160: #define KERNEL_FILE "/unix"
161:
162: /* The symbol in the kernel where the load average is found
163: is named avenrun. */
164:
165: #define LDAV_SYMBOL "avenrun"
166:
167: /* Special itemss needed to make Emacs run on this system. */
168:
169: /*
170: * Make the sigsetmask function go away. Don't know what the
171: * ramifications of this are, but doesn't seem possible to
172: * emulate it properly anyway at this point.
173: */
174:
175: #define sigsetmask(mask) /* Null expansion */
176:
177: /* setjmp and longjmp can safely replace _setjmp and _longjmp,
178: but they will run slower. */
179:
180: #define _setjmp setjmp
181: #define _longjmp longjmp
182:
183: /* On USG systems the system calls are interruptable by signals
184: that the user program has elected to catch. Thus the system call
185: must be retried in these cases. To handle this without massive
186: changes in the source code, we remap the standard system call names
187: to names for our own functions in sysdep.c that do the system call
188: with retries. */
189:
190: #define read sys_read
191: #define open sys_open
192: #define write sys_write
193:
194: #define INTERRUPTABLE_OPEN
195: #define INTERRUPTABLE_IO
196:
197: /* On USG systems these have different names */
198:
199: #define index strchr
200: #define rindex strrchr
201:
202: /* USG systems tend to put everything declared static
203: into the initialized data area, which becomes pure after dumping Emacs.
204: Foil this. Emacs carefully avoids static vars inside functions. */
205:
206: #undef static
207:
208: /* Compiler bug bites on many systems when default ADDR_CORRECT is used. */
209:
210: /* #define ADDR_CORRECT(x) (x) */
211:
212: #define LINKER cc
213:
214: /* Prevent -lg from being used for debugging. Not needed. */
215:
216: #define LIBS_DEBUG
217:
218: /* No need to specify -lc when linking. */
219:
220: #define LIB_STANDARD
221:
222: /* Use terminfo instead of termcap. */
223:
224: #define TERMINFO
225:
226: /* The following definition seems to be needed in AIX version 3.1.6.8.
227: It may not have been needed in certain earlier versions. */
228: #define HAVE_TCATTR
229:
230: #define SYSTEM_MALLOC
231:
232: /* Use the gethostname system call. */
233: #define HAVE_GETHOSTNAME
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