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comparison src/s/isc2-2.h @ 428:3ecd8885ac67 r21-2-22

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Import from CVS: tag r21-2-22
author cvs
date Mon, 13 Aug 2007 11:28:15 +0200
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children c69610198c35
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427:0a0253eac470 428:3ecd8885ac67
1 /* Synched up with: FSF 19.31. */
2
3 /* system description file for Interactive (ISC) Unix version 2.2 on
4 the 386. */
5
6 #include "usg5-3.h"
7
8 /* select (in -linet) works okay on X ptys, but not on the serial port.
9 karl@cs.umb.edu says that with that select call, subprocesses made by
10 (e.g.) M-x grep don't exit cleanly, they just hang. Similar problems
11 have been observed in ISC 3.0. */
12 #define BROKEN_SELECT_NON_X
13
14 /* karl@cs.umb.edu says that ISC's socket support (in -linet) isn't
15 what Emacs needs; it makes interrupt-shell-subjob and the like do
16 nothing. But that appears to have been another manifestation of
17 the broken select, so it should now be safe to define this again. */
18 #define HAVE_SOCKETS
19
20 #define NO_SOCKETS_IN_FILE_SYSTEM
21 #define NEED_NET_ERRNO_H
22
23 /* This keeps the .cdbx section that gcc puts out when generating
24 stabs-in-coff output, so Emacs can be debugged. --karl@cs.umb.edu. */
25 #define USG_SHARED_LIBRARIES
26
27 #define NO_FCHMOD
28
29 #define HAVE_PTYS
30 #define MAXNAMLEN 512
31 #define O_NDELAY O_NONBLOCK
32 #define MEMORY_IN_STRING_H
33
34 /* Tell gmalloc.c that we don't have memmove (system include files to the
35 contrary!). */
36 #define MEMMOVE_MISSING
37
38 /* -lPW is only needed if not using Gcc. We used to include -lcposix here
39 for the rename function, but some people say ISC's rename doesn't
40 work correctly with Emacs so we use Emacs' emulation instead. */
41 #if defined (__GNUC__)
42 # define LIB_STANDARD_1 -lcposix
43 #else /* !__GNUC__ */
44 # define LIB_STANDARD_1 -lPW
45 #endif /* !__GNUC__ */
46
47 /* LIB_STANDARD_1 is used both here and in LIBS_SYSTEM
48 (the latter for the sake of configure). */
49 #define LIB_STANDARD LIB_STANDARD_1 -lc
50
51 #define NO_X_DESTROY_DATABASE
52
53 /* -linet may be needed to avoid undefined symbols such as gethostname,
54 inet_addr, gethostbyname, socket, connect, ... */
55 #define LIBS_SYSTEM -linet LIB_STANDARD_1
56
57 /* Inhibit asm code in netinet/in.h. Strictly speaking, only necessary
58 when -traditional is being used, but it doesn't hurt to
59 unconditionally define this. */
60 #define NO_ASM
61
62 /* -traditional is not necessary if the system header files are fixed to
63 define getc and putc in the absence of _POSIX_SOURCE. GCC's from 2.4.4
64 on do this. */
65 #if !defined (__GNUC__) || __GNUC__ < 2
66 # define C_SWITCH_SYSTEM "-traditional"
67 #endif
68
69 /* Some versions of ISC are said to define S_IFLNK even tho
70 they don't really support symlinks. */
71 #undef S_IFLNK