[bpt/emacs.git] / src / s / isc2-2.h

/* system description file for Interactive (ISC) Unix version 2.2 on
   the 386.  */

#include "usg5-3.h"

/* select (in -linet) works okay on X ptys, but not on the serial port.
   karl@cs.umb.edu says that with that select call, subprocesses made by
   (e.g.) M-x grep don't exit cleanly, they just hang.  Similar problems
   have been observed in ISC 3.0.  */
#define BROKEN_SELECT_NON_X

/* karl@cs.umb.edu says that ISC's socket support (in -linet) isn't
   what Emacs needs; it makes interrupt-shell-subjob and the like do
   nothing.  But that appears to have been another manifestation of
   the broken select, so it should now be safe to define this again.  */
#define HAVE_SOCKETS

#define NO_SOCKETS_IN_FILE_SYSTEM
#define NEED_NET_ERRNO_H

/* This keeps the .cdbx section that gcc puts out when generating
   stabs-in-coff output, so Emacs can be debugged.  --karl@cs.umb.edu. */
#define USG_SHARED_LIBRARIES

/* We can support lock files.  */
#define CLASH_DETECTION
#define NO_FCHMOD

#define HAVE_PTYS
#define MAXNAMLEN 512
#define O_NDELAY O_NONBLOCK
#define MEMORY_IN_STRING_H

/* Tell gmalloc.c that we don't have memmove (system include files to the
   contrary!). */
#define MEMMOVE_MISSING

/* Send a signal to a subprocess by "typing" a signal character. */
#define SIGNALS_VIA_CHARACTERS

/* -lPW is only needed if not using Gcc.  We used to include -lcposix here
   for the rename function, but some people say ISC's rename doesn't
   work correctly with Emacs so we use Emacs' emulation instead. */
#if defined (__GNUC__)
#  define LIB_STANDARD_1 -lcposix
#else /* !__GNUC__ */
#  define LIB_STANDARD_1 -lPW
#endif /* !__GNUC__ */

/* LIB_STANDARD_1 is used both here and in LIBS_SYSTEM
   (the latter for the sake of configure).  */
#define LIB_STANDARD LIB_STANDARD_1 -lc

#define NO_X_DESTROY_DATABASE

/* -linet may be needed to avoid undefined symbols such as gethostname,
   inet_addr, gethostbyname, socket, connect, ...  */
#define LIBS_SYSTEM -linet LIB_STANDARD_1

/* This system has job control.  */
#undef NOMULTIPLEJOBS

/* Inhibit asm code in netinet/in.h.  Strictly speaking, only necessary
   when -traditional is being used, but it doesn't hurt to
   unconditionally define this.  */
#define NO_ASM

/* -traditional is not necessary if the system header files are fixed to
   define getc and putc in the absence of _POSIX_SOURCE.  GCC's from 2.4.4
   on do this. */
#if !defined (__GNUC__) || __GNUC__ < 2
#  define C_SWITCH_SYSTEM -traditional
#endif

/* Some versions of ISC are said to define S_IFLNK even tho
   they don't really support symlinks.  */
#undef S_IFLNK

/* arch-tag: 4de02713-eac5-4360-9d36-fd82c7a3ae44
   (do not change this comment) */
Commit	Line	Data
20c428fd JB	1	/* system description file for Interactive (ISC) Unix version 2.2 on
	2	the 386. */
	3
	4	#include "usg5-3.h"
	5
88225383 KH	6	/* select (in -linet) works okay on X ptys, but not on the serial port.
	7	karl@cs.umb.edu says that with that select call, subprocesses made by
	8	(e.g.) M-x grep don't exit cleanly, they just hang. Similar problems
	9	have been observed in ISC 3.0. */
	10	#define BROKEN_SELECT_NON_X
c751ebb6	11
7339384c KH	12	/* karl@cs.umb.edu says that ISC's socket support (in -linet) isn't
	13	what Emacs needs; it makes interrupt-shell-subjob and the like do
	14	nothing. But that appears to have been another manifestation of
	15	the broken select, so it should now be safe to define this again. */
	16	#define HAVE_SOCKETS
c751ebb6	17
7339384c KH	18	#define NO_SOCKETS_IN_FILE_SYSTEM
7339384c KH	19	#define NEED_NET_ERRNO_H
c751ebb6 RS	20
c751ebb6 RS	21	/* This keeps the .cdbx section that gcc puts out when generating
08ae9134	22	stabs-in-coff output, so Emacs can be debugged. --karl@cs.umb.edu. */
c751ebb6 RS	23	#define USG_SHARED_LIBRARIES
	24
	25	/* We can support lock files. */
	26	#define CLASH_DETECTION
	27	#define NO_FCHMOD
	28
20c428fd	29	#define HAVE_PTYS
20c428fd	30	#define MAXNAMLEN 512
20c428fd JB	31	#define O_NDELAY O_NONBLOCK
20c428fd JB	32	#define MEMORY_IN_STRING_H
c751ebb6	33
08ae9134 BF	34	/* Tell gmalloc.c that we don't have memmove (system include files to the
	35	contrary!). */
	36	#define MEMMOVE_MISSING
	37
	38	/* Send a signal to a subprocess by "typing" a signal character. */
	39	#define SIGNALS_VIA_CHARACTERS
	40
	41	/* -lPW is only needed if not using Gcc. We used to include -lcposix here
49b862cf	42	for the rename function, but some people say ISC's rename doesn't
08ae9134 BF	43	work correctly with Emacs so we use Emacs' emulation instead. */
08ae9134 BF	44	#if defined (__GNUC__)
e3bebca7	45	# define LIB_STANDARD_1 -lcposix
08ae9134	46	#else /* !__GNUC__ */
e3bebca7	47	# define LIB_STANDARD_1 -lPW
08ae9134	48	#endif /* !__GNUC__ */
c751ebb6	49
e3bebca7 RS	50	/* LIB_STANDARD_1 is used both here and in LIBS_SYSTEM
	51	(the latter for the sake of configure). */
	52	#define LIB_STANDARD LIB_STANDARD_1 -lc
	53
c751ebb6	54	#define NO_X_DESTROY_DATABASE
93a37120	55
e3bebca7	56	/* -linet may be needed to avoid undefined symbols such as gethostname,
7339384c	57	inet_addr, gethostbyname, socket, connect, ... */
c57bc20f	58	#define LIBS_SYSTEM -linet LIB_STANDARD_1
93a37120 JB	59
	60	/* This system has job control. */
	61	#undef NOMULTIPLEJOBS
c751ebb6 RS	62
	63	/* Inhibit asm code in netinet/in.h. Strictly speaking, only necessary
	64	when -traditional is being used, but it doesn't hurt to
	65	unconditionally define this. */
	66	#define NO_ASM
	67
08ae9134 BF	68	/* -traditional is not necessary if the system header files are fixed to
	69	define getc and putc in the absence of _POSIX_SOURCE. GCC's from 2.4.4
	70	on do this. */
	71	#if !defined (__GNUC__) \|\| __GNUC__ < 2
	72	# define C_SWITCH_SYSTEM -traditional
c751ebb6 RS	73	#endif
	74
	75	/* Some versions of ISC are said to define S_IFLNK even tho
	76	they don't really support symlinks. */
	77	#undef S_IFLNK
ab5796a9 MB	78
	79	/* arch-tag: 4de02713-eac5-4360-9d36-fd82c7a3ae44
	80	(do not change this comment) */