src/s/isc2-2.h

   1 /* system description file for Interactive (ISC) Unix version 2.2 on
   2    the 386.  */
   3
   4 #include "usg5-3.h"
   5
   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
  11
  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
  17
  18 #define NO_SOCKETS_IN_FILE_SYSTEM
  19 #define NEED_NET_ERRNO_H
  20
  21 /* This keeps the .cdbx section that gcc puts out when generating
  22    stabs-in-coff output, so Emacs can be debugged.  --karl@cs.umb.edu. */
  23 #define USG_SHARED_LIBRARIES
  24
  25 /* We can support lock files.  */
  26 #define CLASH_DETECTION
  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 /* 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
  42    for the rename function, but some people say ISC's rename doesn't
  43    work correctly with Emacs so we use Emacs' emulation instead. */
  44 #if defined (__GNUC__)
  45 #  define LIB_STANDARD_1 -lcposix
  46 #else /* !__GNUC__ */
  47 #  define LIB_STANDARD_1 -lPW
  48 #endif /* !__GNUC__ */
  49
  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
  54 #define NO_X_DESTROY_DATABASE
  55
  56 /* -linet may be needed to avoid undefined symbols such as gethostname,
  57    inet_addr, gethostbyname, socket, connect, ...  */
  58 #define LIBS_SYSTEM -linet LIB_STANDARD_1
  59
  60 /* This system has job control.  */
  61 #undef NOMULTIPLEJOBS
  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
  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
  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