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 /* Although ISC has sockets, again in -linet, again it's not what Emacs
  13    needs.  With this defined, interrupt-shell-subjob and the like do
  14    nothing.  --karl@cs.umb.edu
  15 #define HAVE_SOCKETS */
  16
  17
  18 /* This keeps the .cdbx section that gcc puts out when generating
  19    stabs-in-coff output, so Emacs can be debugged.  --karl@cs.umb.edu. */
  20 #define USG_SHARED_LIBRARIES
  21
  22 /* We can support lock files.  */
  23 #define CLASH_DETECTION
  24 #define NO_FCHMOD
  25
  26 #define HAVE_PTYS
  27 #define MAXNAMLEN 512
  28 #define O_NDELAY O_NONBLOCK
  29 #define MEMORY_IN_STRING_H
  30
  31 /* Tell gmalloc.c that we don't have memmove (system include files to the
  32    contrary!). */
  33 #define MEMMOVE_MISSING
  34
  35 /* Send a signal to a subprocess by "typing" a signal character. */
  36 #define SIGNALS_VIA_CHARACTERS
  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 -lcposix -lc
  43 #else /* !__GNUC__ */
  44 #  define LIB_STANDARD -lPW -lc
  45 #endif /* !__GNUC__ */
  46
  47 #define NO_X_DESTROY_DATABASE
  48
  49 /* May be needed to avoid undefined symbols such as gethostname,
  50    inet_addr, gethostbyname, socket, connect, ...  But if we are not
  51    compiling with X support, it's not needed.  */
  52 #ifdef HAVE_X_WINDOWS
  53 #define LIBS_SYSTEM -linet
  54 #endif
  55
  56 /* This system has job control.  */
  57 #undef NOMULTIPLEJOBS
  58
  59 /* Inhibit asm code in netinet/in.h.  Strictly speaking, only necessary
  60    when -traditional is being used, but it doesn't hurt to
  61    unconditionally define this.  */
  62 #define NO_ASM
  63
  64 /* -traditional is not necessary if the system header files are fixed to
  65    define getc and putc in the absence of _POSIX_SOURCE.  GCC's from 2.4.4
  66    on do this. */
  67 #if !defined (__GNUC__) || __GNUC__ < 2
  68 #  define C_SWITCH_SYSTEM -traditional
  69 #endif
  70
  71 /* Some versions of ISC are said to define S_IFLNK even tho
  72    they don't really support symlinks.  */
  73 #undef S_IFLNK