bin/ksh/conf-end.h

   1 /*      $NetBSD$        */
   2
   3 /*
   4  * End of configuration stuff for PD ksh.
   5  *
   6  * RCSid: $NetBSD: conf-end.h,v 1.1.1.1 1996/09/21 23:35:13 jtc Exp $
   7  */
   8
   9 #if defined(EMACS) || defined(VI)
  10 # define        EDIT
  11 #else
  12 # undef         EDIT
  13 #endif
  14
  15 /* Editing implies history */
  16 #if defined(EDIT) && !defined(HISTORY)
  17 # define HISTORY
  18 #endif /* EDIT */
  19
  20 /*
  21  * if you don't have mmap() you can't use Peter Collinson's history
  22  * mechanism.  If that is the case, then define EASY_HISTORY
  23  */
  24 #if defined(HISTORY) && (!defined(COMPLEX_HISTORY) || !defined(HAVE_MMAP) || !defined(HAVE_FLOCK))
  25 # undef COMPLEX_HISTORY
  26 # define EASY_HISTORY                   /* sjg's trivial history file */
  27 #endif
  28
  29 /* Can we safely catch sigchld and wait for processes? */
  30 #if (defined(HAVE_WAITPID) || defined(HAVE_WAIT3)) \
  31     && (defined(POSIX_SIGNALS) || defined(BSD42_SIGNALS))
  32 # define JOB_SIGS
  33 #endif
  34
  35 #if !defined(JOB_SIGS) || !(defined(POSIX_PGRP) || defined(BSD_PGRP))
  36 # undef JOBS /* if no JOB_SIGS, no job control support */
  37 #endif
  38
  39 /* pdksh assumes system calls return EINTR if a signal happened (this so
  40  * the signal handler doesn't have to longjmp()).  I don't know if this
  41  * happens (or can be made to happen) with sigset() et. al. (the bsd41 signal
  42  * routines), so, the autoconf stuff checks what they do and defines
  43  * SIGNALS_DONT_INTERRUPT if signals don't interrupt read().
  44  * If SIGNALS_DONT_INTERRUPT isn't defined and your compiler chokes on this,
  45  * delete the hash in front of the error (and file a bug report).
  46  */
  47 #ifdef SIGNALS_DONT_INTERRUPT
  48   # error pdksh needs interruptable system calls.
  49 #endif /* SIGNALS_DONT_INTERRUPT */
  50
  51 #ifdef HAVE_GCC_FUNC_ATTR
  52 # define GCC_FUNC_ATTR(x)       __attribute__((x))
  53 # define GCC_FUNC_ATTR2(x,y)    __attribute__((x,y))
  54 #else
  55 # define GCC_FUNC_ATTR(x)
  56 # define GCC_FUNC_ATTR2(x,y)
  57 #endif /* HAVE_GCC_FUNC_ATTR */