Sync usage with man page.
[netbsd-mini2440.git] / bin / ksh / conf-end.h
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1 /* $NetBSD$ */
3 /*
4 * End of configuration stuff for PD ksh.
6 * RCSid: $NetBSD: conf-end.h,v 1.1.1.1 1996/09/21 23:35:13 jtc Exp $
7 */
9 #if defined(EMACS) || defined(VI)
10 # define EDIT
11 #else
12 # undef EDIT
13 #endif
15 /* Editing implies history */
16 #if defined(EDIT) && !defined(HISTORY)
17 # define HISTORY
18 #endif /* EDIT */
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
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
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
35 #if !defined(JOB_SIGS) || !(defined(POSIX_PGRP) || defined(BSD_PGRP))
36 # undef JOBS /* if no JOB_SIGS, no job control support */
37 #endif
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).
47 #ifdef SIGNALS_DONT_INTERRUPT
48 # error pdksh needs interruptable system calls.
49 #endif /* SIGNALS_DONT_INTERRUPT */
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 */