56 lines
1.7 KiB
C
56 lines
1.7 KiB
C
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/*
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* End of configuration stuff for PD ksh.
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*
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* RCSid: $Id: conf-end.h,v 1.1.1.1 1996/09/21 23:35:13 jtc Exp $
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*/
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#if defined(EMACS) || defined(VI)
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# define EDIT
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#else
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# undef EDIT
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#endif
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/* Editing implies history */
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#if defined(EDIT) && !defined(HISTORY)
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# define HISTORY
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#endif /* EDIT */
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/*
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* if you don't have mmap() you can't use Peter Collinson's history
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* mechanism. If that is the case, then define EASY_HISTORY
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*/
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#if defined(HISTORY) && (!defined(COMPLEX_HISTORY) || !defined(HAVE_MMAP) || !defined(HAVE_FLOCK))
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# undef COMPLEX_HISTORY
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# define EASY_HISTORY /* sjg's trivial history file */
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#endif
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/* Can we safely catch sigchld and wait for processes? */
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#if (defined(HAVE_WAITPID) || defined(HAVE_WAIT3)) \
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&& (defined(POSIX_SIGNALS) || defined(BSD42_SIGNALS))
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# define JOB_SIGS
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#endif
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#if !defined(JOB_SIGS) || !(defined(POSIX_PGRP) || defined(BSD_PGRP))
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# undef JOBS /* if no JOB_SIGS, no job control support */
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#endif
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/* pdksh assumes system calls return EINTR if a signal happened (this so
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* the signal handler doesn't have to longjmp()). I don't know if this
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* happens (or can be made to happen) with sigset() et. al. (the bsd41 signal
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* routines), so, the autoconf stuff checks what they do and defines
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* SIGNALS_DONT_INTERRUPT if signals don't interrupt read().
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* If SIGNALS_DONT_INTERRUPT isn't defined and your compiler chokes on this,
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* delete the hash in front of the error (and file a bug report).
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*/
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#ifdef SIGNALS_DONT_INTERRUPT
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# error pdksh needs interruptable system calls.
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#endif /* SIGNALS_DONT_INTERRUPT */
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#ifdef HAVE_GCC_FUNC_ATTR
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# define GCC_FUNC_ATTR(x) __attribute__((x))
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# define GCC_FUNC_ATTR2(x,y) __attribute__((x,y))
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#else
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# define GCC_FUNC_ATTR(x)
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# define GCC_FUNC_ATTR2(x,y)
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#endif /* HAVE_GCC_FUNC_ATTR */
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