ref: 2c6cc121339ade33ac5aa4b46356df1cd5469fbe
dir: /sys/src/ape/cmd/pdksh/conf-end.h/
/*
* End of configuration stuff for PD ksh.
*
* RCSid: $Id$
*/
#if defined(EMACS) || defined(VI)
# define EDIT
#else
# undef EDIT
#endif
/* Editing implies history */
#if defined(EDIT) && !defined(HISTORY)
# define HISTORY
#endif /* EDIT */
/*
* if you don't have mmap() you can't use Peter Collinson's history
* mechanism. If that is the case, then define EASY_HISTORY
*/
#if defined(HISTORY) && (!defined(COMPLEX_HISTORY) || !defined(HAVE_MMAP) || !defined(HAVE_FLOCK))
# undef COMPLEX_HISTORY
# define EASY_HISTORY /* sjg's trivial history file */
#endif
/* Can we safely catch sigchld and wait for processes? */
#if (defined(HAVE_WAITPID) || defined(HAVE_WAIT3)) \
&& (defined(POSIX_SIGNALS) || defined(BSD42_SIGNALS))
# define JOB_SIGS
#endif
#if !defined(JOB_SIGS) || !(defined(POSIX_PGRP) || defined(BSD_PGRP))
# undef JOBS /* if no JOB_SIGS, no job control support */
#endif
/* pdksh assumes system calls return EINTR if a signal happened (this so
* the signal handler doesn't have to longjmp()). I don't know if this
* happens (or can be made to happen) with sigset() et. al. (the bsd41 signal
* routines), so, the autoconf stuff checks what they do and defines
* SIGNALS_DONT_INTERRUPT if signals don't interrupt read().
* If SIGNALS_DONT_INTERRUPT isn't defined and your compiler chokes on this,
* delete the hash in front of the error (and file a bug report).
*/
#ifdef SIGNALS_DONT_INTERRUPT
# error pdksh needs interruptable system calls.
#endif /* SIGNALS_DONT_INTERRUPT */
#ifdef HAVE_GCC_FUNC_ATTR
# define GCC_FUNC_ATTR(x) __attribute__((x))
# define GCC_FUNC_ATTR2(x,y) __attribute__((x,y))
#else
# define GCC_FUNC_ATTR(x)
# define GCC_FUNC_ATTR2(x,y)
#endif /* HAVE_GCC_FUNC_ATTR */