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conf-end.h revision 1.1 
      1 /*
      2  * End of configuration stuff for PD ksh.
      3  *
      4  * RCSid: $Id: conf-end.h,v 1.1 1996/09/21 23:35:13 jtc Exp $
      5  */
      6 
      7 #if defined(EMACS) || defined(VI)
      8 # define	EDIT
      9 #else
     10 # undef		EDIT
     11 #endif
     12 
     13 /* Editing implies history */
     14 #if defined(EDIT) && !defined(HISTORY)
     15 # define HISTORY
     16 #endif /* EDIT */
     17 
     18 /*
     19  * if you don't have mmap() you can't use Peter Collinson's history
     20  * mechanism.  If that is the case, then define EASY_HISTORY
     21  */
     22 #if defined(HISTORY) && (!defined(COMPLEX_HISTORY) || !defined(HAVE_MMAP) || !defined(HAVE_FLOCK))
     23 # undef COMPLEX_HISTORY
     24 # define EASY_HISTORY			/* sjg's trivial history file */
     25 #endif
     26 
     27 /* Can we safely catch sigchld and wait for processes? */
     28 #if (defined(HAVE_WAITPID) || defined(HAVE_WAIT3)) \
     29     && (defined(POSIX_SIGNALS) || defined(BSD42_SIGNALS))
     30 # define JOB_SIGS
     31 #endif
     32 
     33 #if !defined(JOB_SIGS) || !(defined(POSIX_PGRP) || defined(BSD_PGRP))
     34 # undef JOBS /* if no JOB_SIGS, no job control support */
     35 #endif
     36 
     37 /* pdksh assumes system calls return EINTR if a signal happened (this so
     38  * the signal handler doesn't have to longjmp()).  I don't know if this
     39  * happens (or can be made to happen) with sigset() et. al. (the bsd41 signal
     40  * routines), so, the autoconf stuff checks what they do and defines
     41  * SIGNALS_DONT_INTERRUPT if signals don't interrupt read().
     42  * If SIGNALS_DONT_INTERRUPT isn't defined and your compiler chokes on this,
     43  * delete the hash in front of the error (and file a bug report).
     44  */
     45 #ifdef SIGNALS_DONT_INTERRUPT
     46   # error pdksh needs interruptable system calls.
     47 #endif /* SIGNALS_DONT_INTERRUPT */
     48 
     49 #ifdef HAVE_GCC_FUNC_ATTR
     50 # define GCC_FUNC_ATTR(x)	__attribute__((x))
     51 # define GCC_FUNC_ATTR2(x,y)	__attribute__((x,y))
     52 #else
     53 # define GCC_FUNC_ATTR(x)
     54 # define GCC_FUNC_ATTR2(x,y)
     55 #endif /* HAVE_GCC_FUNC_ATTR */
     56