dnl $Id: krb-readline.m4,v 1.2 2001/04/07 21:29:22 thorpej Exp $
dnl
dnl Tests for readline functions
dnl

dnl el_init

AC_DEFUN(KRB_READLINE,[
AC_FIND_FUNC_NO_LIBS(el_init, edit, [], [], [$LIB_tgetent])
if test "$ac_cv_func_el_init" = yes ; then
	AC_CACHE_CHECK(for four argument el_init, ac_cv_func_el_init_four,[
		AC_TRY_COMPILE([#include <stdio.h>
			#include <histedit.h>],
			[el_init("", NULL, NULL, NULL);],
			ac_cv_func_el_init_four=yes,
			ac_cv_func_el_init_four=no)])
	if test "$ac_cv_func_el_init_four" = yes; then
		AC_DEFINE(HAVE_FOUR_VALUED_EL_INIT, 1, [Define if el_init takes four arguments.])
	fi
fi

dnl readline

ac_foo=no
if test "$with_readline" = yes; then
	:
elif test "$ac_cv_func_readline" = yes; then
	:
elif test "$ac_cv_func_el_init" = yes; then
	ac_foo=yes
	LIB_readline="\$(top_builddir)/lib/editline/libel_compat.la $LIB_el_init"
else
	LIB_readline='$(top_builddir)/lib/editline/libeditline.la'
fi
AM_CONDITIONAL(el_compat, test "$ac_foo" = yes)
if test "$readline_libdir"; then
	LIB_readline="-rpath $readline_libdir $LIB_readline"
fi
LIB_readline="$LIB_readline \$(LIB_tgetent)"
AC_DEFINE(HAVE_READLINE, 1, 
	[Define if you have a readline compatible library.])dnl

])