1dnl $Id: krb-readline.m4 14166 2004-08-26 12:35:42Z joda $
2dnl
3dnl Tests for readline functions
4dnl
5
6dnl el_init
7
8AC_DEFUN([KRB_READLINE],[
9AC_FIND_FUNC_NO_LIBS(el_init, edit, [], [], [$LIB_tgetent])
10if test "$ac_cv_func_el_init" = yes ; then
11	AC_CACHE_CHECK(for four argument el_init, ac_cv_func_el_init_four,[
12		AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <stdio.h>
13			#include <histedit.h>]],
14			[[el_init("", NULL, NULL, NULL);]])],
15			[ac_cv_func_el_init_four=yes],
16			[ac_cv_func_el_init_four=no])])
17	if test "$ac_cv_func_el_init_four" = yes; then
18		AC_DEFINE(HAVE_FOUR_VALUED_EL_INIT, 1, [Define if el_init takes four arguments.])
19	fi
20fi
21
22dnl readline
23
24ac_foo=no
25if test "$with_readline" = yes; then
26	:
27elif test "$ac_cv_func_readline" = yes; then
28	:
29elif test "$ac_cv_func_el_init" = yes; then
30	ac_foo=yes
31	LIB_readline="\$(top_builddir)/lib/editline/libel_compat.la \$(LIB_el_init) \$(LIB_tgetent)"
32else
33	LIB_readline="\$(top_builddir)/lib/editline/libeditline.la \$(LIB_tgetent)"
34fi
35AM_CONDITIONAL(el_compat, test "$ac_foo" = yes)
36AC_DEFINE(HAVE_READLINE, 1, 
37	[Define if you have a readline compatible library.])dnl
38
39])
40