# -*- autoconf -*-
# FILE: "/disk01/home/joze/src/tclreadline/configure.in"
# LAST MODIFICATION: "Mon Sep 20 02:37:03 1999 (joze)"
# LAST MODIFICATION: "Mon Sep 20 18:16:22 1999 (joze)"
# (C) 1998, 1999 by Johannes Zellner, <johannes@zellner.org>
# $Id$
# ---
#
# tclreadline -- gnu readline for tcl
# Copyright (C) 1999  Johannes Zellner
#

            tlib_library=$withval, tlib_library="")

AC_MSG_CHECKING([where to look for the terminal library])
TERMLIB_DIR=""
TERMLIB_VERSION_SUFFIX=""
for dir in $tlib_library $TCLREADLINE_LPATH $prefix/lib/; do
	for tlib in ncurses termlib termcap curses; do
        dnl echo "(ls ${dir}/lib${tlib}${SHLIB_SUFFIX}*) 2>/dev/null"
        result="`(ls -r ${dir}/lib${tlib}${SHLIB_SUFFIX}*) 2>/dev/null`"
		dnl echo result = $result
		if test "x$result" != "x"; then
			for lib in ${tlib}; do
				dnl It's possible that a library is found but it doesn't work
				dnl e.g., shared library that cannot be found
				dnl compile and run a test program to be sure
				LIBS=-l${lib}
				AC_TRY_RUN([
		dnl It's possible that a library is found but it doesn't work
		dnl e.g., shared library that cannot be found
		dnl compile and run a test program to be sure
		dnl echo ""
		dnl echo ""
		LIBS="-L${dir} -l${tlib}"
		AC_TRY_RUN([
#ifdef HAVE_TERMCAP_H
# include <termcap.h>
#endif
main() {char *s; s=(char *)tgoto("%p1%d", 0, 1); exit(0); }],
			res="OK", res="FAIL", res="FAIL")
				if test "$res" = "OK"; then
					TERMLIB_DIR=-L${dir}
					if test "`(uname) 2>/dev/null`" = SunOS &&
						uname -r | grep '^5' >/dev/null; then
						TERMLIB_DIR_R="${TERMLIB_DIR} -R${dir}"
					fi
					TERMLIB=-l${tlib}
					break
				fi
	res="OK", res="FAIL", res="FAIL")
		if test "$res" = "OK"; then
			TERMLIB_DIR=-L${dir}
			if test "`(uname) 2>/dev/null`" = SunOS &&
				uname -r | grep '^5' >/dev/null; then
				TERMLIB_DIR_R="${TERMLIB_DIR} -R${dir}"
			fi
			TERMLIB=-l${tlib}
			break
		fi
			done
			if test "x${TERMLIB_DIR}" = "x"; then
				AC_MSG_RESULT(none of $libname is usable)
	        else
				break
		if test "x${TERMLIB_DIR}" = "x"; then
			AC_MSG_RESULT($LIBS is unusable)
		else
			break
			fi
		fi
	done
	if test "x${TERMLIB_DIR}" != "x"; then
		break
	fi
done

}],
    READLINE_VERSION=`cat conftestversion`
    AC_MSG_RESULT($READLINE_VERSION),
    AC_MSG_RESULT(failed),
    AC_MSG_RESULT(no cross compiling))


LIBS=$LIBS



# This is a test
#AC_C_BIGENDIAN

# TODO: check for readline version
# (link testprogram with -lreadline)