dnl -*- autoconf -*-
dnl FILE: "/home/joze/src/tclreadline/configure.in"
dnl LAST MODIFICATION: "Mit, 10 Jan 2001 06:26:43 +0100 (joze)"
dnl (C) 1998 - 2001 by Johannes Zellner, <johannes@zellner.org>
dnl $Id$
dnl ---
dnl tclreadline -- gnu readline for tcl
dnl http://www.zellner.org/tclreadline/
dnl Copyright (c) 1998 - 2001, Johannes Zellner <johannes@zellner.org>
dnl This software is copyright under the BSD license.


AC_INIT(tclreadline.c)
AC_CONFIG_HEADERS(config.h)
AC_PREREQ(2.13)
AC_REVISION($Revision$)
AC_CONFIG_AUX_DIR(./aux)

        break
    fi
done

dnl look directly in the include dirs for readline.h
if test -z "$READLINE_INCLUDE_DIR"; then
    for dir in $rl_includes /usr/local/include /usr/include ; do
	if test -r $dir/readline.h; then
	    READLINE_INCLUDE_DIR=$dir
	    AC_DEFINE_UNQUOTED(READLINE_LIBRARY, 1, [ Define if we have libreadline. ])
	    break
	fi
    done
fi

if test -z "$READLINE_INCLUDE_DIR"; then
    AC_MSG_ERROR([
  Can't find readline.h.
  Use --with-readline-includes to specify the directory
  containing readline.h on your system.])
fi

AC_ARG_WITH(readline-library,
    [  --with-readline-library=DIR
		  lib spec to readline (e.g. '-L/usr/local/lib -lreadline')],
    LIBS="$LIBS $withval",
    AC_SEARCH_LIBS(rl_callback_read_char, readline, ,
		AC_MSG_RESULT([
			Your readline version does not support readline's alternate interface.
			Please upgrade to readline >= 2.2 and retry.
		])
		exit
    )
)



# check for readline's rl_executing_macro
# (could be macro.c's private variable _rl_executing_macro).

    AC_MSG_RESULT(no cross compiling)
)


AC_ARG_ENABLE(tclshrl,
    [  --enable-tclshrl        build statically linked tclshrl],
    [dnl action if given
	case "${enableval}" in
	    yes) enable_static=true ;;
	    no)  enable_static=false ;;
	    *)   AC_MSG_ERROR(bad value ${enableval} for --enable-static) ;;
	esac
    ],
    [dnl action if not given
	enable_static=false
    ]
)
AM_CONDITIONAL(STATIC_TCLSHRL, test x$enable_static = xtrue)

AC_ARG_ENABLE(wishrl,
    [  --enable-wishrl         build statically linked wishrl],
    [dnl action if given
	case "${enableval}" in
	    yes)
		enable_static=true
		dnl source the tkConfig.sh which defines TK_LIB_SPEC
		. $TCL_LIB_DIR/tkConfig.sh
		AC_SUBST(TK_LIB_SPEC)
	    ;;
	    no)  enable_static=false ;;
	    *)   AC_MSG_ERROR(bad value ${enableval} for --enable-static) ;;
	esac
    ],
    [dnl action if not given
	enable_static=false
    ]
)
AM_CONDITIONAL(STATIC_WISHRL, test x$enable_static = xtrue)


AC_SUBST(TCL_INCLUDE_DIR)
AC_SUBST(TCL_LIB_SPEC)
AC_SUBST(READLINE_INCLUDE_DIR)
AC_OUTPUT(Makefile tclreadline.h tclreadlineInit.tcl tclreadlineSetup.tcl tclreadline.n pkgIndex.tcl)