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#------------------------------------------------------------------------------

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# $Id$

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#------------------------------------------------------------------------------

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AC_PREREQ(2.59)

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AC_INIT([ethercat],[1.1],[fp@igh-essen.com])

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AC_CONFIG_AUX_DIR([autoconf])

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AM_INIT_AUTOMAKE([-Wall -Werror foreign dist-bzip2])

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AC_PREFIX_DEFAULT([/opt/etherlab])

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AC_CONFIG_HEADERS([config.h])

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AC_CONFIG_SRCDIR([config.h.in])

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#------------------------------------------------------------------------------

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# Global

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#------------------------------------------------------------------------------

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branch=trunk

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AC_DEFINE_UNQUOTED(BRANCH, ["$branch"], [Subversion branch])

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AC_SUBST(BRANCH, [$branch])

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#------------------------------------------------------------------------------

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# Linux sources

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#------------------------------------------------------------------------------

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AC_ARG_WITH([linux-dir],

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    AC_HELP_STRING(

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        [--with-linux-dir=<DIR>],

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        [Linux kernel sources @<:@running kernel@:>@]

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    ),

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    [

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        sourcedir=[$withval]

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    ],

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    [

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        version=[`uname -r`]

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        modulesdir=/lib/modules/${version}

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        if test \! -d ${modulesdir} || test \! -d ${modulesdir}/build; then

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           echo

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           AC_MSG_ERROR([Invalid modules directory ${modulesdir}])

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        fi

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        sourcedir=`cd ${modulesdir}/build && pwd -P`

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    ]

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)

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AC_MSG_CHECKING([for Linux kernel sources])

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if test \! -r ${sourcedir}/.config; then

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   echo

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   AC_MSG_ERROR([No configured Linux kernel sources in $sourcedir])

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fi

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AC_SUBST(LINUX_SOURCE_DIR,[$sourcedir])

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AC_MSG_RESULT($LINUX_SOURCE_DIR)

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#------------------------------------------------------------------------------

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# Debug interface

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#------------------------------------------------------------------------------

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    AS_HELP_STRING([--enable-dbg-if],

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                   [Create a debug interface for each master @<:@NO@:>@]),

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    [

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        case "${enableval}" in

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            yes) dbg=1

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                AC_DEFINE([EC_DBG_IF], [1], [Debug interfaces enabled])

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                ;;

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            no) dbg=0

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                ;;

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            *) AC_MSG_ERROR([Invalid value for --enable-dbg-if])

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                ;;

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        esac

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    ],

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    [dbg=0]

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)

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AM_CONDITIONAL(EC_DBG_IF, test "x$dbg" = x1)

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AC_SUBST([EC_DBG_IF],${dbg})

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#------------------------------------------------------------------------------

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AC_CONFIG_FILES([

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        Makefile

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        master/Makefile

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        devices/Makefile

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        script/Makefile

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        include/Makefile

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        examples/Makefile

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        examples/mini/Makefile

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        examples/rtai/Makefile

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        examples/msr/Makefile

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])

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AC_OUTPUT

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#------------------------------------------------------------------------------