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

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#

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#  $Id$

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#

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#  Copyright (C) 2006-2009  Florian Pose, Ingenieurgemeinschaft IgH

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#

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#  This file is part of the IgH EtherCAT Master.

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#

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#  The IgH EtherCAT Master is free software; you can redistribute it and/or

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#  modify it under the terms of the GNU General Public License version 2, as

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#  published by the Free Software Foundation.

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#

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#  The IgH EtherCAT Master is distributed in the hope that it will be useful,

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#  but WITHOUT ANY WARRANTY; without even the implied warranty of

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#  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General

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#  Public License for more details.

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#

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#  You should have received a copy of the GNU General Public License along

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#  with the IgH EtherCAT Master; if not, write to the Free Software

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#  Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA

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#

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#  ---

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#  

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#  The license mentioned above concerns the source code only. Using the

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#  EtherCAT technology and brand is only permitted in compliance with the

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#  industrial property and similar rights of Beckhoff Automation GmbH.

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#

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

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AC_PREREQ(2.59)

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

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AC_CONFIG_AUX_DIR([autoconf])

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AM_INIT_AUTOMAKE([-Wall -Werror 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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AC_CONFIG_MACRO_DIR([m4])

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

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# Global

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

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    43

AC_PROG_CXX

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AC_PROG_LIBTOOL

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AM_PROG_CC_C_O

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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([Failed to find Linux sources. Use --with-linux-dir!])

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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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    77

# Try to get kernel release string

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if test -r ${sourcedir}/include/config/kernel.release; then

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    kernelrelease=`cat $sourcedir/include/config/kernel.release`

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elif test -r ${sourcedir}/.kernelrelease; then

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    kernelrelease=`cat $sourcedir/.kernelrelease`

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elif test -r ${sourcedir}/include/linux/utsrelease.h; then

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    hdr=${sourcedir}/include/linux/utsrelease.h

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    kernelrelease=`grep UTS_RELEASE $hdr | cut -d " " -f 3- | tr -d \"`

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elif test -r ${sourcedir}/include/linux/version.h; then

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    hdr=${sourcedir}/include/linux/version.h

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    kernelrelease=`grep UTS_RELEASE $hdr | cut -d " " -f 3- | tr -d \"`

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fi

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if test -z "$kernelrelease"; then

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    echo

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    AC_MSG_ERROR([Failed to extract Linux kernel version!])

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fi

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# Extract three numbers from kernel release string

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linuxversion=`echo $kernelrelease | grep -oE "^[[0-9]]+\.[[0-9]]+\.[[0-9]]+"`

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AC_SUBST(LINUX_SOURCE_DIR,[$sourcedir])

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AC_MSG_RESULT([$LINUX_SOURCE_DIR (Kernel $linuxversion)])

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

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# Linux module installation subdirectory

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

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AC_ARG_WITH([module-dir],

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    AC_HELP_STRING(

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

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        [Linux module installation dir. Default: ethercat]

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    ),

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    [moddir=[$withval]],

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    [moddir="ethercat"]

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)

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AC_SUBST(INSTALL_MOD_DIR,[$moddir])

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AC_MSG_CHECKING([for Linux modules installation directory])

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AC_MSG_RESULT([$INSTALL_MOD_DIR])

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

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# Generic Ethernet driver

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

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AC_ARG_ENABLE([generic],

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    AS_HELP_STRING([--enable-generic],

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                   [Enable generic Ethernet driver]),

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    [

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        case "${enableval}" in

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            yes) enablegeneric=1

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                ;;

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            no) enablegeneric=0

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                ;;

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            *) AC_MSG_ERROR([Invalid value for --enable-generic])

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                ;;

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        esac

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    ],

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    [enablegeneric=0]

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)

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AM_CONDITIONAL(ENABLE_GENERIC, test "x$enablegeneric" = "x1")

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AC_SUBST(ENABLE_GENERIC,[$enablegeneric])

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

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# 8139too driver

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

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AC_ARG_ENABLE([8139too],

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    AS_HELP_STRING([--enable-8139too],

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                   [Enable 8139too driver]),

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    [

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        case "${enableval}" in

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            yes) enable8139too=1

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                ;;

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            no) enable8139too=0

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                ;;

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            *) AC_MSG_ERROR([Invalid value for --enable-8139too])

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                ;;

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        esac

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    ],

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    [enable8139too=1]

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)

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AM_CONDITIONAL(ENABLE_8139TOO, test "x$enable8139too" = "x1")

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AC_SUBST(ENABLE_8139TOO,[$enable8139too])

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AC_ARG_WITH([8139too-kernel],

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    AC_HELP_STRING(

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        [--with-8139too-kernel=<X.Y.Z>],

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        [8139too kernel (only if differing)]

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    ),

   169

    [

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        kernel8139too=[$withval]

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    ],

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    [

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        kernel8139too=$linuxversion

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    ]

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)

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   177

if test "x${enable8139too}" = "x1"; then

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    AC_MSG_CHECKING([for kernel for 8139too driver])

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   180

    kernels=`ls -1 ${srcdir}/devices/ | grep -oE "^8139too-.*-" | cut -d "-" -f 2 | uniq`

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    found=0

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    for k in $kernels; do

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        if test "$kernel8139too" = "$k"; then

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            found=1

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        fi

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    done

   187

    if test $found -ne 1; then

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        AC_MSG_ERROR([kernel $kernel8139too not available for 8139too driver!])

   189

    fi

   190

   191

    AC_MSG_RESULT([$kernel8139too])

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fi

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   194

AC_SUBST(KERNEL_8139TOO,[$kernel8139too])

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   196

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

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# e100 driver

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

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   200

AC_ARG_ENABLE([e100],

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    AS_HELP_STRING([--enable-e100],

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                   [Enable e100 driver]),

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    [

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        case "${enableval}" in

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            yes) enablee100=1

   206

                ;;

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            no) enablee100=0

   208

                ;;

   209

            *) AC_MSG_ERROR([Invalid value for --enable-e100])

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                ;;

   211

        esac

   212

    ],

   213

    [enablee100=0] # disabled by default

   214

)

   215

   216

AM_CONDITIONAL(ENABLE_E100, test "x$enablee100" = "x1")

   217

AC_SUBST(ENABLE_E100,[$enablee100])

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   219

AC_ARG_WITH([e100-kernel],

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    AC_HELP_STRING(

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        [--with-e100-kernel=<X.Y.Z>],

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        [e100 kernel (only if differing)]

   223

    ),

   224

    [

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        kernele100=[$withval]

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    ],

   227

    [

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        kernele100=$linuxversion

   229

    ]

   230

)

   231

   232

if test "x${enablee100}" = "x1"; then

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    AC_MSG_CHECKING([for kernel for e100 driver])

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   235

    kernels=`ls -1 ${srcdir}/devices/ | grep -oE "^e100-.*-" | cut -d "-" -f 2 | uniq`

   236

    found=0

   237

    for k in $kernels; do

   238

        if test "$kernele100" = "$k"; then

   239

            found=1

   240

        fi

   241

    done

   242

    if test $found -ne 1; then

   243

        AC_MSG_ERROR([kernel $kernele100 not available for e100 driver!])

   244

    fi

   245

   246

    AC_MSG_RESULT([$kernele100])

   247

fi

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   249

AC_SUBST(KERNEL_E100,[$kernele100])

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   251

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

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# e1000 driver

   253

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

   254

   255

AC_ARG_ENABLE([e1000],

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    AS_HELP_STRING([--enable-e1000],

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                   [Enable e1000 driver]),

   258

    [

   259

        case "${enableval}" in

   260

            yes) enablee1000=1

   261

                ;;

   262

            no) enablee1000=0

   263

                ;;

   264

            *) AC_MSG_ERROR([Invalid value for --enable-e1000])

   265

                ;;

   266

        esac

   267

    ],

   268

    [enablee1000=0] # disabled by default

   269

)

   270

   271

AM_CONDITIONAL(ENABLE_E1000, test "x$enablee1000" = "x1")

   272

AC_SUBST(ENABLE_E1000,[$enablee1000])

   273

   274

AC_ARG_WITH([e1000-kernel],

   275

    AC_HELP_STRING(

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        [--with-e1000-kernel=<X.Y.Z>],

   277

        [e1000 kernel (only if differing)]

   278

    ),

   279

    [

   280

        kernele1000=[$withval]

   281

    ],

   282

    [

   283

        kernele1000=$linuxversion

   284

    ]

   285

)

   286

   287

if test "x${enablee1000}" = "x1"; then

   288

    AC_MSG_CHECKING([for kernel for e1000 driver])

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   290

    kernels=`ls -1 ${srcdir}/devices/e1000/ | grep -oE "^e1000_main-.*" | cut -d "-" -f 2 | uniq`

   291

    found=0

   292

    for k in $kernels; do

   293

        if test "$kernele1000" = "$k"; then

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            found=1

   295

        fi

   296

    done

   297

    if test $found -ne 1; then

   298

        AC_MSG_ERROR([kernel $kernele1000 not available for e1000 driver!])

   299

    fi

   300

   301

    AC_MSG_RESULT([$kernele1000])

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fi

   303

   304

AC_SUBST(KERNEL_E1000,[$kernele1000])

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   306

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

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# r8169 driver

   308

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

   309

   310

AC_ARG_ENABLE([r8169],

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    AS_HELP_STRING([--enable-r8169],

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                   [Enable r8169 driver]),

   313

    [

   314

        case "${enableval}" in

   315

            yes) enable_r8169=1

   316

                ;;

   317

            no) enable_r8169=0

   318

                ;;

   319

            *) AC_MSG_ERROR([Invalid value for --enable-r8169])

   320

                ;;

   321

        esac

   322

    ],

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    [enable_r8169=0] # disabled by default

   324

)

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   326

AM_CONDITIONAL(ENABLE_R8169, test "x$enable_r8169" = "x1")

   327

AC_SUBST(ENABLE_R8169,[$enable_r8169])

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AC_ARG_WITH([r8169-kernel],

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    AC_HELP_STRING(

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        [--with-r8169-kernel=<X.Y.Z>],

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        [r8169 kernel (only if differing)]

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    ),

   334

    [

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        kernel_r8169=[$withval]

   336

    ],

   337

    [

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        kernel_r8169=$linuxversion

   339

    ]

   340

)

   341

   342

if test "x${enable_r8169}" = "x1"; then

   343

    AC_MSG_CHECKING([for kernel for r8169 driver])

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   345

    kernels=`ls -1 ${srcdir}/devices/ | grep -oE "^r8169-.*-" | cut -d "-" -f 2 | uniq`

   346

    found=0

   347

    for k in $kernels; do

   348

        if test "$kernel_r8169" = "$k"; then

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            found=1

   350

        fi

   351

    done

   352

    if test $found -ne 1; then

   353

        AC_MSG_ERROR([kernel $kernel_r8169 not available for r8169 driver!])

   354

    fi

   355

   356

    AC_MSG_RESULT([$kernel_r8169])

   357

fi

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   359

AC_SUBST(KERNEL_R8169,[$kernel_r8169])

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   361

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

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# RTAI path (optional)

   363

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

   364

   365

AC_ARG_WITH([rtai-dir],

   366

    AC_HELP_STRING(

   367

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

   368

        [RTAI path (only for RTAI examples)]

   369

    ),

   370

    [

   371

        rtaidir=[$withval]

   372

    ],

   373

    [

   374

        rtaidir=""

   375

    ]

   376

)

   377

   378

AC_MSG_CHECKING([for RTAI path])

   379

   380

if test -z "${rtaidir}"; then

   381

    AC_MSG_RESULT([not specified.])

   382

else

   383

    if test \! -r ${rtaidir}/include/rtai.h; then

   384

        AC_MSG_ERROR([no RTAI installation found in ${rtaidir}!])

   385

    fi

   386

    AC_MSG_RESULT([$rtaidir])

   387

fi

   388

   389

AC_SUBST(RTAI_DIR,[$rtaidir])

   390

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

   392

# Debug interface

   393

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

   394

   395

AC_ARG_ENABLE([debug-if],

   396

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

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

   398

    [

   399

        case "${enableval}" in

   400

            yes) dbg=1

   401

                ;;

   402

            no) dbg=0

   403

                ;;

   404

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

   405

                ;;

   406

        esac

   407

    ],

   408

    [dbg=0]

   409

)

   410

   411

if test "x${dbg}" = "x1"; then

   412

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

   413

fi

   414

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

   415

AC_SUBST(ENABLE_DEBUG_IF,[$dbg])

   416

   417

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

   418

# Debug ring

   419

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

   420

   421

AC_ARG_ENABLE([debug-ring],

   422

    AS_HELP_STRING([--enable-debug-ring],

   423

                   [Create a debug ring to record frames @<:@NO@:>@]),

   424

    [

   425

        case "${enableval}" in

   426

            yes) debugring=1

   427

                ;;

   428

            no) debugring=0

   429

                ;;

   430

            *) AC_MSG_ERROR([Invalid value for --enable-debug-ring])

   431

                ;;

   432

        esac

   433

    ],

   434

    [debugring=0]

   435

)

   436

   437

if test "x${debugring}" = "x1"; then

   438

    AC_DEFINE([EC_DEBUG_RING], [1], [Debug ring enabled])

   439

fi

   440

   441

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

   442

# Ethernet over EtherCAT support

   443

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

   444

   445

AC_ARG_ENABLE([eoe],

   446

    AS_HELP_STRING([--enable-eoe],

   447

                   [Enable EoE support (default: yes)]),

   448

    [

   449

        case "${enableval}" in

   450

            yes) eoe=1

   451

                ;;

   452

            no) eoe=0

   453

                ;;

   454

            *) AC_MSG_ERROR([Invalid value for --enable-eoe])

   455

                ;;

   456

        esac

   457

    ],

   458

    [eoe=1]

   459

)

   460

   461

if test "x${eoe}" = "x1"; then

   462

    AC_DEFINE([EC_EOE], [1], [EoE support enabled])

   463

fi

   464

AM_CONDITIONAL(ENABLE_EOE, test "x$eoe" = "x1")

   465

AC_SUBST(ENABLE_EOE,[$eoe])

   466

   467

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

   468

# CPU timestamp counter support

   469

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

   470

   471

AC_ARG_ENABLE([cycles],

   472

    AS_HELP_STRING([--enable-cycles],

   473

                   [Use CPU timestamp counter (default: no)]),

   474

    [

   475

        case "${enableval}" in

   476

            yes) cycles=1

   477

                ;;

   478

            no) cycles=0

   479

                ;;

   480

            *) AC_MSG_ERROR([Invalid value for --enable-cycles])

   481

                ;;

   482

        esac

   483

    ],

   484

    [cycles=0]

   485

)

   486

   487

if test "x${cycles}" = "x1"; then

   488

    AC_DEFINE([EC_HAVE_CYCLES], [1], [Use CPU timestamp counter])

   489

fi

   490

   491

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