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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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    30

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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    39

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

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# Global

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

    42

    43

AC_PROG_CXX

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AC_PROG_LIBTOOL

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AM_PROG_CC_C_O

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    47

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

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# Linux sources

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

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    51

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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    72

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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    95

# 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_SUBST(LINUX_KERNEL_RELEASE,[$kernelrelease])

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AC_SUBST(LINUX_KERNEL_VERSION,[$linuxversion])

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AC_SUBST(LINUX_MOD_PATH,[/lib/modules/$kernelrelease/ethercat])

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

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   104

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

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# 8139too driver

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

   107

   108

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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    ),

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    [

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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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   140

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

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    AC_MSG_CHECKING([for kernel for 8139too driver])

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    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

   150

    if test $found -ne 1; then

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

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    fi

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    AC_MSG_RESULT([$kernel8139too])

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fi

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   157

AC_SUBST(KERNEL_8139TOO,[$kernel8139too])

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

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# e100 driver

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

   162

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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

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                ;;

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            no) enablee100=0

   171

                ;;

   172

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

   173

                ;;

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        esac

   175

    ],

   176

    [enablee100=0] # disabled by default

   177

)

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   179

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

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AC_SUBST(ENABLE_E100,[$enablee100])

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   182

AC_ARG_WITH([e100-kernel],

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    AC_HELP_STRING(

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

   185

        [e100 kernel (only if differing)]

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    ),

   187

    [

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        kernele100=[$withval]

   189

    ],

   190

    [

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        kernele100=$linuxversion

   192

    ]

   193

)

   194

   195

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

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    AC_MSG_CHECKING([for kernel for e100 driver])

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   198

    kernels=`ls -1 ${srcdir}/devices/ | grep -oE "^e100-.*-" | 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 "$kernele100" = "$k"; then

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            found=1

   203

        fi

   204

    done

   205

    if test $found -ne 1; then

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

   207

    fi

   208

   209

    AC_MSG_RESULT([$kernele100])

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fi

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   212

AC_SUBST(KERNEL_E100,[$kernele100])

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   214

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

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# e1000 driver

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

   217

   218

AC_ARG_ENABLE([e1000],

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    AS_HELP_STRING([--enable-e1000],

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                   [Enable e1000 driver]),

   221

    [

   222

        case "${enableval}" in

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            yes) enablee1000=1

   224

                ;;

   225

            no) enablee1000=0

   226

                ;;

   227

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

   228

                ;;

   229

        esac

   230

    ],

   231

    [enablee1000=0] # disabled by default

   232

)

   233

   234

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

   235

AC_SUBST(ENABLE_E1000,[$enablee1000])

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   237

AC_ARG_WITH([e1000-kernel],

   238

    AC_HELP_STRING(

   239

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

   240

        [e1000 kernel (only if differing)]

   241

    ),

   242

    [

   243

        kernele1000=[$withval]

   244

    ],

   245

    [

   246

        kernele1000=$linuxversion

   247

    ]

   248

)

   249

   250

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

   251

    AC_MSG_CHECKING([for kernel for e1000 driver])

   252

   253

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

   254

    found=0

   255

    for k in $kernels; do

   256

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

   257

            found=1

   258

        fi

   259

    done

   260

    if test $found -ne 1; then

   261

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

   262

    fi

   263

   264

    AC_MSG_RESULT([$kernele1000])

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fi

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   267

AC_SUBST(KERNEL_E1000,[$kernele1000])

   268

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

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# r8169 driver

   271

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

   272

   273

AC_ARG_ENABLE([r8169],

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    AS_HELP_STRING([--enable-r8169],

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                   [Enable r8169 driver]),

   276

    [

   277

        case "${enableval}" in

   278

            yes) enable_r8169=1

   279

                ;;

   280

            no) enable_r8169=0

   281

                ;;

   282

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

   283

                ;;

   284

        esac

   285

    ],

   286

    [enable_r8169=0] # disabled by default

   287

)

   288

   289

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

   290

AC_SUBST(ENABLE_R8169,[$enable_r8169])

   291

   292

AC_ARG_WITH([r8169-kernel],

   293

    AC_HELP_STRING(

   294

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

   295

        [r8169 kernel (only if differing)]

   296

    ),

   297

    [

   298

        kernel_r8169=[$withval]

   299

    ],

   300

    [

   301

        kernel_r8169=$linuxversion

   302

    ]

   303

)

   304

   305

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

   306

    AC_MSG_CHECKING([for kernel for r8169 driver])

   307

   308

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

   309

    found=0

   310

    for k in $kernels; do

   311

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

   312

            found=1

   313

        fi

   314

    done

   315

    if test $found -ne 1; then

   316

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

   317

    fi

   318

   319

    AC_MSG_RESULT([$kernel_r8169])

   320

fi

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   322

AC_SUBST(KERNEL_R8169,[$kernel_r8169])

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   324

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

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# RTAI path (optional)

   326

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

   327

   328

AC_ARG_WITH([rtai-dir],

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    AC_HELP_STRING(

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

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        [RTAI path (only for RTAI examples)]

   332

    ),

   333

    [

   334

        rtaidir=[$withval]

   335

    ],

   336

    [

   337

        rtaidir=""

   338

    ]

   339

)

   340

   341

AC_MSG_CHECKING([for RTAI path])

   342

   343

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

   344

    AC_MSG_RESULT([not specified.])

   345

else

   346

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

   347

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

   348

    fi

   349

    AC_MSG_RESULT([$rtaidir])

   350

fi

   351

   352

AC_SUBST(RTAI_DIR,[$rtaidir])

   353

   354

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

   355

# Debug interface

   356

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

   357

   358

AC_ARG_ENABLE([debug-if],

   359

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

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

   361

    [

   362

        case "${enableval}" in

   363

            yes) dbg=1

   364

                ;;

   365

            no) dbg=0

   366

                ;;

   367

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

   368

                ;;

   369

        esac

   370

    ],

   371

    [dbg=0]

   372

)

   373

   374

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

   375

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

   376

fi

   377

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

   378

AC_SUBST(ENABLE_DEBUG_IF,[$dbg])

   379

   380

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

   381

# Debug ring

   382

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

   383

   384

AC_ARG_ENABLE([debug-ring],

   385

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

   386

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

   387

    [

   388

        case "${enableval}" in

   389

            yes) debugring=1

   390

                ;;

   391

            no) debugring=0

   392

                ;;

   393

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

   394

                ;;

   395

        esac

   396

    ],

   397

    [debugring=0]

   398

)

   399

   400

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

   401

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

   402

fi

   403

   404

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

   405

# Ethernet over EtherCAT support

   406

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

   407

   408

AC_ARG_ENABLE([eoe],

   409

    AS_HELP_STRING([--enable-eoe],

   410

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

   411

    [

   412

        case "${enableval}" in

   413

            yes) eoe=1

   414

                ;;

   415

            no) eoe=0

   416

                ;;

   417

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

   418

                ;;

   419

        esac

   420

    ],

   421

    [eoe=1]

   422

)

   423

   424

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

   425

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

   426

fi

   427

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

   428

AC_SUBST(ENABLE_EOE,[$eoe])

   429

   430

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

   431

# CPU timestamp counter support

   432

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

   433

   434

AC_ARG_ENABLE([cycles],

   435

    AS_HELP_STRING([--enable-cycles],

   436

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

   437

    [

   438

        case "${enableval}" in

   439

            yes) cycles=1

   440

                ;;

   441

            no) cycles=0

   442

                ;;

   443

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

   444

                ;;

   445

        esac

   446

    ],

   447

    [cycles=0]

   448

)

   449

   450

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

   451

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

   452

fi

   453

   454

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

   455

# Command-line tool

   456

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

   457

   458

AC_ARG_ENABLE([tool],

   459

    AS_HELP_STRING([--enable-tool],

   460

                   [Build command-line tool (default: yes)]),

   461

    [

   462

        case "${enableval}" in

   463

            yes) tool=1

   464

                ;;

   465

            no) tool=0

   466

                ;;

   467

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

   468

                ;;

   469

        esac

   470

    ],

   471

    [tool=1]

   472

)

   473

   474

AM_CONDITIONAL(BUILD_TOOL, test "x$tool" = "x1")

   475

   476

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

   477

# Userspace library generation

   478

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

   479

   480

AC_ARG_ENABLE([userlib],

   481

    AS_HELP_STRING([--enable-userlib],

   482

                   [Generation of the userspace library (default: yes)]),

   483

    [

   484

        case "${enableval}" in

   485

            yes) userlib=1

   486

                ;;

   487

            no) userlib=0

   488

                ;;

   489

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

   490

                ;;

   491

        esac

   492