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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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    39

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

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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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    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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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_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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# Determine the name of the symbol version file

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

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   108

AC_MSG_CHECKING([for Linux symbol version file])

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   110

symvers=

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for file in Module.symvers Modules.symvers; do

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	if test -f "$LINUX_SOURCE_DIR/$file"; then

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		symvers=$file

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		break

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	fi

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done

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AC_SUBST(LINUX_SYMVERS,[$symvers])

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if test -n "$symvers"; then

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	AC_MSG_RESULT([$LINUX_SYMVERS])

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else

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	AC_MSG_RESULT(["(none)"])

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fi

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

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# Generic Ethernet driver

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

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   129

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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    ),

   176

    [

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        kernel8139too=[$withval]

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    ],

   179

    [

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        kernel8139too=$linuxversion

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    ]

   182

)

   183

   184

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

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    AC_MSG_CHECKING([for kernel for 8139too driver])

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   187

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

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    found=0

   189

    for k in $kernels; do

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

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            found=1

   192

        fi

   193

    done

   194

    if test $found -ne 1; then

   195

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

   196

    fi

   197

   198

    AC_MSG_RESULT([$kernel8139too])

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fi

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   201

AC_SUBST(KERNEL_8139TOO,[$kernel8139too])

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

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# e100 driver

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

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   207

AC_ARG_ENABLE([e100],

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    AS_HELP_STRING([--enable-e100],

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                   [Enable e100 driver]),

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    [

   211

        case "${enableval}" in

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            yes) enablee100=1

   213

                ;;

   214

            no) enablee100=0

   215

                ;;

   216

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

   217

                ;;

   218

        esac

   219

    ],

   220

    [enablee100=0] # disabled by default

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)

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   223

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

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AC_SUBST(ENABLE_E100,[$enablee100])

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   226

AC_ARG_WITH([e100-kernel],

   227

    AC_HELP_STRING(

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

   229

        [e100 kernel (only if differing)]

   230

    ),

   231

    [

   232

        kernele100=[$withval]

   233

    ],

   234

    [

   235

        kernele100=$linuxversion

   236

    ]

   237

)

   238

   239

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

   240

    AC_MSG_CHECKING([for kernel for e100 driver])

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   242

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

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    found=0

   244

    for k in $kernels; do

   245

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

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            found=1

   247

        fi

   248

    done

   249

    if test $found -ne 1; then

   250

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

   251

    fi

   252

   253

    AC_MSG_RESULT([$kernele100])

   254

fi

   255

   256

AC_SUBST(KERNEL_E100,[$kernele100])

   257

   258

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

   259

# e1000 driver

   260

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

   261

   262

AC_ARG_ENABLE([e1000],

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    AS_HELP_STRING([--enable-e1000],

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                   [Enable e1000 driver]),

   265

    [

   266

        case "${enableval}" in

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            yes) enablee1000=1

   268

                ;;

   269

            no) enablee1000=0

   270

                ;;

   271

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

   272

                ;;

   273

        esac

   274

    ],

   275

    [enablee1000=0] # disabled by default

   276

)

   277

   278

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

   279

AC_SUBST(ENABLE_E1000,[$enablee1000])

   280

   281

AC_ARG_WITH([e1000-kernel],

   282

    AC_HELP_STRING(

   283

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

   284

        [e1000 kernel (only if differing)]

   285

    ),

   286

    [

   287

        kernele1000=[$withval]

   288

    ],

   289

    [

   290

        kernele1000=$linuxversion

   291

    ]

   292

)

   293

   294

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

   295

    AC_MSG_CHECKING([for kernel for e1000 driver])

   296

   297

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

   298

    found=0

   299

    for k in $kernels; do

   300

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

   301

            found=1

   302

        fi

   303

    done

   304

    if test $found -ne 1; then

   305

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

   306

    fi

   307

   308

    AC_MSG_RESULT([$kernele1000])

   309

fi

   310

   311

AC_SUBST(KERNEL_E1000,[$kernele1000])

   312

   313

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

   314

# r8169 driver

   315

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

   316

   317

AC_ARG_ENABLE([r8169],

   318

    AS_HELP_STRING([--enable-r8169],

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                   [Enable r8169 driver]),

   320

    [

   321

        case "${enableval}" in

   322

            yes) enable_r8169=1

   323

                ;;

   324

            no) enable_r8169=0

   325

                ;;

   326

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

   327

                ;;

   328

        esac

   329

    ],

   330

    [enable_r8169=0] # disabled by default

   331

)

   332

   333

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

   334

AC_SUBST(ENABLE_R8169,[$enable_r8169])

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   336

AC_ARG_WITH([r8169-kernel],

   337

    AC_HELP_STRING(

   338

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

   339

        [r8169 kernel (only if differing)]

   340

    ),

   341

    [

   342

        kernel_r8169=[$withval]

   343

    ],

   344

    [

   345

        kernel_r8169=$linuxversion

   346

    ]

   347

)

   348

   349

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

   350

    AC_MSG_CHECKING([for kernel for r8169 driver])

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   352

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

   353

    found=0

   354

    for k in $kernels; do

   355

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

   356

            found=1

   357

        fi

   358

    done

   359

    if test $found -ne 1; then

   360

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

   361

    fi

   362

   363

    AC_MSG_RESULT([$kernel_r8169])

   364

fi

   365

   366

AC_SUBST(KERNEL_R8169,[$kernel_r8169])

   367

   368

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

   369

# RTAI path (optional)

   370

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

   371

   372

AC_ARG_WITH([rtai-dir],

   373

    AC_HELP_STRING(

   374

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

   375

        [RTAI path (only for RTAI examples)]

   376

    ),

   377

    [

   378

        rtaidir=[$withval]

   379

    ],

   380

    [

   381

        rtaidir=""

   382

    ]

   383

)

   384

   385

AC_MSG_CHECKING([for RTAI path])

   386

   387

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

   388

    AC_MSG_RESULT([not specified.])

   389

else

   390

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

   391

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

   392

    fi

   393

    AC_MSG_RESULT([$rtaidir])

   394

fi

   395

   396

AC_SUBST(RTAI_DIR,[$rtaidir])

   397

   398

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

   399

# Debug interface

   400

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

   401

   402

AC_ARG_ENABLE([debug-if],

   403

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

   404

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

   405

    [

   406

        case "${enableval}" in

   407

            yes) dbg=1

   408

                ;;

   409

            no) dbg=0

   410

                ;;

   411

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

   412

                ;;

   413

        esac

   414

    ],

   415

    [dbg=0]

   416

)

   417

   418

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

   419

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

   420

fi

   421

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

   422

AC_SUBST(ENABLE_DEBUG_IF,[$dbg])

   423

   424

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

   425

# Debug ring

   426

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

   427

   428

AC_ARG_ENABLE([debug-ring],

   429

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

   430

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

   431

    [

   432

        case "${enableval}" in

   433

            yes) debugring=1

   434

                ;;

   435

            no) debugring=0

   436

                ;;

   437

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

   438

                ;;

   439

        esac

   440

    ],

   441

    [debugring=0]

   442

)

   443

   444

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

   445

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

   446

fi

   447

   448

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

   449

# Ethernet over EtherCAT support

   450

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

   451

   452

AC_ARG_ENABLE([eoe],

   453

    AS_HELP_STRING([--enable-eoe],

   454

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

   455

    [

   456

        case "${enableval}" in

   457

            yes) eoe=1

   458

                ;;

   459

            no) eoe=0

   460

                ;;

   461

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

   462

                ;;

   463

        esac

   464

    ],

   465

    [eoe=1]

   466

)

   467

   468

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

   469

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

   470

fi

   471

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

   472

AC_SUBST(ENABLE_EOE,[$eoe])

   473

   474

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

   475

# CPU timestamp counter support

   476

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

   477

   478

AC_ARG_ENABLE([cycles],

   479

    AS_HELP_STRING([--enable-cycles],

   480

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

   481

    [

   482

        case "${enableval}" in

   483

            yes) cycles=1

   484

                ;;

   485

            no) cycles=0

   486

                ;;

   487

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

   488

                ;;

   489

        esac

   490

    ],

   491

    [cycles=0]

   492