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

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#

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#  $Id$

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#

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#  Copyright (C) 2006-2012  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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    32

#

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# Release procedure

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# - Update Ethernet drivers up to release kernel version

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# - Write NEWS entry with changes since last release

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# - Check for complete Doxygen comments

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# - Update version number in documentation

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# - Update the ChangeLog -> hg log -bstable-1.5 --style=changelog > ChangeLog

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# - Update version number below

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# - make dist-bzip2

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#

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AC_INIT([ethercat],[1.5.2],[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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    50

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

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# Global

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

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    54

AM_PROG_CC_C_O

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m4_ifdef([AM_PROG_AR], [AM_PROG_AR])

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AC_PROG_CXX

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AC_PROG_LIBTOOL

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

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# Kernel modules

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

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AC_MSG_CHECKING([whether to build kernel modules])

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AC_ARG_ENABLE([kernel],

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    AS_HELP_STRING([--enable-kernel],

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                   [Enable building kernel modules]),

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    [

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        case "${enableval}" in

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            yes) enablekernel=1

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                ;;

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            no) enablekernel=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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    [enablekernel=1]

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)

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if test "x$enablekernel" = "x1"; then

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    AC_MSG_RESULT([yes])

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else

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    AC_MSG_RESULT([no])

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fi

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AM_CONDITIONAL(ENABLE_KERNEL, test "x$enablekernel" = "x1")

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AC_SUBST(ENABLE_KERNEL,[$enablekernel])

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

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# Linux sources

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

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if test "x$enablekernel" = "x1"; then

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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

   111

        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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   117

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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# 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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if test ${kernelrelease%%.*} -gt 2; then

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    regex="^[[0-9]]+\.[[0-9]]+"

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else

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    regex="^[[0-9]]+\.[[0-9]]+\.[[0-9]]+"

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fi

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# Extract numbers from kernel release

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linuxversion=`echo $kernelrelease | grep -oE "$regex"`

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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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fi

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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

   183

                ;;

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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=$enablekernel]

   189

)

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   191

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

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AC_SUBST(ENABLE_GENERIC,[$enablegeneric])

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   194

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

   195

# 8139too driver

   196

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

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   198

AC_ARG_ENABLE([8139too],

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    AS_HELP_STRING([--enable-8139too],

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                   [Enable 8139too driver]),

   201

    [

   202

        case "${enableval}" in

   203

            yes) enable8139too=1

   204

                ;;

   205

            no) enable8139too=0

   206

                ;;

   207

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

   208

                ;;

   209

        esac

   210

    ],

   211

    [enable8139too=$enablekernel]

   212

)

   213

   214

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

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AC_SUBST(ENABLE_8139TOO,[$enable8139too])

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   217

AC_ARG_WITH([8139too-kernel],

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    AC_HELP_STRING(

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

   220

        [8139too kernel (only if differing)]

   221

    ),

   222

    [

   223

        kernel8139too=[$withval]

   224

    ],

   225

    [

   226

        kernel8139too=$linuxversion

   227

    ]

   228

)

   229

   230

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

   231

    AC_MSG_CHECKING([for kernel for 8139too driver])

   232

   233

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

   234

    found=0

   235

    for k in $kernels; do

   236

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

   237

            found=1

   238

        fi

   239

    done

   240

    if test $found -ne 1; then

   241

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

   242

    fi

   243

   244

    AC_MSG_RESULT([$kernel8139too])

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fi

   246

   247

AC_SUBST(KERNEL_8139TOO,[$kernel8139too])

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   249

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

   250

# CCAT driver

   251

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

   252

   253

AC_ARG_ENABLE([ccat],

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    AS_HELP_STRING([--enable-ccat],

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                   [Enable CCAT driver]),

   256

    [

   257

        case "${enableval}" in

   258

            yes) enableccat=1

   259

                ;;

   260

            no) enableccat=0

   261

                ;;

   262

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

   263

                ;;

   264

        esac

   265

    ],

   266

    [enableccat=0] # disabled by default

   267

)

   268

   269

AM_CONDITIONAL(ENABLE_CCAT, test "x$enableccat" = "x1")

   270

AC_SUBST(ENABLE_CCAT,[$enableccat])

   271

   272

AC_ARG_WITH([ccat-kernel],

   273

    AC_HELP_STRING(

   274

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

   275

        [ccat kernel (only if differing)]

   276

    ),

   277

    [

   278

        kernelccat=[$withval]

   279

    ],

   280

    [

   281

        kernelccat=$linuxversion

   282

    ]

   283

)

   284

   285

AC_SUBST(KERNEL_CCAT,[$kernelccat])

   286

   287

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

   288

# e100 driver

   289

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

   290

   291

AC_ARG_ENABLE([e100],

   292

    AS_HELP_STRING([--enable-e100],

   293

                   [Enable e100 driver]),

   294

    [

   295

        case "${enableval}" in

   296

            yes) enablee100=1

   297

                ;;

   298

            no) enablee100=0

   299

                ;;

   300

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

   301

                ;;

   302

        esac

   303

    ],

   304

    [enablee100=0] # disabled by default

   305

)

   306

   307

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

   308

AC_SUBST(ENABLE_E100,[$enablee100])

   309

   310

AC_ARG_WITH([e100-kernel],

   311

    AC_HELP_STRING(

   312

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

   313

        [e100 kernel (only if differing)]

   314

    ),

   315

    [

   316

        kernele100=[$withval]

   317

    ],

   318

    [

   319

        kernele100=$linuxversion

   320

    ]

   321

)

   322

   323

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

   324

    AC_MSG_CHECKING([for kernel for e100 driver])

   325

   326

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

   327

    found=0

   328

    for k in $kernels; do

   329

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

   330

            found=1

   331

        fi

   332

    done

   333

    if test $found -ne 1; then

   334

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

   335

    fi

   336

   337

    AC_MSG_RESULT([$kernele100])

   338

fi

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   340

AC_SUBST(KERNEL_E100,[$kernele100])

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   342

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

   343

# e1000 driver

   344

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

   345

   346

AC_ARG_ENABLE([e1000],

   347

    AS_HELP_STRING([--enable-e1000],

   348

                   [Enable e1000 driver]),

   349

    [

   350

        case "${enableval}" in

   351

            yes) enablee1000=1

   352

                ;;

   353

            no) enablee1000=0

   354

                ;;

   355

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

   356

                ;;

   357

        esac

   358

    ],

   359

    [enablee1000=0] # disabled by default

   360

)

   361

   362

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

   363

AC_SUBST(ENABLE_E1000,[$enablee1000])

   364

   365

AC_ARG_WITH([e1000-kernel],

   366

    AC_HELP_STRING(

   367

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

   368

        [e1000 kernel (only if differing)]

   369

    ),

   370

    [

   371

        kernele1000=[$withval]

   372

    ],

   373

    [

   374

        kernele1000=$linuxversion

   375

    ]

   376

)

   377

   378

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

   379

    AC_MSG_CHECKING([for kernel for e1000 driver])

   380

   381

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

   382

    found=0

   383

    for k in $kernels; do

   384

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

   385

            found=1

   386

        fi

   387

    done

   388

    if test $found -ne 1; then

   389

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

   390

    fi

   391

   392

    AC_MSG_RESULT([$kernele1000])

   393

fi

   394

   395

AC_SUBST(KERNEL_E1000,[$kernele1000])

   396

   397

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

   398

# e1000e driver

   399

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

   400

   401

AC_ARG_ENABLE([e1000e],

   402

    AS_HELP_STRING([--enable-e1000e],

   403

                   [Enable e1000e driver]),

   404

    [

   405

        case "${enableval}" in

   406

            yes) enablee1000e=1

   407

                ;;

   408

            no) enablee1000e=0

   409

                ;;

   410

            *) AC_MSG_ERROR([Invalid value for --enable-e1000e])

   411

                ;;

   412

        esac

   413

    ],

   414

    [enablee1000e=0] # disabled by default

   415

)

   416

   417

AM_CONDITIONAL(ENABLE_E1000E, test "x$enablee1000e" = "x1")

   418

AC_SUBST(ENABLE_E1000E,[$enablee1000e])

   419

   420

AC_ARG_WITH([e1000e-kernel],

   421

    AC_HELP_STRING(

   422

        [--with-e1000e-kernel=<X.Y.Z>],

   423

        [e1000e kernel (only if differing)]

   424

    ),

   425

    [

   426

        kernele1000e=[$withval]

   427

    ],

   428

    [

   429

        kernele1000e=$linuxversion

   430

    ]

   431

)

   432

   433

e1000elayout34=0

   434

   435

if test "x${enablee1000e}" = "x1"; then

   436

    AC_MSG_CHECKING([for kernel for e1000e driver])

   437

   438

    kernels=`ls -1 ${srcdir}/devices/e1000e/ | grep -oE "^netdev-.*" | cut -d "-" -f 2 | uniq`

   439

    found=0

   440

    for k in $kernels; do

   441

        if test "$kernele1000e" = "$k"; then

   442

            found=1

   443

        fi

   444

    done

   445

    if test $found -ne 1; then

   446

        AC_MSG_ERROR([kernel $kernele1000e not available for e1000e driver!])

   447

    fi

   448

   449

    AC_MSG_RESULT([$kernele1000e])

   450

   451

    # check for e1000e file layout (changed in kernel 3.4)

   452

    AC_MSG_CHECKING([for e1000e source layout])

   453

   454

    file34="${srcdir}/devices/e1000e/80003es2lan-$kernele1000e-ethercat.c"

   455

   456

    if test -r "$file34"; then

   457

        AC_MSG_RESULT([>= 3.4])

   458

        e1000elayout34=1

   459

    else

   460

        AC_MSG_RESULT([before 3.4])

   461

    fi

   462

   463

fi

   464

   465

AC_SUBST(KERNEL_E1000E,[$kernele1000e])

   466

AC_SUBST(E1000E_LAYOUT_3_4, [$e1000elayout34])

   467

   468

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

   469

# r8169 driver

   470

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

   471

   472

AC_ARG_ENABLE([r8169],

   473

    AS_HELP_STRING([--enable-r8169],

   474

                   [Enable r8169 driver]),

   475

    [

   476

        case "${enableval}" in

   477

            yes) enable_r8169=1

   478

                ;;

   479

            no) enable_r8169=0

   480

                ;;

   481

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

   482

                ;;

   483

        esac

   484

    ],

   485

    [enable_r8169=0] # disabled by default

   486

)

   487

   488

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

   489

AC_SUBST(ENABLE_R8169,[$enable_r8169])

   490

   491

AC_ARG_WITH([r8169-kernel],