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

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# $Id$

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

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AC_PREREQ(2.59)

     6

AC_INIT([ethercat],[1.4.1],[fp@igh-essen.com])

     7

AC_CONFIG_AUX_DIR([autoconf])

     8

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

     9

AC_PREFIX_DEFAULT([/opt/etherlab])

    10

AC_CONFIG_HEADERS([config.h])

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AC_CONFIG_SRCDIR([config.h.in])

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    13

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

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# Global

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

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    17

AC_PROG_CXX

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    19

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

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# Linux sources

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

    22

    23

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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    ],

    31

    [

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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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)

    41

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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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    49

# 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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    62

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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    67

# 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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    70

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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    76

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

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# 8139too driver

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

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    80

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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   112

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

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    AC_MSG_CHECKING([for kernel for 8139too driver])

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   115

    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

   122

    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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   129

AC_SUBST(KERNEL_8139TOO,[$kernel8139too])

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   131

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

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# e1000 driver

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

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AC_ARG_ENABLE([e1000],

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    AS_HELP_STRING([--enable-e1000],

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                   [Enable e1000 driver]),

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    [

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        case "${enableval}" in

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            yes) enablee1000=1

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                ;;

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            no) enablee1000=0

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                ;;

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

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                ;;

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        esac

   147

    ],

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    [enablee1000=0] # disabled by default

   149

)

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   151

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

   152

AC_SUBST(ENABLE_E1000,[$enablee1000])

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   154

AC_ARG_WITH([e1000-kernel],

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    AC_HELP_STRING(

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

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        [e1000 kernel (only if differing)]

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    ),

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    [

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        kernele1000=[$withval]

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    ],

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    [

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        kernele1000=$linuxversion

   164

    ]

   165

)

   166

   167

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

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    AC_MSG_CHECKING([for kernel for e1000 driver])

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   170

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

   171

    found=0

   172

    for k in $kernels; do

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

   174

            found=1

   175

        fi

   176

    done

   177

    if test $found -ne 1; then

   178

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

   179

    fi

   180

   181

    AC_MSG_RESULT([$kernele1000])

   182

fi

   183

   184

AC_SUBST(KERNEL_E1000,[$kernele1000])

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   186

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

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# r8169 driver

   188

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

   189

   190

AC_ARG_ENABLE([r8169],

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    AS_HELP_STRING([--enable-r8169],

   192

                   [Enable r8169 driver]),

   193

    [

   194

        case "${enableval}" in

   195

            yes) enable_r8169=1

   196

                ;;

   197

            no) enable_r8169=0

   198

                ;;

   199

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

   200

                ;;

   201

        esac

   202

    ],

   203

    [enable_r8169=0] # disabled by default

   204

)

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   206

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

   207

AC_SUBST(ENABLE_R8169,[$enable_r8169])

   208

   209

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)]

   213

    ),

   214

    [

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        kernel_r8169=[$withval]

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    ],

   217

    [

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        kernel_r8169=$linuxversion

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    ]

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)

   221

   222

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

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    AC_MSG_CHECKING([for kernel for r8169 driver])

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   225

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

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    found=0

   227

    for k in $kernels; do

   228

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

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            found=1

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        fi

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    done

   232

    if test $found -ne 1; then

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

   234

    fi

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    AC_MSG_RESULT([$kernel_r8169])

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fi

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   239

AC_SUBST(KERNEL_R8169,[$kernel_r8169])

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

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# RTAI path (optional)

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

   244

   245

AC_ARG_WITH([rtai-dir],

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    AC_HELP_STRING(

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

   248

        [RTAI path (only for RTAI examples)]

   249

    ),

   250

    [

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        rtaidir=[$withval]

   252

    ],

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    [

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        rtaidir=""

   255

    ]

   256

)

   257

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AC_MSG_CHECKING([for RTAI path])

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   260

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

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    AC_MSG_RESULT([not specified.])

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else

   263

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

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

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    fi

   266

    AC_MSG_RESULT([$rtaidir])

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fi

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   269

AC_SUBST(RTAI_DIR,[$rtaidir])

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

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# Debug interface

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

   274

   275

AC_ARG_ENABLE([debug-if],

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

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

   278

    [

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        case "${enableval}" in

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            yes) dbg=1

   281

                ;;

   282

            no) dbg=0

   283

                ;;

   284

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

   285

                ;;

   286

        esac

   287

    ],

   288

    [dbg=0]

   289

)

   290

   291

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

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

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fi

   294

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

   295

AC_SUBST(ENABLE_DEBUG_IF,[$dbg])

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

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# Debug ring

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

   300

   301

AC_ARG_ENABLE([debug-ring],

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

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

   304

    [

   305

        case "${enableval}" in

   306

            yes) debugring=1

   307

                ;;

   308

            no) debugring=0

   309

                ;;

   310

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

   311

                ;;

   312

        esac

   313

    ],

   314

    [debugring=0]

   315

)

   316

   317

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

   318

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

   319

fi

   320

   321

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

   322

# Ethernet over EtherCAT support

   323

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

   324

   325

AC_ARG_ENABLE([eoe],

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    AS_HELP_STRING([--enable-eoe],

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

   328

    [

   329

        case "${enableval}" in

   330

            yes) eoe=1

   331

                ;;

   332

            no) eoe=0

   333

                ;;

   334

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

   335

                ;;

   336

        esac

   337

    ],

   338

    [eoe=1]

   339

)

   340

   341

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

   342

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

   343

fi

   344

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

   345

AC_SUBST(ENABLE_EOE,[$eoe])

   346

   347

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

   348

# CPU timestamp counter support

   349

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

   350

   351

AC_ARG_ENABLE([cycles],

   352

    AS_HELP_STRING([--enable-cycles],

   353

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

   354

    [

   355

        case "${enableval}" in

   356

            yes) cycles=1

   357

                ;;

   358

            no) cycles=0

   359

                ;;

   360

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

   361

                ;;

   362

        esac

   363

    ],

   364

    [cycles=0]

   365

)

   366

   367

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

   368

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

   369

fi

   370

   371

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

   372

   373

AC_CONFIG_FILES([

   374

        Doxyfile

   375

        Kbuild

   376

        Makefile

   377

        devices/Kbuild

   378

        devices/Makefile

   379

        devices/e1000/Kbuild

   380

        devices/e1000/Makefile

   381

        examples/Makefile

   382

        examples/mini/Kbuild

   383

        examples/mini/Makefile

   384

        examples/rtai/Kbuild

   385

        examples/rtai/Makefile

   386

        include/Makefile

   387

        master/Kbuild

   388

        master/Makefile

   389

        script/Makefile

   390

        script/init.d/Makefile

   391

        script/init.d/ethercat

   392

        script/sysconfig/Makefile

   393

        tool/Makefile

   394

])

   395

AC_OUTPUT

   396

   397

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