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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],[devel],[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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    20

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

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# Linux sources

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

    23

    24

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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)

    42

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AC_MSG_CHECKING([for Linux kernel sources])

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    45

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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    50

# 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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    63

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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    68

# 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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    71

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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    77

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

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# 8139too driver

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

    80

    81

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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   113

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

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    AC_MSG_CHECKING([for kernel for 8139too driver])

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   116

    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

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    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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   130

AC_SUBST(KERNEL_8139TOO,[$kernel8139too])

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

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# e100 driver

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

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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

   144

                ;;

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

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                ;;

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        esac

   148

    ],

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    [enablee100=0] # disabled by default

   150

)

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   152

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

   153

AC_SUBST(ENABLE_E100,[$enablee100])

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AC_ARG_WITH([e100-kernel],

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    AC_HELP_STRING(

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

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        [e100 kernel (only if differing)]

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    ),

   160

    [

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        kernele100=[$withval]

   162

    ],

   163

    [

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        kernele100=$linuxversion

   165

    ]

   166

)

   167

   168

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

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    AC_MSG_CHECKING([for kernel for e100 driver])

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   171

    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

   176

        fi

   177

    done

   178

    if test $found -ne 1; then

   179

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

   180

    fi

   181

   182

    AC_MSG_RESULT([$kernele100])

   183

fi

   184

   185

AC_SUBST(KERNEL_E100,[$kernele100])

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   187

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

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# e1000 driver

   189

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

   190

   191

AC_ARG_ENABLE([e1000],

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    AS_HELP_STRING([--enable-e1000],

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                   [Enable e1000 driver]),

   194

    [

   195

        case "${enableval}" in

   196

            yes) enablee1000=1

   197

                ;;

   198

            no) enablee1000=0

   199

                ;;

   200

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

   201

                ;;

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        esac

   203

    ],

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    [enablee1000=0] # disabled by default

   205

)

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   207

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

   208

AC_SUBST(ENABLE_E1000,[$enablee1000])

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   210

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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    ),

   215

    [

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        kernele1000=[$withval]

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    ],

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    [

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        kernele1000=$linuxversion

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    ]

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)

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

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    AC_MSG_CHECKING([for kernel for e1000 driver])

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    kernels=`ls -1 ${srcdir}/devices/e1000/ | grep -oE "^e1000_main-.*" | 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 "$kernele1000" = "$k"; then

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            found=1

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        fi

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    done

   233

    if test $found -ne 1; then

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

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    fi

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    AC_MSG_RESULT([$kernele1000])

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fi

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AC_SUBST(KERNEL_E1000,[$kernele1000])

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

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# RTAI path (optional)

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

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   246

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)]

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    ),

   251

    [

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        rtaidir=[$withval]

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    ],

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    [

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        rtaidir=""

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    ]

   257

)

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AC_MSG_CHECKING([for RTAI path])

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   261

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

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    AC_MSG_RESULT([not specified.])

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else

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    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

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    AC_MSG_RESULT([$rtaidir])

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fi

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AC_SUBST(RTAI_DIR,[$rtaidir])

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

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# Debug interface

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

   275

   276

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@:>@]),

   279

    [

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        case "${enableval}" in

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            yes) dbg=1

   282

                ;;

   283

            no) dbg=0

   284

                ;;

   285

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

   286

                ;;

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        esac

   288

    ],

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    [dbg=0]

   290

)

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   292

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

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

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fi

   295

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

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AC_SUBST(ENABLE_DEBUG_IF,[$dbg])

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

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# Debug ring

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

   301

   302

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@:>@]),

   305

    [

   306

        case "${enableval}" in

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            yes) debugring=1

   308

                ;;

   309

            no) debugring=0

   310

                ;;

   311

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

   312

                ;;

   313

        esac

   314

    ],

   315

    [debugring=0]

   316

)

   317

   318

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

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

   320

fi

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

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# Ethernet-over-EtherCAT support

   324

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

   325

   326

AC_ARG_ENABLE([eoe],

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    AS_HELP_STRING([--enable-eoe],

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

   329

    [

   330

        case "${enableval}" in

   331

            yes) eoe=1

   332

                ;;

   333

            no) eoe=0

   334

                ;;

   335

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

   336

                ;;

   337

        esac

   338

    ],

   339

    [eoe=1]

   340

)

   341

   342

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

   343

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

   344

fi

   345

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

   346

AC_SUBST(ENABLE_EOE,[$eoe])

   347

   348

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

   349

# CPU timestamp counter support

   350

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

   351

   352

AC_ARG_ENABLE([cycles],

   353

    AS_HELP_STRING([--enable-cycles],

   354

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

   355

    [

   356

        case "${enableval}" in

   357

            yes) cycles=1

   358

                ;;

   359

            no) cycles=0

   360

                ;;

   361

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

   362

                ;;

   363

        esac

   364

    ],

   365

    [cycles=0]

   366

)

   367

   368

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

   369

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

   370

fi

   371

   372

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

   395

   396

AC_CONFIG_FILES([

   397

        Doxyfile

   398

        Kbuild

   399

        Makefile

   400

        devices/Kbuild

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        devices/Makefile

   402

        devices/e1000/Kbuild

   403

        devices/e1000/Makefile

   404

        examples/Makefile

   405

        examples/mini/Kbuild

   406

        examples/mini/Makefile

   407

        examples/rtai/Kbuild

   408

        examples/rtai/Makefile

   410

        include/Makefile

   412

        master/Kbuild

   413

        master/Makefile

   414

        script/Makefile

   415

        script/init.d/Makefile

   416

        script/init.d/ethercat

   417

        script/sysconfig/Makefile

   418

        tool/Makefile

   419

])

   420

AC_OUTPUT

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   422

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