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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],[1.4.0-rc2],[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])

    11

AC_CONFIG_SRCDIR([config.h.in])

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    13

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

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# Global

    15

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

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    17

branch=stable

    18

    19

AC_DEFINE_UNQUOTED(BRANCH, ["$branch"], [Subversion branch])

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AC_SUBST(BRANCH, [$branch])

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    22

AC_PROG_CXX

    23

    24

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

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# Linux sources

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

    27

    28

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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)

    46

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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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# 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

    66

    67

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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    72

# 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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    81

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

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# 8139too driver

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

    84

    85

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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   101

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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   117

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

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    AC_MSG_CHECKING([for kernel for 8139too driver])

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

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    found=0

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    for k in $kernels; do

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

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            found=1

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        fi

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    done

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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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   134

AC_SUBST(KERNEL_8139TOO,[$kernel8139too])

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

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# e100 driver

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

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   140

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

   148

                ;;

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

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                ;;

   151

        esac

   152

    ],

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    [enablee100=0] # disabled by default

   154

)

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   156

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

   157

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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    ),

   164

    [

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        kernele100=[$withval]

   166

    ],

   167

    [

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        kernele100=$linuxversion

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    ]

   170

)

   171

   172

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

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    AC_MSG_CHECKING([for kernel for e100 driver])

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   175

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

   176

    found=0

   177

    for k in $kernels; do

   178

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

   179

            found=1

   180

        fi

   181

    done

   182

    if test $found -ne 1; then

   183

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

   184

    fi

   185

   186

    AC_MSG_RESULT([$kernele100])

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fi

   188

   189

AC_SUBST(KERNEL_E100,[$kernele100])

   190

   191

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

   192

# e1000 driver

   193

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

   194

   195

AC_ARG_ENABLE([e1000],

   196

    AS_HELP_STRING([--enable-e1000],

   197

                   [Enable e1000 driver]),

   198

    [

   199

        case "${enableval}" in

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            yes) enablee1000=1

   201

                ;;

   202

            no) enablee1000=0

   203

                ;;

   204

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

   205

                ;;

   206

        esac

   207

    ],

   208

    [enablee1000=0] # disabled by default

   209

)

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   211

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

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AC_SUBST(ENABLE_E1000,[$enablee1000])

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   214

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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    ),

   219

    [

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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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   227

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

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    AC_MSG_CHECKING([for kernel for e1000 driver])

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   230

    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

   236

    done

   237

    if test $found -ne 1; then

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

   239

    fi

   240

   241

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

   249

   250

AC_ARG_WITH([rtai-dir],

   251

    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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    ),

   255

    [

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        rtaidir=[$withval]

   257

    ],

   258

    [

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        rtaidir=""

   260

    ]

   261

)

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   263

AC_MSG_CHECKING([for RTAI path])

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   265

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

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    AC_MSG_RESULT([not specified.])

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else

   268

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

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

   270

    fi

   271

    AC_MSG_RESULT([$rtaidir])

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fi

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   274

AC_SUBST(RTAI_DIR,[$rtaidir])

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

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# Debug interface

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

   279

   280

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@:>@]),

   283

    [

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        case "${enableval}" in

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            yes) dbg=1

   286

                ;;

   287

            no) dbg=0

   288

                ;;

   289

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

   290

                ;;

   291

        esac

   292

    ],

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    [dbg=0]

   294

)

   295

   296

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

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

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fi

   299

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

   300

AC_SUBST(ENABLE_DEBUG_IF,[$dbg])

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

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# Debug ring

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

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   306

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@:>@]),

   309

    [

   310

        case "${enableval}" in

   311

            yes) debugring=1

   312

                ;;

   313

            no) debugring=0

   314

                ;;

   315

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

   316

                ;;

   317

        esac

   318

    ],

   319

    [debugring=0]

   320

)

   321

   322

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

   323

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

   324

fi

   325

   326

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

   327

# Ethernet-over-EtherCAT support

   328

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

   329

   330

AC_ARG_ENABLE([eoe],

   331

    AS_HELP_STRING([--enable-eoe],

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

   333

    [

   334

        case "${enableval}" in

   335

            yes) eoe=1

   336

                ;;

   337

            no) eoe=0

   338

                ;;

   339

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

   340

                ;;

   341

        esac

   342

    ],

   343

    [eoe=1]

   344

)

   345

   346

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

   347

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

   348

fi

   349

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

   350

AC_SUBST(ENABLE_EOE,[$eoe])

   351

   352

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

   353

# CPU timestamp counter support

   354

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

   355

   356

AC_ARG_ENABLE([cycles],

   357

    AS_HELP_STRING([--enable-cycles],

   358

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

   359

    [

   360

        case "${enableval}" in

   361

            yes) cycles=1

   362

                ;;

   363

            no) cycles=0

   364

                ;;

   365

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

   366

                ;;

   367

        esac

   368

    ],

   369

    [cycles=0]

   370

)

   371

   372

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

   373

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

   374

fi

   375

   376

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

   377

   378

AC_CONFIG_FILES([

   379

        Doxyfile

   380

        Kbuild

   381

        Makefile

   382

        devices/Kbuild

   383

        devices/Makefile

   384

        devices/e1000/Kbuild

   385

        devices/e1000/Makefile

   386

        examples/Makefile

   387

        examples/mini/Kbuild

   388

        examples/mini/Makefile

   389

        examples/rtai/Kbuild

   390

        examples/rtai/Makefile

   391

        include/Makefile

   392

        master/Kbuild

   393

        master/Makefile

   394

        script/Makefile

   395

        script/init.d/Makefile

   396

        script/init.d/ethercat

   397

        script/sysconfig/Makefile

   398

        tool/Makefile

   399

])

   400

AC_OUTPUT

   401

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