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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])

    11

AC_CONFIG_SRCDIR([config.h.in])

    12

    13

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

    14

# Global

    15

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

    16

    17

AC_PROG_CXX

    18

AC_PROG_LIBTOOL

    20

    21

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

    22

# Linux sources

    23

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

    24

    25

AC_ARG_WITH([linux-dir],

    26

    AC_HELP_STRING(

    27

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

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        [Linux kernel sources @<:@running kernel@:>@]

    29

    ),

    30

    [

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        sourcedir=[$withval]

    32

    ],

    33

    [

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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

    38

           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`

    41

    ]

    42

)

    43

    44

AC_MSG_CHECKING([for Linux kernel sources])

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    46

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

    50

    51

# 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

    63

    64

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

    68

    69

# 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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    72

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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    78

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

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# 8139too driver

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

    81

    82

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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)

    97

    98

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

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AC_SUBST(ENABLE_8139TOO,[$enable8139too])

   100

   101

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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)

   113

   114

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

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    AC_MSG_CHECKING([for kernel for 8139too driver])

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   117

    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

   122

        fi

   123

    done

   124

    if test $found -ne 1; then

   125

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

   126

    fi

   127

   128

    AC_MSG_RESULT([$kernel8139too])

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fi

   130

   131

AC_SUBST(KERNEL_8139TOO,[$kernel8139too])

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   133

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

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# e100 driver

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

   136

   137

AC_ARG_ENABLE([e100],

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    AS_HELP_STRING([--enable-e100],

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                   [Enable e100 driver]),

   140

    [

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        case "${enableval}" in

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            yes) enablee100=1

   143

                ;;

   144

            no) enablee100=0

   145

                ;;

   146

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

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                ;;

   148

        esac

   149

    ],

   150

    [enablee100=0] # disabled by default

   151

)

   152

   153

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

   154

AC_SUBST(ENABLE_E100,[$enablee100])

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   156

AC_ARG_WITH([e100-kernel],

   157

    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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    ),

   161

    [

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        kernele100=[$withval]

   163

    ],

   164

    [

   165

        kernele100=$linuxversion

   166

    ]

   167

)

   168

   169

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

   170

    AC_MSG_CHECKING([for kernel for e100 driver])

   171

   172

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

   173

    found=0

   174

    for k in $kernels; do

   175

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

   176

            found=1

   177

        fi

   178

    done

   179

    if test $found -ne 1; then

   180

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

   181

    fi

   182

   183

    AC_MSG_RESULT([$kernele100])

   184

fi

   185

   186

AC_SUBST(KERNEL_E100,[$kernele100])

   187

   188

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

   189

# e1000 driver

   190

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

   191

   192

AC_ARG_ENABLE([e1000],

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    AS_HELP_STRING([--enable-e1000],

   194

                   [Enable e1000 driver]),

   195

    [

   196

        case "${enableval}" in

   197

            yes) enablee1000=1

   198

                ;;

   199

            no) enablee1000=0

   200

                ;;

   201

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

   202

                ;;

   203

        esac

   204

    ],

   205

    [enablee1000=0] # disabled by default

   206

)

   207

   208

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

   209

AC_SUBST(ENABLE_E1000,[$enablee1000])

   210

   211

AC_ARG_WITH([e1000-kernel],

   212

    AC_HELP_STRING(

   213

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

   214

        [e1000 kernel (only if differing)]

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    ),

   216

    [

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        kernele1000=[$withval]

   218

    ],

   219

    [

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        kernele1000=$linuxversion

   221

    ]

   222

)

   223

   224

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

   225

    AC_MSG_CHECKING([for kernel for e1000 driver])

   226

   227

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

   228

    found=0

   229

    for k in $kernels; do

   230

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

   231

            found=1

   232

        fi

   233

    done

   234

    if test $found -ne 1; then

   235

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

   236

    fi

   237

   238

    AC_MSG_RESULT([$kernele1000])

   239

fi

   240

   241

AC_SUBST(KERNEL_E1000,[$kernele1000])

   242

   243

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

   244

# RTAI path (optional)

   245

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

   246

   247

AC_ARG_WITH([rtai-dir],

   248

    AC_HELP_STRING(

   249

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

   250

        [RTAI path (only for RTAI examples)]

   251

    ),

   252

    [

   253

        rtaidir=[$withval]

   254

    ],

   255

    [

   256

        rtaidir=""

   257

    ]

   258

)

   259

   260

AC_MSG_CHECKING([for RTAI path])

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   262

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

   263

    AC_MSG_RESULT([not specified.])

   264

else

   265

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

   266

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

   267

    fi

   268

    AC_MSG_RESULT([$rtaidir])

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fi

   270

   271

AC_SUBST(RTAI_DIR,[$rtaidir])

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   273

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

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# Debug interface

   275

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

   276

   277

AC_ARG_ENABLE([debug-if],

   278

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

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

   280

    [

   281

        case "${enableval}" in

   282

            yes) dbg=1

   283

                ;;

   284

            no) dbg=0

   285

                ;;

   286

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

   287

                ;;

   288

        esac

   289

    ],

   290

    [dbg=0]

   291

)

   292

   293

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

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

   295

fi

   296

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

   297

AC_SUBST(ENABLE_DEBUG_IF,[$dbg])

   298

   299

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

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# Debug ring

   301

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

   302

   303

AC_ARG_ENABLE([debug-ring],

   304

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

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

   306

    [

   307

        case "${enableval}" in

   308

            yes) debugring=1

   309

                ;;

   310

            no) debugring=0

   311

                ;;

   312

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

   313

                ;;

   314

        esac

   315

    ],

   316

    [debugring=0]

   317

)

   318

   319

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

   320

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

   321

fi

   322

   323

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

   324

# Ethernet-over-EtherCAT support

   325

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

   326

   327

AC_ARG_ENABLE([eoe],

   328

    AS_HELP_STRING([--enable-eoe],

   329

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

   330

    [

   331

        case "${enableval}" in

   332

            yes) eoe=1

   333

                ;;

   334

            no) eoe=0

   335

                ;;

   336

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

   337

                ;;

   338

        esac

   339

    ],

   340

    [eoe=1]

   341

)

   342

   343

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

   344

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

   345

fi

   346

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

   347

AC_SUBST(ENABLE_EOE,[$eoe])

   348

   349

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

   350

# CPU timestamp counter support

   351

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

   352

   353

AC_ARG_ENABLE([cycles],

   354

    AS_HELP_STRING([--enable-cycles],

   355

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

   356

    [

   357

        case "${enableval}" in

   358

            yes) cycles=1

   359

                ;;

   360

            no) cycles=0

   361

                ;;

   362

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

   363

                ;;

   364

        esac

   365

    ],

   366

    [cycles=0]

   367

)

   368

   369

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

   370

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

   371

fi

   372

   373

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

   374

# Command-line tool

   375

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

   376

   377

AC_ARG_ENABLE([tool],

   378

    AS_HELP_STRING([--enable-tool],

   379

                   [Build command-line tool (default: yes)]),

   380

    [

   381

        case "${enableval}" in

   382

            yes) tool=1

   383

                ;;

   384

            no) tool=0

   385

                ;;

   386

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

   387

                ;;

   388

        esac

   389

    ],

   390

    [tool=1]

   391

)

   392

   393

AM_CONDITIONAL(BUILD_TOOL, test "x$tool" = "x1")

   394

   395

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

   396

# Userspace library generation

   397

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

   398

   399

AC_ARG_ENABLE([userlib],

   400

    AS_HELP_STRING([--enable-userlib],

   401

                   [Generation of the userspace library (default: yes)]),

   402

    [

   403

        case "${enableval}" in

   404

            yes) userlib=1

   405

                ;;

   406

            no) userlib=0

   407

                ;;

   408

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

   409

                ;;

   410

        esac

   411

    ],

   412

    [userlib=1]

   413

)

   414

   415

AM_CONDITIONAL(ENABLE_USERLIB, test "x$userlib" = "x1")

   416

   417

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

   418

   419

AC_CONFIG_FILES([

   420

        Doxyfile

   421

        Kbuild

   422

        Makefile

   423

        devices/Kbuild

   424

        devices/Makefile

   425

        devices/e1000/Kbuild

   426

        devices/e1000/Makefile

   427

        examples/Kbuild

   428

        examples/Makefile

   429

        examples/mini/Kbuild

   430

        examples/mini/Makefile

   431

        examples/rtai/Kbuild

   432

        examples/rtai/Makefile

   433

        examples/user/Makefile

   434

        include/Makefile

   435

        lib/Makefile

   436

        master/Kbuild

   437

        master/Makefile

   438

        script/Makefile

   439

        script/init.d/Makefile

   440

        script/init.d/ethercat

   441

        script/sysconfig/Makefile

   442

        tool/Makefile

   443

])

   444

AC_OUTPUT

   445

   446

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