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

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# $Id$

     3

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

     4

     5

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

    19

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

    20

# Linux sources

    21

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

    22

    23

AC_ARG_WITH([linux-dir],

    24

    AC_HELP_STRING(

    25

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

    26

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

    27

    ),

    28

    [

    29

        sourcedir=[$withval]

    30

    ],

    31

    [

    32

        version=[`uname -r`]

    33

        modulesdir=/lib/modules/${version}

    34

        if test \! -d ${modulesdir} || test \! -d ${modulesdir}/build; then

    35

           echo

    36

           AC_MSG_ERROR([Failed to find Linux sources. Use --with-linux-dir!])

    37

        fi

    38

        sourcedir=`cd ${modulesdir}/build && pwd -P`

    39

    ]

    40

)

    41

    42

AC_MSG_CHECKING([for Linux kernel sources])

    43

    44

if test \! -r ${sourcedir}/.config; then

    45

    echo

    46

    AC_MSG_ERROR([No configured Linux kernel sources in $sourcedir])

    47

fi

    48

    49

# Try to get kernel release string

    50

if test -r ${sourcedir}/include/config/kernel.release; then

    51

    kernelrelease=`cat $sourcedir/include/config/kernel.release`

    52

elif test -r ${sourcedir}/.kernelrelease; then

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    kernelrelease=`cat $sourcedir/.kernelrelease`

    54

elif test -r ${sourcedir}/include/linux/utsrelease.h; then

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    hdr=${sourcedir}/include/linux/utsrelease.h

    56

    kernelrelease=`grep UTS_RELEASE $hdr | cut -d " " -f 3- | tr -d \"`

    57

elif test -r ${sourcedir}/include/linux/version.h; then

    58

    hdr=${sourcedir}/include/linux/version.h

    59

    kernelrelease=`grep UTS_RELEASE $hdr | cut -d " " -f 3- | tr -d \"`

    60

fi

    61

    62

if test -z "$kernelrelease"; then

    63

    echo

    64

    AC_MSG_ERROR([Failed to extract Linux kernel version!])

    65

fi

    66

    67

# Extract three numbers from kernel release string

    68

linuxversion=`echo $kernelrelease | grep -oE "^[[0-9]]+\.[[0-9]]+\.[[0-9]]+"`

    69

    70

AC_SUBST(LINUX_SOURCE_DIR,[$sourcedir])

    71

AC_SUBST(LINUX_KERNEL_RELEASE,[$kernelrelease])

    72

AC_SUBST(LINUX_KERNEL_VERSION,[$linuxversion])

    73

AC_SUBST(LINUX_MOD_PATH,[/lib/modules/$kernelrelease/ethercat])

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AC_MSG_RESULT([$LINUX_SOURCE_DIR (Kernel $LINUX_KERNEL_RELEASE)])

    75

    76

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

    77

# 8139too driver

    78

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

    79

    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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                ;;

    91

        esac

    92

    ],

    93

    [enable8139too=1]

    94

)

    95

    96

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

    97

AC_SUBST(ENABLE_8139TOO,[$enable8139too])

    98

    99

AC_ARG_WITH([8139too-kernel],

   100

    AC_HELP_STRING(

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

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        [8139too kernel (only if differing)]

   103

    ),

   104

    [

   105

        kernel8139too=[$withval]

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    ],

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    [

   108

        kernel8139too=$linuxversion

   109

    ]

   110

)

   111

   112

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

   113

    AC_MSG_CHECKING([for kernel for 8139too driver])

   114

   115

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

   116

    found=0

   117

    for k in $kernels; do

   118

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

   119

            found=1

   120

        fi

   121

    done

   122

    if test $found -ne 1; then

   123

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

   124

    fi

   125

   126

    AC_MSG_RESULT([$kernel8139too])

   127

fi

   128

   129

AC_SUBST(KERNEL_8139TOO,[$kernel8139too])

   130

   131

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

   132

# e100 driver

   133

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

   134

   135

AC_ARG_ENABLE([e100],

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    AS_HELP_STRING([--enable-e100],

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                   [Enable e100 driver]),

   138

    [

   139

        case "${enableval}" in

   140

            yes) enablee100=1

   141

                ;;

   142

            no) enablee100=0

   143

                ;;

   144

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

   145

                ;;

   146

        esac

   147

    ],

   148

    [enablee100=0] # disabled by default

   149

)

   150

   151

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

   152

AC_SUBST(ENABLE_E100,[$enablee100])

   153

   154

AC_ARG_WITH([e100-kernel],

   155

    AC_HELP_STRING(

   156

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

   157

        [e100 kernel (only if differing)]

   158

    ),

   159

    [

   160

        kernele100=[$withval]

   161

    ],

   162

    [

   163

        kernele100=$linuxversion

   164

    ]

   165

)

   166

   167

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

   168

    AC_MSG_CHECKING([for kernel for e100 driver])

   169

   170

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

   171

    found=0

   172

    for k in $kernels; do

   173

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

   174

            found=1

   175

        fi

   176

    done

   177

    if test $found -ne 1; then

   178

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

   179

    fi

   180

   181

    AC_MSG_RESULT([$kernele100])

   182

fi

   183

   184

AC_SUBST(KERNEL_E100,[$kernele100])

   185

   186

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

   187

# e1000 driver

   188

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

   189

   190

AC_ARG_ENABLE([e1000],

   191

    AS_HELP_STRING([--enable-e1000],

   192

                   [Enable e1000 driver]),

   193

    [

   194

        case "${enableval}" in

   195

            yes) enablee1000=1

   196

                ;;

   197

            no) enablee1000=0

   198

                ;;

   199

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

   200

                ;;

   201

        esac

   202

    ],

   203

    [enablee1000=0] # disabled by default

   204

)

   205

   206

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

   207

AC_SUBST(ENABLE_E1000,[$enablee1000])

   208

   209

AC_ARG_WITH([e1000-kernel],

   210

    AC_HELP_STRING(

   211

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

   212

        [e1000 kernel (only if differing)]

   213

    ),

   214

    [

   215

        kernele1000=[$withval]

   216

    ],

   217

    [

   218

        kernele1000=$linuxversion

   219

    ]

   220

)

   221

   222

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

   223

    AC_MSG_CHECKING([for kernel for e1000 driver])

   224

   225

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

   226

    found=0

   227

    for k in $kernels; do

   228

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

   229

            found=1

   230

        fi

   231

    done

   232

    if test $found -ne 1; then

   233

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

   234

    fi

   235

   236

    AC_MSG_RESULT([$kernele1000])

   237

fi

   238

   239

AC_SUBST(KERNEL_E1000,[$kernele1000])

   240

   241

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

   242

# r8169 driver

   243

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

   244

   245

AC_ARG_ENABLE([r8169],

   246

    AS_HELP_STRING([--enable-r8169],

   247

                   [Enable r8169 driver]),

   248

    [

   249

        case "${enableval}" in

   250

            yes) enabler8169=1

   251

                ;;

   252

            no) enabler8169=0

   253

                ;;

   254

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

   255

                ;;

   256

        esac

   257

    ],

   258

    [enabler8169=0] # disabled by default

   259

)

   260

   261

AM_CONDITIONAL(ENABLE_R8169, test "x$enabler8169" = "x1")

   262

AC_SUBST(ENABLE_R8169,[$enabler8169])

   263

   264

AC_ARG_WITH([r8169-kernel],

   265

    AC_HELP_STRING(

   266

        [--with-r8169-kernel=<X.Y.Z>],

   267

        [r8169 kernel (only if differing)]

   268

    ),

   269

    [

   270

        kernelr8169=[$withval]

   271

    ],

   272

    [

   273

        kernelr8169=$linuxversion

   274

    ]

   275

)

   276

   277

if test "x${enabler8169}" = "x1"; then

   278

    AC_MSG_CHECKING([for kernel for r8169 driver])

   279

   280

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

   281

    found=0

   282

    for k in $kernels; do

   283

        if test "$kernelr8169" = "$k"; then

   284

            found=1

   285

        fi

   286

    done

   287

    if test $found -ne 1; then

   288

        AC_MSG_ERROR([kernel $kernelr8169 not available for r8169 driver!])

   289

    fi

   290

   291

    AC_MSG_RESULT([$kernelr8169])

   292

fi

   293

   294

AC_SUBST(KERNEL_R8169,[$kernelr8169])

   295

   296

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

   297

# RTAI path (optional)

   298

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

   299

   300

AC_ARG_WITH([rtai-dir],

   301

    AC_HELP_STRING(

   302

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

   303

        [RTAI path (only for RTAI examples)]

   304

    ),

   305

    [

   306

        rtaidir=[$withval]

   307

    ],

   308

    [

   309

        rtaidir=""

   310

    ]

   311

)

   312

   313

AC_MSG_CHECKING([for RTAI path])

   314

   315

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

   316

    AC_MSG_RESULT([not specified.])

   317

else

   318

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

   319

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

   320

    fi

   321

    AC_MSG_RESULT([$rtaidir])

   322

fi

   323

   324

AC_SUBST(RTAI_DIR,[$rtaidir])

   325

   326

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

   327

# Debug interface

   328

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

   329

   330

AC_ARG_ENABLE([debug-if],

   331

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

   332

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

   333

    [

   334

        case "${enableval}" in

   335

            yes) dbg=1

   336

                ;;

   337

            no) dbg=0

   338

                ;;

   339

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

   340

                ;;

   341

        esac

   342

    ],

   343

    [dbg=0]

   344

)

   345

   346

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

   347

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

   348

fi

   349

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

   350

AC_SUBST(ENABLE_DEBUG_IF,[$dbg])

   351

   352

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

   353

# Debug ring

   354

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

   355

   356

AC_ARG_ENABLE([debug-ring],

   357

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

   358

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

   359

    [

   360

        case "${enableval}" in

   361

            yes) debugring=1

   362

                ;;

   363

            no) debugring=0

   364

                ;;

   365

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

   366

                ;;

   367

        esac

   368

    ],

   369

    [debugring=0]

   370

)

   371

   372

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

   373

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

   374

fi

   375

   376

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

   377

# Ethernet-over-EtherCAT support

   378

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

   379

   380

AC_ARG_ENABLE([eoe],

   381

    AS_HELP_STRING([--enable-eoe],

   382

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

   383

    [

   384

        case "${enableval}" in

   385

            yes) eoe=1

   386

                ;;

   387

            no) eoe=0

   388

                ;;

   389

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

   390

                ;;

   391

        esac

   392

    ],

   393

    [eoe=1]

   394

)

   395

   396

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

   397

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

   398

fi

   399

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

   400

AC_SUBST(ENABLE_EOE,[$eoe])

   401

   402

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

   403

# CPU timestamp counter support

   404

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

   405

   406

AC_ARG_ENABLE([cycles],

   407

    AS_HELP_STRING([--enable-cycles],

   408

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

   409

    [

   410

        case "${enableval}" in

   411

            yes) cycles=1

   412

                ;;

   413

            no) cycles=0

   414

                ;;

   415

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

   416

                ;;

   417

        esac

   418

    ],

   419

    [cycles=0]

   420

)

   421

   422

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

   423

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

   424

fi

   425

   426

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

   427

   428

AC_CONFIG_FILES([

   429

        Doxyfile

   430

        Kbuild

   431

        Makefile

   432

        devices/Kbuild

   433

        devices/Makefile

   434

        devices/e1000/Kbuild

   435

        devices/e1000/Makefile

   436

        examples/Makefile

   437

        examples/mini/Kbuild

   438

        examples/mini/Makefile

   439

        examples/rtai/Kbuild

   440

        examples/rtai/Makefile

   441

        include/Makefile

   442

        master/Kbuild

   443

        master/Makefile

   444

        script/Makefile

   445

        script/init.d/Makefile

   446

        script/init.d/ethercat

   447

        script/sysconfig/Makefile

   448

        tool/Makefile

   449

])

   450

AC_OUTPUT

   451

   452

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