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#!/bin/bash

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     3

#

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# Copyright (C) 2004 Edouard TISSERRANT, Laurent BESSARD

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# Based on Gabriel Gerhardsson's cacheprobe configure script. 

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# 

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# This file is part of CanFestival, a library implementing CanOpen Stack. 

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# 

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# This library is free software; you can redistribute it and/or

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# modify it under the terms of the GNU Lesser General Public

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# License as published by the Free Software Foundation; either

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# version 2.1 of the License, or (at your option) any later version.

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# 

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# This library is distributed in the hope that it will be useful,

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# but WITHOUT ANY WARRANTY; without even the implied warranty of

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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU

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# Lesser General Public License for more details.

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# 

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# You should have received a copy of the GNU Lesser General Public

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# License along with this library; if not, write to the Free Software

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# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA

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# 

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###########################################################################

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#                       DEFAULT CANFESTIVAL DEFINES                       #

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###########################################################################

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# Number of can bus to use 

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MAX_CAN_BUS_ID=1

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# max bytes to transmit by SDO Put 4 if you only support expedited transfert.

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# For a normal transfert, (usually for a string), put the maximum string size to transfer.

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SDO_MAX_LENGTH_TRANSFERT=32

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# Number of SDO from differents nodes that the node can manage concurrently.   

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# for a slave node, usually put 1.

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SDO_MAX_SIMULTANEOUS_TRANSFERTS=4

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# Used for NMTable[bus][nodeId]	  

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# You can put less of 128 if on the netwo

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# are connected only smaller nodeId node.

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NMT_MAX_NODE_ID=128

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#Timeout in milliseconds for SDO.

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#    Comment the #define if not used (infinite wait for SDO response message)

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SDO_TIMEOUT_MS=3000

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MAX_NB_TIMER=32

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# Generic timers declaration defaults

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US_TO_TIMEVAL_FACTOR=

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TIMEVAL=

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TIMEVAL_MAX=

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# Default to little-endian

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CANOPEN_BIG_ENDIAN=

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# Max number of active errors managed in error_data structure.

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EMCY_MAX_ERRORS=8

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    61

###########################################################################

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#                             DEFAULT BUILD OPTIONS                       #

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###########################################################################

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    65

# Leave empty for automatic detection

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CC=

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CXX=g++

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LD=ld

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    70

#default target

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SUB_TARGET=

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# First compiler option - we will check if it exists

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CC1=gcc

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# Second compiler option - we will check if it exists

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CC2=cc

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# Install prefix

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SUB_PREFIX=

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# Used for C compiler test/detection 

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CFLAGS=

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test=conftest

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rm -f $test $test.c

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    86

if [ "$XENO_CONFIG" = "" ]; then

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	XENO_CONFIG=/usr/xenomai/bin/xeno-config

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fi

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    90

###########################################################################

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#                          ARGUMENTS PARSING                              #

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###########################################################################

    93

while [ $# -ge 1 ]; do

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	optarg=`expr "x$1" : 'x[^=]*=\(.*\)'`

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	case $1 in

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	--cc=*)		CC=$optarg;;

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	--cxx=*)	CXX=$optarg;;

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	--ld=*)		LD=$optarg;;

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	--arch=*)	SUB_ARCH_NAME=$optarg;;

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	--os=*)		SUB_OS_NAME=$optarg;;

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	--prefix=*)	SUB_PREFIX=$optarg;;

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	--target=*)	SUB_TARGET=$optarg;;

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	--can=*)	SUB_CAN_DRIVER=$optarg;;

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	--timers=*)	SUB_TIMERS_DRIVER=$optarg;;

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	--disable-Ox)	DISABLE_OPT=1;

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			echo "On user request: Won't optimize with \"-Ox\"";;

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	--disable-dll)	DISABLE_DLL=1;

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			echo "On user request: Won't create and link to dll";;

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	--debug=*)	DEBUG=$optarg;;

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	--MAX_CAN_BUS_ID=*)	MAX_CAN_BUS_ID=$1;;

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	--SDO_MAX_LENGTH_TRANSFERT=*)	SDO_MAX_LENGTH_TRANSFERT=$1;;

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	--SDO_MAX_SIMULTANEOUS_TRANSFERTS=*)	SDO_MAX_SIMULTANEOUS_TRANSFERTS=$1;;

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	--NMT_MAX_NODE_ID=*)	NMT_MAX_NODE_ID=$1;;

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	--SDO_TIMEOUT_MS=*)	SDO_TIMEOUT_MS=$1;;

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	--CANOPEN_BIG_ENDIAN=*)	CANOPEN_BIG_ENDIAN=$1;;

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	--MAX_NB_TIMER=*) MAX_NB_TIMER=$1;;

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	--EMCY_MAX_ERRORS=*) EMCY_MAX_ERRORS=$1;;

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	--help)

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		echo	"Usage: ./configure [options]"

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		echo	"Options:"

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		echo 	" --cc=foo      Use C compiler 'foo' instead of defaults ${CC1} or ${CC2}."

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		echo 	" --cxx=foo     Use C++ compiler 'foo' instead of defaults g++."

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		echo 	" --ld=foo      Use linker 'foo' instead of ld."

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		echo 	" --arch=foo    Use architecture 'foo' instead of trying to autodetect."

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		echo 	" --os=foo      Use operative system 'foo' instead of trying to autodetect."

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		echo 	" --prefix=foo  Use prefix 'foo' instead of default ${SUB_PREFIX}."

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		echo 	" --target=foo  Use 'foo' as build target."

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		echo	"               \"unix\" for unix-like systems (Linux, Cygwin)"

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		echo	"               \"win32\" for win32 systems (native, mingw or VC++)"

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		echo	"               \"hcs12\" for HCS12 micro-controller"

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		echo 	" --can=foo	Use 'foo' as CAN driver"

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		echo	"               \"peak_linux\" use Linux build host installed Peak driver and library"

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		echo	"                 see http://www.peak-system.com/linux/"

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		echo	"               \"peak_win32\" use win32 PcanLight Peak driver and library with Cygwin" 

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		echo	"                 see http://www.peak-system.com/themen/download_gb.html"

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		echo	"               \"virtual\" use unix pipe based virtual can driver"

   140

		echo	"               \"socket\" use socket-can  "

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		echo	"                 see http://developer.berlios.de/projects/socketcan/"

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		echo	"               \"lincan\" lincan driver"

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		echo	"                 see http://www.ocera.org/download/components/WP7/lincan-0.3.3.html"

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		echo 	" --timers=foo  Use 'foo' as TIMERS driver (can be either 'unix' or 'xeno')"

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		echo 	" --disable-dll Disable run-time dynamic linking of can, led and nvram drivers"

   147

		echo	" --disable-Ox  Disable gcc \"-Ox\" optimizations."

   148

		echo	" --debug=foo,foo,..   Enable debug messages, ERR -> only errors, WAR)."

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		echo	"               \"PDO\" send errors and warnings through PDO messages"

   150

		echo	"               \"ERR\" print errors only, to stdout"

   151

		echo	"               \"WAR\" print errors and warnings, to stdout"

   152

		echo	"               \"MSG\" print messages content, to stdout"

   153

		echo

   154

		echo	"Stack compilation constants"

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		echo	" --MAX_CAN_BUS_ID [=1] Number of can bus to use"

   156

		echo	" --SDO_MAX_LENGTH_TRANSFERT [=32] max bytes to transmit by SDO"

   157

		echo	" --SDO_MAX_SIMULTANEOUS_TRANSFERTS [=4] Number of SDO that the node can manage concurrently"

   158

		echo	" --NMT_MAX_NODE_ID [=128] can be reduced to gain memory on small network"

   159

		echo	" --SDO_TIMEOUT_MS [=3000] Timeout in milliseconds for SDO (None to disable the feature)"

   160

		echo	" --EMCY_MAX_ERRORS [=8] Max number of active errors managed in error_data structure"

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		exit 0;;

   162

	*)		echo "Unknown argument ${1}"; exit -1;;

   163

	esac

   164

   165

	shift

   166

done

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   168

###########################################################################

   169

#                              GUESS OS/ARCH                              #

   170

###########################################################################

   171

   172

if [ "$SUB_OS_NAME" = "" ]; then

   173

	SUB_OS_NAME="`(uname -s | sed \"s/\//-/\" | sed \"s/_/-/\" \

   174

			| sed \"s/-.*//g\") 2>&1`"

   175

fi

   176

   177

if [ "$SUB_ARCH_NAME" = "" ]; then

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	if [ "$CC" = "" ]; then

   179

		A_NAME="`(uname -m) 2>&1`"

   180

	else

   181

		A_NAME="`$CC -dumpmachine | sed 's:-.*::'`"

   182

	fi

   183

fi

   184

   185

# x86

   186

if [ "$A_NAME" = "i386" -o "$A_NAME" = "i486" -o "$A_NAME" = "i586" -o "$A_NAME" = "i686" -o "$A_NAME" = "x86" ]; then

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	SUB_ARCH_NAME=x86

   188

fi

   189

   190

# x86_64

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if [ "$A_NAME" = "x86_64" ]; then

   192

	SUB_ARCH_NAME=x86_64

   193

fi

   194

   195

# ppc

   196

if [ "$A_NAME" = "powerpc" ]; then

   197

	SUB_ARCH_NAME=ppc

   198

fi

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   200

# ppc64

   201

if [ "$A_NAME" = "powerpc64" ]; then

   202

	SUB_ARCH_NAME=ppc64

   203

fi

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   205

# arm

   206

if [ "$A_NAME" = "arm" ]; then

   207

	SUB_ARCH_NAME=arm

   208

fi

   209

   210

if [ "$SUB_ARCH_NAME" = "" ]; then

   211

	echo "Error: could not detect what architecture this system is running!"

   212

	echo "Please supply manually instead with \"--arch=foo\""

   213

	exit -1

   214

fi

   215

   216

echo "Using OS: ${SUB_OS_NAME}"

   217

echo "Using architecture: ${SUB_ARCH_NAME}"

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   219

if [ "$SUB_ARCH_NAME" = "x86_64" -a "$CC" = "gcc" ]; then

   220

	# Only if we are on x86_64 and using gcc

   221

	# For shared library generation, it needs this

   222

	SUB_PROG_CFLAGS=-fPIC

   223

fi

   224

   225

if [ "$SUB_ARCH_NAME" = "ppc" -o "$SUB_ARCH_NAME" = "powerpc" ]; then

   226

	# PowerPC uses big endian format

   227

	CANOPEN_BIG_ENDIAN=1

   228

fi

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   230

###########################################################################

   231

#                      DEFAULT TARGET/DRIVERS GUESSING                    #

   232

###########################################################################

   233

# If target not specified, try to gess one

   234

if [ "$SUB_TARGET" = "" ]; then

   235

	if [ "$SUB_OS_NAME" = "CYGWIN" ]; then

   236

		echo "Choosing unix (cygwin) target"

   237

		SUB_TARGET=unix

   238

	fi

   239

	if [ "$SUB_OS_NAME" = "Linux" ]; then

   240

		echo "Choosing unix target"

   241

		SUB_TARGET=unix

   242

	fi

   243

	if [ "$SUB_OS_NAME" = "MINGW32" ]; then

   244

		echo "Choosing windows target"

   245

		SUB_TARGET=win32

   246

	fi

   247

fi

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   249

# Try to gess can

   250

if [ "$SUB_CAN_DRIVER" = "" ]; then

   251

	if [ "$SUB_TARGET" = "unix" ]; then

   252

		if [ -e /usr/lib/libpcan.so ]; then 

   253

			echo "Choosing installed Peak driver as CAN driver."

   254

			SUB_CAN_DRIVER=peak_linux

   255

		elif [ "$SUB_OS_NAME" = "CYGWIN" -a "PCAN_LIB" != "" ]; then

   256

			echo "Choosing installed Peak driver as CAN driver."

   257

			SUB_CAN_DRIVER=peak_win32		

   258

		else

   259

			echo "Choosing virtual CAN driver."

   260

			SUB_CAN_DRIVER=virtual

   261

		fi

   262

	fi

   263

fi

   264

   265

# If target is unix, default timers also

   266

if [ "$SUB_TARGET" = "unix" -a "$SUB_TIMERS_DRIVER" = "" ]; then

   267

	echo "Choosing unix timers driver."

   268

	SUB_TIMERS_DRIVER=unix

   269

fi

   270

   271

# If target is windows, default timers also

   272

if [ "$SUB_TARGET" = "win32" -a "$SUB_TIMERS_DRIVER" = "" ]; then

   273

	echo "Choosing windows timers driver."

   274

	SUB_TIMERS_DRIVER=win32

   275

fi

   276

   277

# Warn for unstalled peak driver if choosen

   278

if [ "$SUB_CAN_DRIVER" = "peak" ]; then

   279

	if [ ! -e /usr/lib/libpcan.so ]; then 

   280

		echo "Peak driver hasn't been installed !"

   281

		exit -1

   282

	fi

   283

fi

   284

   285

###########################################################################

   286

#              TARGET/DRIVER SPECIFIC CFLAGS and OPTIONS                  #

   287

###########################################################################

   288

if [ "$SUB_TARGET" = "hcs12" ]; then

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	# Only if we want to compile for a µC HCS12

   290

       # it is a big endian architecture.

   291

       CANOPEN_BIG_ENDIAN=1

   292

	# search for gcc hcs12 compiler m6811-elf-gcc or m68hc12-gcc ?

   293

	if [ "$CC" = "" ]; then

   294

		which m6811-elf-gcc >/dev/null 2>&1

   295

		if (( $? )); then 

   296

			which m68hc12-gcc >/dev/null 2>&1

   297

			if (( $? )); then 

   298

				echo "Please use --cc flag to specify compiler"

   299

				exit 0

   300

			else

   301

				CC=m68hc12-gcc 

   302

			fi

   303

		else

   304

			CC=m6811-elf-gcc

   305

			SUB_PROG_CFLAGS=-m68hc12

   306

		fi

   307

	fi

   308

fi	

   309

   310

if [ "$SUB_TARGET" = "win32" ]; then

   311

		LD=g++

   312

		SUB_PROG_CFLAGS="-mno-cygwin"

   313

fi	

   314

   315

if [ "$SUB_TARGET" = "unix" ]; then

   316

		LD=gcc

   317

fi

   318

   319

#### CAN_DRIVER ####

   320

   321

if [ "$SUB_CAN_DRIVER" = "peak_linux" ]; then

   322

    SUB_CAN_DLL_CFLAGS=$SUB_CAN_DLL_CFLAGS\ -lpcan

   323

fi

   324

   325

PW32DIR=drivers/can_peak_win32

   326

if [ "$SUB_CAN_DRIVER" = "peak_win32" ]; then

   327

	if [ "$PCAN_HEADER" = "" -o "PCAN_LIB" = "" ]; then

   328

		echo "!!! ERROR !!! Please set PCAN_LIB PCAN_HEADER [PCAN_INCLUDE] to appropriate paths ! "

   329

	fi

   330

   	SUB_CAN_DLL_CFLAGS=$SUB_CAN_DLL_CFLAGS\ -liberty\ \'$PCAN_LIB\'

   331

	echo "Converting PcanLib header files for gcc -> $PW32DIR/cancfg.h"

   332

	cat $PW32DIR/cancfg.h.head $PCAN_INCLUDE/$PCAN_HEADER > $PW32DIR/cancfg.h

   333

	echo >> $PW32DIR/cancfg.h

   334

	# second port handling

   335

	if [ "$PCAN2_HEADER" != "" ]; then

   336

		echo "Stripping down second Pcan Light header "

   337

		echo >> $PW32DIR/cancfg.h

   338

		echo "// Stripped PcanLight header to prevent typedef conflicts ">> $PW32DIR/cancfg.h

   339

		echo >> $PW32DIR/cancfg.h

   340

		grep __stdcall $PCAN_INCLUDE/$PCAN2_HEADER >> $PW32DIR/cancfg.h

   341

		echo '#define PCAN2_HEADER_' >> $PW32DIR/cancfg.h

   342

	   	SUB_CAN_DLL_CFLAGS=$SUB_CAN_DLL_CFLAGS\ \'$PCAN2_LIB\'

   343

	fi

   344

	if grep -q CANHwType $PW32DIR/cancfg.h ; then

   345

		echo "Peak Init HwType, IO_Port and IRQ will be passed in environment :"

   346

		echo "	PCANHwType PCANIO_Port PCANInterupt"

   347

		echo '#define extra_PCAN_init_params' >> $PW32DIR/cancfg.h

   348

	fi

   349

	if ! grep -q CAN_Init $PW32DIR/cancfg.h ; then

   350

		echo "Pcan Light header/lib is for second port of device only"

   351

		echo "CAN_* calls redefined to CAN2_* "

   352

		echo '#define CAN_Init CAN2_Init' >> $PW32DIR/cancfg.h

   353

		echo '#define CAN_Read CAN2_Read' >> $PW32DIR/cancfg.h

   354

		echo '#define CAN_Write CAN2_Write' >> $PW32DIR/cancfg.h

   355

		echo '#define CAN_Close CAN2_Close' >> $PW32DIR/cancfg.h

   356

	fi

   357

	cat $PW32DIR/cancfg.h.tail >> $PW32DIR/cancfg.h

   358

fi

   359

   360

if [ "$SUB_CAN_DRIVER" = "none" ]; then

   361

	SUB_CAN_DRIVER=

   362

fi

   363

   364

#### TIMERS_DRIVER ####

   365

   366

if [ "$SUB_TIMERS_DRIVER" = "unix" ]; then

   367

	if [ "$SUB_OS_NAME" != "CYGWIN" ]; then

   368

	   SUB_EXE_CFLAGS=$SUB_EXE_CFLAGS\ -lpthread\ -lrt

   369

	fi

   370

fi

   371

   372

if [ "$SUB_TIMERS_DRIVER" = "xeno" ]; then

   373

	SUB_EXE_CFLAGS=$SUB_EXE_CFLAGS\ -lnative\ -lrtdm\ -L`$XENO_CONFIG --library-dir`

   374

	SUB_PROG_CFLAGS=$SUB_PROG_CFLAGS\ `$XENO_CONFIG --xeno-cflags`

   375

	RTCAN_SOCKET=1

   376

fi

   377

   378

if [ "$SUB_TIMERS_DRIVER" = "none" ]; then

   379

	SUB_TIMERS_DRIVER=

   380

fi

   381

   382

###########################################################################

   383

#                              GUESS COMPILER                             #

   384

###########################################################################

   385

# If CC is empty, the user wanted automatic detection

   386

if [ "$CC" = "" ]; then

   387

	# Check for second compiler, CC2

   388

	cat > $test.c <<EOF

   389

	int main() { return 0; }

   390

EOF

   391

	if test "`($CC2 -c $CFLAGS $test.c) 2>&1`" = ""; then

   392

		DETECTCC=$CC2

   393

		echo "Checking for ${CC2}... Yes."

   394

	else

   395

		echo "Checking for ${CC2}... No."

   396

	fi

   397

	rm -f $test.c $test.o

   398

   399

	# Check for first compiler, CC1

   400

	cat > $test.c <<EOF

   401

	int main() { return 0; }

   402

EOF

   403

	if test "`($CC1 -c $CFLAGS $test.c) 2>&1`" = ""; then

   404

		DETECTCC=$CC1

   405

		echo "Checking for ${CC1}... Yes."

   406

	else

   407

		echo "Checking for ${CC1}... No."

   408

	fi

   409

	rm -f $test.c $test.o

   410

	CC=$DETECTCC

   411

fi

   412

# Check if we decided on a compiler after all

   413

if [ "$CC" = "" ]; then

   414

	echo "Error: Could not find a C compiler"

   415

	echo "Please supply the wanted compiler"

   416

	exit -1

   417

fi

   418

   419

echo "Using ${CC}"

   420

   421

###########################################################################

   422

#                              GUESS PREFIX's                             #

   423

###########################################################################

   424

   425

SUB_BINUTILS_PREFIX=`echo "$CC" | sed 's/gcc$//'`

   426

   427

# Guess prefix as regard cross compiling target machine

   428

if [ "$SUB_PREFIX" = "" ]; then

   429

	$CC -dumpspecs |grep -A 1 'cross_compile'|grep -q 1

   430

	if (( $? )); then 

   431

		SUB_PREFIX=/usr/local

   432

		echo "Not cross-compiling. Will install in $SUB_PREFIX";

   433

	else

   434

		SUB_PREFIX=/usr/`$CC -dumpmachine`

   435

		echo "This is a cross-compiler. Will install in $SUB_PREFIX";			

   436

	fi

   437

fi

   438

   439

echo "Using prefix: ${SUB_PREFIX}"

   440

   441

###########################################################################

   442

#                   CANFESTIVAL DEFINES --> config.h                      #

   443

###########################################################################

   444

# Some CONSTANTS preparation

   445

   446

# Create include/config.h with the relevant contents

   447

rm -f include/config.h

   448

echo "/* !!!!!!!!!! FILE GENERATED by configure. DO NOT EDIT !!!!!!!!!!*/" >>  include/config.h

   449

echo "" >>  include/config.h

   450

echo "/*"\ >>  include/config.h

   451

echo "This file is part of CanFestival, a library implementing CanOpen Stack." >> include/config.h

   452

echo "" >> include/config.h

   453

echo "Copyright (C): Edouard TISSERANT and Francis DUPIN" >> include/config.h

   454

echo "See COPYING file for copyrights details." >> include/config.h

   455

echo "" >> include/config.h

   456

echo "This library is free software; you can redistribute it and/or" >> include/config.h

   457

echo "modify it under the terms of the GNU Lesser General Public" >> include/config.h

   458

echo "License as published by the Free Software Foundation; either" >> include/config.h

   459

echo "version 2.1 of the License, or (at your option) any later version." >> include/config.h

   460

echo "" >> include/config.h

   461

echo "This library is distributed in the hope that it will be useful," >> include/config.h

   462

echo "but WITHOUT ANY WARRANTY; without even the implied warranty of" >> include/config.h

   463

echo "MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU" >> include/config.h

   464

echo "Lesser General Public License for more details." >> include/config.h

   465

echo "" >> include/config.h

   466

echo "You should have received a copy of the GNU Lesser General Public" >> include/config.h

   467

echo "License along with this library; if not, write to the Free Software" >> include/config.h

   468

echo "Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA" >> include/config.h

   469

echo "*/" >> include/config.h

   470

echo "" >> include/config.h

   471

echo "#ifndef _CONFIG_H_" >> include/config.h

   472

echo "#define _CONFIG_H_" >> include/config.h

   473

echo "" >> include/config.h

   474

for i in \

   475

 MAX_CAN_BUS_ID\

   476

 SDO_MAX_LENGTH_TRANSFERT\

   477

 SDO_MAX_SIMULTANEOUS_TRANSFERTS\

   478

 NMT_MAX_NODE_ID\

   479

 SDO_TIMEOUT_MS\

   480

 MAX_NB_TIMER\

   481

 CANOPEN_BIG_ENDIAN\

   482

 US_TO_TIMEVAL_FACTOR\

   483

 TIMEVAL\

   484

 TIMEVAL_MAX\

   485

 RTCAN_SOCKET\

   486

 EMCY_MAX_ERRORS; do

   487

if [ "${!i}" = "" ]; then

   488

echo "/* $i is not defined */" >> include/config.h

   489

else

   490

echo "#define $i ${!i}" >> include/config.h

   491

fi

   492

done	

   493

echo "" >> include/config.h

   494

   495

for i in \

   496

 SDO_MAX_SIMULTANEOUS_TRANSFERTS\

   497

 NMT_MAX_NODE_ID\

   498

 EMCY_MAX_ERRORS; do

   499

	echo "#define REPEAT_"$i"_TIMES(repeat)\\">> include/config.h

   500

	times=${!i}

   501

	result=""

   502

	for (( j=0; j<times; j++ ));do

   503

		result="$result repeat"

   504

	done

   505

	echo $result >> include/config.h

   506

done

   507

   508

echo "#endif /* _CONFIG_H_ */" >> include/config.h

   509