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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

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

    62

#                             DEFAULT BUILD OPTIONS                       #

    63

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

    64

    65

# Leave empty for automatic detection

    66

CC=

    67

CXX=g++

    68

LD=ld

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    70

#default target

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SUB_TARGET=

    72

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

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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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	--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;;

   116

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

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

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

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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"

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

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

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		echo

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		echo	"Stack compilation constants"

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

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

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

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

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

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

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		exit 0;;

   159

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

   160

	esac

   161

   162

	shift

   163

done

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

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#                              GUESS OS/ARCH                              #

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

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

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

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

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fi

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

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

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

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	else

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

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	fi

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fi

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# x86

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	SUB_ARCH_NAME=x86

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fi

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   187

# x86_64

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

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	SUB_ARCH_NAME=x86_64

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fi

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# ppc

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

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	SUB_ARCH_NAME=ppc

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fi

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# ppc64

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

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	SUB_ARCH_NAME=ppc64

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fi

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   202

# arm

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

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	SUB_ARCH_NAME=arm

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fi

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   207

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

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

   209

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

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	exit -1

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fi

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

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	# Only if we are on x86_64 and using gcc

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	# For shared library generation, it needs this

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	SUB_PROG_CFLAGS=-fPIC

   220

fi

   221

   222

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

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	# PowerPC uses big endian format

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	CANOPEN_BIG_ENDIAN=1

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fi

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

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#                      DEFAULT TARGET/DRIVERS GUESSING                    #

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

   230

# If target not specified, try to gess one

   231

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

   232

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

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		echo "Choosing unix (cygwin) target"

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		SUB_TARGET=unix

   235

	fi

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

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		echo "Choosing unix target"

   238

		SUB_TARGET=unix

   239

	fi

   240

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

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		echo "Choosing windows target"

   242

		SUB_TARGET=win32

   243

	fi

   244

fi

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   246

# Try to gess can

   247

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

   248

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

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

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			echo "Choosing installed Peak driver as CAN driver."

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			SUB_CAN_DRIVER=peak_linux

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

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			echo "Choosing installed Peak driver as CAN driver."

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			SUB_CAN_DRIVER=peak_win32		

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		else

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			echo "Choosing virtual CAN driver."

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			SUB_CAN_DRIVER=virtual

   258

		fi

   259

	fi

   260

fi

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   262

# If target is unix, default timers also

   263

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

   264

	echo "Choosing unix timers driver."

   265

	SUB_TIMERS_DRIVER=unix

   266

fi

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# If target is windows, default timers also

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

   270

	echo "Choosing windows timers driver."

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	SUB_TIMERS_DRIVER=win32

   272

fi

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# Warn for unstalled peak driver if choosen

   275

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

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

   277

		echo "Peak driver hasn't been installed !"

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		exit -1

   279

	fi

   280

fi

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   282

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

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#              TARGET/DRIVER SPECIFIC CFLAGS and OPTIONS                  #

   284

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

   285

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

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	# Only if we want to compile for a µC HCS12

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       # it is a big endian architecture.

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       CANOPEN_BIG_ENDIAN=1

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

   290

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

   291

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

   292

		if (( $? )); then 

   293

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

   294

			if (( $? )); then 

   295

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

   296

				exit 0

   297

			else

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				CC=m68hc12-gcc 

   299

			fi

   300

		else

   301

			CC=m6811-elf-gcc

   302

			SUB_PROG_CFLAGS=-m68hc12

   303

		fi

   304

	fi

   305

fi	

   306

   307

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

   308

		LD=g++

   309

		SUB_PROG_CFLAGS="-mno-cygwin"

   310

fi	

   311

   312

#### CAN_DRIVER ####

   313

   314

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

   315

    SUB_CAN_DLL_CFLAGS=$SUB_CAN_DLL_CFLAGS\ -lpcan

   316

fi

   317

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PW32DIR=drivers/can_peak_win32

   319

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

   320

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

   321

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

   322

	fi

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

   324

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

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

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	echo >> $PW32DIR/cancfg.h

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	# second port handling

   328

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

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		echo "Stripping down second Pcan Light header "

   330

		echo >> $PW32DIR/cancfg.h

   331

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

   332

		echo >> $PW32DIR/cancfg.h

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

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

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	   	SUB_CAN_DLL_CFLAGS=$SUB_CAN_DLL_CFLAGS\ \'$PCAN2_LIB\'

   336

	fi

   337

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

   338

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

   339

		echo "	PCANHwType PCANIO_Port PCANInterupt"

   340

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

   341

	fi

   342

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

   343

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

   344

		echo "CAN_* calls redefined to CAN2_* "

   345

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

   346

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

   347

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

   348

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

   349

	fi

   350

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

   351

fi

   352

   353

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

   354

	SUB_CAN_DRIVER=

   355

fi

   356

   357

#### TIMERS_DRIVER ####

   358

   359

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

   360

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

   361

	   SUB_EXE_CFLAGS=$SUB_EXE_CFLAGS\ -lpthread\ -lrt

   362

	fi

   363

fi

   364

   365

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

   367

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

   368

	RTCAN_SOCKET=1

   369

fi

   370

   371

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

   372

	SUB_TIMERS_DRIVER=

   373

fi

   374

   375

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

   376

#                              GUESS COMPILER                             #

   377

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

   378

# If CC is empty, the user wanted automatic detection

   379

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

   380

	# Check for second compiler, CC2

   381

	cat > $test.c <<EOF

   382

	int main() { return 0; }

   383

EOF

   384

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

   385

		DETECTCC=$CC2

   386

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

   387

	else

   388

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

   389

	fi

   390

	rm -f $test.c $test.o

   391

   392

	# Check for first compiler, CC1

   393

	cat > $test.c <<EOF

   394

	int main() { return 0; }

   395

EOF

   396

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

   397

		DETECTCC=$CC1

   398

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

   399

	else

   400

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

   401

	fi

   402

	rm -f $test.c $test.o

   403

	CC=$DETECTCC

   404

fi

   405

# Check if we decided on a compiler after all

   406

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

   407

	echo "Error: Could not find a C compiler"

   408

	echo "Please supply the wanted compiler"

   409

	exit -1

   410

fi

   411

   412

echo "Using ${CC}"

   413

   414

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

   415

#                              GUESS PREFIX's                             #

   416

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

   417

   418

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

   419

   420

# Guess prefix as regard cross compiling target machine

   421

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

   422

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

   423

	if (( $? )); then 

   424

		SUB_PREFIX=/usr/local

   425

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

   426

	else

   427

		SUB_PREFIX=/usr/`$CC -dumpmachine`

   428

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

   429

	fi

   430

fi

   431

   432

echo "Using prefix: ${SUB_PREFIX}"

   433

   434

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

   435

#                   CANFESTIVAL DEFINES --> config.h                      #

   436

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

   437

# Some CONSTANTS preparation

   438

   439

# Create include/config.h with the relevant contents

   440

rm -f include/config.h

   441

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

   442

echo "" >>  include/config.h

   443

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

   444

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

   445

echo "" >> include/config.h

   446

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

   447

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

   448

echo "" >> include/config.h

   449

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

   450

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

   451

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

   452

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

   453

echo "" >> include/config.h

   454

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

   455

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

   456

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

   457

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

   458

echo "" >> include/config.h

   459

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

   460

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

   461

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

   462

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

   463

echo "" >> include/config.h

   464

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

   465

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

   466

echo "" >> include/config.h

   467

for i in \

   468

 MAX_CAN_BUS_ID\

   469

 SDO_MAX_LENGTH_TRANSFERT\

   470

 SDO_MAX_SIMULTANEOUS_TRANSFERTS\

   471

 NMT_MAX_NODE_ID\

   472

 SDO_TIMEOUT_MS\

   473

 MAX_NB_TIMER\

   474

 CANOPEN_BIG_ENDIAN\

   475

 US_TO_TIMEVAL_FACTOR\

   476

 TIMEVAL\

   477

 TIMEVAL_MAX\

   478

 RTCAN_SOCKET\

   479

 EMCY_MAX_ERRORS; do

   480

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

   481

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

   482

else

   483

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

   484

fi

   485

done	

   486

echo "" >> include/config.h

   487

   488

for i in \

   489

 SDO_MAX_SIMULTANEOUS_TRANSFERTS\

   490

 NMT_MAX_NODE_ID\

   491

 EMCY_MAX_ERRORS; do

   492

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

   493

	times=${!i}

   494

	result=""

   495

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

   496

		result="$result repeat"

   497

	done

   498

	echo $result >> include/config.h

   499

done

   500

   501

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

   502

   503

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

   504

#                           DEBUG DEFINES/CFLAGS                          #

   505

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

   506

   507

save_ifs="$IFS"; IFS=','

   508

   509

for DEBUG_METHOD in $DEBUG; 

   510