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#!/bin/bash

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#

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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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# Default to little-endian

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CANOPEN_LITTLE_ENDIAN=1

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CANOPEN_BIG_ENDIAN=

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

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#                             DEFAULT BUILD OPTIONS                       #

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

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# Leave empty for automatic detection

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CC=

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#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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SUB_TIMERS_ENABLE=YES

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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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# Jaxe install is now disbaled by default

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DISABLE_JAXE=1

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

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

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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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	--enable-jaxe)	DISABLE_JAXE=0;

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			echo "On user request: Will not install jaxe";;

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	--debug)	DEBUG=1;

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			echo "Debug messages enabled !!";;

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	--debugPDO)	DEBUG=PDO;

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			echo "Debug messages (PDO) enabled !!";;

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	--enable-lss)	SUB_LSS_ENABLE=YES;

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			echo "On user request: Will enable Auto Baudrate detect Feature";;

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	--desable-timers)	SUB_TIMERS_ENABLE=NO;

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			echo "On user request: Will enable built-in timer dispatch Feature";;

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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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	--help)	echo	"Usage: ./configure [options]"

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    		echo	"Options:"

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

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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	"		Where 'foo' can be \"generic\" to have independant CAN and TIMERS driver"

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		echo	"		or"

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

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		echo	"		\"ecos_lpc2138_sja1000\" for eCOS + Philips ARM LPC21381 + Philips SJA1000" 

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		echo 	" --can=foo	Use 'foo' as CAN driver (can be either 'peak' or 'virtual')"

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

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

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		echo	" --enable-jaxe	Enable \"jaxe\" installation."

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		echo	" --debug	Enable debug messages."

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		echo	" --debugPDO	Enable debug messages, using PDO."

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		echo	" --enable-lss	Enable Auto Baudrate detect Feature"

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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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		exit 0;;

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

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	esac

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   150

	shift

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done

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   153

if [ "$DISABLE_JAXE" = "1" ]; then

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	SUB_OPT_JAXE=

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else

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	which java >/dev/null 2>&1

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	if (( $? )); then 

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		SUB_OPT_JAXE=

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		echo "Could not find java VM ! Jaxe XML editor disabled !"

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	else

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		SUB_OPT_JAXE=jaxe

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	fi

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fi

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

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#                      DEFAULT TARGET/DRIVERS GUESSING                    #

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

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# If target not specified, try to gess one

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

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	SUB_TARGET=generic

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fi

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# If target generic, try to gess can

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if [ "$SUB_TARGET" = "generic" -a "$SUB_CAN_DRIVER" = "" ]; 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

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	else

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		echo "Choosing virtual CAN driver."

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		SUB_CAN_DRIVER=virtual

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		SUB_LED_ENABLE=YES

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	fi

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fi

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# If target generic, try to gess timers

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

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	echo "Choosing unix timers driver."

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	SUB_TIMERS_DRIVER=unix

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fi

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

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

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		echo "Peak driver hasn't been installed !"

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		exit -1

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	fi

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fi

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

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#                              GUESS OS/ARCH                              #

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

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   211

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 [ "$SUB_OS_NAME" = "HP" -o "$SUB_OS_NAME" = "HP-UX" ]; then

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	SUB_OS_NAME=HPUX

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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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if [ "$A_NAME" = "i386" ]; then

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	SUB_ARCH_NAME=x86

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fi

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if [ "$A_NAME" = "i486" ]; then

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	SUB_ARCH_NAME=x86

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fi

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if [ "$A_NAME" = "i586" ]; then

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	SUB_ARCH_NAME=x86

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fi

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if [ "$A_NAME" = "i686" ]; then

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	SUB_ARCH_NAME=x86

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fi

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if [ "$A_NAME" = "x86" ]; then

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	SUB_ARCH_NAME=x86

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fi

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# 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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# ia64

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if [ "$A_NAME" = "ia64" ]; then

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	SUB_ARCH_NAME=ia64

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fi

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# alpha

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

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	SUB_ARCH_NAME=alpha

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fi

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   259

# parisc

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

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	SUB_ARCH_NAME=parisc

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fi

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if [ "$SUB_OS_NAME" = "HPUX" -a "$A_NAME" != "ia64" ]; then

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	# If we're on HP-UX and the architecture is *not* ia64,

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	# it's most likely parisc

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	SUB_ARCH_NAME=parisc

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fi

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# sparc

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

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	SUB_ARCH_NAME=sparc

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fi

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if [ "$A_NAME" = "sun4u" ]; then

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	SUB_ARCH_NAME=sparc

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fi

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# sparc64

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if [ "$A_NAME" = "sparc64" ]; then

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	SUB_ARCH_NAME=sparc64

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fi

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#

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# The following has not been verified

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#

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   287

# 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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# 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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# mips3

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if [ "$A_NAME" = "ip32" ]; then		# IRIX

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	SUB_ARCH_NAME=mips3

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fi

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if [ "$A_NAME" = "ip35" ]; then		# IRIX

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	SUB_ARCH_NAME=mips3

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fi

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# mips32

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if [ "$A_NAME" = "mips32" ]; then

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	SUB_ARCH_NAME=mips32

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fi

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

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	SUB_ARCH_NAME=mips32

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fi

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

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	SUB_ARCH_NAME=mips32

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fi

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if [ "$A_NAME" = "RISC" ]; then		# MIPS Ultrix

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	SUB_ARCH_NAME=mips32

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fi

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# mips64

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if [ "$A_NAME" = "mips64" ]; then

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	SUB_ARCH_NAME=mips64

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fi

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if [ "$A_NAME" = "MIPS64" ]; then

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	SUB_ARCH_NAME=mips64

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fi

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if [ "$A_NAME" = "IP64" ]; then		# IRIX

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	SUB_ARCH_NAME=mips64

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fi

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# power

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if [ "$A_NAME" = "power" ]; then	# Manual

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	SUB_ARCH_NAME=power

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fi

   339

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echo "Using OS: ${SUB_OS_NAME}"

   341

echo "Using architecture: ${SUB_ARCH_NAME}"

   342

   343

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

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

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

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	exit -1

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fi

   348

   349

if [ "$SUB_OS_NAME" = "HPUX" -a "$CC" = "gcc" ]; then

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	# Only if we are on HP-UX, ia64 and using gcc

   351

	SUB_PROG_CFLAGS=-mlp64

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fi

   353

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if [ "$SUB_OS_NAME" = "SunOS" -a "$SUB_ARCH_NAME" = "sparc" -a "$CC" = "gcc" ]; then

   355

	# Only if we are on SunOS, sparc and using gcc

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	# Tells the assembler that we are dealing with a v8plusa arch sparc

   357

	# and -mimpure-text is needed for shared library linking

   358

	SUB_PROG_CFLAGS="-Wa,-xarch=v8plusa -mimpure-text"

   359

fi

   360

   361

if [ "$SUB_OS_NAME" = "AIX" -a "$SUB_ARCH_NAME" = "power" -a "$CC" = "gcc" ]; then

   362

	# Only if we are on AIX, power and using gcc

   363

	# The assembler may default to generating Power and PowerPC compatible

   364

	# code. We need to override that.

   365

	SUB_PROG_CFLAGS=-Wa,-mpwr

   366

fi

   367

   368

if [ "$SUB_OS_NAME" = "AIX" -a "$SUB_ARCH_NAME" = "ppc" -a "$CC" = "gcc" ]; then

   369

	# Only if we are on AIX, ppc and using gcc

   370

	# The assembler may default to generating Power and PowerPC compatible

   371

	# code. We need to override that.

   372

	SUB_PROG_CFLAGS=-Wa,-mppc

   373

fi

   374

   375

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

   376

	# Only if we are on x86_64 and using gcc

   377

	# For shared library generation, it needs this

   378

	SUB_PROG_CFLAGS=-fPIC

   379

fi

   380

   381

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

   382

#              TARGET/DRIVER SPECIFIC CFLAGS and OPTIONS                  #

   383

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

   384

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

   385

	# Only if we want to compile for a µC HCS12

   386

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

   387

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

   388

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

   389

		if (( $? )); then 

   390

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

   391

			if (( $? )); then 

   392

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

   393

				exit 0

   394

			else

   395

				CC=m68hc12-gcc 

   396

			fi

   397

		else

   398

			CC=m6811-elf-gcc

   399

			SUB_PROG_CFLAGS=-m68hc12

   400

		fi

   401

	fi

   402

	# hcs12 driver implement its own timers

   403

	SUB_TIMERS_ENABLE=YES

   404

fi	

   405

   406

if [ "$SUB_TARGET" = "ecos_lpc2138_sja1000" ]; then

   407

	# search for gcc arm compiler arm-elf-gcc or arm-elf-gcc ?

   408

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

   409

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

   410

		if (( $? )); then 

   411

			echo "error : Could not find arm-elf-gcc"

   412

		else

   413

			CC=arm-elf-gcc

   414

			SUB_PROG_CFLAGS="-mcpu=arm7tdmi -Wall -Wpointer-arith -Wstrict-prototypes -Winline -Wundef -Os \

   415

                        -ffunction-sections -fdata-sections -fno-exceptions -finline-functions"

   416

		fi

   417

	fi

   418

	# ecos sja1000 driver implements calls needed by LSS.

   419

	SUB_LSS_ENABLE=YES

   420

	SUB_LED_ENABLE=YES

   421

	SUB_NVRAM_ENABLE=YES

   422

	# ecos driver implement its own timers

   423

	SUB_TIMERS_ENABLE=NO

   424

fi

   425

   426

   427

#### CAN_DRIVER ####

   428

   429

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

   430

	SUB_EXE_CFLAGS=$SUB_EXE_CFLAGS\ -lpcan

   431

fi

   432

   433

#### TIMERS_DRIVER ####

   434

   435

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

   436

	SUB_EXE_CFLAGS=$SUB_EXE_CFLAGS\ -lpthread

   437

fi

   438

   439

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

   440

	SUB_EXE_CFLAGS=$SUB_EXE_CFLAGS\ -lnative\

   441

\	-L`$XENO_CONFIG --library-dir`

   442

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

   443

fi

   444

   475

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

   476

#                              GUESS COMPILER                             #

   477

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

   478

# If CC is empty, the user wanted automatic detection

   479

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

   480

	# Check for second compiler, CC2

   481

	cat > $test.c <<EOF

   482

	int main() { return 0; }

   483

EOF

   484

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

   485

		DETECTCC=$CC2

   486

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

   487

	else

   488

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

   489

	fi

   490

	rm -f $test.c $test.o

   491

   492

	# Check for first compiler, CC1

   493

	cat > $test.c <<EOF

   494

	int main() { return 0; }

   495

EOF

   496

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

   497

		DETECTCC=$CC1

   498

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

   499

	else

   500

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

   501

	fi

   502

	rm -f $test.c $test.o

   503

	CC=$DETECTCC

   504

fi

   505

# Check if we decided on a compiler after all

   506

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

   507

	echo "Error: Could not find a C compiler"

   508

	echo "Please supply the wanted compiler"

   509

	exit -1

   510

fi

   511

   512

echo "Using ${CC}"

   513

   514

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

   515

#                              GUESS PREFIX's                             #

   516

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

   517

   518

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

   519

   520

# Guess prefix as regard cross compiling target machine

   521

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

   522

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

   523

	if (( $? )); then 

   524

		SUB_PREFIX=/usr/local

   525

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

   526

	else