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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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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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	--led=*)	SUB_LED_DRIVER=$optarg;;

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	--nvram=*)	SUB_NVRAM_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	"		\"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	" --led=foo	Use 'foo' as DS-305 LED driver (use 'none' to disable or 'stdout')"

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		echo	" --nvram=foo	Use 'foo' as NVRAM driver (use 'none' to disable or 'file')"

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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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	shift

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done

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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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#                              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 [ "$SUB_OS_NAME" = "HP" -o "$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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# 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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# 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

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echo "Using OS: ${SUB_OS_NAME}"

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echo "Using architecture: ${SUB_ARCH_NAME}"

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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

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

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

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	SUB_PROG_CFLAGS=-mlp64

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fi

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

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	# 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

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

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

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fi

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

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

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	# The assembler may default to generating Power and PowerPC compatible

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	# code. We need to override that.

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	SUB_PROG_CFLAGS=-Wa,-mpwr

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fi

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

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

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	# The assembler may default to generating Power and PowerPC compatible

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	# code. We need to override that.

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	SUB_PROG_CFLAGS=-Wa,-mppc

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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

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fi

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

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#              TARGET/DRIVER SPECIFIC CFLAGS and OPTIONS                  #

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

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

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	# Only if we want to compile for a µC HCS12

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

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

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

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		if (( $? )); then 

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

   418

			if (( $? )); then 

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

   420

				exit 0

   421

			else

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				CC=m68hc12-gcc 

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			fi

   424

		else

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			CC=m6811-elf-gcc

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			SUB_PROG_CFLAGS=-m68hc12

   427

		fi

   428

	fi

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fi	

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

   432

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

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

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

   435

		if (( $? )); then 

   436

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

   437

		else

   438

			CC=arm-elf-gcc

   439

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

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

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		fi

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	fi

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	# ecos sja1000 driver implements calls needed by LSS.

   444

	SUB_LSS_ENABLE=YES

   445

	SUB_LED_ENABLE=YES

   446

	SUB_NVRAM_ENABLE=YES

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fi

   448

   449

   450

#### CAN_DRIVER ####

   451

   452

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

   453

	SUB_EXE_CFLAGS=$SUB_EXE_CFLAGS\ -lpcan

   454

fi

   455

   460

#### TIMERS_DRIVER ####

   461

   462

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

   463

	SUB_EXE_CFLAGS=$SUB_EXE_CFLAGS\ -lpthread

   464

fi

   465

   466

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

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	SUB_EXE_CFLAGS=$SUB_EXE_CFLAGS\ -lnative\

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

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

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fi

   471

   476

#### LED_DRIVER ####

   477

#enable led support if a led driver have been selected.

   478

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

   479

	SUB_LED_ENABLE=YES

   480

fi

   481

#if "none" driver is selected led feature is enabled but driver not compiled

   482

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

   483

	SUB_LED_DRIVER=

   484

fi

   485

#if "disable" driver is selected led feature is disabled

   486

if [ "$SUB_LED_DRIVER" = "disable" ]; then

   487

	SUB_LED_ENABLE=

   488

	SUB_LED_DRIVER=

   489

fi

   490

   491

#### NVRAM_DRIVER ####

   492

#enable nvram support if a nvram driver have been selected.

   493

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

   494

	SUB_NVRAM_ENABLE=YES

   495

fi

   496

#if "none" driver is selected nvram feature is enabled but driver not compiled

   497

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

   498

	SUB_NVRAM_DRIVER=

   499

fi

   500

#if "disable" driver is selected nvram feature is disabled

   501

if [ "$SUB_NVRAM_DRIVER" = "disable" ]; then

   502

	SUB_NVRAM_ENABLE=

   503

	SUB_NVRAM_DRIVER=

   504

fi

   505

   506

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

   507

#                              GUESS COMPILER                             #

   508

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

   509

# If CC is empty, the user wanted automatic detection

   510

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

   511

	# Check for second compiler, CC2

   512

	cat > $test.c <<EOF

   513

	int main() { return 0; }

   514

EOF

   515

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

   516

		DETECTCC=$CC2

   517

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

   518

	else

   519

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

   520

	fi

   521