1

#!/bin/bash

     2

     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. 

     8

# 

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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

    17

# Lesser General Public License for more details.

    18

# 

    19

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

    20

# 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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# 

    23

    24

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

    25

#                       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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    31

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

    32

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

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SDO_MAX_LENGTH_TRANSFERT=32

    34

    35

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

    36

#for a slave node, usually put 1.

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SDO_MAX_SIMULTANEOUS_TRANSFERTS=4

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    39

# Used for NMTable[bus][nodeId]	  

    40

# You can put less of 128 if on the netwo

    41

# are connected only smaller nodeId node.

    42

NMT_MAX_NODE_ID=128

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    44

#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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    48

MAX_NB_TIMER=32

    49

    50

# 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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    55

# 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

#Timeout in milliseconds for LSS.

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LSS_TIMEOUT_MS=1000

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#Timeout in milliseconds for LSS FastScan.

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LSS_FS_TIMEOUT_MS=100

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    66

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

    67

#                             DEFAULT BUILD OPTIONS                       #

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

    69

    70

#default target

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SUB_TARGET=

    72

    73

# First compiler option - we will check if it exists

    74

CC1=gcc

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# Second compiler option - we will check if it exists

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CC2=cc

    77

    78

# Install prefix

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SUB_PREFIX=

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    81

# Used for C compiler test/detection 

    82

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

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

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	RTAI_CONFIG=/usr/realtime/bin/rtai-config

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fi

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

    95

#                          ARGUMENTS PARSING                              #

    96

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

    97

while [ $# -ge 1 ]; do

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

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   100

	case $1 in

   101

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

   102

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

   103

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

   104

	--binutils=*)   BINUTILS_PREFIX=$optarg;;

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

   106

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

   107

	--kerneldir=*)	SUB_KERNELDIR=$optarg;;

   108

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

   109

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

   110

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

   111

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

   112

	--wx=*)		SUB_WX=$optarg;

   113

			echo "Forced wx detection to $optarg";;

   114

	--disable-Ox)	DISABLE_OPT=1;

   115

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

   116

	--disable-dll)	DISABLE_DLL=1;

   117

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

   118

	--enable-lss)	ENABLE_LSS=1;

   119

			echo "On user request: LSS services enabled";;

   120

	--enable-lss-fs)	ENABLE_LSS_FS=1;

   121

			echo "On user request: LSS FastScan service enabled";;

   122

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

   123

	--MAX_CAN_BUS_ID=*)	MAX_CAN_BUS_ID=$optarg;;

   124

	--SDO_MAX_LENGTH_TRANSFERT=*)	SDO_MAX_LENGTH_TRANSFERT=$optarg;;

   125

	--SDO_MAX_SIMULTANEOUS_TRANSFERTS=*)	SDO_MAX_SIMULTANEOUS_TRANSFERTS=$optarg;;

   126

	--NMT_MAX_NODE_ID=*)	NMT_MAX_NODE_ID=$optarg;;

   127

	--SDO_TIMEOUT_MS=*)	SDO_TIMEOUT_MS=$optarg;;

   128

	--CANOPEN_BIG_ENDIAN=*)	CANOPEN_BIG_ENDIAN=$optarg;;

   129

	--MAX_NB_TIMER=*) MAX_NB_TIMER=$optarg;;

   130

	--EMCY_MAX_ERRORS=*) EMCY_MAX_ERRORS=$optarg;;

   131

	--LSS_TIMEOUT_MS=*)	LSS_TIMEOUT_MS=$optarg;;

   132

	--LSS_FS_TIMEOUT_MS=*)	LSS_FS_TIMEOUT_MS=$optarg;;

   133

	--help)

   134

		echo	"Usage: ./configure [options]"

   135

		echo	"Options:"

   136

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

   137

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

   138

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

   139

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

   140

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

   141

		echo 	" --kerneldir=foo   Use 'foo' as kernel source directory instead of default"

   142

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

   143

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

   144

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

   145

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

   146

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

   147

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

   148

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

   149

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

   150

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

   151

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

   152

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

   153

		echo	"               \"virtual_kernel\" use kernel module virtual can driver"

   154

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

   155

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

   156

		echo	"               \"lincan\" lincan driver"

   157

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

   158

		echo	"               \"can4linux\" can4linux driver"

   159

		echo	"                 see http://www.port.de/engl/canprod/hw_can4linux.html"

   160

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

   161

		echo 	" --wx=foo      Force result of WxWidgets detection (0 or 1)"

   162

		echo 	" --binutils=path   Override binutils path detection (as regards \$CC content)"

   163

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

   164

		echo 	" --enable-lss  Enable the LSS services"

   165

		echo 	" --enable-lss-fs  Enable the LSS FastScan service"

   166

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

   167

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

   168

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

   169

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

   170

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

   171

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

   172

		echo

   173

		echo	"Stack compilation constants"

   174

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

   175

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

   176

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

   177

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

   178

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

   179

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

   180

		echo	" --LSS_TIMEOUT_MS [=1000] Timeout in milliseconds for LSS services."

   181

		echo	"                          LSS must be enabled with \"--enable-lss\""

   182

		echo	" --LSS_FS_TIMEOUT_MS [=100] Timeout in milliseconds for LSS FastScan service."

   183

		echo	"                            LSS FastScan must be enabled with \"--enable-lss-fs\""

   184

		exit 0;;

   185

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

   186

	esac

   187

   188

	shift

   189

done

   190

   191

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

   192

#                              GUESS OS/ARCH                              #

   193

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

   194

   195

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

   196

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

   197

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

   198

fi

   199

   200

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

   201

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

   202

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

   203

	else

   204

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

   205

	fi

   206

fi

   207

   208

# x86

   209

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

   210

	SUB_ARCH_NAME=x86

   211

fi

   212

   213

# x86_64

   214

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

   215

	SUB_ARCH_NAME=x86_64

   216

fi

   217

   218

# ppc

   219

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

   220

	SUB_ARCH_NAME=ppc

   221

fi

   222

   223

# ppc64

   224

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

   225

	SUB_ARCH_NAME=ppc64

   226

fi

   227

   228

# arm

   229

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

   230

	SUB_ARCH_NAME=arm

   231

fi

   232

   233

# mingw32

   234

if [ "$A_NAME" = "mingw32" ]; then

   235

	SUB_ARCH_NAME=mingw32

   236

fi

   237

   238

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

   239

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

   240

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

   241

	exit -1

   242

fi

   243

   244

echo "Host OS: ${SUB_OS_NAME}"

   245

echo "Host arch: ${SUB_ARCH_NAME}"

   246

   247

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

   248

	# Only if we are on x86_64 and using gcc

   249

	# For shared library generation, it needs this

   250

	SUB_PROG_CFLAGS=-fPIC

   251

fi

   252

   253

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

   254

	# PowerPC uses big endian format

   255

	CANOPEN_BIG_ENDIAN=1

   256

fi

   257

   258

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

   259

#                      DEFAULT TARGET/DRIVERS GUESSING                    #

   260

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

   261

# If target not specified, try to guess one

   262

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

   263

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

   264

		echo "Choosing unix (cygwin) target"

   265

		SUB_TARGET=unix

   266

	fi

   267

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

   268

		echo "Choosing unix target"

   269

		SUB_TARGET=unix

   270

	fi

   271

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

   272

		echo "Choosing windows target"

   273

		SUB_TARGET=win32

   274

	fi

   275

fi

   276

   277

# Try to guess can

   278

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

   279

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

   280

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

   281

			echo "Choosing installed Peak driver as CAN driver."

   282

			SUB_CAN_DRIVER=peak_linux

   283

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

   284

			echo "Choosing installed Peak driver as CAN driver."

   285

			SUB_CAN_DRIVER=peak_win32		

   286

		elif [ -e /usr/lib/libcanlib.so ]; then 

   287

			echo "Choosing installed Kvaser driver as CAN driver. (unix)"

   288

			SUB_CAN_DRIVER=kvaser

   289

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

   290

			echo "Choosing installed Kvaser driver as CAN driver. (cygwin)"

   291

			SUB_CAN_DRIVER=kvaser

   292

		else

   293

			echo "Choosing virtual CAN driver."

   294

			SUB_CAN_DRIVER=virtual

   295

		fi

   296

	fi

   297

fi

   298

   299

# If target is unix, default timers also

   300

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

   301

	echo "Choosing unix timers driver."

   302

	SUB_TIMERS_DRIVER=unix

   303

fi

   304

   305

# If target is windows, default timers also

   306

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

   307

	echo "Choosing windows timers driver."

   308

	SUB_TIMERS_DRIVER=win32

   309

fi

   310

   311

# Warn for unstalled peak driver if choosen

   312

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

   313

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

   314

		echo "Peak driver hasn't been installed !"

   315

		exit -1

   316

	fi

   317

fi

   318

   319

# Warn for unstalled kvaser driver if choosen

   320

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

   321

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

   322

        if [ ! -e "$KVASER_DLL_PATH/canlib32.dll" ]; then 

   323

            echo "Kvaser driver hasn't been installed (cygwin)"

   324

            exit -1

   325

        fi

   326

    elif  [ "$SUB_OS_NAME" = "LINUX" ]; then

   327

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

   328

            echo "Kvaser driver hasn't been installed (unix)"

   329

            exit -1

   330

        fi

   331

	fi

   332

fi

   333

   334

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

   335

#              TARGET/DRIVER SPECIFIC CFLAGS and OPTIONS                  #

   336

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

   337

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

   338

	# Only if we want to compile for a C HCS12

   339

       # it is a big endian architecture.

   340

       CANOPEN_BIG_ENDIAN=1

   341

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

   342

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

   343

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

   344

		if (( $? )); then 

   345

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

   346

			if (( $? )); then 

   347

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

   348

				exit 0

   349

			else

   350

				CC=m68hc12-gcc 

   351

			fi

   352

		else

   353

			CC=m6811-elf-gcc

   354

			SUB_PROG_CFLAGS=-m68hc12

   355

		fi

   356

	fi

   357

fi	

   358

   359

#### CAN_DRIVER ####

   360

   361

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

   362

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

   363

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

   364

            SUB_CAN_DLL_CFLAGS=$SUB_CAN_DLL_CFLAGS\ -lcanlib

   365

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

   366

	        if [ "$KVASER_INCLUDE_PATH" = "" -o "$KVASER_DLL_PATH" = "" ]; then

   367

		        echo "!!! ERROR !!! Please set KVASER_DLL_PATH and KVASER_INCLUDE_PATH to appropriate paths ! "

   368

            else

   369

                SUB_CAN_DLL_CFLAGS=$SUB_CAN_DLL_CFLAGS\ -L$KVASER_DLL_PATH\ -lcanlib32

   370

                SUB_PROG_CFLAGS=$SUB_PROG_CFLAGS\ -I$KVASER_INCLUDE_PATH

   371

            fi

   372

        fi

   373

    fi        

   374

fi

   375

   376

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

   377

    SUB_CAN_DLL_CFLAGS=$SUB_CAN_DLL_CFLAGS\ -lpcan

   378

fi

   379

   380

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

   381

    SUB_CAN_DLL_CFLAGS=$SUB_CAN_DLL_CFLAGS\ -lvs_can_api

   382

fi

   383

   384

PW32DIR=drivers/can_peak_win32

   385

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

   386

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

   387

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

   388

	fi

   389

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

   390

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

   391

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

   392

	echo >> $PW32DIR/cancfg.h

   393

	# second port handling

   394

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

   395

		echo "Stripping down second Pcan Light header "

   396

		echo >> $PW32DIR/cancfg.h

   397

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

   398

		echo >> $PW32DIR/cancfg.h

   399

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

   400

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

   401

	   	SUB_CAN_DLL_CFLAGS=$SUB_CAN_DLL_CFLAGS\ \'$PCAN2_LIB\'

   402

	fi

   403

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

   404

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

   405

		echo "	PCANHwType PCANIO_Port PCANInterupt"

   406

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

   407

	fi

   408

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

   409

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

   410

		echo "CAN_* calls redefined to CAN2_* "

   411

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

   412

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

   413

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

   414

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

   415

	fi

   416

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

   417

fi

   418

   419

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

   420

	SUB_CAN_DRIVER=

   421

fi

   422

   423

#### TIMERS_DRIVER ####

   424

   425

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

   426

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

   427

	   SUB_EXE_CFLAGS=$SUB_EXE_CFLAGS\ -lpthread\ -lrt

   428

	fi

   429

fi

   430

   431

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

   432

	RT_LIB_DIR=`$XENO_CONFIG --library-dir`\ -Wl,-rpath\ `$XENO_CONFIG --library-dir`

   433

    SUB_EXE_CFLAGS=$SUB_EXE_CFLAGS\ `$XENO_CONFIG --xeno-ldflags`\ -L$RT_LIB_DIR\ -lnative\ -lrtdm

   434

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

   435

    RTCAN_SOCKET=1

   436

fi

   437

   438

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

   439

	RT_LIB_DIR=`$RTAI_CONFIG --library-dir`\ -Wl,-rpath\ `$RTAI_CONFIG --library-dir`

   440

    SUB_EXE_CFLAGS=$SUB_EXE_CFLAGS\ `$RTAI_CONFIG --lxrt-ldflags`\ -L$RT_LIB_DIR\ -llxrt\ -lrtdm

   441

	SUB_PROG_CFLAGS=$SUB_PROG_CFLAGS\ -DUSE_RTAI\ `$RTAI_CONFIG --lxrt-cflags`

   442

    RTCAN_SOCKET=1

   443

fi

   444

   445

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

   446

	DISABLE_DLL=1

   447

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

   448

		# use directory of current kernel

   449

		SUB_KERNELDIR=/lib/modules/$(uname -r)/build

   450

	fi

   451

fi

   452

   453

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

   454

	SUB_TIMERS_DRIVER=

   455

fi

   456

   457

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

   458

#                              GUESS TOOLCHAIN                            #

   459

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

   460

# If CC is empty, the user wanted automatic detection

   461

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

   462

	# Check for second compiler, CC2

   463

	cat > $test.c <<EOF

   464

	int main() { return 0; }

   465

EOF

   466

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

   467

		DETECTCC=$CC2

   468

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

   469

	else

   470

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

   471

	fi

   472

	rm -f $test.c $test.o

   473

   474

	# Check for first compiler, CC1

   475

	cat > $test.c <<EOF

   476

	int main() { return 0; }

   477

EOF

   478

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

   479

		DETECTCC=$CC1

   480

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

   481

	else

   482

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

   483

	fi

   484

	rm -f $test.c $test.o

   485

	CC=$DETECTCC

   486

fi

   487

# Check if we decided on a compiler after all

   488

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

   489

	echo "Error: Could not find a C compiler"

   490

	echo "Please supply the wanted compiler"

   491

	exit -1

   492

fi

   493

   494

echo "Using ${CC} as a C compiler"

   495

   496

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

   497

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

   498

else

   499

	SUB_BINUTILS_PREFIX=$BINUTILS_PREFIX

   500

fi

   501

   502

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

   503