configure

#!/bin/sh
#
# Copyright 1990-2008, Mark Little, University of Newcastle upon Tyne
# and others contributors as indicated 
# by the @authors tag. All rights reserved. 
# See the copyright.txt in the distribution for a
# full listing of individual contributors. 
# This copyrighted material is made available to anyone wishing to use,
# modify, copy, or redistribute it subject to the terms and conditions
# of the GNU Lesser General Public License, v. 2.1.
# This program is distributed in the hope that it will be useful, but WITHOUT A 
# WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A 
# PARTICULAR PURPOSE.  See the GNU Lesser General Public License for more details.
# You should have received a copy of the GNU Lesser General Public License,
# v.2.1 along with this distribution; if not, write to the Free Software
# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, 
# MA  02110-1301, USA.
# 
# (C) 1990-2008,
#
#
# Copyright (C) 1993, 1994, 1995, 1996, 1997, 1998,
# 
# Department of Computing Science,
# The University,
# Newcastle upon Tyne,
# UK.
# 
# $Id: configure,v 1.44 1998/10/05 13:00:07 nmcl Exp $
#
 
trap 'rm -fr configtest* configdefs* core; exit 1' 1 3 15
trap 'rm -f configdefs*' 0
 
ECHO_TEST=`echo "Test \c"`
if test "$ECHO_TEST" = "Test "
then 
	PRE_ECHO=""
	POST_ECHO="\c"
else
	PRE_ECHO="-n"
	POST_ECHO=""
fi

OS=`(uname -s) 2> /dev/null`
if test -n "$OS" 
then
	RELEASE=`uname -r`
	MACHINE=`uname -m`
else
	RELEASE=unknown
	MACHINE=unknown
	OSMAJOR=0
	OSMINOR=0
	OSMINMIN=0
	OS="unknown OS"
fi

NATIVE_MACHINE=$MACHINE
NATIVE_OS=$OS
NATIVE_RELEASE=$RELEASE
CROSS_COMPILE=""
STACK_TYPE=CACHED
PTHREAD_DRAFT=LINUX
THREAD_TYPE=""
QUEUE_DEFAULT=ProcessList
LWP_CHECKDIR=""
THREAD_CPPFLAGS=""
COMPILER_THREAD_OPT=""
LD_THREAD_OPT=""
LD_THREAD_LIBS=""
DEFAULT_THREAD_SYS=""
VERBOSE_MAKE=NO
TOPDIR_DEFAULT=`pwd`
CPLUSPLUS_PROGRAM=CC
CPLUSPLUS_NATIVE_COMPILER=
CPPFLAGS_DEFAULT=
BUILDFLAGS_DEFAULT=
CPLUSPLUSFLAGS_DEFAULT=
LIBRARIES_DEFAULT="-lm"
LDFLAGS_DEFAULT=
LEX_PROGRAM="lex"
LEX_LIB=
LEXFLAGS_DEFAULT=
PURIFY_PROGRAM="purify"
YACC_PROGRAM="yacc"
YACCFLAGS_DEFAULT=
YACC_LIB=
ID_PROGRAM=id
INSTALL_TOPDIR_DEFAULT=/usr/local/C++SIM
THISUSER="arjuna"
THISHOST=`hostname`
THREAD_CHANGED="NO"
BUILD_CONTRIB="NO"

CONFIGDIR=Include/Config

while true
do
	INPUT="xxxx"
	while test "'x$INPUT'" != "'x'" -a "'x$INPUT'" != "'xYES'" -a "'x$INPUT'" != "'xNO'"
	do
		echo $PRE_ECHO "Configuring for a $MACHINE machine running $OS version $RELEASE. Is this OK [YES] : " $POST_ECHO
		read INPUT
		echo
	done
	if test "'x$INPUT'" != "'xYES'" -a "'x$INPUT'" != "'x'"
	then  
		INPUT="xxxx"
		echo $PRE_ECHO "Machine type [$MACHINE] " $POST_ECHO
		read INPUT
		echo
		if test "'x$INPUT'" != "'x'"
		then  
			MACHINE=$INPUT
		fi
		INPUT="xxxx"
		echo $PRE_ECHO "Operating System [$OS] " $POST_ECHO
		read INPUT
		echo
		if test "'x$INPUT'" != "'x'"
		then
			OS=$INPUT
		fi
		INPUT="xxxx"
		echo $PRE_ECHO "Operating System Version [$RELEASE] " $POST_ECHO
		read INPUT
		echo
		if test "'x$INPUT'" != "'x'"
		then
			RELEASE=$INPUT
		fi
	else
		break
	fi
done

REL=`echo $RELEASE | sed -e 's/^[^0-9]*//'`
COMPONENTS=`echo $REL |  awk -F. "{print NF}"`

if [ $COMPONENTS -gt 2 ]
then
	TMP_OSMINMIN=`echo $REL | awk -F. '{print $3}'`
	OSMINMIN=`echo $TMP_OSMINMIN | sed -e 's/[^0-9]//g'`
fi
if [ $COMPONENTS -gt 1 ]
then
	TMP_OSMINOR=`echo $REL | awk -F. '{print $2}'`
	OSMINOR=`echo $TMP_OSMINOR | sed -e 's/[^0-9]//g'`
fi
if [ $COMPONENTS -gt 0 ]
then
	TMP_OSMAJOR=`echo $REL | awk -F. '{print $1}'`
	OSMAJOR=`echo $TMP_OSMAJOR | sed -e 's/[^0-9]//g'`
fi

OSNAME=`echo s_$OS | tr "A-Z-" "a-z_" | tr -d "."`

echo $PRE_ECHO "Finding OS config file, please wait : " $POST_ECHO
S_CONFIG=`./getVersion ${OSNAME} .cf $CONFIGDIR ${OSMAJOR} ${OSMINOR} ${OSMINMIN}`
echo $S_CONFIG

if [ -z $S_CONFIG ]; then
	S_CONFIG=s_unknown.cf
	echo "WARNING no OS specific config file for this OS! using :" $S_CONFIG" instead of "${OSNAME}.cf
fi

echo

case $OS in
SunOS|Solaris)
	case $RELEASE in
	5.*)	DEFAULT_THREAD_SYS="SOLARIS_THREAD"
		THREAD_TYPE="Solaris_Thread"
		;;
	4.*)	DEFAULT_THREAD_SYS="LWP_THREAD"
		THREAD_TYPE="LWP_Thread"
		;;
	esac
	;;
HP-UX)	DEFAULT_THREAD_SYS="POSIX_THREAD"
	THREAD_TYPE="Posix_Thread"
	PTHREAD_DRAFT=HPUX
	;;
HP-RT)	LDFLAGS_DEFAULT="+A"
	CPLUSPLUS_PROGRAM=CCrt
	CPLUSPLUS_NATIVE_COMPILER=CC
	DEFAULT_THREAD_SYS="POSIX_THREAD"
	THREAD_TYPE="Posix_Task"
	;;
Darwin) CPLUSPLUS_PROGRAM=clang++
	DEFAULT_THREAD_SYS="POSIX_THREAD"
	THREAD_TYPE="Posix_Thread"
	CPLUSPLUSFLAGS_DEFAULT="-Wno-deprecated -Wdelete-non-virtual-dtor"
	PTHREAD_DRAFT=DARWIN
	;;
Linux)	CPLUSPLUS_PROGRAM=g++
	CPLUSPLUS_NATIVE_COMPILER=g++
	DEFAULT_THREAD_SYS="POSIX_THREAD"
	THREAD_TYPE="Posix_Thread"
	PTHREAD_DRAFT=LINUX
	;;
AIX)	CPLUSPLUS_PROGRAM=xlC
	CPLUSPLUS_NATIVE_COMPILER=xlC
	DEFAULT_THREAD_SYS="C_THREAD"
	THREAD_TYPE="C_Thread"
	;;
OSF1)	CPLUSPLUS_PROGRAM=cxx
	CPLUSPLUS_NATIVE_COMPILER=cxx
	;;
ULTRIX)	CPLUSPLUS_PROGRAM=cxx
	CPLUSPLUS_NATIVE_COMPILER=cxx
	;;
esac

V_CONFIG="v_unknown.cf"

case $MACHINE in
sun4*)
	M_CONFIG="m_sparc.cf" 
	V_CONFIG="v_sun.cf" ;;
9000*)	M_CONFIG="m_hppa.cf" ;;
sun3*)  M_CONFIG="m_68k.cf" 	
	V_CONFIG="v_sun.cf" ;;
alpha*)	M_CONFIG="m_alpha.cf" ;;
i386*|i486*)
	M_CONFIG="m_i386.cf" ;;
RISC)	if [ $OS = "ULTRIX" ] 
	then
		MACHINE=mips
		NATIVE_MACHINE=mips
		M_CONFIG="m_mips.cf"
	else
		M_CONFIG="m_unknown.cf"
	fi
	;;
*)	M_CONFIG="m_unknown.cf" ;;
esac

INPUT="xxxx"
while test "'x$INPUT'" != "'x'" -a "'x$INPUT'" != "'xYES'" -a "'x$INPUT'" != "'xNO'"
do  
	echo $PRE_ECHO "Make is verbose (NO/YES) ["$VERBOSE_MAKE"] : " $POST_ECHO
	read INPUT
	echo
done
if test "'x$INPUT'" != "'x'"
then  
	VERBOSE_MAKE=$INPUT
fi

echo $PRE_ECHO "Root directory of source tree ["$TOPDIR_DEFAULT"] : " $POST_ECHO
read INPUT
echo
if test "'x$INPUT'" != "'x'"
then  
	TOPDIR_DEFAULT=$INPUT
fi

echo $PRE_ECHO "Root of directory tree for installation ["$INSTALL_TOPDIR_DEFAULT"] : " $POST_ECHO
read INPUT
echo
if test "'x$INPUT'" != "'x'"
then  
	INSTALL_TOPDIR_DEFAULT=$INPUT
fi

#
# Installed Configure.h overrides any local version.
#

if test -s $INSTALL_TOPDIR_DEFAULT/Include/Config/Configure.h
then
	CACHED_SETUP=$INSTALL_TOPDIR_DEFAULT/Include/Config/Configure.h
else
	if test -s $TOPDIR_DEFAULT/Include/Config/Configure.h
	then
		CACHED_SETUP=$TOPDIR_DEFAULT/Include/Config/Configure.h
	fi
fi

if test -n "$CACHED_SETUP"
then
	echo "Reading default answers from $CACHED_SETUP, please wait"
	echo
	grep -s " CPLUSPLUS_PROGRAM " $CACHED_SETUP > /dev/null 2>&1
	if test $? -eq 0
	then
		TEMPVAR=`awk -F\" '/CPLUSPLUS_PROGRAM / {print $2}' $CACHED_SETUP`
		CPLUSPLUS_PROGRAM=$TEMPVAR
	fi

	grep -s " CPPFLAGS_DEFAULT " $CACHED_SETUP > /dev/null 2>&1	
	if test $? -eq 0
	then
		TEMPVAR=`awk '/ CPPFLAGS_DEFAULT / {for (i = 3; i <= NF; i++) print $i}' $CACHED_SETUP`
		CPPFLAGS_DEFAULT=$TEMPVAR
	fi
	
	grep -s " Queue_Type " $CACHED_SETUP > /dev/null 2>&1	
	if test $? -eq 0
	then
		TEMPVAR=`awk '/ Queue_Type / {for (i = 3; i <= NF; i++) print $i}' $CACHED_SETUP`
		QUEUE_DEFAULT=$TEMPVAR
	fi
	
	grep -s " CPLUSPLUSFLAGS_DEFAULT " $CACHED_SETUP > /dev/null 2>&1	
	if test $? -eq 0
	then
		TEMPVAR=`awk '/ CPLUSPLUSFLAGS_DEFAULT / {for (i = 3; i <= NF; i++) print $i}' $CACHED_SETUP`
		CPLUSPLUSFLAGS_DEFAULT=$TEMPVAR
	fi
	
	grep -s " COMPILER_THREAD_FLAGS_DEFAULT " $CACHED_SETUP > /dev/null 2>&1	
	if test $? -eq 0
	then
		TEMPVAR=`awk '/ COMPILER_THREAD_FLAGS_DEFAULT / {for (i = 3; i <= NF; i++) print $i}' $CACHED_SETUP`
		COMPILER_THREAD_OPT=$TEMPVAR
	fi
	
	grep -s " LDFLAGS_DEFAULT " $CACHED_SETUP > /dev/null 2>&1	
	if test $? -eq 0
	then
		TEMPVAR=`awk '/ LDFLAGS_DEFAULT / {for (i = 3; i <= NF; i++) print $i}' $CACHED_SETUP`
		LDFLAGS_DEFAULT=$TEMPVAR
	fi
	
	grep -s " THREAD_LDFLAGS_DEFAULT " $CACHED_SETUP > /dev/null 2>&1	
	if test $? -eq 0
	then
		TEMPVAR=`awk '/ THREAD_LDFLAGS_DEFAULT / {for (i = 3; i <= NF; i++) print $i}' $CACHED_SETUP`
		LD_THREAD_OPT=$TEMPVAR
	fi
	
	grep -s " THREAD_TYPE " $CACHED_SETUP > /dev/null 2>&1	
	if test $? -eq 0
	then
		TEMPVAR=`awk '/ THREAD_TYPE / {for (i = 3; i <= NF; i++) print $i}' $CACHED_SETUP`
		THREAD_TYPE=$TEMPVAR
	fi

	grep -s " xLIBRARIES_DEFAULT " $CACHED_SETUP > /dev/null 2>&1	
	if test $? -eq 0
	then
		TEMPVAR=`awk '/ xLIBRARIES_DEFAULT / {for (i = 3; i <= NF; i++) print $i}' $CACHED_SETUP`
		LIBRARIES_DEFAULT=$TEMPVAR
	fi
	
	grep -s " THREAD_LDLIBS_DEFAULT " $CACHED_SETUP > /dev/null 2>&1	
	if test $? -eq 0
	then
		TEMPVAR=`awk '/ THREAD_LDLIBS_DEFAULT / {for (i = 3; i <= NF; i++) print $i}' $CACHED_SETUP`
		LD_THREAD_LIBS=$TEMPVAR
	fi
else
    THREAD_CHANGED="YES"
fi

if test $NATIVE_OS != $OS -o $NATIVE_MACHINE != $MACHINE -o $NATIVE_RELEASE != $RELEASE
then
	echo "You appear to be cross-compiling..."
	echo
	CROSS_COMPILE="#define CROSS_COMPILE"
	echo 'main(){}' > configtest.C
	while true
	do
		echo $PRE_ECHO "$NATIVE_OS C++ compiler ["$CPLUSPLUS_NATIVE_COMPILER"] : " $POST_ECHO
		read INPUT
		echo
		if test "'x$INPUT'" != "'x'"
		then  
			CPLUSPLUS_NATIVE_COMPILER=$INPUT
		fi
		echo $PRE_ECHO "Checking for" $CPLUSPLUS_NATIVE_COMPILER "... " $POST_ECHO
		($CPLUSPLUS_NATIVE_COMPILER -c configtest.C) > /dev/null 2>&1
		if [ $? -ne 0 ]
		then
			echo done
			echo I cannot find $CPLUSPLUS_NATIVE_COMPILER
			echo
			CPLUSPLUS_NATIVE_COMPILER=""
		else
			echo done
			break
		fi
	done
	echo
	rm -f configtest.*
fi

echo 'int main(){}' > configtest.C
while true
do
	echo $PRE_ECHO "$OS C++ compiler ["$CPLUSPLUS_PROGRAM"] : " $POST_ECHO
	read INPUT
	echo
	if test "'x$INPUT'" != "'x'"
	then  
		CPLUSPLUS_PROGRAM=$INPUT
	fi
	echo $PRE_ECHO "Checking for" $CPLUSPLUS_PROGRAM "... " $POST_ECHO
	($CPLUSPLUS_PROGRAM -c configtest.C) > /dev/null 2>&1
	if [ $? -ne 0 ]
	then
		echo done
		echo I cannot find $CPLUSPLUS_PROGRAM
		echo
		CPLUSPLUS_PROGRAM=""
	else
		echo done
		break
	fi
done
rm -f configtest.*

#
# Compiler version
# 

echo $PRE_ECHO "Determining C++ compiler version ... " $POST_ECHO
case "$CPLUSPLUS_PROGRAM" in
*clang*|*clang++*) version="`$CPLUSPLUS_PROGRAM -v 2>&1 | grep version | sed 's/^[^0-9]*\([0-9.]*\).*/\1/'`"
	echo "done (version is" $version ")"
	CPLUSPLUS_NAME="c_clang"
	LEX_PROGRAM=flex
	YACC_PROGRAM=bison
	;;
*gcc*|*g++*) version="`$CPLUSPLUS_PROGRAM -v 2>&1 | grep version | sed 's/^[^0-9]*\([0-9.]*\).*/\1/'`"
	echo "done (version is" $version ")"
	CPLUSPLUS_NAME="c_gcc"

	case "$version" in
	2.5*)	echo "WARNING gcc-2.5 has bugs that affect the linking of certain applications."
		echo "See README-GCC for details"
		;;
	2.6*)	echo "WARNING gcc-2.6 has bugs that affect the linking of certain applications."
		echo "See README-GCC for details"
		;;
	esac
	LEX_PROGRAM=flex
	YACC_PROGRAM=bison
	;;
*CC*)	echo 'int x;' > configtest.C 
	CPLUSPLUS_NAME="c_att"
	fullversion="`$CPLUSPLUS_PROGRAM -V 2>&1| grep -v 'warning' | grep '^CC:'`"
	if [ -z "$fullversion" ]
	then
		fullversion="`$CPLUSPLUS_PROGRAM -F configtest.C 2>/dev/null| grep '<<' | sed -e 's|.*\(<<.*>>\).*|\1|'`"
	fi
	rm -f configtest.C

	case "$fullversion" in
	*SC*)version="`echo $fullversion | sed -e 's|.*\(SC[0-9.]*\).*|\1|'`";;
	*WorkShop*)version="`echo $fullversion`";;
	*AT*)version="`echo $fullversion | sed -e 's|<<[^0-9]*\([0-9.]*\).*>>|\1|'`" ;;
	*Sun*)version="`echo $fullversion | sed -e 's|<<[^0-9]*\([0-9.]*\).*>>|\1|'`" ;;
	*HP*)version="`echo $fullversion | sed -e 's|<<.*A\.\([0-9.]*\).*>>|A.\1|'`" ;;
	*) version=unknown
	esac

	echo "done (version is" $fullversion ")"
	case "$version" in
	A.*)	CPLUSPLUS_NAME="c_att_hp" 
		version=`echo $version | sed -e 's|A\.||'`
		;;
	SC*)	CPLUSPLUS_NAME="c_sc"
		version=`echo $version | sed -e 's|SC||'`
		;;
	*WorkShop*) CPLUSPLUS_NAME="c_wkshp"
		version=`echo $version | sed -e 's|.*C\+\+\ \([0-9.]*\).*|\1|'`
		;;
	esac
	;;
*cxx*)	echo 'int x;' > configtest.C 
	fullversion="`$CPLUSPLUS_PROGRAM -V 2>&1| grep '^[ 	]*DEC'`"
	rm -f configtest.C

	version="`echo $fullversion | sed -e 's|<<.*\([0-9.]*\).*|\1|'`" 

	echo "done (version is" $fullversion ")"
	CPLUSPLUS_NAME="c_cxx"
	;;
*)	CPLUSPLUS_NAME="c"
	echo "done (version unknown)" 
	;;
esac

COMPONENTS=`echo $version | awk -F. "{print NF}"`

if [ $COMPONENTS -gt 2 ]
then
	CPLUSPLUS_MINORMINOR=`echo $version | awk -F. '{print $3}'`
fi
if [ $COMPONENTS -gt 1 ]
then
	CPLUSPLUS_MINOR=`echo $version | awk -F. '{print $2}'`
fi
if [ $COMPONENTS -gt 0 ]
then
	CPLUSPLUS_MAJOR=`echo $version | awk -F. '{print $1}'`
fi

echo
echo $PRE_ECHO "Finding compiler config file, please wait : " $POST_ECHO

C_CONFIG=`./getVersion ${CPLUSPLUS_NAME} .cf $CONFIGDIR ${CPLUSPLUS_MAJOR} ${CPLUSPLUS_MINOR} ${CPLUSPLUS_MINORMINOR}`

echo $C_CONFIG
if [ -z "$C_CONFIG" ]; then
	echo $PRE_ECHO "WARNING no compiler specific config file for this compiler! using : "
	C_CONFIG=${CPLUSPLUS_NAME}_unknown.cf
	if [ ! -f $CONFIGDIR/$C_CONFIG ]; then
		C_CONFIG=c_unknown.cf	
	fi
	echo $C_CONFIG
fi

echo

#
# locate standard include directory via compiler
#

echo $PRE_ECHO "Finding standard C++ include directory, please wait ..." $POST_ECHO
echo '#include <iostream>' > configtest.C
CPLUSPLUS_INCLUDE_DEFAULT=`$CPLUSPLUS_PROGRAM -E -Wno-deprecated configtest.C | grep "/iostream" | head -1 |sed -e 's|[^"]*"\([^"]*\).*|\1|' -e 's|/iostream||'`
rm -f configtest.C
echo "done"

echo
echo $PRE_ECHO "C++ include directory ["$CPLUSPLUS_INCLUDE_DEFAULT"] : " $POST_ECHO
read INPUT
echo
if test "'x$INPUT'" != "'x'"
then  
	CPLUSPLUS_INCLUDE_DEFAULT=$INPUT
fi

echo "Specific flags governing compilation and include file locations:"
echo "-DDEBUG                  Enable debugging messages"
echo "-DNO_INLINES             Disable inlining"
echo "-DUSE_PURIFY             Enable purify checking (if available)"
echo
echo $PRE_ECHO "C++SIM CppFlags ["$CPPFLAGS_DEFAULT"] : " $POST_ECHO
read INPUT
echo
if test "'x$INPUT'" != "'x'"
then  
	if test "'x$INPUT'" != "'xnone'"
	then
		CPPFLAGS_DEFAULT=$INPUT
	else
		CPPFLAGS_DEFAULT=
	fi
fi

echo $CPPFLAGS_DEFAULT | grep -s PURIFY > /dev/null 2>&1
if test $? -eq 0
then
	CPLUSPLUSFLAGS_DEFAULT=-g
	LDFLAGS_DEFAULT=-g
	echo $PRE_ECHO "purify program ["$PURIFY_PROGRAM"] : " $POST_ECHO
	read INPUT
	echo
	if test "'x$INPUT'" != "'x'"
	then  
		PURIFY_PROGRAM=$INPUT
	fi
else
	PURIFY_PROGRAM="exec"
fi

echo $PRE_ECHO "Additional compilation flags for optimisation and/or debugging ["$CPLUSPLUSFLAGS_DEFAULT"] : " $POST_ECHO
read INPUT
echo
if test "'x$INPUT'" != "'x'"
then  
	if test "'x$INPUT'" != "'xnone'"
	then
		CPLUSPLUSFLAGS_DEFAULT=$INPUT
	else
		CPLUSPLUSFLAGS_DEFAULT=
	fi
fi

echo $PRE_ECHO "C++SIM specific loader flags ["$LDFLAGS_DEFAULT"] : " $POST_ECHO
read INPUT
echo
if test "'x$INPUT'" != "'x'"
then  
	if test "'x$INPUT'" != "'xnone'"
	then
		LDFLAGS_DEFAULT=$INPUT
	else
		LDFLAGS_DEFAULT=
	fi
fi

echo $PRE_ECHO "Additional libraries ["$LIBRARIES_DEFAULT"] : " $POST_ECHO
read INPUT
echo
if test "'x$INPUT'" != "'x'"
then  
	if test "'x$INPUT'" != "'xnone'"
	then
		LIBRARIES_DEFAULT=$INPUT
	else
		LIBRARIES_DEFAULT=
	fi
fi

echo "Thread type to use:"
echo "CPP_Task		C++ task library"
echo "C_Thread		C threads library"
echo "LWP_Thread		Sun's lightweight process library"
echo "NT_Thread		NT threads"
echo "Posix_Thread		Posix threads library"
echo "Rex_Thread		Rex threads library"
echo "Solaris_Thread		Sun's Solaris threads library"
echo "Quick_Thread		David Keppel's Quick Threads package (see Contrib)"
echo
echo $PRE_ECHO "Thread type ["$THREAD_TYPE"] : " $POST_ECHO
read INPUT
echo
if test "'x$INPUT'" != "'x'"
then
    THREAD_TYPE=$INPUT
    THREAD_CHANGED="YES"
fi

if test "'x$THREAD_TYPE'" = "'xLWP_Thread'"
then
	DEFAULT_THREAD_SYS="LWP_THREAD"
	if test "'x$THREAD_CHANGED'" = "'xYES'"
	then
	    LD_THREAD_LIBS="-llwp"
	fi
	echo "The lwp library enables users to create their own stacks (i.e., statically"
	echo "allocate) for threads, or to rely upon the system to allocate stacks. The"
	echo "latter can sometimes be overly pessimistic, resulting in large resource"
	echo "utilisation."
	echo
	echo "Stack type:"
	echo "Static		fixed allocation"
	echo "Cached		allocated via lwp_newstk()"
	echo
	echo $PRE_ECHO "Stack type ["$STACK_TYPE"] : " $POST_ECHO
	read INPUT
	echo
	if test "'x$INPUT'" != "'x'"
	then
		STACK_TYPE=$INPUT
	fi

	echo "Checking lwp.h"
	echo
	echo '#include <lwp/lwp.h>' > configtest.C
	LWP_CHECKDIR=`$CPLUSPLUS_PROGRAM -E configtest.C | grep "/lwp.h" | head -1 |sed -e 's|[^"]*"\([^"]*\).*|\1|' -e 's|/lwp.h||'`
	rm -f configtest.C

	#
	# Assume if the prototype for lwp_create is not present then
	# the others will also not be there.
	#

	TEMPVAR=`grep lwp_create $LWP_CHECKDIR/lwp.h`
	if test -z "$TEMPVAR"
	then
		echo $CPPFLAGS_DEFAULT > lwptest
		ISBROKEN=`grep BROKEN_LWP lwptest`
		rm -f lwptest
		if test -z "$ISBROKEN"
		then
			THREAD_CPPFLAGS="$THREAD_CPPFLAGS -DBROKEN_LWP_H"
		fi
	fi
fi

if test "'x$THREAD_TYPE'" = "'xPosix_Thread'"
then
DEFAULT_THREAD_SYS="POSIX_THREAD"

echo $PRE_ECHO "What version (6, 8, SOLARIS, LINUX, HPUX, DARWIN)? ["$PTHREAD_DRAFT"] : " $POST_ECHO
read INPUT
echo
if test "'x$INPUT'" != "'x'"
then
	PTHREAD_DRAFT=$INPUT
fi
THREAD_CPPFLAGS="$THREAD_CPPFLAGS -DPTHREAD_DRAFT_"$PTHREAD_DRAFT

if test "'x$THREAD_CHANGED'" = "'xYES'"
then
if test "'x$PTHREAD_DRAFT'" = "'xLINUX'"
then
    LD_THREAD_LIBS="-lpthread"
else
if test "'x$PTHREAD_DRAFT'" = "'xSOLARIS'"
then
    LD_THREAD_LIBS="-lposix4 -lpthread"
else
if test "'x$PTHREAD_DRAFT'" = "'xDARWIN'"
then
    LD_THREAD_LIBS="-lpthread"
else
if test "'x$PTHREAD_DRAFT'" = "'xHPUX'"
then
    LD_THREAD_LIBS="-ldce"
else
    LD_THREAD_LIBS="-lpthread"
fi
fi
fi
fi
fi

case "$CPLUSPLUS_PROGRAM" in
*CC*)
    case "$version" in
    SC3*)   LDFLAGS_DEFAULT="-mt "$LDFLAGS_DEFAULT
	    COMPILER_THREAD_OPT="-mt"
	    LD_THREAD_OPT="-mt"
	    ;;
    *)	    COMPILER_THREAD_OPT="-D_REENTRANT"
	    LD_THREAD_OPT=""
	    ;;
    esac
esac

fi

if test "'x$THREAD_TYPE'" = "'xSolaris_Thread'"
then
    DEFAULT_THREAD_SYS="SOLARIS_THREAD"
    case "$CPLUSPLUS_PROGRAM" in
    *CC*)
	    case "$version" in
	    SC3*)   LDFLAGS_DEFAULT="-mt "$LDFLAGS_DEFAULT
		    COMPILER_THREAD_OPT="-mt"
		    LD_THREAD_OPT="-mt"
		    ;;
	    *)	LD_THREAD_LIBS="-lthread"
		COMPILER_THREAD_OPT="-D_REENTRANT"
		LD_THREAD_OPT=""
		    ;;
	    esac
	    ;;
    *)
	    LD_THREAD_LIBS="-lthread"
	    COMPILER_THREAD_OPT="-D_REENTRANT"
	    LD_THREAD_OPT=""
	    ;;
    esac
fi

if test "'x$THREAD_TYPE'" = "'xRex_Thread'"
then
DEFAULT_THREAD_SYS="REX_THREAD"
if test "'x$THREAD_CHANGED'" = "'xYES'"
then
    LD_THREAD_LIBS="-llwp"
fi
fi

if test "'x$THREAD_TYPE'" = "'xCPP_Task'"
then
DEFAULT_THREAD_SYS="CPP_TASK"
if test "'x$THREAD_CHANGED'" = "'xYES'"
then
    LD_THREAD_LIBS="-ltask"
fi
fi

if test "'x$THREAD_TYPE'" = "'xC_Thread'"
then
DEFAULT_THREAD_SYS="C_THREAD"
if test "'x$THREAD_CHANGED'" = "'xYES'"
then
    LD_THREAD_LIBS="-lcthreads"
fi

CTHREAD_THREADS=10
CTHREAD_STACK=10240


echo "CThreads places a limit on the number of threads in a process"
echo "and all threads must be assigned the same amount of stack space."
echo "These values must be chosen now; any attempts to change these"
echo "during the execution of an application will be ignored."
echo
echo $PRE_ECHO "Number of threads per process ["$CTHREAD_THREADS"] : " $POST_ECHO
read INPUT
echo
if test "'x$INPUT'" != "'x'"
then
	CTHREAD_THREADS=$INPUT
fi

echo $PRE_ECHO "Thread stack size ["$CTHREAD_STACK"] : " $POST_ECHO
read INPUT
echo
if test "'x$INPUT'" != "'x'"
then
	CTHREAD_STACK=$INPUT
fi

THREAD_CPPFLAGS="$THREAD_CPPFLAGS -DCTHREAD_STACK=$CTHREAD_STACK -DCTHREAD_THREADS=$CTHREAD_THREADS"

fi

if test "'x$THREAD_TYPE'" = "'xQuick_Thread'"
then
LD_THREAD_LIBS="-lqt"
BUILDFLAGS_DEFAULT=$BUILDFLAGS_DEFAULT" -DBUILD_QUICKTHREAD"
DEFAULT_THREAD_SYS="QUICK_THREAD"
BUILD_CONTRIB="YES"

STACK_TYPE=RedZone
echo "The QuickThread interface permits both the use of stacks allocated"
echo "by 'new', and by a mechanism that places red-zone protection around"
echo "each stack. The latter is much safer, but costs a little more than"
echo "one page of memory per stack"
echo
echo "Stack type:"
echo "Static		fixed allocation in heap"
echo "RedZone		allocated via RZStacks with red-zone protection,"
echo "			similarly to lwp_newstk()"
echo
echo $PRE_ECHO "Stack type ["$STACK_TYPE"] : " $POST_ECHO
read INPUT
echo
if test "'x$INPUT'" != "'x'"
then
	STACK_TYPE=$INPUT
fi

if test $STACK_TYPE = "RedZone"
then
    BUILDFLAGS_DEFAULT=$BUILDFLAGS_DEFAULT" -DBUILD_RZSTACKS -DUSE_RZSTACKS"
fi

fi

echo $PRE_ECHO "Thread library ["$LD_THREAD_LIBS"] : " $POST_ECHO
read INPUT
echo
if test "'x$INPUT'" != "'x'"
then  
	LD_THREAD_LIBS=$INPUT
fi

THREAD_CPPFLAGS=$THREAD_CPPFLAGS" -D$DEFAULT_THREAD_SYS"

echo "Scheduler queue type to use:"
echo "ProcessList		Linear linked-list"
echo "ProcessHeap		As described in the paper"
echo "Calendar		(See Contrib)"
echo "HashedList		A hashed scheme similar to the ProcessHeap"
echo
echo $PRE_ECHO "Queue type ["$QUEUE_DEFAULT"] : " $POST_ECHO
read INPUT
echo
if test "'x$INPUT'" != "'x'"
then
	QUEUE_DEFAULT=$INPUT
fi

if test "'x$QUEUE_DEFAULT'" = "'xCalendar'"
then
    BUILDFLAGS_DEFAULT=$BUILDFLAGS_DEFAULT" -DBUILD_CALENDAR"
    BUILD_CONTRIB="YES"
fi

BUILDFLAGS_DEFAULT=$BUILDFLAGS_DEFAULT" -D"$QUEUE_DEFAULT"_Queue"

if test $BUILD_CONTRIB = "YES"
then
    BUILDFLAGS_DEFAULT=$BUILDFLAGS_DEFAULT" -DBUILD_CONTRIB"
fi

(
for i in Examples Tests
do
    if [ -f $i/MakefileBoot.tmpl ]
    then
	echo Creating $i/MakefileBoot
	sed -e "s;CONFIGDIRECTORY;$INSTALL_TOPDIR_DEFAULT/include;" < $i/MakefileBoot.tmpl > $i/MakefileBoot
    fi
done
)

(
echo "/*"
echo " * Copyright (C) 1993, 1994, 1995, 1996"
echo " *"
echo " * Department of Computing Science,"
echo " * The University,"
echo " * Newcastle upon Tyne,"
echo " * UK."
echo " *"
echo " * \$Id\$"
echo " */"
echo
echo "/*"
echo " *  Configure.h"
echo " */"
echo
echo "#ifndef CONFIGURE_H_"
echo "#  define CONFIGURE_H_"
echo "#include <Config/"$M_CONFIG">"
echo "#include <Config/"$V_CONFIG">"
echo "#include <Config/"$S_CONFIG">"
echo "#include <Config/"$C_CONFIG">"
echo 
echo "#define OSNAME" $OS
echo "#define OSRELEASE" $RELEASE
echo "#define OSMAJOR" $OSMAJOR
echo "#define OSMINOR" $OSMINOR
echo "#define MACHINE_HW" \"$MACHINE\"
echo
echo $CROSS_COMPILE
echo "#define CPLUSPLUS_CROSS_PROGRAM" \"$CPLUSPLUS_NATIVE_COMPILER\"
echo
echo "#ifndef YES"
echo "#define YES 1"
echo "#endif"
echo
echo "#ifndef NO"
echo "#define NO  0"
echo "#endif"
echo
echo "/*"
echo " *  Make and Source configuration"
echo " */"
echo
echo "#ifndef VERBOSE_MAKE"
echo "#define VERBOSE_MAKE "$VERBOSE_MAKE
echo "#endif"
echo
echo "#ifndef TOPDIR_DEFAULT"
echo "#define TOPDIR_DEFAULT "$TOPDIR_DEFAULT
echo "#endif"
echo
echo "#ifndef PURIFY_PROGRAM"
echo "#define PURIFY_PROGRAM " \"$PURIFY_PROGRAM\"
echo "#endif"
echo
echo "#ifndef CPLUSPLUS_PROGRAM"
echo "#define CPLUSPLUS_PROGRAM " \"$CPLUSPLUS_PROGRAM\"
echo "#endif"
echo
echo "#ifndef CPLUSPLUS_INCLUDE_DEFAULT"
echo "#define CPLUSPLUS_INCLUDE_DEFAULT "$CPLUSPLUS_INCLUDE_DEFAULT
echo "#endif"
echo
echo "#ifndef CPPFLAGS_DEFAULT"
echo "#define CPPFLAGS_DEFAULT "$CPPFLAGS_DEFAULT
echo "#endif"
echo
echo "#ifndef CPLUSPLUSFLAGS_DEFAULT"
echo "#define CPLUSPLUSFLAGS_DEFAULT "$CPLUSPLUSFLAGS_DEFAULT
echo "#endif"
echo
echo "#ifndef LDFLAGS_DEFAULT"
echo "#define LDFLAGS_DEFAULT " $LDFLAGS_DEFAULT
echo "#endif"
echo
echo "#ifndef xLIBRARIES_DEFAULT"
echo "#define xLIBRARIES_DEFAULT " $LIBRARIES_DEFAULT
echo "#endif"
echo
echo "#ifndef BUILDFLAGS_DEFAULT"
echo "#define BUILDFLAGS_DEFAULT "$BUILDFLAGS_DEFAULT
echo "#endif"
echo
echo "/*"
echo " *  Thread system details"
echo " */"
echo
if test "'x$STACK_TYPE'" = "'xStatic'"
then
echo
echo "#define STATIC_STACK"
fi
echo
echo "/*"
echo " *  Scheduler queue details"
echo " */"
echo
echo "#define LINEAR 1"
echo "#define HEAP 2"
echo "#define CALENDAR 3"
echo "#define HASHED 4"
echo
echo "#ifndef Queue_Type"
echo "#define Queue_Type "$QUEUE_DEFAULT
echo "#endif"
echo
echo "/*"
echo " *  Thread system details"
echo " */"
echo
echo "#ifndef THREAD_TYPE"
echo "#define THREAD_TYPE "$THREAD_TYPE
echo "#endif"
echo
echo "#ifndef THREAD_CPPFLAGS_DEFAULT"
echo "#define THREAD_CPPFLAGS_DEFAULT " $THREAD_CPPFLAGS
echo "#endif"
echo
echo "#ifndef COMPILER_THREAD_FLAGS_DEFAULT"
echo "#define COMPILER_THREAD_FLAGS_DEFAULT " $COMPILER_THREAD_OPT
echo "#endif"
echo
echo "#ifndef THREAD_LDFLAGS_DEFAULT"
echo "#define THREAD_LDFLAGS_DEFAULT " $LD_THREAD_OPT
echo "#endif"
echo
echo "#ifndef THREAD_LDLIBS_DEFAULT"
echo "#define THREAD_LDLIBS_DEFAULT " $LD_THREAD_LIBS
echo "#endif"
echo
echo "/*"
echo " *  Installation details"
echo " */"
echo
echo "#ifndef INSTALL_TOPDIR_DEFAULT"
echo "#define INSTALL_TOPDIR_DEFAULT "$INSTALL_TOPDIR_DEFAULT
echo "#endif"
echo
echo "#endif"
) > $TOPDIR_DEFAULT/Include/Config/Configure.h

(
echo
echo Makefile :: TOPDIR_VAR/Include/Config/$M_CONFIG
echo
echo Makefile :: TOPDIR_VAR/Include/Config/$S_CONFIG
echo
echo Makefile :: TOPDIR_VAR/Include/Config/$C_CONFIG
echo
) > $TOPDIR_DEFAULT/Include/Config/MachineRules.h