#!/bin/bash
#if [ "$UID" = 0 ]; then echo "Please don't run configure as root"; exit 1; fi

LINUX=0
MACOSX=0

if [ `uname` = "Linux" ]; then
	LINUX=1
	OSTYPE=LINUX
	CPPFLAGS="-DLINUX"
fi
if [ `uname` = "Darwin" ]; then
	MACOSX=1
	CPPFLAGS="-DMACOSX"
	OSTYPE=MACOSX
fi

if [ ! $CXX ]; then
	echo "No 'CXX' environment variable found, using g++.";
	CXX="g++"
fi

if [ ! $CC ]; then
	echo "No 'CC' environment variable found, using gcc.";
	CC="gcc"
fi

if [ ! -x `which $CXX` ]; then
	echo "Can't execute C++ compiler '$CXX'.";
	exit 1;
else	
	echo "Using C++ compiler: $CXX"
fi

if [ ! -x `which $CC` ]; then
	echo "Can't execute C++ compiler '$CC'.";
	exit 1;
else	
	echo "Using C compiler: $CC"
fi

GCC_VERSION=`$CXX --version`

echo -n "Checking for Qt 3.x ... "
for GUESS_QTDIR in `ls /usr/lib/ | grep -E "qt3|qt-3"`; do
	if [ -d /usr/lib/$GUESS_QTDIR/include -a  -d /usr/lib/$GUESS_QTDIR/lib -a -f /usr/lib/$GUESS_QTDIR/bin/moc ]; then
		QT_INCLUDE="-I /usr/lib/$GUESS_QTDIR/include"
		QT_LIB="-L /usr/lib/$GUESS_QTDIR/lib -lqt-mt" ;
		MOC="/usr/lib/$GUESS_QTDIR/bin/moc" ;
	fi ;
done ;
if [ ! "$QT_INCLUDE" ]; then
	echo -e "\n\n*** Qt 3.x not found.  I'll make some educated guesses.  If this doesn't work, please set QT_INCLUDE, QT_LIB, MOC by hand in the file global.mk.\n\a"
	#exit 1
	QT_INCLUDE="-I/usr/include/qt3";
	QT_LIB="-lqt-mt" ;
	MOC="moc-qt3" ;
else
	echo "Ok" ;
fi

ARIASUPPORT="0"
echo -n "Checking for Aria libs "
for GUESS_ARIADIR in `ls /usr/local/ | grep -E "Aria"`; do
	if [ -d /usr/local/$GUESS_ARIADIR/include -a  -d /usr/local/$GUESS_ARIADIR/lib ]; then
		ARIA_INCLUDE="-I/usr/local/$GUESS_ARIADIR/include"
		ARIA_LIB="-L/usr/local/$GUESS_ARIADIR/lib -lAria"
		ARIASUPPORT="1"
	fi ;
done ;

if [ ! "$ARIA_INCLUDE" ]; then
	echo -e "\n\n*** ARIA not found, please set ARIA_INCLUDE and ARIA_LIB by hand\n\a"
else
	echo "Ok" ;
fi

#echo -n "Checking for Gsl libs "
#if [ "$OSTYPE" = "LINUX" ]; then
#	GSL_LIB="-lgsl -lgslcblas"
#	GSL_INCLUDE="-I/usr/include/"
#fi
#if [ "$OSTYPE" = "MACOSX" ]; then
#	GSL_LIB="-L/sw/lib -lgsl -lgslcblas"
#	GSL_INCLUDE="-I/sw/include"
#fi
#
#if [ ! "$GSL_INCLUDE" ]; then
#	echo -e "\n\n*** GSL not found, please set GSL_INCLUDE and GSL_LIB by hand\n\a"
#else
#	echo "Ok" ;
#fi


# echo -n "Checking for KDE 3.x includes ... "
# for GUESS_KDE_INCLUDE in /usr/include/kde /usr/include/kde3 /opt/kde3/include /opt/kde/include; do
# 	if [ -d $GUESS_KDE_INCLUDE ]; then
# 		KDE_INCLUDE="-I$GUESS_KDE_INCLUDE"
# 	fi ;
# done ;
# 
# if [ ! "$KDE_INCLUDE" ]; then
# 	echo -e "\n\n*** KDE 3.x includes not found please set KDE_INCLUDE by hand\n\a"
# 	exit 1
# else
# 	echo "Ok" ;
# fi
# 
# echo -n "Checking for KDE 3.x libs ... "
# for GUESS_KDE_LIB in /usr/lib/kde3 /opt/kde3/lib; do
# 	if [ -d $GUESS_KDE_LIB ]; then
# 		KDE_LIB="-L$GUESS_KDE_LIB -lkdeui"
# 	fi ;
# done ;
# 
# if [ ! "$KDE_LIB" ]; then
# 	echo -e "\n\n*** KDE 3.x libs not found please set KDE_LIBS by hand\n\a"
# 	exit 1
# else
# 	echo "Ok" ;
# fi


# echo -n "Checking for uic ... "
# for GUESS_UIC in `ls /usr/bin/ | grep -E "uic|uic3"`; do
# 	if [ -f /usr/bin/$GUESS_UIC ]; then
# 		UIC=$GUESS_UIC;
# 	fi ;
# done ;
# 
# if [ ! "$UIC" ]; then
# 	echo -e "\n\n*** uic  not found please set UIC by hand\n\a"
# 	exit 1
# else
# 	echo "Ok" ;
# fi

MAPPING_ROOT=`pwd`


BINDIR=$MAPPING_ROOT/bin
echo -n "Checking bin directory $BINDIR ... "
if [ ! -d $BINDIR ]; then
	mkdir $BINDIR
	echo "created."
else
	echo "Ok."
fi

LIBDIR=$MAPPING_ROOT/lib
echo -n "Checking lib directory $LIBDIR ... "
if [ ! -d $LIBDIR ]; then
	mkdir $LIBDIR
	echo "created."
else
	echo "Ok."
fi

CARMENFLAG=""
CARMENSUPPORT="0"
CARMEN_LIBS="libnavigator_interface.a libipc.a librobot_interface.a liblaser_interface.a libsimulator_interface.a liblocalize_interface.a libreadlog.a libwritelog.a libglobal.a libipc.a" 
if [ ! "$CARMEN_HOME" ]; then
	echo -e "Carmen NOT FOUND."
	echo -e "If you have a carmen version installed please set the"
	echo -e "CARMEN_HOME variable to the carmen path."
else
	if [ -d $CARMEN_HOME ]; then
		echo -e "carmen found in $CARMEN_HOME, enabling support"
		CARMENFLAG="-DCARMEN_SUPPORT"
		echo -e "generating shared objects"
		for CARMEN_OBJECT in $CARMEN_LIBS ; do
			if [ -f $CARMEN_HOME/lib/$CARMEN_OBJECT ]; then
				cp $CARMEN_HOME/lib/$CARMEN_OBJECT $LIBDIR
				./build_tools/generate_shared_object $LIBDIR/$CARMEN_OBJECT
				rm $LIBDIR/$CARMEN_OBJECT
			else
				echo -e "Compile carmen first "$CARMEN_HOME/lib/$CARMEN_OBJECT"  not found"
				exit -1
			fi
		done;
		CARMENSUPPORT="1"
	else
		echo -e "CARMEN_HOME=$CARMEN_HOME does not exist, disabling support\n"
	fi
fi	

CONFIG=global.mk
rm -f $CONFIG

cat << EOF > $CONFIG
### You should not need to change anything below.
LINUX=$LINUX
MACOSX=$MACOSX

# Compilers
CC=$CC
CXX=$CXX

# Paths
MAPPING_ROOT=$MAPPING_ROOT
LIBDIR=$LIBDIR
BINDIR=$BINDIR

# Build tools
PRETTY=$MAPPING_ROOT/build_tools/pretty_compiler
MESSAGE=$MAPPING_ROOT/build_tools/message
TESTLIB=$MAPPING_ROOT/build_tools/testlib

# QT support
MOC=$MOC
QT_LIB=$QT_LIB
QT_INCLUDE=$QT_INCLUDE

# ARIA support
ARIA_LIB=$ARIA_LIB
ARIA_INCLUDE=$ARIA_INCLUDE


# # KDE support
# KDE_LIB=$KDE_LIB
# KDE_INCLUDE=$KDE_INCLUDE
# UIC=$UIC

# Generic makefiles
MAKEFILE_GENERIC=$MAPPING_ROOT/build_tools/Makefile.generic-shared-object
MAKEFILE_APP=$MAPPING_ROOT/build_tools/Makefile.app
MAKEFILE_SUBDIRS=$MAPPING_ROOT/build_tools/Makefile.subdirs


# Flags
CPPFLAGS+=$CPPFLAGS -I$MAPPING_ROOT $CARMENFLAG
CXXFLAGS+=$CXXFLAGS
LDFLAGS+=$LDFLAGS -Xlinker -rpath $MAPPING_ROOT/lib
CARMENSUPPORT=$CARMENSUPPORT
ARIASUPPORT=$ARIASUPPORT

$OTHER

include $MAPPING_ROOT/manual.mk

EOF