#!/bin/sh

if [ "$help" = "1" ]
then
	cat << EOF
QImage options:

  --force-qt3		  - Force compile against Qt3 if Qt4 is present on the system
  --qimage-libdir         - Location of QT lib directory [/usr/lib/qt4 or /usr/lib/qt3]
  --qimage-includedir     - Location of QT include directory [/usr/include/qt4 or /usr/include/qt3]
  --kde-libdir            - Location of KDE lib directory [/usr/lib]
  --kde-includedir        - Location of KDE include directory [/usr/include/kde]

EOF

else
	targetos=$(uname -s)
	case $targetos in
	MINGW32*)
		export LIBSUF=.dll
		;;
	Darwin)
		export LIBSUF=.dylib
		;;
	Linux|FreeBSD)
		export LIBSUF=.so
		;;
	*)
		;;
	esac

	qimage_includedir=/usr/include/qt4
	qimage_libdir=/usr/lib/qt4

	if [ ! -d "$qimage_libdir" -o ! -d "$qimage_includedir" ]
	then
		qimage_includedir=/usr/include/qt3
		qimage_libdir=/usr/lib/qt3
		kde_includedir=/usr/include/kde
		kde_libdir=/usr/lib
		if [ "$KDEDIR" != "" ]
		then
			kde_includedir="$KDEDIR/include"
			kde_libdir="$KDEDIR"
		fi
	fi

	if [ "$QTDIR" != "" ]
	then
		qimage_includedir="$QTDIR/include"
		qimage_libdir="$QTDIR/lib"
	fi

	export force_qt3=
	export qt4_found=

	for i in "$@"
	do
		case $i in
			--qimage-libdir=* )	qimage_libdir="${i#--qimage-libdir=}" ;;
			--qimage-includedir=* )	qimage_includedir="${i#--qimage-includedir=}" ;;
			--kde-libdir=* )	kde_libdir="${i#--kde-libdir=}" ;;
			--kde-includedir=* )	kde_includedir="${i#--kde-includedir=}" ;;
			--force-qt3 )		force_qt3="true" ;;
		esac
	done

	pkg-config --exists 'QtGui >= 4'
	if [ $? -eq 0 ] && [ "$force_qt3" = "" ]
	then
		echo "Qt version 4.x detected, will compile Qt4 qimage producer"
		qt4_found=true
		echo "#define USE_QT4" > config.h
		echo "USE_QT4=1" > config.mak
		echo QTCXXFLAGS=$(pkg-config --cflags QtGui) >> config.mak
		echo QTLIBS=$(pkg-config --libs QtGui) >> config.mak
		
	elif [ -d "$qimage_libdir" -a -d "$qimage_includedir" ]
	then

		# test if we have a Qt3 or Qt4
		if [ -f "$qimage_libdir/libQtCore.so" ] || [ -d "$qimage_libdir/QtGui.framework" ] && [ "$force_qt3" = "" ]
		then
			echo "Qt version 4.x detected, will compile Qt4 qimage producer"
			qt4_found=true
		else
			echo "Qt version 3.x detected, will compile Qt3 qimage producer"
		fi

		echo "Include directory: " $qimage_includedir

		echo > config.h
		echo > config.mak
		if [ "$qt4_found" != "" ] && [ "$force_qt3" = "" ]
		then
			echo "#define USE_QT4" >> config.h
			echo "USE_QT4=1" >> config.mak
			if [ -d "$qimage_libdir/QtGui.framework" ]
			then
				echo QTCXXFLAGS=$(pkg-config --cflags QtGui) >> config.mak
				echo QTLIBS=$(pkg-config --libs QtGui) >> config.mak
			else
				echo QTCXXFLAGS=-I$qimage_includedir >> config.mak
				echo QTLIBS=-L$qimage_libdir -lQtGui >> config.mak
			fi
		else 
		    if [ -d "$kde_includedir" ]
		    then 
			    echo "#define USE_KDE" >> config.h
			    echo "USE_KDE=1" >> config.mak
			    echo "#define USE_QT3" >> config.h
			    echo "USE_QT3=1" >> config.mak
			    echo QTCXXFLAGS=-I$qimage_includedir -I$kde_includedir -DQT_THREAD_SUPPORT >> config.mak
			    echo QTLIBS=-L$qimage_libdir -L$kde_libdir/lib -lqt-mt >> config.mak
		    else 
			    echo "qimage: KDE environment not found - disabling extra image formats"
			    echo "#define USE_QT3" >> config.h
			    echo "USE_QT3=1" >> config.mak
			    echo QTCXXFLAGS=-I$qimage_includedir -DQT_THREAD_SUPPORT>> config.mak
			    echo QTLIBS=-L$qimage_libdir -lqt-mt >> config.mak
		    fi
		fi
	else
		echo "qimage: QT environment not found - disabling"
		touch ../disable-qimage
	fi

fi