#Symlink Makefiles
case `uname -s` in
Darwin)
	ln -sf Makefile.macosx Makefile
	ln -sf Makefile.macosx src/Makefile
	
	#this should be set as a default if no option is specified and set via options otherwise
	USE_AGL=1
	;;
Linux)
	ln -sf Makefile.linux Makefile
	ln -sf Makefile.linux src/Makefile
	
	#this should be set as a default if no option is specified and set via options otherwise
	USE_GLX=1
	HAVE_XF86VIDMODE=1
	;;
esac

#Generate config.h
CONFIGFILE="src/config.h"

#Write Header
echo "#ifndef CONFIG_H
#define CONFIG_H
" > $CONFIGFILE

#Check for GLX ie X11
if [ $USE_GLX ]; then
	echo "#define USE_GLX" >> $CONFIGFILE
	if [ $HAVE_XF86VIDMODE ]; then
		echo "#define HAVE_XF86VIDMODE" >> $CONFIGFILE
	fi
fi

#Check for AGL
if [ $USE_AGL ]; then
	echo "#define USE_AGL" >> $CONFIGFILE
fi

#Check for CGL
if [ $USE_CGL ]; then
	echo "#define USE_CGL" >> $CONFIGFILE
fi

#Check for WGL
if [ $USE_WGL ]; then
	echo "#define USE_WGL" >> $CONFIGFILE
fi

#Write Footer
echo "
#endif
" >> $CONFIGFILE