# Check if opengl implementation directory exists

		if [[ ! -d ${PREFIX}/${libdir}/opengl/${gl_implem}/lib ]] ; then

			continue

		fi

		# Clear up existing symlinks from /usr/lib to /usr/lib/opengl/*/lib/lib{EGL*,GL*,OpenVG,OpenGL}.{la,a,so*} 

		pushd ${PREFIX#${ROOT}}/${libdir} &>/dev/null

		local avail_gl_implem

		for avail_gl_implem in ${avail_implems}; do

			local avail_gl_libdir="${PREFIX#${ROOT}}/${libdir}/opengl/${avail_gl_implem}/lib"

			[[ ! -d ${avail_gl_libdir} ]] && continue

			for libfile in lib{EGL*,GL*,OpenVG,OpenGL}.{la,a,so*} ; do

				if [[ ! -f ${libfile} ]] || [[ ! -h ${libfile} ]] ; then

					continue

				fi

				local target_dir="$(dirname $( readlink -q ${libfile} ) )"

				if [[ "${target_dir}" == "${avail_gl_libdir}" ]]; then

					rm -f "${libfile}" &>/dev/null

				fi

			done

			popd &>/dev/null

		done

		# Create symlinks from /usr/lib to /usr/lib/opengl/<NEW GL PROVIDER>/lib/lib{EGL*,GL*,OpenVG,OpenGL}.{la,a,so*} 

		pushd ${PREFIX#${ROOT}}/${libdir}/opengl/${gl_implem}/lib/ &>/dev/null

		for libfile in lib{EGL*,GL*,OpenVG,OpenGL}.{la,a,so*} ; do

			[[ ! -f ${libfile} ]] && continue

			local target_lib="$(basename $( readlink -qf ${libfile} ) )"

			ln -sf ${PREFIX#${ROOT}}/${libdir}/opengl/${gl_implem}/lib/${target_lib} ${PREFIX#${ROOT}}/${libdir}/${libfile}

		done

		popd &>/dev/null