AC_DEFUN([AM_PATH_BLUEZ], [	if (test "${prefix}" = "NONE"); then		bluez_prefix=${ac_default_prefix}	else		bluez_prefix=${prefix}	fi	AC_ARG_WITH(bluez, AC_HELP_STRING([--with-bluez=DIR], [BlueZ library is installed in DIR]), [		if (test "${withval}" != "yes"); then			bluez_prefix=${withval}		fi	])	ac_save_CPPFLAGS=$CPPFLAGS	ac_save_LDFLAGS=$LDFLAGS	BLUEZ_CFLAGS=""	test -d "${bluez_prefix}/include" && BLUEZ_CFLAGS="$BLUEZ_CFLAGS -I${bluez_prefix}/include"	CPPFLAGS="$CPPFLAGS $BLUEZ_CFLAGS"	AC_CHECK_HEADER(bluetooth/bluetooth.h,, AC_MSG_ERROR(Bluetooth header files not found))	BLUEZ_LIBS=""	if (test "${ac_default_prefix}" = "${bluez_prefix}"); then		test -d "${libdir}" && BLUEZ_LIBS="$BLUEZ_LIBS -L${libdir}"	else		test -d "${bluez_prefix}/lib64" && BLUEZ_LIBS="$BLUEZ_LIBS -L${bluez_prefix}/lib64"		test -d "${bluez_prefix}/lib" && BLUEZ_LIBS="$BLUEZ_LIBS -L${bluez_prefix}/lib"	fi	LDFLAGS="$LDFLAGS $BLUEZ_LIBS"	AC_CHECK_LIB(bluetooth, hci_open_dev, BLUEZ_LIBS="$BLUEZ_LIBS -lbluetooth", AC_MSG_ERROR(Bluetooth library not found))	AC_CHECK_LIB(bluetooth, sdp_connect,, AC_CHECK_LIB(sdp, sdp_connect, BLUEZ_LIBS="$BLUEZ_LIBS -lsdp"))	CPPFLAGS=$ac_save_CPPFLAGS	LDFLAGS=$ac_save_LDFLAGS	AC_SUBST(BLUEZ_CFLAGS)	AC_SUBST(BLUEZ_LIBS)])