have_hal=no
  AC_MSG_CHECKING(for the HAL)

  AC_ARG_ENABLE([k3bdevices], 
                AC_HELP_STRING([--enable-k3bdevices], 
                [do not activate hal/dbus support (use k3bdevice instead)]),
                [enable_hal=no], 
                [enable_hal=yes])


  if test x"$enable_hal" = xyes; then
	hal_inc=NOTFOUND
	hal_lib=NOTFOUND
	hal=NOTFOUND
	
	search_incs="$kde_includes /usr/include /usr/include/hal /usr/local/include /usr/local/include/hal"
	AC_FIND_FILE(libhal.h libhal-storage.h, $search_incs, hal_incdir)
	
	if [test -r $hal_incdir/libhal.h] ; then
	HAL_INCS="-I$hal_incdir"
	hal_inc=FOUND
	fi
	
	if test -r $hal_incdir/libhal-storage.h ; then
	hal_storage_version=4
	grep LibHalVolume $hal_incdir/libhal-storage.h \
	> /dev/null 2>&1 && hal_storage_version=5
	if test $hal_storage_version = 4 ; then
	AC_DEFINE(HAL_0_4, , [HAL API version 0.4])
	fi
	fi
	
	search_libs="$kde_libraries /usr/lib64 /usr/lib /usr/local/lib /lib /lib64"
	AC_FIND_FILE(libhal.so, $search_libs, hal_libdir)
	
	if [test -r $hal_libdir/libhal.so] ; then
	HAL_LIBS="-L$hal_libdir -lhal"
	hal_lib=FOUND
	fi
	
	if [test -r $hal_libdir/libhal-storage.so] ; then
	HAL_LIBS_STORAGE="-L$hal_libdir -lhal-storage"
	hal_lib_storage=FOUND
	fi
	
	if [test $hal_inc = FOUND] && [test $hal_lib = FOUND] ; then
	AC_MSG_RESULT(headers $hal_incdir  libraries $hal_libdir)
		hal=FOUND
	else
	AC_MSG_RESULT(searched but not found)
	AC_MSG_ERROR(libhal may be missing) 
	fi
	
	AC_SUBST(HAL_INCS)
	AC_SUBST(HAL_LIBS)
	
	
	########### Check for DBus
	
	AC_MSG_CHECKING(for DBus)
	
	dbus_inc=NOTFOUND
	dbus_lib=NOTFOUND
	dbus=NOTFOUND
	
	search_incs="$kde_includes /usr/include /usr/include/dbus-1.0 /usr/local/include /usr/local/include/dbus-1.0"
	AC_FIND_FILE(dbus/dbus.h, $search_incs, dbus_incdir)
	
	search_incs_arch_deps="$kde_includes /usr/lib64/dbus-1.0/include /usr/lib/dbus-1.0/include /usr/local/lib/dbus-1.0/include"
	AC_FIND_FILE(dbus/dbus-arch-deps.h, $search_incs_arch_deps, dbus_incdir_arch_deps)
	
	if [test -r $dbus_incdir/dbus/dbus.h] && [test -r $dbus_incdir_arch_deps/dbus/dbus-arch-deps.h] ; then
	DBUS_INCS="-I$dbus_incdir -I$dbus_incdir_arch_deps"
	dbus_inc=FOUND
	fi
	
	search_libs="$kde_libraries /usr/lib64 /usr/lib /usr/local/lib /lib /lib64"
	AC_FIND_FILE(libdbus-1.so, $search_libs, dbus_libdir)
	
	if test -r $dbus_libdir/libdbus-1.so ; then
	DBUS_LIBS="-L$dbus_libdir -ldbus-1"
	dbus_lib=FOUND
	fi
	
	if [test $dbus_inc = FOUND] && [test $dbus_lib = FOUND] ; then
	AC_MSG_RESULT(headers $dbus_incdir $dbus_incdir_arch_deps  libraries $dbus_libdir)
	dbus=FOUND
	else
	AC_MSG_RESULT(searched but not found)
	AC_MSG_ERROR(dbus may be missing) 
	fi
	
	AC_SUBST(DBUS_INCS)
	AC_SUBST(DBUS_LIBS)
	
	
	########### Check if media HAL backend should be compiled
	
	HAL_DBUS_LIBS=""
	if [test "x$hal" = "xFOUND"] && [test "x$dbus" = "xFOUND"] &&  [ test $hal_storage_version = 5 ] ; then
	AC_DEFINE(HAVE_HAL, , [compile in HAL support])
	have_hal=yes
	HAL_DBUS_LIBS="$HAL_LIBS $HAL_LIBS_STORAGE $DBUS_LIBS"
	fi
	
	AC_SUBST(HAL_DBUS_LIBS)
else
	search_incs="$kde_includes /usr/include /usr/local/include"
	AC_FIND_FILE(k3bdevice.h, $search_incs, k3b_incdir)
	
	if [test -r $k3b_incdir/k3bdevice.h] ; then
		k3b_inc=FOUND
	fi
		
	search_libs="$kde_libraries /usr/lib64 /usr/lib /usr/local/lib /lib /lib64"
	AC_FIND_FILE(libk3bdevice.so, $search_libs, k3b_libdir)
	
	if [test -r $k3b_libdir/libk3bdevice.so] ; then
		K3B_LIBS="-lk3bdevice"
		k3b_lib=FOUND
	fi
		
	if [test $k3b_inc = FOUND] && [test $k3b_lib = FOUND] ; then
		AC_MSG_RESULT(headers $k3b_incdir  libraries $k3b_libdir)
		k3b=FOUND
	else
		AC_MSG_RESULT(libk3bdevice searched but not found)
		AC_MSG_ERROR(libk3bdevice may be missing) 
	fi
	
	AC_SUBST(K3B_LIBS)
	
fi