AC_SUBST(KEYUTILS_LIBS)

AC_CHECK_HEADERS([keyutils.h],

[AC_CHECK_LIB([keyutils], [add_key],

[AC_DEFINE(USE_KEYRING, 1, [Define if the keyring should be used])

KEYUTILS_LIBS="-lkeyutils"

],

[AC_MSG_WARN([No usable keyutils library found])]

)],

[AC_MSG_WARN([keyutils header files are not available])]

)