5 AC_DEFUN([lldp_CHECK_JANSSON], [
6 PKG_CHECK_MODULES([JANSSON], [jansson >= 2], [],
7 [AC_MSG_ERROR([*** unable to find libjansson])])
9 AC_SUBST([JANSSON_LIBS])
10 AC_SUBST([JANSSON_CFLAGS])
11 AC_DEFINE_UNQUOTED([USE_JSON], 1, [Define to indicate to enable JSON support])