snmp_agent plugin was added in version 5.8.0 by
8aba9d6e33
It depends on "struct tree" (from net-snmp/library/parse.h) which is
included if BR2_PACKAGE_NETSNMP_ENABLE_MIBS is set
Fix this error by updating configure.ac to check for get_tree in
addition to init_agent
Fixes:
- http://autobuild.buildroot.org/results/3e24a7671e65974815072f92efaa490d2950b3d9
Signed-off-by: Fabrice Fontaine <fontaine.fabrice@gmail.com>
Tested-by: Bernd Kuhls <bernd.kuhls@t-online.de>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>
