[  8%] Building CXX object driver/CMakeFiles/mysqlcppconn.dir/mysql_resultbind.cpp.o
/root/git/MetricBench.perclab/build/mysql-connector-cpp/driver/mysql_resultbind.cpp: In function ‘sql::mysql::st_buffer_size_type sql::mysql::allocate_buffer_for_field(const MYSQL_FIELD*)’:
/root/git/MetricBench.perclab/build/mysql-connector-cpp/driver/mysql_resultbind.cpp:89:10: error: ‘MYSQL_TYPE_JSON’ was not declared in this scope
     case MYSQL_TYPE_JSON:
          ^
driver/CMakeFiles/mysqlcppconn.dir/build.make:284: recipe for target 'driver/CMakeFiles/mysqlcppconn.dir/mysql_resultbind.cpp.o' failed
make[2]: *** [driver/CMakeFiles/mysqlcppconn.dir/mysql_resultbind.cpp.o] Error 1
CMakeFiles/Makefile2:92: recipe for target 'driver/CMakeFiles/mysqlcppconn.dir/all' failed
make[1]: *** [driver/CMakeFiles/mysqlcppconn.dir/all] Error 2
Makefile:137: recipe for target 'all' failed
make: *** [all] Error 2

This can be fixed by checking for the MYSQL_TYPE_JSON at compile time and optionally including those switch/case conditionals only if detected in the underlying C API.