Server does not compile on labrador: include/mysql_com.h:588: error: 'ulong' does not name a type

[ 92%] Building CXX object sql/CMakeFiles/sql.dir/wsrep_sst.cc.o

/private/var/lib/buildslave/maria-slave/labrador/build/sql/wsrep_hton.cc: In function 'wsrep_trx_status wsrep_run_wsrep_commit(THD*, bool)':

/private/var/lib/buildslave/maria-slave/labrador/build/sql/wsrep_hton.cc:555: warning: NULL used in arithmetic

In file included from /private/var/lib/buildslave/maria-slave/labrador/build/include/mysql.h:73,

                 from /private/var/lib/buildslave/maria-slave/labrador/build/sql/wsrep_sst.h:23,

                 from /private/var/lib/buildslave/maria-slave/labrador/build/sql/wsrep_sst.cc:16:

/private/var/lib/buildslave/maria-slave/labrador/build/include/mysql_com.h:588: error: 'ulong' does not name a type

[ 92%] Building CXX object sql/CMakeFiles/sql.dir/wsrep_utils.cc.o

Linking CXX static library libsql_embedded.a

/private/var/lib/buildslave/maria-slave/labrador/build/sql/wsrep_mysqld.cc: In function 'bool abort_replicated(THD*)':

/private/var/lib/buildslave/maria-slave/labrador/build/sql/wsrep_mysqld.cc:1934: warning: format '%lu' expects type 'long unsigned int', but argument 4 has type '_opaque_pthread_t*'

/private/var/lib/buildslave/maria-slave/labrador/build/sql/wsrep_mysqld.cc:1934: warning: format '%lu' expects type 'long unsigned int', but argument 4 has type '_opaque_pthread_t*'

make[2]: *** [sql/CMakeFiles/sql.dir/wsrep_sst.cc.o] Error 1

make[2]: *** Waiting for unfinished jobs....

make[1]: *** [sql/CMakeFiles/sql.dir/all] Error 2

make[1]: *** Waiting for unfinished jobs....