MYSQL_STORAGE_ENGINE(heap,no,   [Memory Storage Engine],
        [Volatile memory based tables])
MYSQL_PLUGIN_DIRECTORY(heap,    [storage/heap])
MYSQL_PLUGIN_STATIC(heap,       [libheap.a])
MYSQL_PLUGIN_MANDATORY(heap)    dnl Memory tables
MYSQL_PLUGIN_DEPENDS_ON_MYSQL_INTERNALS(heap, [ha_heap.cc])