Add MariaDB Connector/C as a built-in alternative (v3.2.3).

vendor/MDBC/plugins/pvio/CMakeLists.txt

@@ -0,0 +1,27 @@
+SET(PVIO_DIR ${CC_SOURCE_DIR}/plugins/pvio)
+
+INCLUDE_DIRECTORIES(${PVIO_DIR})
+INCLUDE_DIRECTORIES(${CC_SOURCE_DIR}/include)
+
+#native password
+REGISTER_PLUGIN(TARGET pvio_socket
+                TYPE MARIADB_CLIENT_PLUGIN_PVIO
+                CONFIGURATIONS STATIC DYNAMIC DEFAULT
+                DEFAULT STATIC
+                SOURCES ${CC_SOURCE_DIR}/plugins/pvio/pvio_socket.c)
+
+IF(WIN32)
+  # named pipe
+  REGISTER_PLUGIN(TARGET pvio_npipe
+                TYPE MARIADB_CLIENT_PLUGIN_PVIO
+                CONFIGURATIONS STATIC DYNAMIC DEFAULT
+                DEFAULT DYNAMIC
+                SOURCES ${CC_SOURCE_DIR}/plugins/pvio/pvio_npipe.c)
+
+  # shared memory
+  REGISTER_PLUGIN(TARGET pvio_shmem
+                TYPE MARIADB_CLIENT_PLUGIN_PVIO
+                CONFIGURATIONS STATIC DYNAMIC DEFAULT
+                DEFAULT DYNAMIC
+                SOURCES ${CC_SOURCE_DIR}/plugins/pvio/pvio_shmem.c)
+ENDIF()