--- ./libmariadb/CMakeLists.txt_orig	2019-06-17 06:03:27 +0000
+++ ./libmariadb/CMakeLists.txt	2019-06-17 06:04:34 +0000
@@ -302,7 +302,6 @@
   IF(ICONV_INCLUDE_DIR)
      INCLUDE_DIRECTORIES(BEFORE ${ICONV_INCLUDE_DIR}) 
   ENDIF()
-  ADD_DEFINITIONS(-DLIBICONV_PLUG)
 ENDIF()
 
 IF(ZLIB_FOUND AND WITH_EXTERNAL_ZLIB)