--- /dev/null
+diff -Naur a/regex/CMakeLists.txt b/regex/CMakeLists.txt
+--- a/regex/CMakeLists.txt 2018-06-08 09:56:29.000000000 +0000
++++ b/regex/CMakeLists.txt 2018-08-05 03:30:10.838781267 +0000
+@@ -15,6 +15,8 @@
+
+ INCLUDE_DIRECTORIES(${CMAKE_SOURCE_DIR}/include)
+
++INCLUDE(${MYSQL_CMAKE_SCRIPT_DIR}/compile_flags.cmake)
++
+ MY_CHECK_C_COMPILER_FLAG("-Wstringop-truncation" HAVE_STRINGOP_TRUNCATION)
+ IF(HAVE_STRINGOP_TRUNCATION)
+ ADD_COMPILE_FLAGS(