-diff -ur percona-server-5.7.28-31.orig/cmake/build_configurations/compiler_options.cmake percona-server-5.7.28-31/cmake/build_configurations/compiler_options.cmake
---- percona-server-5.7.28-31.orig/cmake/build_configurations/compiler_options.cmake 2019-12-16 22:33:24.884000000 +0100
-+++ percona-server-5.7.28-31/cmake/build_configurations/compiler_options.cmake 2019-12-16 22:34:14.208000000 +0100
-@@ -32,17 +32,17 @@
- SET(64BIT 1)
- ENDIF()
-
--SET(CMAKE_CXX_STANDARD 98)
-+SET(CMAKE_CXX_STANDARD 11)
-
- # Compiler options
- IF(UNIX)
-- MY_CHECK_CXX_COMPILER_FLAG("-std=gnu++03" GNU03_SUPPORTED)
-+ MY_CHECK_CXX_COMPILER_FLAG("-std=gnu++11" GNU11_SUPPORTED)
-
-- IF(GNU03_SUPPORTED)
-+ IF(GNU11_SUPPORTED)
- IF(CMAKE_VERSION VERSION_LESS 3.1.0)
-- SET(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std=gnu++03")
-+ SET(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std=gnu++11")
- ELSE()
-- SET(CMAKE_CXX98_EXTENSION_COMPILE_OPTION -std=gnu++03)
-+ SET(CMAKE_CXX11_EXTENSION_COMPILE_OPTION -std=gnu++11)
- ENDIF()
- ENDIF()
-
-@@ -68,8 +68,8 @@
+--- mysql-5.7.27/cmake/build_configurations/compiler_options.cmake.orig 2019-06-10 16:43:20.000000000 +0200
++++ mysql-5.7.27/cmake/build_configurations/compiler_options.cmake 2019-07-29 05:55:55.892824445 +0200
+@@ -50,8 +50,8 @@