diff -uNr a/src/third_party/backup/CMakeLists.txt b/src/third_party/backup/CMakeLists.txt
--- a/src/third_party/backup/CMakeLists.txt	2018-07-06 20:36:58.242767167 +0200
+++ b/src/third_party/backup/CMakeLists.txt	2018-07-06 20:37:31.575390786 +0200
@@ -1,11 +1,6 @@
 cmake_minimum_required(VERSION 2.8.8)
 project(HotBackup)
 
-# No implicit templates, since that's how mysql compiles.
-if (NOT CMAKE_CXX_COMPILER_ID MATCHES Clang)
-  set(CMAKE_CXX_FLAGS "-fno-implicit-templates  ${CMAKE_CXX_FLAGS}")
-endif ()
-
 set_property(DIRECTORY APPEND PROPERTY COMPILE_DEFINITIONS 
   _FILE_OFFSET_BITS=64 
   _LARGEFILE64_SOURCE)