--- a/src/core/CMakeLists.txt	2019-07-04 21:15:26.000891815 +0200
+++ b/src/core/CMakeLists.txt	2019-07-04 21:15:26.005891858 +0200
@@ -13,4 +13,6 @@
 	CACHE INTERNAL EXPORTEDVARIABLE
 )
 
+if(BUILD_TESTING)
 add_subdirectory(tests)
+endif()