--- CMakeLists.txt.orig	2023-01-24 08:53:17 UTC
+++ CMakeLists.txt
@@ -58,7 +58,9 @@ include(CTest)
 
 add_subdirectory(lib)
 add_subdirectory(demo)
+if (BUILD_TESTING)
 add_subdirectory(test)
+endif()
 if(LMFIT_CPPTEST)
     add_subdirectory(democpp)
 endif()