--- CMakeLists.txt.orig	2020-02-22 22:31:07 UTC
+++ CMakeLists.txt
@@ -64,4 +64,6 @@ install(FILES ${NFLLIB_HDRS_3} DESTINATION include/nfl
 install(FILES ${NFLLIB_HDRS_4} DESTINATION include/nfl/opt/arch)
 install(FILES ${NFLLIB_PRNG_HDRS} DESTINATION include/nfl/prng)
 
+if (BUILD_TESTING)
 add_subdirectory(tests)
+endif()