@@ -5,9 +5,11 @@
 # https://www.boost.org/LICENSE_1_0.txt
 
 if(PROJECT_IS_TOP_LEVEL)
+    option(IRIS_TEST_ALLOY "test alloy" ON)
     if(IRIS_TEST_ALLOY)
         add_subdirectory(alloy)
     endif()
+    option(IRIS_TEST_X4 "test x4" ON)
     if(IRIS_TEST_X4)
         add_subdirectory(x4)
     endif()