diff --git a/CMakeLists.txt b/CMakeLists.txt
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -149,5 +149,6 @@ add_subdirectory(nad)
 add_subdirectory(src)
 add_subdirectory(man)
 add_subdirectory(cmake)
-add_subdirectory(test)
-
+if(PROJ4_TESTS)
+  add_subdirectory(test)
+endif(PROJ4_TESTS)