enven more tries

CMakeLists.txt

@@ -4,13 +4,29 @@ project(test_add_target)
 
 include(add_target.cmake)
 
-include(FetchContent)
-FetchContent_Declare(
-  cmake_test
-  GIT_REPOSITORY https://github.com/CMakePP/CMakeTest
-  GIT_TAG v0.1.14
-)
-FetchContent_MakeAvailable(cmake_test)
+macro(get_cmake_test)
+    include(cmake_test/cmake_test OPTIONAL RESULT_VARIABLE cmake_test_found)
+    if(NOT cmake_test_found)
+
+        # Store whether we are building tests or not, then turn off the tests
+        set(build_testing_old "${BUILD_TESTING}")
+        set(BUILD_TESTING OFF CACHE BOOL "" FORCE)
+        # Download CMakeTest and bring it into scope
+        include(FetchContent)
+        FetchContent_Declare(
+             cmake_test
+             GIT_REPOSITORY https://github.com/CMakePP/CMakeTest
+       )
+       FetchContent_MakeAvailable(cmake_test)
+
+       # Restore the previous value
+       set(BUILD_TESTING "${build_testing_old}" CACHE BOOL "" FORCE)
+    endif()
+endmacro()
+
+# Call the function we just wrote to get CMakeTest
+get_cmake_test()
+
 
 include(cmake_test/cmake_test)