cmake add ECL_TESTS option only enabled in standalone build

validation/CMakeLists.txt

@@ -39,9 +39,8 @@ add_dependencies(ecl_validation prebuild_targets)
 target_compile_definitions(ecl_validation PRIVATE -DMODULE_NAME="ecl/validation")
 target_include_directories(ecl_validation PUBLIC ${ECL_SOURCE_DIR})
 
-if(BUILD_TESTING)
+if(ECL_TESTS)
 	add_definitions(-UNDEBUG) # keep assert
 
 	add_subdirectory(tests)
 endif()
-

validation/tests/CMakeLists.txt

@@ -35,5 +35,5 @@ add_executable(ecl_tests_data_validator test_data_validator.cpp)
 target_link_libraries(ecl_tests_data_validator ecl_validation)
 
 add_test(NAME ecl_tests_data_validator
-        COMMAND ecl_tests_data_validator
-        )
+	COMMAND ecl_tests_data_validator
+)