use new symlinks for reference and result files

tests/meta/CMakeLists.txt

@@ -1,6 +1,15 @@
 INCLUDE(PythonEnvironment)
 GET_PYTHON_ENV()
 
+# working directory of tester should be binary dir so link data folders
+IF (NOT EXISTS ${CMAKE_CURRENT_BINARY_DIR}/reference_results)
+    FILE(COPY ${CMAKE_CURRENT_SOURCE_DIR}/reference_results DESTINATION ${CMAKE_CURRENT_BINARY_DIR})
+ENDIF()
+IF (NOT EXISTS ${CMAKE_CURRENT_BINARY_DIR}/generated_results)
+    FILE(COPY ${CMAKE_CURRENT_SOURCE_DIR}/generated_results DESTINATION ${CMAKE_CURRENT_BINARY_DIR})
+ENDIF()
+FILE(COPY ${CMAKE_CURRENT_SOURCE_DIR}/tester.py DESTINATION ${CMAKE_CURRENT_BINARY_DIR})
+
 FILE(GLOB META_INTEGRATION_REFERENCES reference_results/*/*.dat)
 FOREACH(REFERENCE_FILE ${META_INTEGRATION_REFERENCES})
     # assume a structure <target_language>/<category>/result.dat
@@ -11,8 +20,8 @@ FOREACH(REFERENCE_FILE ${META_INTEGRATION_REFERENCES})
 
 	# cpp only for now
 	add_test(NAME integration_meta_cpp-${NAME_WITH_DIR}
-		WORKING_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}
-		COMMAND ${PYTHON_EXECUTABLE} tester.py -r ${REL_DIR} -f ${NAME}.dat -t cpp -g ${CMAKE_CURRENT_SOURCE_DIR}/generated_results -i ${CMAKE_CURRENT_SOURCE_DIR}/reference_results
+		WORKING_DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}
+		COMMAND ${PYTHON_EXECUTABLE} tester.py -r ${REL_DIR} -f ${NAME}.dat -t cpp -g generated_results -i reference_results
 		DEPENDS build_cpp_meta_examples)
 set_property(TEST integration_meta_cpp-${NAME_WITH_DIR} PROPERTY
 			ENVIRONMENT "${PYTHON_ENV_VARS}")