[tmva][sofie] Don't run Keras tests if the Keras version is too new

Author: guitargeek

tmva/sofie/test/CMakeLists.txt

@@ -153,19 +153,27 @@ endif()
 
 # Any reatures that link against libpython are disabled if built with tpython=OFF
 if (tpython AND ROOT_KERAS_FOUND AND BLAS_FOUND)
-  configure_file(generateKerasModels.py generateKerasModels.py COPYONLY)
-  configure_file(scale_by_2_op.hxx scale_by_2_op.hxx COPYONLY)
-
-  ROOT_ADD_GTEST(TestRModelParserKeras TestRModelParserKeras.C
-     LIBRARIES
-     ROOTTMVASofie
-     Python3::NumPy
-     Python3::Python
-     BLAS::BLAS
-     INCLUDE_DIRS
-     SYSTEM
-     ${CMAKE_CURRENT_BINARY_DIR}
-  )
+
+  # TODO: make sure we also support the newest Keras
+  if (NOT DEFINED ROOT_KERAS_VERSION)
+    message(WARNING "Keras found, but version unknown — cannot verify compatibility.")
+  elseif (ROOT_KERAS_VERSION VERSION_LESS "3.12.0")
+    configure_file(generateKerasModels.py generateKerasModels.py COPYONLY)
+    configure_file(scale_by_2_op.hxx scale_by_2_op.hxx COPYONLY)
+
+    ROOT_ADD_GTEST(TestRModelParserKeras TestRModelParserKeras.C
+       LIBRARIES
+       ROOTTMVASofie
+       Python3::NumPy
+       Python3::Python
+       BLAS::BLAS
+       INCLUDE_DIRS
+       SYSTEM
+       ${CMAKE_CURRENT_BINARY_DIR}
+    )
+  else()
+    message(WARNING "Keras version ${ROOT_KERAS_VERSION} is too new for the SOFIE Keras parser (>= 3.12.0)")
+  endif()
 endif()