cmake_arg_str=" -DCMAKE_CXX_FLAGS=-std=c++11 -DModule_ITKVtkGlue=ON -DVTK_DIR=$VTK_DIR -DBUILD_SHARED_LIBS=ON -DBUILD_TESTING=OFF -DBUILD_EXAMPLES=OFF "
elif [ "$ITK_VERSION" == "4.9.1" ]; then
itk_repo_str=" --branch v4.9.1 https://github.com/InsightSoftwareConsortium/ITK.git --depth 1"
cmake_arg_str=" -DCMAKE_CXX_FLAGS=-std=c++11 -DModule_ITKVtkGlue=ON -DVTK_DIR=$VTK_DIR -DBUILD_SHARED_LIBS=ON -DBUILD_TESTING=OFF -DBUILD_EXAMPLES=OFF "
elif [ "$ITK_VERSION" == "4.9.1" ]; then
itk_repo_str=" --branch v4.9.1 https://github.com/InsightSoftwareConsortium/ITK.git --depth 1"