CMAKE_OPTIONS=""
-CMAKE_OPTIONS=$CMAKE_OPTIONS" -DCMAKE_INSTALL_PREFIX:STRING=${PRODUCT_INSTALL}"
-CMAKE_OPTIONS=$CMAKE_OPTIONS" -DCMAKE_BUILD_TYPE:STRING=Release"
-CMAKE_OPTIONS=$CMAKE_OPTIONS" -DIN_SALOME_CONTEXT:BOOL=ON"
-CMAKE_OPTIONS=$CMAKE_OPTIONS" -DWITH_ALL_PACKAGES:BOOL=ON"
-CMAKE_OPTIONS=$CMAKE_OPTIONS" -DPYTHON_EXECUTABLE=${PYTHON_ROOT_DIR}/bin/python${PYTHON_VERSION}"
-CMAKE_OPTIONS=$CMAKE_OPTIONS" -DPYTHON_INCLUDE_PATH=${PYTHON_ROOT_DIR}/include/python${PYTHON_VERSION}"
-CMAKE_OPTIONS=$CMAKE_OPTIONS" -DPYTHON_LIBRARY=${PYTHON_ROOT_DIR}/lib/libpython${PYTHON_VERSION}.so"
+CMAKE_OPTIONS+=" -DCMAKE_INSTALL_PREFIX:STRING=${PRODUCT_INSTALL}"
+CMAKE_OPTIONS+=" -DCMAKE_BUILD_TYPE:STRING=Release"
+CMAKE_OPTIONS+=" -DIN_SALOME_CONTEXT:BOOL=ON"
+CMAKE_OPTIONS+=" -DWITH_ALL_PACKAGES:BOOL=ON"
+CMAKE_OPTIONS+=" -DPYTHON_EXECUTABLE=${PYTHON_ROOT_DIR}/bin/python${PYTHON_VERSION}"
+CMAKE_OPTIONS+=" -DPYTHON_INCLUDE_PATH=${PYTHON_ROOT_DIR}/include/python${PYTHON_VERSION}"
+CMAKE_OPTIONS+=" -DPYTHON_LIBRARY=${PYTHON_ROOT_DIR}/lib/libpython${PYTHON_VERSION}.so"
mkdir -p $BUILD_DIR
cd $BUILD_DIR