[Python] add options for switching python version #3366

cmake/configure.cmake

@@ -181,3 +181,6 @@ if (LITE_ON_MODEL_OPTIMIZE_TOOL)
   add_definitions("-DLITE_ON_MODEL_OPTIMIZE_TOOL")
 endif(LITE_ON_MODEL_OPTIMIZE_TOOL)
 
+if (LITE_WITH_PYTHON)
+  add_definitions("-DLITE_WITH_PYTHON")
+endif(LITE_WITH_PYTHON)

lite/CMakeLists.txt

@@ -92,7 +92,7 @@ if (LITE_WITH_PYTHON)
             COMMAND cp "${CMAKE_BINARY_DIR}/lite/api/python/pybind/liblite_pybind.so" "${INFER_LITE_PUBLISH_ROOT}/python/install/lite/lite.so"
             COMMAND cp "${CMAKE_BINARY_DIR}/lite/api/python/pybind/liblite_pybind.so" "${INFER_LITE_PUBLISH_ROOT}/python/lib/lite.so")
     add_custom_target(publish_inference_python_installer ${TARGET}
-        COMMAND python setup.py bdist_wheel
+        COMMAND ${PYTHON_EXECUTABLE} setup.py bdist_wheel
         WORKING_DIRECTORY ${INFER_LITE_PUBLISH_ROOT}/python/install/
         DEPENDS publish_inference_python_lib)
     add_custom_target(publish_inference_python_light_demo ${TARGET}