add check for patchelf in CMakelists.txt

Author: luotao1

python/CMakeLists.txt

@@ -91,3 +91,9 @@ endif()
 install(DIRECTORY ${PADDLE_PYTHON_PACKAGE_DIR}
     DESTINATION opt/paddle/share/wheels
 )
+
+find_program(PATCHELF_EXECUTABLE patchelf)
+if(NOT PATCHELF_EXECUTABLE)
+  message(FATAL_ERROR "patchelf not found, please install it.\n"
+          "For Ubuntu, the command is: apt-get install -y patchelf.")
+endif()