Remove optimizer.

CMakeLists.txt

@@ -168,9 +168,11 @@ endif(USE_NNPACK)
 
 add_subdirectory(proto)
 
-# "add_subdirectory(go)" should be placed after the following loine,
-# because it depends on paddle/optimizer.
-add_subdirectory(paddle/optimizer)
+if(NOT MOBILE_INFERENCE)
+    # "add_subdirectory(go)" should be placed after the following loine,
+    # because it depends on paddle/optimizer.
+    add_subdirectory(paddle/optimizer)
+endif()
 
 # "add_subdirectory(paddle)" and "add_subdirectory(python)" should be
 # placed after this block, because they depends on it.

cmake/util.cmake

@@ -83,7 +83,6 @@ function(link_paddle_exe TARGET_NAME)
             paddle_utils
             paddle_parameter
             paddle_proto
-            paddle_optimizer
             ${EXTERNAL_LIBS}
             ${CMAKE_THREAD_LIBS_INIT}
             ${CMAKE_DL_LIBS}