diff --git a/cmake/cross_compiling/ios.cmake b/cmake/cross_compiling/ios.cmake
index d805423cb14fa63b538972b5f0a47d419de15136..eea17436bd8bbd082f82a23e90aa2028d4987b70 100644
--- a/cmake/cross_compiling/ios.cmake
+++ b/cmake/cross_compiling/ios.cmake
@@ -77,7 +77,7 @@ set(IOS_PLATFORM ${IOS_PLATFORM} CACHE STRING "Type of iOS Platform")
 # Set the architecture for iOS
 if(NOT DEFINED IOS_ARCH)
   if(IOS_PLATFORM STREQUAL "OS")
-    # FIXME: support "armv7;armv7s;arm64" future
+    # FIXME(liuyiqun): support "armv7;armv7s;arm64" future
     set(IOS_ARCH "arm64")
   elseif(IOS_PLATFORM STREQUAL "SIMULATOR")
     set(IOS_ARCH "i386;x86_64")
diff --git a/cmake/external/gtest.cmake b/cmake/external/gtest.cmake
index e3970073a1a0b946fa1db6642799719d7a9fcf4f..6a2a79b7631b32e8a099797de509af64533bbb95 100644
--- a/cmake/external/gtest.cmake
+++ b/cmake/external/gtest.cmake
@@ -48,15 +48,16 @@ IF(WITH_TESTING)
         PREFIX          ${GTEST_SOURCES_DIR}
         UPDATE_COMMAND  ""
         CMAKE_ARGS      -DCMAKE_CXX_COMPILER=${CMAKE_CXX_COMPILER}
-        CMAKE_ARGS      -DCMAKE_C_COMPILER=${CMAKE_C_COMPILER}
-        CMAKE_ARGS      -DCMAKE_CXX_FLAGS=${CMAKE_CXX_FLAGS}
-        CMAKE_ARGS      -DCMAKE_C_FLAGS=${CMAKE_C_FLAGS}
-        CMAKE_ARGS      -DCMAKE_INSTALL_PREFIX=${GTEST_INSTALL_DIR}
-        CMAKE_ARGS      -DCMAKE_POSITION_INDEPENDENT_CODE=ON
-        CMAKE_ARGS      -DBUILD_GMOCK=ON
-        CMAKE_ARGS      -Dgtest_disable_pthreads=ON
-        CMAKE_ARGS      -Dgtest_force_shared_crt=ON
-        CMAKE_ARGS      -DCMAKE_BUILD_TYPE=Release
+                        -DCMAKE_C_COMPILER=${CMAKE_C_COMPILER}
+                        -DCMAKE_CXX_FLAGS=${CMAKE_CXX_FLAGS}
+                        -DCMAKE_C_FLAGS=${CMAKE_C_FLAGS}
+                        -DCMAKE_INSTALL_PREFIX=${GTEST_INSTALL_DIR}
+                        -DCMAKE_POSITION_INDEPENDENT_CODE=ON
+                        -DBUILD_GMOCK=ON
+                        -Dgtest_disable_pthreads=ON
+                        -Dgtest_force_shared_crt=ON
+                        -DCMAKE_BUILD_TYPE=Release
+                        ${EXTERNAL_OPTIONAL_ARGS}
         CMAKE_CACHE_ARGS -DCMAKE_INSTALL_PREFIX:PATH=${GTEST_INSTALL_DIR}
                          -DCMAKE_POSITION_INDEPENDENT_CODE:BOOL=ON
                          -DCMAKE_BUILD_TYPE:STRING=Release
diff --git a/cmake/external/openblas.cmake b/cmake/external/openblas.cmake
index 849956f4907f77a106fcf3a229e652d40d43156b..66c2a8bd8056509f5c281602e88ffee5181ab07f 100644
--- a/cmake/external/openblas.cmake
+++ b/cmake/external/openblas.cmake
@@ -40,7 +40,7 @@ IF(NOT ${CBLAS_FOUND})
                 SET(OPTIONAL_ARGS ${OPTIONAL_ARGS} TARGET=ARMV8 BINARY=64 USE_THREAD=0)
             ENDIF()
         ELSEIF(IOS)
-            # FIXME: support multiple architectures
+            # FIXME(liuyiqun): support multiple architectures
             SET(OPENBLAS_COMMIT "b5c96fcfcdc82945502a2303116a64d89985daf5")
             SET(OPENBLAS_CC "${OPENBLAS_CC} ${CMAKE_C_FLAGS} -isysroot ${CMAKE_OSX_SYSROOT}")
             IF(CMAKE_OSX_ARCHITECTURES MATCHES "armv7")
diff --git a/cmake/external/warpctc.cmake b/cmake/external/warpctc.cmake
index 1327c6b95d0c3585d912814ce800b2ab2a814aab..bb258c7b5581fc22b44f4fe15c119f8081f4767e 100644
--- a/cmake/external/warpctc.cmake
+++ b/cmake/external/warpctc.cmake
@@ -19,11 +19,12 @@ SET(WARPCTC_INSTALL_DIR ${THIRD_PARTY_PATH}/install/warpctc)
 
 SET(WARPCTC_INCLUDE_DIR "${WARPCTC_INSTALL_DIR}/include"
     CACHE PATH "Warp-ctc Directory" FORCE)
+# Used in unit test test_WarpCTCLayer
+SET(WARPCTC_LIB_DIR "${WARPCTC_INSTALL_DIR}/lib"
+    CACHE PATH "Warp-ctc Library Directory" FORCE)
 SET(WARPCTC_LIBRARIES "${WARPCTC_INSTALL_DIR}/lib/libwarpctc${CMAKE_SHARED_LIBRARY_SUFFIX}"
     CACHE FILEPATH "Warp-ctc Library" FORCE)
 
-INCLUDE_DIRECTORIES(${WARPCTC_INCLUDE_DIR})
-
 IF(CMAKE_CXX_COMPILER_ID STREQUAL "Clang" OR CMAKE_CXX_COMPILER_ID STREQUAL "AppleClang" )
     SET(USE_OMP OFF)
 ELSE()
@@ -54,6 +55,9 @@ ExternalProject_Add(
                      -DCMAKE_INSTALL_PREFIX:PATH=${WARPCTC_INSTALL_DIR}
 )
 
+MESSAGE(STATUS "warp-ctc library: ${WARPCTC_LIBRARIES}")
+INCLUDE_DIRECTORIES(${WARPCTC_INCLUDE_DIR})
+
 ADD_LIBRARY(warpctc STATIC IMPORTED GLOBAL)
 SET_PROPERTY(TARGET warpctc PROPERTY IMPORTED_LOCATION ${WARPCTC_LIBRARIES})
 ADD_DEPENDENCIES(warpctc extern_warpctc)
diff --git a/cmake/util.cmake b/cmake/util.cmake
index 0da4969d310368ab27b0ed65237813c07d6e59f0..bfe269ea25380867c3e33cb3bbec29b5690c10e7 100644
--- a/cmake/util.cmake
+++ b/cmake/util.cmake
@@ -71,20 +71,25 @@ function(link_paddle_exe TARGET_NAME)
         generate_rdma_links()
     endif()
 
+    if(NOT ANDROID AND NOT IOS)
+        set(PADDLE_TRAIN_LIBS
+            paddle_pserver
+            paddle_network
+            paddle_trainer_lib
+            paddle_optimizer)
+    endif()
+
     target_circle_link_libraries(${TARGET_NAME}
         ARCHIVE_START
         paddle_gserver
         paddle_function
         ARCHIVE_END
-        paddle_pserver
-        paddle_trainer_lib
-        paddle_network
         paddle_math
         paddle_utils
         paddle_parameter
         paddle_proto
         paddle_cuda
-        paddle_optimizer
+        ${PADDLE_TRAIN_LIBS}
         ${EXTERNAL_LIBS}
         ${CMAKE_THREAD_LIBS_INIT}
         ${CMAKE_DL_LIBS}
diff --git a/paddle/capi/CMakeLists.txt b/paddle/capi/CMakeLists.txt
index 7a83508f31851bfd191e1c0e2c47a88aeefde664..071f5a0b0d22ef331729009f626e935aeb5ce57a 100644
--- a/paddle/capi/CMakeLists.txt
+++ b/paddle/capi/CMakeLists.txt
@@ -30,7 +30,7 @@ add_dependencies(paddle_capi paddle_proto)
 
 # combine all paddle static libraries together, into libpaddle_capi_whole.a
 # user should use PaddleCAPI as -lpaddle_capi_whole
-set(PADDLE_INFER_LIBS
+set(PADDLE_CAPI_INFER_LIBS
     paddle_utils
     paddle_parameter
     paddle_math
@@ -40,9 +40,9 @@ set(PADDLE_INFER_LIBS
     paddle_proto
     )
 
-set(PADDLE_TRAIN_LIBS paddle_pserver paddle_network)
+set(PADDLE_CAPI_TRAIN_LIBS paddle_pserver paddle_network)
 
-cc_library(paddle_capi_whole DEPS paddle_capi ${PADDLE_INFER_LIBS})
+cc_library(paddle_capi_whole DEPS paddle_capi ${PADDLE_CAPI_INFER_LIBS})
 
 # No shared library for iOS
 if(NOT IOS)