add comment

cmake/external/anakin.cmake

@@ -14,7 +14,7 @@ SET(ANAKIN_SABER_LIB   ${ANAKIN_LIBRARY}/libanakin_saber_common.so)
 # nearly all the header files.
 function(fetch_include_recursively root_dir)
     if (IS_DIRECTORY ${root_dir})
-        include_directories(${root_dir})
+        include_directories(BEFORE ${root_dir})
     endif()
 
     file(GLOB ALL_SUB RELATIVE ${root_dir} ${root_dir}/*)
@@ -26,20 +26,6 @@ function(fetch_include_recursively root_dir)
 endfunction()
 fetch_include_recursively(${ANAKIN_INCLUDE})
 
-# A nother helper function used in Anakin.
-function(target_fetch_include_recursively root_dir target_name)
-    if (IS_DIRECTORY ${root_dir})
-        target_include_directories(${target_name} PUBLIC ${root_dir})
-    endif()
-
-    file(GLOB ALL_SUB RELATIVE ${root_dir} ${root_dir}/*)
-    foreach(sub ${ALL_SUB})
-        if (IS_DIRECTORY ${root_dir}/${sub})
-            target_include_directories(${target_name} PUBLIC ${root_dir}/${sub})
-        endif()
-    endforeach()
-endfunction()
-
 set(ANAKIN_COMPILE_EXTRA_FLAGS 
     -Wno-error=unused-but-set-variable -Wno-unused-but-set-variable
     -Wno-error=unused-variable -Wno-unused-variable 
@@ -56,6 +42,7 @@ set(ANAKIN_COMPILE_EXTRA_FLAGS
 ExternalProject_Add(
     extern_anakin
     ${EXTERNAL_PROJECT_LOG_ARGS}
+    # TODO(luotao): use PaddlePaddle/Anakin later
     GIT_REPOSITORY      "https://github.com/luotao1/Anakin"
     GIT_TAG             "3957ae9263eaa0b1986758dac60a88852afb09be"
     PREFIX              ${ANAKIN_SOURCE_DIR}
@@ -73,6 +60,7 @@ ExternalProject_Add(
 message(STATUS "Anakin for inference is enabled")
 message(STATUS "Anakin is set INCLUDE:${ANAKIN_INCLUDE} LIBRARY:${ANAKIN_LIBRARY}")
 
+fetch_include_recursively(${ANAKIN_INCLUDE})
 add_dependencies(extern_anakin protobuf mklml)
 add_library(anakin SHARED IMPORTED GLOBAL)
 set_property(TARGET anakin PROPERTY IMPORTED_LOCATION ${ANAKIN_SHARED_LIB})

paddle/fluid/inference/api/CMakeLists.txt

@@ -62,11 +62,11 @@ endif()
 
 if (WITH_ANAKIN) # only needed in CI
     # compile the libinference_anakin_api.a and anakin.so.
+    fetch_include_recursively(${ANAKIN_INCLUDE})
     nv_library(inference_anakin_api SRCS api.cc api_anakin_engine.cc DEPS anakin)
     nv_library(inference_anakin_api_shared SHARED SRCS api.cc api_anakin_engine.cc DEPS anakin)
     set(ANAKIN_DEPS_LIB ${ANAKIN_SHARED_LIB} ${ANAKIN_SABER_LIB} ${CUDNN_LIBRARY})
     function(anakin_target target_name)
-      target_fetch_include_recursively(${ANAKIN_INCLUDE} ${target_name})
       target_compile_options(${target_name} BEFORE PUBLIC ${ANAKIN_COMPILE_EXTRA_FLAGS})
       target_link_libraries(${target_name} ${ANAKIN_DEPS_LIB})
     endfunction()