Use IMAGINATION_NNA_SDK_ROOT in imgdnn_manager.cc

lite/backends/imagination_nna/CMakeLists.txt

@@ -3,3 +3,4 @@ if(NOT LITE_WITH_IMAGINATION_NNA)
 endif()
 
 lite_cc_library(device_imagination_nna SRCS imgdnn_manager.cc DEPS ${imagination_nna_builder_libs} ${imagination_nna_runtime_libs})
+target_compile_definitions(device_imagination_nna PRIVATE IMAGINATION_NNA_SDK_ROOT=${IMAGINATION_NNA_SDK_ROOT})

lite/backends/imagination_nna/imgdnn_manager.cc

@@ -368,7 +368,8 @@ imgdnn_network_object ImgdnnManager::createNetworkObject(
   const imgdnn_network_object_flags flags = 0;
 
   std::string options_str;
-  std::string ddk_root{"/home/jasonwang/imgtools/ndk/main/"};
+  // std::string ddk_root{"/home/jasonwang/imgtools/ndk/main/"};
+  std::string ddk_root{STR2(IMAGINATION_NNA_SDK_ROOT)};
   std::string hwconfig =
       ddk_root + "nna-tools/config/mirage_hw_config06_23_2_6500_301.json";
   std::string mapconfig = ddk_root + "nna-tools/config/mapconfig_q8a.json";

lite/backends/imagination_nna/imgdnn_manager.h

@@ -44,6 +44,9 @@ static inline void CheckAndPrint(bool cond,
 #define ASSERT(statement, msg) \
   lite::imagination_nna::CheckAndPrint(statement, msg, __LINE__, __FILE__)
 
+#define STR1(R) #R
+#define STR2(R) STR1(R)
+
 class ImgdnnManager {
   imgdnn_err_code err_;
   imgdnn_device device_;