Fix build problem with protoc (#66)

* Fix build problem with protoc

This will fix arm cross build problem with protoc that may not be needed in target device

* add protobuf_BUILD_TESTS inside if clause

diff --git a/externals/CMakeLists.txt b/externals/CMakeLists.txt
index 210ffe6..adacdce 100644 (file)
--- a/externals/CMakeLists.txt
+++ b/externals/CMakeLists.txt
@@ -28,14 +28,15 @@ target_include_directories(eigen3 PUBLIC "${CMAKE_CURRENT_SOURCE_DIR}/eigen")
 #
 # Protocol Buffer (>= 3.5.1)
 #
-set(protobuf_BUILD_TESTS OFF CACHE BOOL "Build tests" FORCE)
+# TODO add protobuf for arm cross build
+if(ROOTFS_ARM STREQUAL "")
+  set(protobuf_BUILD_TESTS OFF CACHE BOOL "Build tests" FORCE)
 
-add_subdirectory(protobuf/cmake)
+  add_subdirectory(protobuf/cmake)
 
 #
 # TensorFlow Graph Definition Accessor
 #
-# TODO Reduce indentation level
   list(APPEND TF_GRAPH_PROTO_TAGS tensorflow/core/framework/versions)
   list(APPEND TF_GRAPH_PROTO_TAGS tensorflow/core/framework/function)
   list(APPEND TF_GRAPH_PROTO_TAGS tensorflow/core/framework/types)
@@ -60,6 +61,7 @@ add_subdirectory(protobuf/cmake)
   add_library(tensorflow_graphdef ${TF_GRAPH_PROTO_SRCS})
   target_include_directories(tensorflow_graphdef PUBLIC ${TF_GRAPH_PROTO_GENERATED})
   target_link_libraries(tensorflow_graphdef PUBLIC libprotobuf)
+endif()
 
 #
 # Tensorflow Lite library

diff --git a/tools/CMakeLists.txt b/tools/CMakeLists.txt
index ab88628..ea8370f 100644 (file)
--- a/tools/CMakeLists.txt
+++ b/tools/CMakeLists.txt
@@ -1,3 +1,6 @@
-add_subdirectory(graphdump)
+# TODO add graphdump for arm cross build
+if(ROOTFS_ARM STREQUAL "")
+  add_subdirectory(graphdump)
+endif()
 add_subdirectory(tflite_run)
 add_subdirectory(nnapi_bindings)