Silence build warnings in tflite

Silence build warnings in tflite

Author: erikmchut

tensorflow/lite/build_def.bzl

@@ -24,7 +24,10 @@ def tflite_copts():
             "/wd4018",  # -Wno-sign-compare
         ],
         "//conditions:default": [
+            "-Wno-deprecated-declarations",
             "-Wno-sign-compare",
+            "-Wno-unused-const-variable",
+            "-Wno-unused-function",
         ],
     }) + select({
         clean_dep("//tensorflow:optimized"): ["-O3"],

tensorflow/lite/delegates/nnapi/BUILD

@@ -26,6 +26,9 @@ cc_library(
         "nnapi_delegate.h",
         "nnapi_delegate_kernel.h",
     ],
+    copts = [
+        "-Wno-unused-private-field",
+    ],
     deps = [
         "//tensorflow/lite:allocation",
         "//tensorflow/lite:kernel_api",

tensorflow/lite/kernels/internal/BUILD

@@ -565,7 +565,10 @@ cc_library(
         "optimized/neon_tensor_utils.h",
         "optimized/neon_tensor_utils_impl.h",
     ],
-    copts = NEON_FLAGS_IF_APPLICABLE + HARD_FP_FLAGS_IF_APPLICABLE,
+    copts = NEON_FLAGS_IF_APPLICABLE + HARD_FP_FLAGS_IF_APPLICABLE + [
+        "-Wno-deprecated-declarations",
+        "-Wno-unused-function",
+    ],
     deps = [
         ":common",
         ":compatibility",