Enable -fexceptions in decoder builds

native_client/BUILD

@@ -129,6 +129,7 @@ cc_library(
     includes = DECODER_INCLUDES,
     deps = [":kenlm"],
     linkopts = DECODER_LINKOPTS,
+    copts = ["-fexceptions"],
 )
 
 cc_library(
@@ -151,7 +152,7 @@ cc_library(
             "tfmodelstate.cc",
         ],
     }) + DECODER_SOURCES,
-    copts = tf_copts() + select({
+    copts = tf_copts(allow_exceptions=True) + select({
         # -fvisibility=hidden is not required on Windows, MSCV hides all declarations by default
         "//tensorflow:windows": ["/w"],
         # -Wno-sign-compare to silent a lot of warnings from tensorflow itself,
@@ -163,7 +164,7 @@ cc_library(
     }) + select({
         "//native_client:tflite": ["-DUSE_TFLITE"],
         "//conditions:default": ["-UUSE_TFLITE"],
-    }) + tflite_copts(),
+    }),
     linkopts = lrt_if_needed() + select({
         "//tensorflow:macos": [],
         "//tensorflow:ios": ["-fembed-bitcode"],
@@ -255,7 +256,10 @@ cc_binary(
         "generate_scorer_package.cpp",
         "stt_errors.cc",
     ],
-    copts = ["-std=c++11"],
+    copts = select({
+        "//tensorflow:windows": [],
+        "//conditions:default": ["-std=c++11"],
+    }),
     deps = [
         ":decoder",
         ":kenlm",