Suppress warnings for gemmlowp

cmake/CMakeLists.txt

@@ -364,6 +364,8 @@ else()
   check_cxx_compiler_flag(-Wtautological-pointer-compare HAS_TAUTOLOGICAL_POINTER_COMPARE)
   check_cxx_compiler_flag(-Wcatch-value HAS_CATCH_VALUE)
   check_cxx_compiler_flag(-Wmissing-braces HAS_MISSING_BRACES)
+  check_cxx_compiler_flag(-Wignored-attributes HAS_IGNORED_ATTRIBUTES)
+
   if(HAS_TAUTOLOGICAL_POINTER_COMPARE)
     #we may have extra null pointer checkings in debug build, it's not an issue
     string(APPEND CMAKE_CXX_FLAGS_DEBUG " -Wno-tautological-pointer-compare")

cmake/onnxruntime_config.h.in

@@ -9,5 +9,5 @@
 #cmakedefine HAS_PARENTHESES
 #cmakedefine HAS_NULL_DEREFERENCE
 #cmakedefine HAS_USELESS_CAST
-
+#cmakedefine HAS_IGNORED_ATTRIBUTES
 

onnxruntime/core/providers/cpu/nn/conv_integer.cc

@@ -9,8 +9,26 @@
 #include "core/providers/cpu/nn/conv_integer.h"
 #include "core/util/math.h"
 #include "core/util/math_cpuonly.h"
+#include "onnxruntime_config.h"
+#ifdef __GNUC__
+#pragma GCC diagnostic push
+#pragma GCC diagnostic ignored "-Wunused-parameter"
+#ifdef HAS_IGNORED_ATTRIBUTES
+#pragma GCC diagnostic ignored "-Wignored-attributes"
+#endif
+#else
+#pragma warning(push)
+#pragma warning(disable : 4100) //'identifier' : unreferenced formal parameter
+#endif
+
 #include "public/gemmlowp.h"
 
+#ifdef __GNUC__
+#pragma GCC diagnostic pop
+#else
+#pragma warning(pop)
+#endif
+
 namespace onnxruntime {
 namespace contrib {
 Status ConvInteger::Compute(OpKernelContext* context) const {
@@ -146,5 +164,5 @@ ONNX_OPERATOR_KERNEL_EX(
 	.TypeConstraint("T2", DataTypeImpl::GetTensorType<uint8_t>())
 	.TypeConstraint("T3", DataTypeImpl::GetTensorType<int32_t>()),
     ConvInteger);
-}
+}  // namespace contrib
 }  // namespace onnxruntime