vcpkg/ports/caffe2/msvc-fixes.patch

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 8054d98..35934f5 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -56,6 +56,14 @@ option(USE_ROCKSDB "Use RocksDB" ON)
 option(USE_SNPE "Use Qualcomm's SNPE library" OFF)
 option(USE_THREADS "Use Threads" ON)
 option(USE_ZMQ "Use ZMQ" OFF)
+if(MSVC)
+  if(BUILD_BUILD_SHARED_LIBS)
+    set(USE_STATIC_RUNTIME_DEFAULT OFF)
+  else()
+    set(USE_STATIC_RUNTIME_DEFAULT ON)
+  endif()
+  option(USE_STATIC_RUNTIME "Link to the static runtime (/MT) instead of dynamic (/MD)" ${USE_STATIC_RUNTIME_DEFAULT})
+endif()
 
 # External projects
 include(ExternalProject)
@@ -99,7 +107,7 @@ else()
   foreach(flag_var
       CMAKE_CXX_FLAGS CMAKE_CXX_FLAGS_DEBUG CMAKE_CXX_FLAGS_RELEASE
       CMAKE_CXX_FLAGS_MINSIZEREL CMAKE_CXX_FLAGS_RELWITHDEBINFO)
-    if (NOT ${BUILD_SHARED_LIBS})
+    if (USE_STATIC_RUNTIME)
       if(${flag_var} MATCHES "/MD")
         string(REGEX REPLACE "/MD" "/MT" ${flag_var} "${${flag_var}}")
       endif(${flag_var} MATCHES "/MD")
diff --git a/caffe2/core/logging.cc b/caffe2/core/logging.cc
index 1b4468e..1379f3a 100644
--- a/caffe2/core/logging.cc
+++ b/caffe2/core/logging.cc
@@ -117,7 +117,7 @@ using fLB::FLAGS_logtostderr;
 
 #endif // CAFFE2_USE_GFLAGS
 
-CAFFE2_DEFINE_int(caffe2_log_level, google::ERROR,
+CAFFE2_DEFINE_int(caffe2_log_level, google::GLOG_ERROR,
                   "The minimum log level that caffe2 will output.");
 
 // Google glog's api does not have an external function that allows one to check
@@ -134,15 +134,23 @@ bool IsGoogleLoggingInitialized();
 namespace caffe2 {
 bool InitCaffeLogging(int* argc, char** argv) {
   if (*argc == 0) return true;
-  if (!::google::glog_internal_namespace_::IsGoogleLoggingInitialized()) {
+#if !(defined(_MSC_VER) && defined(GLOG_IS_A_DLL))
+  // IsGoogleLoggingInitialized is not exported from the glog DLL
+  // so we can't call it. If our program calls InitGoogleLogging twice glog will
+  // abort it.
+  if (!::google::glog_internal_namespace_::IsGoogleLoggingInitialized())
+#endif
+  {
     ::google::InitGoogleLogging(argv[0]);
+#if !defined(_MSC_VER)
     ::google::InstallFailureSignalHandler();
+#endif
   }
   // If caffe2_log_level is set and is lower than the min log level by glog,
   // we will transfer the caffe2_log_level setting to glog to override that.
   FLAGS_minloglevel = std::min(FLAGS_caffe2_log_level, FLAGS_minloglevel);
   // If caffe2_log_level is explicitly set, let's also turn on logtostderr.
-  if (FLAGS_caffe2_log_level < google::ERROR) {
+  if (FLAGS_caffe2_log_level < google::GLOG_ERROR) {
     FLAGS_logtostderr = 1;
   }
   // Also, transfer the caffe2_log_level verbose setting to glog.
@@ -154,7 +162,7 @@ bool InitCaffeLogging(int* argc, char** argv) {
 
 void ShowLogInfoToStderr() {
   FLAGS_logtostderr = 1;
-  FLAGS_minloglevel = std::min(FLAGS_minloglevel, google::INFO);
+  FLAGS_minloglevel = std::min(FLAGS_minloglevel, google::GLOG_INFO);
 }
 }  // namespace caffe2
 
diff --git a/caffe2/core/logging_is_google_glog.h b/caffe2/core/logging_is_google_glog.h
index 7dd2b4f..2df4435 100644
--- a/caffe2/core/logging_is_google_glog.h
+++ b/caffe2/core/logging_is_google_glog.h
@@ -8,7 +8,7 @@
 // it. Some mobile platforms do not like stl_logging, so we add an
 // overload in that case as well.
 
-#if !defined(__CUDACC__) && !defined(CAFFE2_USE_MINIMAL_GOOGLE_GLOG)
+#if !defined(__CUDARCH__) && !defined(CAFFE2_USE_MINIMAL_GOOGLE_GLOG)
 #include <glog/stl_logging.h>
 #else // !defined(__CUDACC__) && !!defined(CAFFE2_USE_MINIMAL_GOOGLE_GLOG)
 
diff --git a/caffe2/image/image_input_op.h b/caffe2/image/image_input_op.h
index 9604e98..7d90014 100644
--- a/caffe2/image/image_input_op.h
+++ b/caffe2/image/image_input_op.h
@@ -214,13 +214,13 @@ ImageInputOp<Context>::ImageInputOp(
 
   // hard-coded PCA eigenvectors and eigenvalues, based on RBG channel order
   color_lighting_eigvecs_.push_back(
-    std::vector<float>{-144.7125, 183.396, 102.2295});
+    std::vector<float>{-144.7125f, 183.396f, 102.2295f});
   color_lighting_eigvecs_.push_back(
-    std::vector<float>{-148.104, -1.1475, -207.57});
+    std::vector<float>{-148.104f, -1.1475f, -207.57f});
   color_lighting_eigvecs_.push_back(
-    std::vector<float>{-148.818, -177.174, 107.1765});
+    std::vector<float>{-148.818f, -177.174f, 107.1765f});
 
-  color_lighting_eigvals_ = std::vector<float>{0.2175, 0.0188, 0.0045};
+  color_lighting_eigvals_ = std::vector<float>{0.2175f, 0.0188f, 0.0045f};
 
   CAFFE_ENFORCE_GT(batch_size_, 0, "Batch size should be nonnegative.");
   if (use_caffe_datum_) {
diff --git a/caffe2/operators/batch_matmul_op.cc b/caffe2/operators/batch_matmul_op.cc
index c2e578d..28cf030 100644
--- a/caffe2/operators/batch_matmul_op.cc
+++ b/caffe2/operators/batch_matmul_op.cc
@@ -34,7 +34,7 @@ size (C x K x N) where C is the batch size and i ranges from 0 to C-1.
         b_dim1 = in[1].dims(2);
       }
       return vector<TensorShape> {
-          CreateTensorShape(vector<int> {
+          CreateTensorShape(vector<TIndex> {
               in[0].dims(0), a_dim0, b_dim1},
               in[0].data_type())
       };
diff --git a/caffe2/operators/layer_norm_op.cu b/caffe2/operators/layer_norm_op.cu
index df13fc3..68bbc97 100644
--- a/caffe2/operators/layer_norm_op.cu
+++ b/caffe2/operators/layer_norm_op.cu
@@ -252,8 +252,8 @@ bool LayerNormGradientOp<CUDAContext>::DoRunWithType<float>() {
   auto* ginput = Output(0);
 
   const auto canonical_axis = norm_inputs.canonical_axis_index(axis_);
-  const int left = norm_inputs.size_to_dim(canonical_axis);
-  const int right = norm_inputs.size_from_dim(canonical_axis);
+  const TIndex left = norm_inputs.size_to_dim(canonical_axis);
+  const TIndex right = norm_inputs.size_from_dim(canonical_axis);
 
   ginput->ResizeLike(norm_inputs);
   std::vector<TIndex> stats_dims(
@@ -261,7 +261,7 @@ bool LayerNormGradientOp<CUDAContext>::DoRunWithType<float>() {
   stats_dims.push_back(1);
   dmean_.Resize(stats_dims);
   dstdev_.Resize(stats_dims);
-  gscratch_.Resize(std::vector<size_t>{left, right});
+  gscratch_.Resize(std::vector<TIndex>{left, right});
 
   std::vector<int> segs(left + 1);
   std::iota(segs.begin(), segs.end(), 0);
@@ -291,7 +291,7 @@ bool LayerNormGradientOp<CUDAContext>::DoRunWithType<float>() {
       dout.data<float>(),
       gscratch_.mutable_data<float>());
 
-  dstdev_.Resize(vector<size_t>{left, 1});
+  dstdev_.Resize(vector<TIndex>{left, 1});
   // dstdev = reduce(temp1)
   allocScratchAndReduce(
       gscratch_.data<float>(),
diff --git a/caffe2/operators/lengths_top_k_op.cc b/caffe2/operators/lengths_top_k_op.cc
index c871d53..bad741a 100644
--- a/caffe2/operators/lengths_top_k_op.cc
+++ b/caffe2/operators/lengths_top_k_op.cc
@@ -14,7 +14,7 @@ bool LengthsTopKOp<T, Context>::RunOnDevice() {
 
   output_topk_values->Resize(N * k_);
   output_topk_indices->Resize(N * k_);
-  std::vector<int> output_dims = std::vector<int>({N, k_});
+  std::vector<TIndex> output_dims = std::vector<TIndex>({N, k_});
   output_topk_values->Reshape(output_dims);
   output_topk_indices->Reshape(output_dims);
   T* output_topk_values_data = output_topk_values->template mutable_data<T>();
diff --git a/caffe2/operators/pool_op_cudnn.cu b/caffe2/operators/pool_op_cudnn.cu
index a380d8d..b0cd326 100644
--- a/caffe2/operators/pool_op_cudnn.cu
+++ b/caffe2/operators/pool_op_cudnn.cu
@@ -467,6 +467,15 @@ class CuDNNPoolGradientOp : public ConvPoolOpBase<CUDAContext> {
   cudnnPoolingDescriptor_t pooling_desc_;
   cudnnPoolingMode_t mode_;
 
+// MSVC defines IN and OUT in minwindef.h
+#ifdef IN
+#undef IN
+#endif
+
+#ifdef OUT
+#undef OUT
+#endif
+
   // Input: X, Y, dY
   // Output: dX
   INPUT_TAGS(IN, OUT, OUT_GRAD);
diff --git a/caffe2/operators/recurrent_op_cudnn.cc b/caffe2/operators/recurrent_op_cudnn.cc
index 7777813..58bc8c3 100644
--- a/caffe2/operators/recurrent_op_cudnn.cc
+++ b/caffe2/operators/recurrent_op_cudnn.cc
@@ -115,10 +115,11 @@ void RecurrentBaseOp<T>::initialize(
 
   // RNN setup
   {
-    CUDNN_ENFORCE(cudnnSetRNNDescriptor(
+// Do not use #if condition inside CUDNN_ENFORCE
+// to avoid macro expansion errors.
 #if CUDNN_MAJOR >= 7
+CUDNN_ENFORCE(cudnnSetRNNDescriptor(
         cudnn_wrapper_.inline_cudnn_handle(),
-#endif
         rnnDesc_,
         hiddenSize,
         numLayers,
@@ -126,10 +127,19 @@ void RecurrentBaseOp<T>::initialize(
         rnnInput,
         rnnDirection,
         rnnMode,
-#if CUDNN_MAJOR >= 7
         CUDNN_RNN_ALGO_STANDARD, // TODO: verify correctness / efficiency.
-#endif
         cudnnTypeWrapper<T>::type));
+#else
+    CUDNN_ENFORCE(cudnnSetRNNDescriptor(
+        rnnDesc_,
+        hiddenSize,
+        numLayers,
+        dropoutDesc_,
+        rnnInput,
+        rnnDirection,
+        rnnMode,
+        cudnnTypeWrapper<T>::type));
+#endif  // CUDNN_MAJOR >= 7
   }
   // X setup
   {
diff --git a/caffe2/utils/CMakeLists.txt b/caffe2/utils/CMakeLists.txt
index f90af5a..919a638 100644
--- a/caffe2/utils/CMakeLists.txt
+++ b/caffe2/utils/CMakeLists.txt
@@ -27,6 +27,10 @@ exclude(Caffe2_CPU_SRCS "${Caffe2_CPU_SRCS}" ${Caffe2_GPU_SRCS})
 # will directly link nnpack pthreadpool.
 file(GLOB_RECURSE tmp pthreadpool*)
 exclude(Caffe2_CPU_SRCS "${Caffe2_CPU_SRCS}" ${tmp})
+if(MSVC)
+  file(GLOB_RECURSE tmp *ThreadPool.cc)
+  exclude(Caffe2_CPU_SRCS "${Caffe2_CPU_SRCS}" ${tmp})
+endif()
 
 # ---[ GPU test files
 file(GLOB_RECURSE tmp *_gpu_test.cc)
diff --git a/caffe2/utils/GpuBitonicSort.cuh b/caffe2/utils/GpuBitonicSort.cuh
index f52bb50..a199bcb 100644
--- a/caffe2/utils/GpuBitonicSort.cuh
+++ b/caffe2/utils/GpuBitonicSort.cuh
@@ -39,9 +39,11 @@ __device__ inline void bitonicSort(K* keys,
   // Assume the sort is taking place in shared memory
   // static_assert(Power2SortSize * (sizeof(K) + sizeof(V)) < 32768,
   //               "sort data too large (>32768 bytes)");
-  static_assert(math::integerIsPowerOf2(Power2SortSize),
+  static_assert(math::integerIsPowerOf2(
+                std::integral_constant<int, Power2SortSize>::value),
                 "sort size must be power of 2");
-  static_assert(math::integerIsPowerOf2(ThreadsPerBlock),
+  static_assert(math::integerIsPowerOf2(
+                std::integral_constant<int, ThreadsPerBlock>::value),
                 "threads in block must be power of 2");
 
   // If what we are sorting is too small, then not all threads
@@ -107,7 +109,8 @@ __device__ inline void warpBitonicSort(K* keys,
   // Smaller sorts should use a warp shuffle sort
   static_assert(Power2SortSize > kWarpSize,
                 "sort not large enough");
-  static_assert(math::integerIsPowerOf2(Power2SortSize),
+  static_assert(math::integerIsPowerOf2(
+                std::integral_constant<int, Power2SortSize>::value),
                 "sort size must be power of 2");
   static_assert(Power2SortSize <= kMaxBitonicSortSize,
                 "sort size <= 4096 only supported");
diff --git a/caffe2/utils/math.h b/caffe2/utils/math.h
index 6c352dc..a1eda9d 100644
--- a/caffe2/utils/math.h
+++ b/caffe2/utils/math.h
@@ -426,18 +426,10 @@ constexpr T roundUp(T a, T b) {
   return divUp<T>(a, b) * b;
 }
 
-// Returns true if the given integer type is a power-of-2 (positive only)
-// Note(jiayq): windows reported an error per
-//     https://github.com/caffe2/caffe2/issues/997
-// and as a result will make it a macro.
-#ifdef _MSC_VER
-#define integerIsPowerOf2(v) ((v) && !((v) & ((v) - 1)))
-#else // _MSC_VER
 template <typename T>
 constexpr bool integerIsPowerOf2(T v) {
   return (v && !(v & (v - 1)));
 }
-#endif // _MSC_VER
 
 // Returns log2(n) for a positive integer type
 template <typename T>
diff --git a/cmake/Cuda.cmake b/cmake/Cuda.cmake
index df70e2f..ca1b123 100644
--- a/cmake/Cuda.cmake
+++ b/cmake/Cuda.cmake
@@ -37,6 +37,10 @@ function(caffe2_detect_installed_gpus out_variable)
                     ERROR_QUIET OUTPUT_STRIP_TRAILING_WHITESPACE)
 
     if(__nvcc_res EQUAL 0)
+      # nvcc outputs text containing line breaks when building with MSVC.
+      # The line below prevents CMake from inserting a variable with line
+      # breaks in the cache
+      string(REGEX MATCH "([1-9].[0-9])" __nvcc_out "${__nvcc_out}")
       string(REPLACE "2.1" "2.1(2.0)" __nvcc_out "${__nvcc_out}")
       set(CUDA_gpu_detect_output ${__nvcc_out} CACHE INTERNAL "Returned GPU architetures from caffe_detect_gpus tool" FORCE)
     endif()
@@ -249,7 +253,7 @@ endif()
 # Debug and Release symbol support
 if (MSVC)
   if (${CMAKE_BUILD_TYPE} MATCHES "Release")
-    if (${BUILD_SHARED_LIBS})
+    if (NOT USE_STATIC_RUNTIME)
       list(APPEND CUDA_NVCC_FLAGS "-Xcompiler -MD")
     else()
       list(APPEND CUDA_NVCC_FLAGS "-Xcompiler -MT")
@@ -259,7 +263,7 @@ if (MSVC)
             "Caffe2 currently does not support the combination of MSVC, Cuda "
             "and Debug mode. Either set USE_CUDA=OFF or set the build type "
             "to Release")
-    if (${BUILD_SHARED_LIBS})
+    if (NOT USE_STATIC_RUNTIME)
       list(APPEND CUDA_NVCC_FLAGS "-Xcompiler -MDd")
     else()
       list(APPEND CUDA_NVCC_FLAGS "-Xcompiler -MTd")
diff --git a/cmake/Dependencies.cmake b/cmake/Dependencies.cmake
index afb6b68..bdad8b6 100644
--- a/cmake/Dependencies.cmake
+++ b/cmake/Dependencies.cmake
@@ -182,6 +182,15 @@ if(USE_OPENCV)
     message(WARNING "Not compiling with OpenCV. Suppress this warning with -DUSE_OPENCV=OFF")
     set(USE_OPENCV OFF)
   endif()
+  if(USE_OPENCV AND VCPKG_TARGET_TRIPLET MATCHES static)
+    find_package(LibLZMA QUIET)
+    if(LIBLZMA_FOUND)
+      list(APPEND Caffe2_DEPENDENCY_LIBS ${LIBLZMA_LIBRARIES})
+    else()
+      message(WARNING "Not compiling with OpenCV. Could not find liblzma. Suppress this warning with -DUSE_OPENCV=OFF")
+      set(USE_OPENCV OFF)
+    endif()
+  endif()
 endif()
 
 # ---[ FFMPEG
diff --git a/cmake/Modules/FindGlog.cmake b/cmake/Modules/FindGlog.cmake
index 1167532..9780ba5 100644
--- a/cmake/Modules/FindGlog.cmake
+++ b/cmake/Modules/FindGlog.cmake
@@ -27,6 +27,10 @@ if(MSVC)
     endif()
     if(TARGET ${GLOG_LIBRARY})
       get_target_property(GLOG_INCLUDE_DIR ${GLOG_LIBRARY} INTERFACE_INCLUDE_DIRECTORIES)
+      get_target_property(GLOG_TYPE ${GLOG_LIBRARY} TYPE)
+      if("${GLOG_TYPE}" STREQUAL "SHARED_LIBRARY")
+        add_definitions(-DGLOG_IS_A_DLL=1)
+      endif()
     endif()
 else()
     find_library(GLOG_LIBRARY glog
diff --git a/cmake/ProtoBuf.cmake b/cmake/ProtoBuf.cmake
index 89975c8..e37d6da 100644
--- a/cmake/ProtoBuf.cmake
+++ b/cmake/ProtoBuf.cmake
@@ -13,6 +13,9 @@ function(custom_protobuf_find)
     # so we turn it off here.
     set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wno-deprecated-declarations" PARENT_SCOPE)
   endif()
+  if(MSVC)
+    set(protobuf_MSVC_STATIC_RUNTIME ${USE_STATIC_RUNTIME})
+  endif()
   add_subdirectory(${PROJECT_SOURCE_DIR}/third_party/protobuf/cmake)
   caffe2_include_directories(${PROJECT_SOURCE_DIR}/third_party/protobuf/src)
   list(APPEND Caffe2_DEPENDENCY_LIBS libprotobuf)
diff --git a/cmake/Summary.cmake b/cmake/Summary.cmake
index b7423a6..2996484 100644
--- a/cmake/Summary.cmake
+++ b/cmake/Summary.cmake
@@ -19,6 +19,13 @@ function (Caffe2_print_configuration_summary)
   message(STATUS "  System                : ${CMAKE_SYSTEM_NAME}")
   message(STATUS "  C++ compiler          : ${CMAKE_CXX_COMPILER}")
   message(STATUS "  C++ compiler version  : ${CMAKE_CXX_COMPILER_VERSION}")
+  if(MSVC)
+    if(USE_STATIC_RUNTIME)
+      message(STATUS "  Runtime               : static (/MT)")
+    else()
+      message(STATUS "  Runtime               : dynamic (/MD)")
+    endif()
+  endif()
   message(STATUS "  Protobuf compiler     : ${PROTOBUF_PROTOC_EXECUTABLE}")
   message(STATUS "  CXX flags             : ${CMAKE_CXX_FLAGS}")
   message(STATUS "  Build type            : ${CMAKE_BUILD_TYPE}")