Fix deprecation warnings under C++20 on MSVC

1 files changed, 4 insertions, 3 deletions

diff --git a/indra/newview/llgltfmateriallist.cpp b/indra/newview/llgltfmateriallist.cpp
index 25438eae5e..d7b088b56d 100644
--- a/indra/newview/llgltfmateriallist.cpp
+++ b/indra/newview/llgltfmateriallist.cpp
@@ -45,7 +45,9 @@
 #include "llworld.h"
 
 #include "tinygltf/tiny_gltf.h"
-#include <strstream>
+
+#include <boost/iostreams/device/array.hpp>
+#include <boost/iostreams/stream.hpp>
 
 #include <unordered_set>
 
@@ -539,8 +541,7 @@ void LLGLTFMaterialList::onAssetLoadComplete(const LLUUID& id, LLAssetType::ETyp
                 LLSD asset;
 
                 // read file into buffer
-                std::istrstream str(&buffer[0], static_cast<S32>(buffer.size()));
-
+                boost::iostreams::stream<boost::iostreams::array_source> str(buffer.data(), buffer.size());
                 if (LLSDSerialize::deserialize(asset, str, buffer.size()))
                 {
                     if (asset.has("version") && LLGLTFMaterial::isAcceptedVersion(asset["version"].asString()))