message: gltfpack: Allow using full 4GB heaps in Wasm builds
  This will let us process larger scenes with gltfpack.js
diff: @@ -83,7 +83,7 @@ gltfpack.js: gltf/bin/gltfpack.js
  gltf/bin/gltfpack.js: ${LIBRARY_SOURCES} ${GLTFPACK_SOURCES} tools/meshloader.cpp
  @mkdir -p gltf/bin
  - emcc $^ -o $@ -Os -DNDEBUG -s ALLOW_MEMORY_GROWTH=1 -s NODERAWFS=1
  + emcc $^ -o $@ -Os -DNDEBUG -s ALLOW_MEMORY_GROWTH=1 -s MAXIMUM_MEMORY=4GB -s NODERAWFS=1
  sed -i '1s;^;#!/usr/bin/env node\n;' $@
  build/decoder_base.wasm: $(WASM_SOURCES)
  