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build_cpp_utils_windows.md

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Build C++ libraries on Windows

Dependencies

Build

First, clone nnabla and go into the root folder.

Then, the following batch script does everything including setting up the rest of dependencies and compiling libraries.

build-tools\msvc\build_cpplib.bat

This will setup the following dependency libraries of the NNabla C++ utility

  • LibArchive
  • ZLib
  • Protobuf

into the third_party folder, and these are used when compiling and running NNabla utility library. Note that HDF5 is not supported on Windows so far, which means you can not use a .h5 parameter file in C++ inference/training. (TODO: Write how to create .protobuf file from .nnp or .h5).

It also sets up NNabla core library and the C++ utility library (nnabla.dll, nnabla_utils.dll and their .lib and .exp files).

If you want to build with Debug mode, you have to set an environment variable build_type as following before running the batch script above.

set build_type=Debug

Use the library in your C++ application

To build your C++ binary with NNabla C++ utilities, you need:

  • Set <nnabla root>\include folder as include path
  • Set nnabla.lib and nnabla_utils.lib as libraries (use .dlib when Debug mode)

At runtime, you will need the following dynamic link libraries located in a right path.

  • nnabla.dll
  • nnabla_utils.dll
  • zlibwapi.dll
  • archive.dll

Please find these libraries built in this instruction by searching them at NNabla root folder.