Native libraries failing on Windows with `UnsatisfiedLinkError` [2 XMR]

[woodser]

Currently, native libraries are built for Windows, producing these files:

• libmonero-cpp.dll
• libmonero-cpp.dll.a
• libmonero-java.dll
• libmonero-java.dll.a

However, using the native libraries results in an error when using JNI functions: "UnsatisfiedLinkError".

To reproduce the failure in a test:

1. On Windows, download Visual Studio Code and install Java extensions.
2. Import the monero-java project into workspace.
3. Build or download the Windows native libraries to the ./build folder.
4. Open TestMoneroUtils.java and click the button to run testGetIntegratedAddresses().
5. The test should succeed, but instead fails with UnsatisfiedLinkError:

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[everoddandeven]

I'm trying to debug, it seems that libmonero-java.dll failed to load other dlls:

[everoddandeven]

I just put C:\msys64\mingw64\bin the Path environment variable and now it works:

I don't know if it is a good solution, maybe compiling the library with -static param can solve this issue

[woodser]

Hm, I tried adding C:\msys64\mingw64\bin to the Path environment variable, but I'm still getting the UnsatisfiedLinkError running the test in VS Code.

Dependency walker looks much better after adding to Path, though:

[woodser]

This issue is resolved with https://github.com/woodser/monero-java/commit/45360d1d901af7b9d59ade2177d65d11c503bc73, and the bounty is paid. Thanks @everoddandeven!