CODEWITHSUNDEEP
cwindowsdlljuliaportaudio
HaberdashPI
HaberdashPI

Reputation: 400

Minimal working example of mixed Julia and C project on Windows

I'm looking for a simple, minimal working example for a Julia project that includes some C code as part of the project. I need the project to compile the C code into a *.dll and then have some Julia code that can successfully call a function from that *.dll on Windows.

I'm having a lot of trouble getting this to work on Windows, and it would be really helpful to just start from some example that I know actually works, and troubleshoot from there why my larger project isn't working.

My use case is calling the portaudio library for low-latency presentation of sounds, using a lock-less multi-threading model. This isn't really possible to write in julia at this point, that I know of: I really need a system level language like C. But I'd like the rest of the project to be in Julia.

Upvotes: 4

Views: 331

Answers (2)

HaberdashPI
HaberdashPI

Reputation: 400

This link is not a perfect example, but it's very very close. I haven't run this code, but the poster claims that it compiles and runs successfully on Windows.

Upvotes: 1

Chris Rackauckas
Chris Rackauckas

Reputation: 19132

This blog post contains pretty much a minimal working example. It compiles a small linker code to GSL and then writes about 10 lines of Julia to use it. It even in that space shows how to pass a Julia-defined function to C.

Upvotes: 3

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