Link against external DLL (lemmy.physfluids.fr)

submitted 6 months ago by japps13@lemmy.physfluids.fr to c/rust@programming.dev

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Hello,

I am trying to use the SDK provided by the manufacturer of a camera from Rust. I use this in the build.rs :

println!(r"cargo:rustc-link-search=C:\Program Files\Digital Camera Toolbox\Camware4");
println!("cargo:rustc-link-lib=SC2_Cam");

However, it tries to find a .lib file, while the actual file is SC2_Cam.dll. I’ve tried specifying the kind as dylib=SC2_Cam but it makes no difference.

Am I missing something obvious, or is it just not possible? Do I have to manually load the DLL at runtime with things like the libloading crate?

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[-] japps13@lemmy.physfluids.fr 8 points 6 months ago

Thank you very much for your reply. I have tried the approach you explain in your blog post, and it works. Your blog post is useful and clearly written !