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44 lines
1.4 KiB
Rust
44 lines
1.4 KiB
Rust
use std::env;
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use std::path::PathBuf;
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include!("bindgen.rs");
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/// Vendored Linux UAPI include root.
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const VENDORED_INCLUDE_DIR: &str = "include";
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/// Wrapper file to use as input of bindgen.
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const WRAPPER_H: &str = "v4l2r_wrapper.h";
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// Fix for https://github.com/rust-lang/rust-bindgen/issues/753
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const FIX753_H: &str = "fix753.h";
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fn main() {
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let include_root =
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PathBuf::from(env::var("CARGO_MANIFEST_DIR").expect("`CARGO_MANIFEST_DIR` is not set"))
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.join(VENDORED_INCLUDE_DIR);
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let videodev2_h = include_root.join("linux/videodev2.h");
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println!("cargo::rerun-if-changed={}", videodev2_h.display());
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println!("cargo::rerun-if-changed={}", FIX753_H);
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println!("cargo::rerun-if-changed={}", WRAPPER_H);
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let clang_args = vec![
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format!("-I{}", include_root.display()),
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#[cfg(all(feature = "arch64", not(feature = "arch32")))]
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"--target=x86_64-linux-gnu".into(),
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#[cfg(all(feature = "arch32", not(feature = "arch64")))]
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"--target=i686-linux-gnu".into(),
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];
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let bindings = v4l2r_bindgen_builder(bindgen::Builder::default())
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.header(WRAPPER_H)
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.clang_args(clang_args)
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.generate()
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.expect("unable to generate bindings");
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let out_path = PathBuf::from(env::var("OUT_DIR").expect("`OUT_DIR` is not set"));
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bindings
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.write_to_file(out_path.join("bindings.rs"))
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.expect("Couldn't write bindings!");
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}
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