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Rerun ruby-rbs-sys build script when C sources change #3198

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Rerun ruby-rbs-sys build script when C sources change #3198

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6 changes: 6 additions & 0 deletions rust/ruby-rbs-sys/build.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -20,6 +20,12 @@ fn main() -> Result<(), Box<dyn Error>> {
}

fn build(include_dir: &Path, src_dir: &Path) -> Result<(), Box<dyn Error>> {
// bindgen's CargoCallbacks emits rerun-if-changed for headers only, which disables
// cargo's default "watch every package file" behavior. Watch the C sources and
// headers explicitly so edits to them trigger a rebuild.
println!("cargo:rerun-if-changed={}", src_dir.display());
println!("cargo:rerun-if-changed={}", include_dir.display());

let mut build = cc::Build::new();

build.include(include_dir);
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