logos-blockchain/logos-blockchain-circuits
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fix: Windows extension for rapidsnark binaries on build. (#42)

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Álex 2026-05-29 23:03:31 +02:00 committed by GitHub
parent ef306eb948
commit d91b083031
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1 changed files with 13 additions and 1 deletions
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14
rust/logos-blockchain-circuits-build/src/lib.rs
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@ -115,6 +115,13 @@ mod prebuilt {
}
}
/// Resolves the circuits root directory, either from the environment variable
/// or by downloading a prebuilt version.
///
/// If called more than once per build script (e.g. `build_circuit` +
/// `build_rapidsnark`), `cargo:rustc-env=LBC_ROOT_DIR` is emitted twice. Cargo
/// takes last-wins for duplicate keys, but this is safe here since both calls
/// resolve to the same path.
fn resolve_root() -> PathBuf {
println!("cargo:rerun-if-env-changed={LBC_ROOT_DIR}");
println!("cargo:rerun-if-env-changed=CARGO_PKG_VERSION");
@ -188,8 +195,13 @@ pub fn build_circuit(circuit_name: &str) {
pub fn build_rapidsnark() {
let root = resolve_root();
let extension = if std::env::var("CARGO_CFG_TARGET_OS").as_deref() == Ok("windows") {
".exe"
} else {
""
};
for binary in ["prover", "verifier"] {
let path = root.join(binary);
let path = root.join(format!("{binary}{extension}"));
println!("cargo:rerun-if-changed={}", path.display());
}
}