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fix: link libc++ instead of libstdc++ for Rust FFI on Linux #21203

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Merged
notnotraju merged 1 commit into from
Mar 6, 2026
Merged

fix: link libc++ instead of libstdc++ for Rust FFI on Linux #21203

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10 changes: 3 additions & 7 deletions barretenberg/rust/barretenberg-rs/build.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -10,13 +10,9 @@ fn main() {
// libbb-external.a contains everything needed: barretenberg + env + vm2_stub
println!("cargo:rustc-link-lib=static=bb-external");

// Link C++ standard library (different name on macOS/iOS vs Linux)
let target = std::env::var("TARGET").unwrap();
if target.contains("apple") || target.contains("android") {
println!("cargo:rustc-link-lib=dylib=c++");
} else {
println!("cargo:rustc-link-lib=dylib=stdc++");
}
// Link C++ standard library
// barretenberg is built with Clang/libc++ on all platforms
println!("cargo:rustc-link-lib=dylib=c++");
}
}

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