Index: codex-rs/process-hardening/Cargo.toml
--- codex-rs/process-hardening/Cargo.toml.orig
+++ codex-rs/process-hardening/Cargo.toml
@@ -19,3 +19,6 @@ libc = { workspace = true }

 [target.'cfg(target_os = "macos")'.dependencies]
 libc = { workspace = true }
+
+[target.'cfg(target_os = "openbsd")'.dependencies]
+libc = { workspace = true }
