Link against the system OpenSSL. Otherwise build the vendored copy. Link against system libgit2 1.9.x. Otherwise build the vendored copy. Link against the system libcurl. Otherwise build the vendored copy. Install with a runtime dependency on libsecret for registry credentials. Install man pages rendered from the upstream markdown. https://github.com/nabijaczleweli/cargo-update/issues nabijaczleweli/cargo-update cargo-update