Gold also supports incremental linking [0], where it basically modifies the existing binary by only replacing the changed parts of it. I've never used it myself

Gold also supports incremental linking [0], where it basically modifies the existing binary by only replacing the changed parts of it. I've never used it myself so I don't know how well it works, but you might want to look into it if you haven't already. [0] https://gcc.gnu.org/wiki/GoldIncrementalLinking https://gcc.gnu.org/wiki/GoldIncrementalLinking