Can I change ‘rpath’ in an already compiled binary?

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There is a more universal tool than chrpath called patchelf. It was originally created for use in making packages for Nix and NixOS (packaging system and a GNU/Linux distribution).

In case there is no rpath in a binary (here called rdsamp), chrpath fails:

chrpath -r '$ORIGIN/../lib64' rdsamp 
rdsamp: no rpath or runpath tag found.

On the other hand,

patchelf --set-rpath '$ORIGIN/../lib64' rdsamp

succeeds just fine.

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