> https://github.com/Qiskit/qiskit-aer/commit/d445d0136f61523281fc22f9e20be9c0 > 16e1dd8e looks relevant. > > There's a muparserx package in aur, > https://aur.archlinux.org/packages/muparserx . > > Try building with that as makedepend or depend ?
Just tried, and still same error. Even if muparserx is installed, it still clones the repo during the python setup.py build.
