This is the error message I got after recently running brew upgrade:

enter image description here

The command which solc, still outputs:


Is this a problem?

Maybe I should uninstall and reinstall my solidity compiler?

Or, rather- does it even make sense to have it installed using homebrew? In fact I'd prefer to build it from source.

1 Answer 1


We recently changed some aspects of the build system. Could you please open an issue on https://github.com/ethereum/solidity? Also your screenshot does not really show the error message, it should be a little further up. Thanks!

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