Home > Python, Software > Installing Mercurial on Mac

Installing Mercurial on Mac

$ brew install mercurial

If you see errors like:

clang: error: unknown argument: '-mno-fused-madd' [-Wunused-command-line-argument-hard-error-in-future] clang: note: this will be a hard error (cannot be downgraded to a warning) in the future

you can disable the ‘warning’ (which is now showing as error ) by:

$ ARCHFLAGS=-Wno-error=unused-command-line-argument-hard-error-in-future \ 
brew install mercurial

Again, after the install successed, if you see linking error:

Error: Could not symlink file: /usr/local/Cellar/mercurial/2.9/share/man/man5/hgrc.5
/usr/local/share/man/man5 is not writable. You should change its permissions.

You can change the permission. It is said to be safe to change the permission for the whole /usr/local. If you don’t want to do so, just do it for this case

$ sudo chown -R 'your-user-name' /usr/local/share/man/man5
 $ brew link mercurial
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Categories: Python, Software
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