Ansible Installation -clang: error: unknown argument: '-mno-fused-madd'

Question

So, I\'ve found some other clang error\'s on here that appear to be somewhat similar, however, the fixes aren\'t applicable to my situation.

I\'m using OSX Mavericks

Answer 1

I ran into the same problem recently while trying to install a different package.

Setting the following environment variables prior to installing with pip resolved the issue for me:

export CFLAGS=-Qunused-arguments
export CPPFLAGS=-Qunused-arguments

If you're installing via sudo, don't forget to use "sudo -E" so that your environment variables propagate through sudo.

If that doesn't work for you, try the following command instead:

ARCHFLAGS=-Wno-error=unused-command-line-argument-hard-error-in-future pip install ansible

Alternatively, as yet another potential solution, you can attempt to recompile a fresh version of python using Homebrew.

See this question for more information.

Hope this helps!