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Another OSX Lion snag: no formula for libyaml

asked 2012-06-20 09:27:05 -0500

tom temple gravatar image

On my brand new today Macbook Pro 10.7.4, following the instructions here, it fails on step 1.2.2:

brew install ros/fuerte/libyaml

Error: No available formula for libyaml

Please tap it and then try again: brew tap ros/fuerte

The only warning I got from brew tap ros/fuerte was related to flann, which I doubt is relevant.

Thanks for any help.

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I have reason to believe that this is a problem with my homebrew installation and isn't related to ros. I'll let you know.

tom temple gravatar image tom temple  ( 2012-06-20 09:46:14 -0500 )edit

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answered 2012-06-20 19:21:46 -0500

William gravatar image

Support for Fuerte is still experimental. I would recommend Electric on OS X for the time being.

As for this problem, there used to be a version of libyaml specifically for ROS, a frozen version if you will. This strategy of freezing non-ROS formulae hasn't worked out so well, so the duplicate formulae in the ros-fuerte tap have been removed. This is why you can't find the libyaml in the ros/fuerte tap.

You can simply replace this command with brew install --universal libyaml and you should be able to continue, but I think you will run into more issues shortly after. You can continue down this path with Fuerte, or backup to Electric, up to you.

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Asked: 2012-06-20 09:27:05 -0500

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Last updated: Jun 20 '12