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I am trying to install the unity-lens-shopping app.

I've downloaded unity-lens-shopping-6.8.0. When I ran ./configure the first time it complained I did not have the valac compiler. I went to the Ubuntu Software Center and installed it from there. This installed version 0.14.2. Then when I ran ./configure it said it complained configure: error: Vala 0.16.0 not found.

I went to "" and downloaded vala-0.18.0. When I run ./configure in there I get "configure: error: flex not found but required". Is there an easier (aka shorter) way to get the lens installed?

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Install 12.10 - It has shopping and the music store in the Unity lens.

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