Cabal can't open a TCP connection

[Kim-Ee Yeoh]

On Thu, May 8, 2014 at 8:22 PM, Simon Peyton Jones <simonpj at microsoft.com>wrote:

> On a machine that doesn't need to use a proxy server, what should
> $http_proxy be set to?


It's a Maybe (Maybe String) problem. Blame Cabal for not ignoring an empty
http_proxy. The *nix programs I've tried treat empty as unset.

The solution is: unset HTTP_PROXY.

-- Kim-Ee
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