From: Brian Candler <b.candler@...>
Date: 2010-09-17T16:26:08+09:00
Subject: Re: A problem with Gem

Zark Yoc wrote:
> so I download sourcecode and compile , but this problem is first time
> occurs...

I think that's your problem.

When you built ruby, you were missing the zlib header files (probably a 
package called "zlib-devel"), and so ruby skipped building the zlib 
extension.

Before you rebuild, I suggest you also check you have the openssl-devel 
package installed, otherwise you won't be able to use things like 
Net::HTTPS.
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