From: Brian Candler <b.candler@...>
Date: 2009-02-27T18:07:32+09:00
Subject: Re: Problem with new ruby install and openssl.rb (on Ubuntu)

Phor Gruber wrote:
> I'm on ubuntu-linux and I do see openssl development packages inside of
> my OS:
> 
> $ apt-cache search libssl
> cl-plus-ssl - A simple Common Lisp interface to OpenSSL
> dcmtk - The OFFIS DICOM toolkit command line utilities
> libdcmtk1 - The OFFIS DICOM toolkit runtime libraries
> libdcmtk1-dev - The OFFIS DICOM toolkit development libraries and
> headers
> libssl-ocaml - OCaml bindings for OpenSSL
> libssl-ocaml-dev - OCaml bindings for OpenSSL
> libssl-dev - SSL development libraries, header files and documentation
> libssl0.9.8 - SSL shared libraries
> libssl0.9.8-dbg - Symbol tables for libssl and libcrypto

No you don't... apt-cache shows you which packages are *available* for 
you to install, not ones you actually have installed.

To see what's installed, use: dpkg-query -l | grep ssl

Then most likely you'll want to do: apt-get install libssl-dev

> Also, I see this:
> 
> $ apt-cache search  libopenssl-ruby
> libopenssl-ruby - OpenSSL interface for Ruby
> libopenssl-ruby1.9 - OpenSSL interface for Ruby 1.9
> ruby1.8 - Interpreter of object-oriented scripting language Ruby 1.8
> libopenssl-ruby1.8 - OpenSSL interface for Ruby 1.8

If you were using Ubuntu's ruby1.8 package, then you could just install 
Ubuntu's libopenssl-ruby.

But if you're building from source, you'll need libssl-dev.

HTH,

Brian.

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