From: Venkat Akkineni <venkatram.akkineni@...>
Date: 2010-04-07T02:10:45+09:00
Subject: Re: /usr/bin/ld: cannot find -lruby

Thanks for the tip Brian. Now I know one more linux tool i.e ldconfig.

Venkat

Brian Candler wrote:
> Hemant Kumar wrote:
>> You should configure ruby with "--enable-shared" option and then you
>> can just put
>> 
>> export LD_LIBRARY_PATH=$LD_LIBRARY_PATH:/opt/ruby/lib:.
>> 
>> this should fix you up, in no time.
> 
> LD_LIBRARY_PATH is a rather fragile frig. It will fail whenever this 
> environment variable is not set.
> 
> In any modern Linux distro, you should be able to do this:
> 
>   echo "/opt/ruby/lib" >/etc/ld.so.conf.d/ruby.conf
>   ldconfig
> 
> which will configure the loader permanently to search for libraries in 
> /opt/ruby/lib, and does not depend on environment variables.
> 
> If you don't have an /etc/ld.so.conf.d/ directory, then edit 
> /etc/ld.so.conf, add the line
>   /opt/ruby/lib
> to the end, then run ldconfig

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