From: gga <GGarramuno@...>
Date: 2007-04-15T04:25:11+09:00
Subject: Re: Nuby question on using C++ with Swig - issues with cout

On Apr 13, 7:00 pm, james.d.mast...@gmail.com wrote:

> % make
> % ruby -e 'require "hello"'
> ./hello.so: ./hello.so: undefined symbol: _ZSt4cout - ./hello.so
> (LoadError)
>         from -e:1
>
> Please help me on this... is this an issue with dynamic linking?
>

Yes.  You need to link in the std C++ library (libstdc++ on linux).