From: Peter Wood <peter@...>
Date: 2005-04-12T17:20:50+09:00
Subject: Re: extensions on Windows

Steve,

I ran into this one as well while using the free compilation tools 
from Microsoft. I believe you also have to install the .Net SDK to 
get the MSVCRT.lib. Hope that helps.

Peter

>I could use some help from someone who knows Windows.
>
>We use a commercial system engineering tool here at work. It has a C API
>that I've wrapped with SWIG and successfully made into an extension on
>Linux. The vendor's Linux library is static, but building it into the
>Ruby interpreter is straightforward. It works well.
>
>Some of my colleagues would like to use this extension on Windows. I run
>Cygwin with Ruby on my Windows machine, but the vendor's DLL was built
>with a Microsoft compiler. I played around for a couple of hours with
>trying to get gcc to link against a MS DLL and got nowhere, so I
>installed the One-Click Ruby for Windows and downloaded MS Visual C++
>Toolkit 2003. After another couple of hours, it seemed I needed to also
>install something called the Platform SDK. OK, did that, but now it
>fails to find MSVCRT.lib when linking.
>
>What am I missing? Is there some simple way to set up an environment
>that can compile a single .c file, link against a DLL, and make a shared
>object for Ruby?
>
>Any help appreciated.
>
>Steve