From: Heesob Park <phasis@...>
Date: 2009-03-19T22:43:41+09:00
Subject: Re: Problem compiling c extension with ruby-1.9.1 on windows

Hi,
2009/3/19 Praveen <praveendevarao@gmail.com>:
> Hi,
>
> I am trying to compile a ruby-c extension with ruby1.9.1 (binaries
> downloaded from ruby-lang.org) on windows using VS 2008. when I run
> ruby extconf.rb I get an error as below.
>
> c:/ruby191/lib/ruby/1.9.1/mkmf.rb:363:in `try_do': The complier failed
> to genera
> te an executable file. (RuntimeError)
> You have to install development tools first.
>        from c:/ruby191/lib/ruby/1.9.1/mkmf.rb:416:in `try_link0'
>        from c:/ruby191/lib/ruby/1.9.1/mkmf.rb:420:in `try_link'
>        from c:/ruby191/lib/ruby/1.9.1/mkmf.rb:528:in `try_func'
>        from c:/ruby191/lib/ruby/1.9.1/mkmf.rb:724:in `block in
> have_library'
>        from c:/ruby191/lib/ruby/1.9.1/mkmf.rb:669:in `block in
> checking_for'
>        from c:/ruby191/lib/ruby/1.9.1/mkmf.rb:274:in `block (2
> levels) in postp
> one'
>        from c:/ruby191/lib/ruby/1.9.1/mkmf.rb:248:in `open'
>        from c:/ruby191/lib/ruby/1.9.1/mkmf.rb:274:in `block in
> postpone'
>        from c:/ruby191/lib/ruby/1.9.1/mkmf.rb:248:in `open'
>        from c:/ruby191/lib/ruby/1.9.1/mkmf.rb:270:in `postpone'
>        from c:/ruby191/lib/ruby/1.9.1/mkmf.rb:668:in `checking_for'
>        from c:/ruby191/lib/ruby/1.9.1/mkmf.rb:719:in `have_library'
>        from extconf.rb:26:in `<main>'
>
> What development tools is it expecting? how will I be able to install
> the same?
>
> Any help is highly appreciated.
>
The binary downloaded from ruby-lang is compiled using VS 6.0.
And it is not compatible with VS 2008.
You should install VS 6.0.

Regards,

Park Heesob