From: Luis Lavena <luislavena@...>
Date: 2010-05-06T01:30:07+09:00
Subject: Re: racc 1.4.6 fails to install on windows

On May 5, 2:15 am, Amey Mahajan <amey_maha...@persistent.co.in> wrote:
> racc fails to install and gives following error on the STDOUT.
>
> D:\Watir>gem install --local racc-1.4.6.gem
> Building native extensions.  This could take a while...
> ERROR:  Error installing racc-1.4.6.gem:
>         ERROR: Failed to build gem native extension.
>
> C:/Ruby/bin/ruby.exe extconf.rb
> extconf.rb:3:in ``': No such file or directory - uname -p
> (Errno::ENOENT)
>         from extconf.rb:3
>
> Gem files will remain installed in
> C:/Ruby/lib/ruby/gems/1.8/gems/racc-1.4.6 for
>  inspection.
> Results logged to
> C:/Ruby/lib/ruby/gems/1.8/gems/racc-1.4.6/ext/racc/cparse/gem_
> make.out
>
> I need windows equivalent of the racc-1.4.6.gem by performing following
> steps.
>
> 1. Edit the racc-1.4.6.gem for
> "C:\ruby\lib\ruby\gems\1.8\gems\racc-1.4.6\ext\racc\cparse\extconf.rb"
> 2. Comment "ENV["ARCHFLAGS"] = "-arch #{`uname -p` =~ /powerpc/ ? 'ppc'
> : 'i386'}" " line from extconf.rb
> 3. Execute following steps and provide the gem.
> % cp -r C:\ruby\lib\ruby\gems\1.8\gems\racc-1.4.6 $HOME
> % cd $HOME/racc-1.4.6
> % rake gem
> % gem install pkg/racc-1.4.6.gem
>
> Note: I don't have Ruby DevKit.
>

Ruby DevKit is required to compile extensions that are not provided as
prebuilt-binaries.

Please report to racc bug tracker the issue with Windows:

http://rubyforge.org/projects/racc/

You can suggest the project developers to use rake-compiler to take
advantage of cross-compilation functionality and provide binaries for
Windows.

--
Luis Lavena