Twitter gem not getting installed

Hi guys,

   I have to update a Twiter account from my Rails application. So I 

am
trying to install Twitter4R api.
But I am getting error when i give following command:

   C:\>gem install twitter4r

    Building native extensions.  This could take a while...
    ERROR:  Error installing twitter4r:
    ERROR: Failed to build gem native extension.
    c:/ruby/bin/ruby.exe extconf.rb install twitter4r creating 

Makefile
nmake
‘nmake’ is not recognized as an internal or external command,
operable program or batch file.
Gem files will remain installed in
c:/ruby/lib/ruby/gems/1.8/gems/json-1.1.3 for
inspection.
Results logged to
c:/ruby/lib/ruby/gems/1.8/gems/json-1.1.3/ext/json/ext/parser/
gem_make.out

So, what could be the problem? Do I need to install some supporting gem
file? Please help me.

Thanks.

Hi,

Unfortunately this isn’t the right group to post this query, but since
I see similar questions about Twitter4R were previously asked on this
group I will give an answer and CC the Twitter4R-Users Google Group
(twitter4r-users).

This following blog post talks about his issues with install JSON
1.1.3 (which is what Twitter4R gem install tries to do because it
depends on the JSON gem):
http://justindz.tumblr.com/post/63305648/the-battle-for-ruby-json-on-windows-vista

The compilation error is on the JSON Ruby gem install not specifically
the Twitter4R gem install. A workaround might be to install the JSON
1.1.1 version on Windows (which I believe works) or put cl.exe’s
directory in your PATH environment variable.

HTH,
Susan

This is a common problem on windows platform where development tools
(compiler and linker) and libraries are not in the path.

Thanks for reply.

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