Gem install RedCloth

I am just learning Ruby and have become somewhat frustrated on this
issue.

I am trying to install Redcloth and I keep getting an error back

C:>gem install RedCloth
Building native extensions. This could take a while…
ERROR: Error installing RedCloth:
ERROR: Failed to build gem native extension.

C:/Ruby186/bin/ruby.exe extconf.rb
creating Makefile

make
‘make’ is not recognized as an internal or external command,
operable program or batch file.

Gem files will remain installed in
C:/Ruby186/lib/ruby/gems/1.8/gems/RedCloth-4.
2.3 for inspection.
Results logged to
C:/Ruby186/lib/ruby/gems/1.8/gems/RedCloth-4.2.3/ext/redcloth_
scan/gem_make.out

I installed Ruby 1.8.6-p398 and downloaded gems 1.3.7 and installed
that.
This is on Win 7 if it makes any difference. I am following a Ruby book.

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Am 26.08.2010 17:41, schrieb Tim Ss:

C:/Ruby186/bin/ruby.exe extconf.rb
Results logged to
C:/Ruby186/lib/ruby/gems/1.8/gems/RedCloth-4.2.3/ext/redcloth_
scan/gem_make.out

I installed Ruby 1.8.6-p398 and downloaded gems 1.3.7 and installed
that.
This is on Win 7 if it makes any difference. I am following a Ruby book.

You need a C compiler to install gems with native extensions. The
RubyInstaller[1] team provides a devkit for this, but I’m not sure if
that works with your really old Ruby installation. Install a newer
Ruby, e.g. 1.9.2 or 1.8.7, and try it.

Vale,
Marvin

[1] http://rubyinstaller.org
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Where or how do I get this C compiler. The book mentions nothing about
it.

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Am 26.08.2010 18:10, schrieb Tim Ss:

Where or how do I get this C compiler. The book mentions nothing about
it.

At first, you need to know that RubyGems can be written in other
languages than Ruby, notably C. That’s useful, because it enables one to
extend Ruby with capabilities that aren’t accessable otherwise and
although the vast majority of gems is written in pure Ruby and doesn’t
need a C compiler there are sometimes exceptions as RedCloth.
The reason why your book doesn’t mention this is probably because it’s
contents weren’t tested with a Windows system. Many Ruby developers run
Linux distributions, and Linux always comes with GCC, the GNU C
Compiler, already installed. Same goes for Macs I suppose, although I
never had one.

Your starting point to the devkit should be here I suppose:
http://rubyinstaller.org/add-ons/devkit/

Vale,
Marvin
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Where or how do I get this C compiler. The book mentions nothing about
it.

http://wiki.github.com/oneclick/rubyinstaller/development-kit

Book is out of date.

Roger P. wrote:

Where or how do I get this C compiler. The book mentions nothing about
it.

http://wiki.github.com/oneclick/rubyinstaller/development-kit

Book is out of date.

Thank You! This worked

On Aug 26, 12:41 pm, Tim Ss [email protected] wrote:

C:/Ruby186/bin/ruby.exe extconf.rb
creating Makefile

make
‘make’ is not recognized as an internal or external command,
operable program or batch file.

You need a compiler.

I installed Ruby 1.8.6-p398 and downloaded gems 1.3.7 and installed
that.

If you installed Ruby 1.8.6 from RubyInstaller, you don’t need to
download RubyGems, it is already part of the package.

Please download the DevKit and follow the installation instructions
from our wiki:

http://rubyinstaller.org/downloads
http://wiki.github.com/oneclick/rubyinstaller/development-kit

I would recommend you also install Ruby 1.8.7 instead of 1.8.6, as
that version has been kept for compatibility reasons while 1.8.7 is
receiving more support form both Ruby developers and RubyInstaller
team.

HTH,

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