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I'm having trouble installing caldecott on osx mountain lion. I keep getting this error:

$ sudo gem install caldecott --no-rdoc --no-ri

ERROR: Error installing caldecott: ERROR: Failed to build gem native extension.

    /Users/Jay/.rvm/rubies/ruby-1.9.3-p327/bin/ruby extconf.rb

checking for main() in -lssl... * extconf.rb failed * Could not create Makefile due to some reason, probably lack of necessary libraries and/or headers. Check the mkmf.log file for more details. You may need configuration options.

/Users/Jay/.rvm/rubies/ruby-1.9.3-p327/lib/ruby/1.9.1/mkmf.rb:369:in `try_do': The compiler failed to generate an executable file. (RuntimeError) You have to install development tools first.

Here is my gem list:

* LOCAL GEMS *

addressable (2.2.8) af (0.3.18.11) bundler (1.2.3) cfoundry (0.4.15) clouseau (0.0.2) interact (0.5.1, 0.4.8) json_pure (1.6.7) manifests-vmc-plugin (0.4.19) mime-types (1.19) mothership (0.3.5) multi_json (1.4.0) multipart-post (1.1.5) rake (10.0.2) rb-readline (0.4.2) rest-client (1.6.7) rubygems-bundler (1.1.0) rubyzip (0.9.9) rvm (1.11.3.5) terminal-table (1.4.5) tunnel-dummy-vmc-plugin (0.0.2) uuidtools (2.1.3) vmc (0.4.7)

Any ideas on how I can get this to work. Or is there another way to tunnel to my mongodb on appfog?

user1913779
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1 Answers1

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First thing I notice is that your running gem install as root. If you're using RVM, you don't need to do this.

The likely issue here is that you don't have a C compiler installed, Caldecott uses native libraries and it requires them to be built. In the case of OS X, you need to install xcode. Do you have that installed?

Dan Higham
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  • You'll need Xcode *with command line tools* installed, the process for which has changed in Mavericks. Take a look over here: http://stackoverflow.com/questions/19066647/xcode-5-0-error-installing-command-line-tools – LordParsley Mar 15 '14 at 09:48