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I encountered a problem while adding plugins to one redmine while running bundle install.

• Try to install plugins for redmine:
  

  cd /usr/local/www/redmine
  bundle install --path vendor/bundle
  

  • Resulted in:
    

    Building nokogiri using packaged libraries.
    
    Gem::Installer::ExtensionBuildError: ERROR: Failed to build gem native extension.
    
            /usr/local/bin/ruby19 extconf.rb 
    Building nokogiri using packaged libraries.
    -----
    libiconv is missing.  please visit http://nokogiri.org/tutorials/installing_nokogiri.html for help with installing dependencies.
    -----
    *** 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.
    
    Provided configuration options:
        --with-opt-dir
        --without-opt-dir
        --with-opt-include
        --without-opt-include=${opt-dir}/include
        --with-opt-lib
        --without-opt-lib=${opt-dir}/lib
        --with-make-prog
        --without-make-prog
        --srcdir=.
        --curdir
        --ruby=/usr/local/bin/ruby19
        --help
        --clean
        --use-system-libraries
        --enable-static
        --disable-static
        --with-zlib-dir
        --without-zlib-dir
        --with-zlib-include
        --without-zlib-include=${zlib-dir}/include
        --with-zlib-lib
        --without-zlib-lib=${zlib-dir}/lib
        --enable-cross-build
        --disable-cross-build
    
    Gem files will remain installed in /usr/local/www/redmine/vendor/bundle/ruby/1.9/gems/nokogiri-1.6.3.1 for inspection.
    Results logged to /usr/local/www/redmine/vendor/bundle/ruby/1.9/gems/nokogiri-1.6.3.1/ext/nokogiri/gem_make.out
    An error occurred while installing nokogiri (1.6.3.1), and Bundler cannot
    continue.
    Make sure that `gem install nokogiri -v '1.6.3.1'` succeeds before bundling.
    

• And when I went to install the gem directly, I received the above error. A similar problem was reported on StackOverflow on OSX, and the solution was to use the system libraries for building the nokogiri gem:
  

  gem install -v '1.6.3.1' -- --use-system-libraries
  

That allowed the gem to be installed, however it did not fix the problem happening with bundler.

• Another member on StackOverflow mentioned altering the bundler config:
  

  bundle config build.nokogiri "--use-system-libraries" 
  

And that did the trick!

NOTE: I needed to be root in order to install using the system libraries.

• Bundle install works again:
  

  bundle install --path vendor/bundle
  

Resources¶

• https://stackoverflow.com/questions/23668684/issue-installing-nokogiri-in-bundle-install