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I am using OSX Yosemite (10.10.3), and when I try to install cupertino via gem using "gem install cupertino" I get the following error. What can I do to correct this. I have tried many solutions I have tried online to no avail. 

libxml2 is missing.  Please locate mkmf.log to investigate how it is failing.
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*** extconf.rb failed ***
Could not create Makefile due to some reason, probably lack of necessary
libraries and/or headers
mattman88
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  • What OS do you use? You need to install the appropriate libxml2 development headers package for your system. – Michael Berkowski Jul 09 '15 at 18:28
  • I am using OSX Yosemite (10.10.3) – mattman88 Jul 09 '15 at 18:28
  • Do you use Homebrew? A `brew install libxml2` is maybe sufficient. http://stackoverflow.com/questions/24091869/installing-nokogiri-on-osx-10-10-yosemite – Michael Berkowski Jul 09 '15 at 18:30
  • Hi, yes I did that, actually I just solved this after hours of frustration. So you need to do bre winstall libxml2 as you said. but my specific problem was Nokogiri. I had to install it this way NOKOGIRI_USE_SYSTEM_LIBRARIES=1 gem install nokogiri -- --use-system-libraries --with-iconv-dir="$(brew --prefix libiconv)" --with-xml2-config="$(brew --prefix libxml2)/bin/xml2-config" --with-xslt-config="$(brew --prefix libxslt)/bin/xslt-config" Only after installing Nogogiri this way could I run "gem install cupertino" and have it not error out – mattman88 Jul 09 '15 at 18:34

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On Ubuntu a apt-get install libxml2-dev will install the missing parts.

disco crazy
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