title: Error installing Nokogiri-xmlsec-me-harder Mac El Capitan
body: <h2>get this error when doing bundle install:</h2>
  
  <pre><code>An error occurred while installing nokogiri-xmlsec-me-harder (0.9.3pre), and
  Bundler cannot continue.
  </code></pre>
  
  <hr>
  
  <h2>I've tried all the different suggestions for installing nokigori but none worked so I tried:</h2>
  
  <pre><code>gem install nokogiri-xmlsec-me-harder
  
  Fetching: nokogiri-xmlsec-me-harder-0.9.2.gem (100%)
  Building native extensions.  This could take a while...
  ERROR:  Error installing nokogiri-xmlsec-me-harder:
      ERROR: Failed to build gem native extension.
  
      current directory: /Users/sylviaalowden/.rvm/rubies/ruby-2.3.1/lib/ruby/gems/2.3.0/gems/nokogiri-xmlsec-me-harder-0.9.2/ext/nokogiri_ext_xmlsec
  /Users/sylviaalowden/.rvm/rubies/ruby-2.3.1/bin/ruby -r ./siteconf20160921-62548-1ly6yoh.rb extconf.rb
  checking for ruby.h... yes
  Clfags: $(cflags)  -fno-common -pipe -DXMLSEC_CRYPTO=\"openssl\" -D__XMLSEC_FUNCTION__=__FUNCTION__ -DXMLSEC_NO_SIZE_T -DXMLSEC_NO_GOST=1 -DXMLSEC_NO_XKMS=1 -DXMLSEC_NO_CRYPTO_DYNAMIC_LOADING=1 -DXMLSEC_OPENSSL_100=1 -DXMLSEC_CRYPTO_OPENSSL=1 -fvisibility=hidden
  creating Makefile
  
  To see why this extension failed to compile, please check the mkmf.log which can be found here:
  
    /Users/sylviaalowden/.rvm/gems/ruby-2.3.1@global/extensions/x86_64-darwin-15/2.3.0/nokogiri-xmlsec-me-harder-0.9.2/mkmf.log
  
  current directory: /Users/sylviaalowden/.rvm/rubies/ruby-2.3.1/lib/ruby/gems/2.3.0/gems/nokogiri-xmlsec-me-harder-0.9.2/ext/nokogiri_ext_xmlsec
  make "DESTDIR=" clean
  
  current directory: /Users/sylviaalowden/.rvm/rubies/ruby-2.3.1/lib/ruby/gems/2.3.0/gems/nokogiri-xmlsec-me-harder-0.9.2/ext/nokogiri_ext_xmlsec
  make "DESTDIR="
  compiling init.c
  In file included from init.c:1:
  In file included from ./xmlsecrb.h:19:
  /usr/local/Cellar/libxmlsec1/1.2.20_1/include/xmlsec1/xmlsec/templates.h:11:9: warning: '__XMLSEC_TEMPLATES_H__' is used as a header guard here, followed by #define of a different macro [-Wheader-guard]
  #ifndef __XMLSEC_TEMPLATES_H__
          ^~~~~~~~~~~~~~~~~~~~~~
  /usr/local/Cellar/libxmlsec1/1.2.20_1/include/xmlsec1/xmlsec/templates.h:12:9: note: '__XMLSEC_TEMPALTES_H__' is defined here; did you mean '__XMLSEC_TEMPLATES_H__'?
  #define __XMLSEC_TEMPALTES_H__
          ^~~~~~~~~~~~~~~~~~~~~~
          __XMLSEC_TEMPLATES_H__
  1 warning generated.
  compiling nokogiri_decrypt_with_key.c
  In file included from nokogiri_decrypt_with_key.c:1:
  In file included from ./xmlsecrb.h:19:
  /usr/local/Cellar/libxmlsec1/1.2.20_1/include/xmlsec1/xmlsec/templates.h:11:9: warning: '__XMLSEC_TEMPLATES_H__' is used as a header guard here, 
  ........................
  /usr/local/Cellar/libxmlsec1/1.2.20_1/include/xmlsec1/xmlsec/templates.h:12:9: note: '__XMLSEC_TEMPALTES_H__' is defined here; did you mean '__XMLSEC_TEMPLATES_H__'?
  #define __XMLSEC_TEMPALTES_H__
          ^~~~~~~~~~~~~~~~~~~~~~
          __XMLSEC_TEMPLATES_H__
  1 warning generated.
  linking shared-object nokogiri_ext_xmlsec.bundle
  ld: file not found: /usr/lib/system/libsystem_symptoms.dylib for architecture x86_64
  clang: error: linker command failed with exit code 1 (use -v to see invocation)
  make: *** [nokogiri_ext_xmlsec.bundle] Error 1
  
  make failed, exit code 2
  </code></pre>
  
  <p>Only showing beginning and end of mkmf.log for space reasons. How can I fix this?</p>