nokogiri 报错

Gem::Ext::BuildError: ERROR: Failed to build gem native extension.

 

    /usr/local/Cellar/ruby/2.1.4/bin/ruby -r ./siteconf20150116-80917-1s1c05a.rb extconf.rb --use-system-libraries

checking if the C compiler accepts ... yes

checking if the C compiler accepts -Wno-error=unused-command-line-argument-hard-error-in-future... no

Building nokogiri using system libraries.

libxml2 version 2.6.21 or later is required!

*** 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

--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/Cellar/ruby/2.1.4/bin/ruby

--help

--clean

--use-system-libraries

--with-zlib-dir

--without-zlib-dir

--with-zlib-include

--without-zlib-include=${zlib-dir}/include

--with-zlib-lib

--without-zlib-lib=${zlib-dir}/lib

--with-xml2-dir

--without-xml2-dir

--with-xml2-include

--without-xml2-include=${xml2-dir}/include

--with-xml2-lib

--without-xml2-lib=${xml2-dir}/lib

--with-libxml-2.0-config

--without-libxml-2.0-config

--with-pkg-config

--without-pkg-config

--with-xslt-dir

--without-xslt-dir

--with-xslt-include

--without-xslt-include=${xslt-dir}/include

--with-xslt-lib

--without-xslt-lib=${xslt-dir}/lib

--with-libxslt-config

--without-libxslt-config

--with-pkg-config

--without-pkg-config

--with-exslt-dir

--without-exslt-dir

--with-exslt-include

--without-exslt-include=${exslt-dir}/include

--with-exslt-lib

--without-exslt-lib=${exslt-dir}/lib

--with-libexslt-config

--without-libexslt-config

--with-pkg-config

--without-pkg-config

 

extconf failed, exit code 1

 

Gem files will remain installed in /Users/senwang/Desktop/wsBlogRails/swBlog/vendor/bundle/ruby/2.1.0/gems/nokogiri-1.6.5 for inspection.

Results logged to /Users/senwang/Desktop/wsBlogRails/swBlog/vendor/bundle/ruby/2.1.0/extensions/x86_64-darwin-14/2.1.0/nokogiri-1.6.5/gem_make.out

An error occurred while installing nokogiri (1.6.5), and Bundler cannot

continue.

Make sure that `gem install nokogiri -v '1.6.5'` succeeds before bundling.

 

修复方法：

brew install libxml2 bundle config build.nokogiri "--use-system-libraries --with-xml2-include=/usr/local/opt/libxml2/include/libxml2" bundle install