安装nokogiri的gem devkit时缺少libxml2(Windows) [英] libxml2 missing when installing nokogiri's gem devkit (windows)

问题描述

我在使用这个gem时遇到了很多问题，因此我读到必须使用de 1.5.0-beta.

I've been experiencing a lot of problems with this gem, so I read that I had to use de 1.5.0-beta.

由于我使用Windows，因此下载了DevKit.但是当我跑步时:

Since I'm using windows, I downloaded DevKit. But when I ran:

gem安装nokogiri --pre---with-xml2-lib --with-xslt-lib

gem install nokogiri --pre -- --with-xml2-lib --with-xslt-lib

我得到:

Temporarily enhancing PATH to include DevKit...
Building native extensions.  This could take a while...
ERROR:  Error installing nokogiri:
        ERROR: Failed to build gem native extension.

        C:/Ruby187/bin/ruby.exe extconf.rb --with-xml2-lib --with-xslt-lib --pla
taform=ruby
*** 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=C:/Ruby187/bin/ruby
        --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-iconv-dir
        --without-iconv-dir
        --with-iconv-include
        --without-iconv-include=${iconv-dir}/include
        --with-iconv-lib
        --without-iconv-lib=${iconv-dir}/lib
        --with-xml2-dir
        --without-xml2-dir
        --with-xml2-include
        --without-xml2-include=${xml2-dir}/include
        --with-xml2-lib=${xml2-dir}/lib
C:/Ruby187/lib/ruby/1.8/mkmf.rb:1177:in `dir_config': private method `split' cal
led for true:TrueClass (NoMethodError)
        from extconf.rb:87


Gem files will remain installed in C:/Ruby187/lib/ruby/gems/1.8/gems/nokogiri-1.
5.0.beta.4 for inspection.
Results logged to C:/Ruby187/lib/ruby/gems/1.8/gems/nokogiri-1.5.0.beta.4/ext/no
kogiri/gem_make.out

我该怎么办?

推荐答案

使用类似

gem install nokogiri --pre -- --with-xml2-lib --with-xslt-lib

您似乎正在尝试安装最新版本的nokogiri.尝试使用--version指定精确版本.

it looks like you're trying to install the very latest version of nokogiri. Try specifying a precise version with --version.

还请注意以下有关nokogiri 1.6+的要求

Also note the following requirements for nokogiri 1.6+

• 红宝石1.9.3或更高版本
• 在Nokogiri 1.6.0和更高版本中，不再需要libxml2和libxslt

因此，如果您确实想使用ruby 1.8.7(即EOL，顺便说一句)，是的，您确实需要指定nokogiri< 1.6.但是，如果您可以使用现代的活红宝石，则可以避开lib依赖项.

So, if you do want to use ruby 1.8.7 (which is EOL, btw) then, yes, you do need to specify nokogiri < 1.6. However, if you can use a modern, living ruby, then you might dodge the lib dependencies.

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