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我想创建一个聊天机器人，为此我想使用Link Parser，它基本上是一个引擎，可以在查看某个句子时查找单词之间的关系。无法安装Rubygem“链接解析器”
有一个Ruby wrapper，我试图通过使用安装：
gem install linkparser
也：
gem install linkparser -- --with-link-grammar="C:\Users\Gebruiker\Downloads\Linkparsergrammar\linkgrammar4r-0.0.3"
不过，我不断收到以下错误：
Temporarily enhancing PATH to include DevKit...
Building native extensions. This could take a while...
ERROR: Error installing linkparser:
ERROR: Failed to build gem native extension.
C:/Ruby193/bin/ruby.exe extconf.rb --with-link-grammar=C:\Users\Gebruiker\Downloads\Linkparsergrammar\linkgrammar4r-0.0.3
checking for pkg-config... no
Couldn't find your pkg-config binary
*** 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:/Ruby193/bin/ruby
--with-link-grammar
--with-pkg-config
--without-pkg-config
Gem files will remain installed in C:/Ruby193/lib/ruby/gems/1.9.1/gems/linkparser-1.1.3 for inspection.
Results logged to C:/Ruby193/lib/ruby/gems/1.9.1/gems/linkparser-1.1.3/ext/gem_make.out
我在Windows Vista 32位上，并使用最新的Ruby（1.9.3-p125）
有人可以解释发生了什么？