使用gem的时候报错，求助！！
本人新学ruby，在使用gem安装libxml-ruby的时候报错如下:>gem install libxml-ruby
ERROR:Error installing libxml-ruby:
ERROR: Failed to build gem native extension.
C:/Ruby200/bin/ruby.exe extconf.rb
extconf.rb:17:in `<main>': Use RbConfig instead of obsolete and deprecated Config.
extconf.rb:17:in `<main>': Use RbConfig instead of obsolete and deprecated Config.
checking for socket() in -lsocket... no
checking for gethostbyname() in -lnsl... no
checking for atan() in -lm... yes
checking for inflate() in -lz... no
checking for inflate() in -lzlib... no
checking for inflate() in -lzlib1... no
checking for inflate() in -llibz... no
*** 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:/Ruby200/bin/ruby
--with-iconv-dir
--without-iconv-dir
--with-iconv-include
--without-iconv-include=${iconv-dir}/include
--with-iconv-lib
--without-iconv-lib=${iconv-dir}/
--with-zlib-dir
--without-zlib-dir
--with-zlib-include
--without-zlib-include=${zlib-dir}/include
--with-zlib-lib
--without-zlib-lib=${zlib-dir}/
--with-socketlib
--without-socketlib
--with-nsllib
--without-nsllib
--with-mlib
--without-mlib
--with-zlib
--without-zlib
--with-zliblib
--without-zliblib
--with-zlib1lib
--without-zlib1lib
--with-libzlib
--without-libzlib
extconf failure: need zlib
Gem files will remain installed in C:/Ruby200/lib/ruby/gems/2.0.0/gems/libxml-ruby-2.6.0 for inspection.
Results logged to C:/Ruby200/lib/ruby/gems/2.0.0/gems/libxml-ruby-2.6.0/ext/libxml/gem_make.out
Temporarily enhancing PATH to include DevKit...
Building native extensions.This could take a while...
什么原因呢？ DevKit这家伙找不到，装一下
页:
[1]