無法在Windows 7上安裝Watir gem 64位

我正在運行以下錯誤。當我嘗試安裝gem watir時，下面是gem install watir後面的寶石列表。無法在Windows 7上安裝Watir gem 64位

我的系統配置是OS-Windows7的（64位）和瀏覽器是IE = 9

C:\Users\Farooq>gem list 


    *** LOCAL GEMS *** 

    bigdecimal (1.2.1, 1.1.0) 
    childprocess (0.3.9) 
    commonwatir (4.0.0) 
    ffi (1.9.0 x86-mingw32) 
    io-console (0.4.2, 0.3) 
    json (1.8.0, 1.5.5) 
    mini_portile (0.5.1) 
    minitest (5.0.8, 2.5.1) 
    multi_json (1.8.1) 
    rake (10.1.0, 0.9.2.2) 
    rdoc (4.0.1, 3.9.5) 
    rubyzip (1.0.0, 0.9.9) 
    selenium-webdriver (2.35.1) 
    watir-webdriver (0.6.4) 
    websocket (1.1.1, 1.0.7) 
    win32-api (1.5.0 universal-mingw32) 
    win32-process (0.7.3) 
    windows-api (0.4.2) 
    windows-pr (1.2.2)enter code here' 
    enter code here

當我執行寶石安裝的Watir。我得到了以下輸出錯誤。

C:\Users\Farooq>gem install watir 
    Temporarily enhancing PATH to include DevKit... 
    Building native extensions. This could take a while... 
    ERROR: Error installing watir: 
    ERROR: Failed to build gem native extension. 

    D:/Ruby193/bin/ruby.exe extconf.rb 
    checking for libxml/parser.h... no 
    ----- 
    libxml2 is missing. please visit http://nokogiri.org/tutorials/installing_nokog 
    iri.html for help with installing dependencies. 
    ----- 
    *** 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=D:/Ruby193/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=${xml2-dir}/include 
    --with-xml2-lib 
    --without-xml2-lib=${xml2-dir}/lib 
    --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-libxml-2.0-config 
    --without-libxml-2.0-config 
    --with-pkg-config 
    --without-pkg-config 
    --with-libiconv-config 
    --without-libiconv-config 
    --with-pkg-config 
    --without-pkg-config 


    Gem files will remain installed in D:/Ruby193/lib/ruby/gems/1.9.1/gems/nokogiri- 
    1.6.0.rc1 for inspection. 
    Results logged to D:/Ruby193/lib/ruby/gems/1.9.1/gems/nokogiri-1.6.0.rc1/ext/nok 
    ogiri/gem_make.out 

    C:\Users\Farooq>

來源

2013-10-12 khan

好像你應該安裝'libxml'第一。 –

你能告訴我該怎麼做 – khan

也許這會有所幫助：http://www.xmlsoft.org/downloads.html –