https://ruby-china.org/actberw en-us <p>如果在项目目录下有.rvmrc 文件，内容为：rvm use ruby-1.9.3-p194@gemsetname 在 cd 到项目目录时自动执行相关的 hook，请问下这个是怎么实现的？</p> actberw Tue, 11 Dec 2012 10:54:34 +0800 https://ruby-china.org/topics/7462 https://ruby-china.org/topics/7462 <p>今天在安装 redmine 和插件 backlogs，提示：</p> <p>ERROR: Error installing nokogiri: ERROR: Failed to build gem native extension.</p> <p>/home/xxxx/.rvm/rubies/ruby-1.9.3-head/bin/ruby extconf.rb checking for libxml/parser.h... *** 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. </p> <p>也安装了 libxslt-dev libxml2-dev </p> <p>shell &gt; find /usr/include/ -name libxml /usr/include//libxml2/libxml</p> <p>想按照 <a href="http://kenjiru.ro/blog/2012/02/install-the-backlogs-plugin-for-redmine-on-hostgator" rel="nofollow" target="_blank">http://kenjiru.ro/blog/2012/02/install-the-backlogs-plugin-for-redmine-on-hostgator</a> 来直接 compile，指定位置： shell &gt; gem compile nokogiri-1.5.5.gem --with-xml2-include=/usr/include/libxml2</p> <p>却提示 invalid option: --with-xml2-include=/usr/include/libxml2</p> <p>用了 rvm，ruby 版本是 ruby-1.9.3-head，系统是： Distributor ID: Debian Description: Debian GNU/Linux 6.0.5 (squeeze) Release: 6.0.5 Codename: squeeze</p> <p>对 ruby 不熟，求帮忙，万分感谢！</p> actberw Fri, 19 Oct 2012 13:41:40 +0800 https://ruby-china.org/topics/6178 https://ruby-china.org/topics/6178