在Windows上在轨道上的ruby的本机扩展概率gem时间

由于我是新手Ruby on Rails的，需要帮助的亲，在第一次的应用程序安装，因为我在我的系统上使用MySQL数据库，我也安装了它的gem，但我得到这个错误，当我做一个新的捆绑安装项目应用程序 当 bundle安装在以下阶段时， 会发生以下错误 ：

Installing mysql2 (0.2.13) with native extensions 

C：\ Sites \ proj2> bundle install获取http://rubygems.org/的源代码索引使用rake（0.9.2）使用abstract（1.0.0）使用activesupport（3.0.9）使用构build器（2.1.2）使用i18n（0.5.0）使用activemodel（3.0.9）使用erubis（2.6.6）使用机架（1.2.3）使用机架安装（0.6.14）使用机架testing（0.5.7）使用tzinfo（0.3。 29）使用actionpack（3.0.9）使用mime-types（1.16）使用polyglot（0.3.2）使用树梢（1.4.10）使用邮件（2.2.19）使用actionmailer（3.0.9）使用arel（2.0.10） ）使用activerecord（3.0.9）使用activeresource（3.0.9）使用bundler（1.0.15 ）使用本机扩展安装mysql2（0.2.13） C：/RailsInstaller/Ruby1.8.7/li b / ruby​​ / site_ruby / 1.8 / rubygems / installer.rb：533：在`build_extensions'中：错误：Fai导致构buildgem原生扩展。 （gem::安装:: ExtensionBuildError）

  C:/RailsInstaller/Ruby1.8.7/bin/ruby.exe extconf.rb checking for rb_thread_blocking_region()... no checking for main() in -llibmysql... 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:/RailsInstaller/Ruby1.8.7/bin/ruby --with-mysql-dir --without-mysql-dir --with-mysql-include --without-mysql-include=${mysql-dir}/include --with-mysql-lib --without-mysql-lib=${mysql-dir}/lib --with-libmysqllib --without-libmysqllib Gem files will remain installed in C:/RailsInstaller/Ruby1.8.7/lib/ruby/gems/1.8 /gems/mysql2-0.2.13 for inspection. Results logged to C:/RailsInstaller/Ruby1.8.7/lib/ruby/gems/1.8/gems/mysql2-0.2. 13/ext/mysql2/gem_make.out from C:/RailsInstaller/Ruby1.8.7/lib/ruby/site_ruby/1.8/rubygems/install er.rb:486:in `each' from C:/RailsInstaller/Ruby1.8.7/lib/ruby/site_ruby/1.8/rubygems/install er.rb:486:in `build_extensions' from C:/RailsInstaller/Ruby1.8.7/lib/ruby/site_ruby/1.8/rubygems/install er.rb:159:in `install' from C:/RailsInstaller/Ruby1.8.7/lib/ruby/gems/1.8/gems/bundler-1.0.15/l ib/bundler/source.rb:101:in `install' from C:/RailsInstaller/Ruby1.8.7/lib/ruby/gems/1.8/gems/bundler-1.0.15/l ib/bundler/rubygems_integration.rb:78:in `preserve_paths' from C:/RailsInstaller/Ruby1.8.7/lib/ruby/gems/1.8/gems/bundler-1.0.15/l ib/bundler/source.rb:91:in `install' from C:/RailsInstaller/Ruby1.8.7/lib/ruby/gems/1.8/gems/bundler-1.0.15/l ib/bundler/installer.rb:58:in `run' from C:/RailsInstaller/Ruby1.8.7/lib/ruby/gems/1.8/gems/bundler-1.0.15/l ib/bundler/rubygems_integration.rb:93:in `with_build_args' from C:/RailsInstaller/Ruby1.8.7/lib/ruby/gems/1.8/gems/bundler-1.0.15/l ib/bundler/installer.rb:57:in `run' from C:/RailsInstaller/Ruby1.8.7/lib/ruby/gems/1.8/gems/bundler-1.0.15/l ib/bundler/spec_set.rb:12:in `each' from C:/RailsInstaller/Ruby1.8.7/lib/ruby/gems/1.8/gems/bundler-1.0.15/l ib/bundler/spec_set.rb:12:in `each' from C:/RailsInstaller/Ruby1.8.7/lib/ruby/gems/1.8/gems/bundler-1.0.15/l ib/bundler/installer.rb:49:in `run' from C:/RailsInstaller/Ruby1.8.7/lib/ruby/gems/1.8/gems/bundler-1.0.15/l ib/bundler/installer.rb:8:in `install' from C:/RailsInstaller/Ruby1.8.7/lib/ruby/gems/1.8/gems/bundler-1.0.15/l ib/bundler/cli.rb:222:in `install' from C:/RailsInstaller/Ruby1.8.7/lib/ruby/gems/1.8/gems/bundler-1.0.15/l ib/bundler/vendor/thor/task.rb:22:in `send' from C:/RailsInstaller/Ruby1.8.7/lib/ruby/gems/1.8/gems/bundler-1.0.15/l ib/bundler/vendor/thor/task.rb:22:in `run' from C:/RailsInstaller/Ruby1.8.7/lib/ruby/gems/1.8/gems/bundler-1.0.15/l ib/bundler/vendor/thor/invocation.rb:118:in `invoke_task' from C:/RailsInstaller/Ruby1.8.7/lib/ruby/gems/1.8/gems/bundler-1.0.15/l ib/bundler/vendor/thor.rb:246:in `dispatch' from C:/RailsInstaller/Ruby1.8.7/lib/ruby/gems/1.8/gems/bundler-1.0.15/l ib/bundler/vendor/thor/base.rb:389:in `start' from C:/RailsInstaller/Ruby1.8.7/lib/ruby/gems/1.8/gems/bundler-1.0.15/b in/bundle:13 from C:/RailsInstaller/Ruby1.8.7/bin/bundle:19:in `load' from C:/RailsInstaller/Ruby1.8.7/bin/bundle:19 C:\Sites\proj2>