mysql2 gem 无法构建原生扩展 [英] mysql2 gem Can't build native extensions
问题描述
我们实习生的计算机在安装 mysql2 gem 时出现问题.我们刚刚将他的电脑从 OS X 10.6 升级到 10.8(Mountain Lion).我尝试通过自制软件和 64 位 DMG 安装程序安装 mysql.我还尝试符号链接到开发工具(如此处指出:山狮升级后无法安装一些宝石).我们安装了 Xcode (4.4) 和命令行工具.我们在安装命令行工具后尝试重新启动.
Our intern's computer is having problems installing the mysql2 gem. We just upgraded his computer from OS X 10.6 to 10.8 (Mountain Lion). I have tried installing mysql through homebrew and through the 64 bit DMG installer. I also tried symlinking to the dev tools (as pointed out here: Not able to install some gems after mountain lion upgrade). We have Xcode (4.4) installed and the command line tools installed. We tried a reboot after installing the command line tools.
这是他来自 ~/.bashrc 的 PATH 声明:
This is his PATH declaration from ~/.bashrc:
PATH=/usr/local/bin:$PATH:$HOME/.rvm/bin:/usr/local/mysql/bin # Add RVM to PATH for scripting
符号链接:
Diego-Blantons-MacBook-Pro-3:~ lmrunner07$ sudo ln -s /usr/bin/llvm-gcc-4.2 /usr/bin/gcc-4.2
Password:
尝试安装gem:
Diego-Blantons-MacBook-Pro-3:~ lmrunner07$ gem install mysql2
Building native extensions. This could take a while...
ERROR: Error installing mysql2:
ERROR: Failed to build gem native extension.
/Users/lmrunner07/.rvm/rubies/ruby-1.9.3-p194/bin/ruby extconf.rb
checking for rb_thread_blocking_region()... yes
checking for rb_wait_for_single_fd()... yes
checking for mysql.h... yes
checking for errmsg.h... yes
checking for mysqld_error.h... yes
creating Makefile
make
compiling client.c
In file included from /Users/lmrunner07/.rvm/rubies/ruby-1.9.3-p194/include/ruby-1.9.1/ruby.h:32,
from ./mysql2_ext.h:8,
from client.c:1:
/Users/lmrunner07/.rvm/rubies/ruby-1.9.3-p194/include/ruby-1.9.1/ruby/ruby.h:105: error: size of array ‘ruby_check_sizeof_long’ is negative
/Users/lmrunner07/.rvm/rubies/ruby-1.9.3-p194/include/ruby-1.9.1/ruby/ruby.h:109: error: size of array ‘ruby_check_sizeof_voidp’ is negative
In file included from /Users/lmrunner07/.rvm/rubies/ruby-1.9.3-p194/include/ruby-1.9.1/ruby/intern.h:34,
from /Users/lmrunner07/.rvm/rubies/ruby-1.9.3-p194/include/ruby-1.9.1/ruby/ruby.h:1382,
from /Users/lmrunner07/.rvm/rubies/ruby-1.9.3-p194/include/ruby-1.9.1/ruby.h:32,
from ./mysql2_ext.h:8,
from client.c:1:
/Users/lmrunner07/.rvm/rubies/ruby-1.9.3-p194/include/ruby-1.9.1/ruby/st.h:67: error: size of array ‘st_check_for_sizeof_st_index_t’ is negative
client.c: In function ‘rb_raise_mysql2_error’:
client.c:98: warning: ISO C90 forbids mixed declarations and code
client.c: In function ‘rb_mysql_client_socket’:
client.c:590: warning: ISO C90 forbids mixed declarations and code
make: *** [client.o] Error 1
Gem files will remain installed in /Users/lmrunner07/.rvm/gems/ruby-1.9.3-p194/gems/mysql2-0.3.11 for inspection.
Results logged to /Users/lmrunner07/.rvm/gems/ruby-1.9.3-p194/gems/mysql2-0.3.11/ext/mysql2/gem_make.out
我已经删除了安装的自制 mysql 以及启动代理.还有rm -rf gem 目录(Users/lmrunner07/.rvm/gems/ruby-1.9.3-p194/gems/mysql2-0.3.11)
I've removed the homebrew installed mysql as well as the launch agent. Also rm -rf the gem directory (Users/lmrunner07/.rvm/gems/ruby-1.9.3-p194/gems/mysql2-0.3.11)
推荐答案
我通过以下方式解决了这个问题:
I solved this by:
- 安装自制软件
ruby <(curl -fsSk https://raw.github.com/mxcl/homebrew/go)(查看他们的网站了解使用情况http://mxcl.github.com/homebrew/) - 按照这些说明http://robots.thoughtbot.com/post/27985816073/the-hitchhikers-guide-to-riding-a-mountain-lion
- 使用 homebrew
brew install mysql重新安装 mysql.(我尝试按照这些说明安装 mysql http://erictarn.com/post/28269453881/how-i-installed-mysql-rvm-ruby-and-rails-on-mountain 但后来我遇到了问题，所以我建议重新安装 mysql用自制软件.) - 为我的项目(包括 mysql2)重新安装 rvm 和 rails 以及 gems
- Installing homebrew
ruby <(curl -fsSk https://raw.github.com/mxcl/homebrew/go)(check out their website for useage http://mxcl.github.com/homebrew/) - Following these instructions http://robots.thoughtbot.com/post/27985816073/the-hitchhikers-guide-to-riding-a-mountain-lion
- Reinstalling mysql with homebrew
brew install mysql. (I tried installing mysql by follow these instructions http://erictarn.com/post/28269453881/how-i-installed-mysql-rvm-ruby-and-rails-on-mountain but i ran into issues later so i would recommend reinstalling mysql with homebrew.) - Reinstalling rvm and rails and the gems for my project (which included mysql2)
注意:当我尝试构建时，我遇到了一个库问题，Library not loaded: libmysqlclient.18.dylib，通过运行 sudo ln -s/usr/local/已修复mysql/lib/libmysqlclient.18.dylib/usr/lib/libmysqlclient.18.dylib(参考库未加载:尝试在 OS X 10.6 上使用 mysql2 gem 运行rails server"时出现 libmysqlclient.16.dylib 错误 如果你会遇到同样的问题.)
Note: When I tried to build I had a library issue, Library not loaded: libmysqlclient.18.dylib, which was fixed by running sudo ln -s /usr/local/mysql/lib/libmysqlclient.18.dylib /usr/lib/libmysqlclient.18.dylib (refer to Library not loaded: libmysqlclient.16.dylib error when trying to run 'rails server' on OS X 10.6 with mysql2 gem if you get the same issue.)
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