我在安装包安装失败后尝试安装 mysql2 gem。当我跑步时
$ sudo gem install mysql2 -- --with-mysql-config=/usr/local/mysql/bin/mysql_config
我收到以下错误：
构建原生扩展。这可能需要一段时间... 错误：安装 mysql2 时出错：错误：无法构建 gem 原生扩展。
/Users/jcollyer/.rvm/rubies/ruby-1.9.3-p327/bin/ruby extconf.rb --with-mysql-config=/usr/local/mysql/bin/mysql_config检查 rb_thread_blocking_region()... 是 检查 rb_wait_for_single_fd()... 是 检查 mysql.h... 是 检查 errmsg.h... 是 检查 mysqld_error.h... 是 创建 Makefile
编译client.c 在client.c:1中包含的文件中：在./mysql2_ext.h:8中包含的文件中：在/Users/jcollyer/.rvm/rubies/ruby-1.9.3-p327/include中包含的文件中/ruby-1.9.1/ruby.h:32: /Users/jcollyer/.rvm/rubies/ruby-1.9.3-p327/include/ruby-1.9.1/ruby/ruby.h:105:37: 错误: 'ruby_check_sizeof_long' 声明为具有负大小 typedef char ruby_check_sizeof_long[SIZEOF_LONG == sizeof(long) 的数组？1：-1]；^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ 在来自client.c的文件中：1：在来自的文件中./mysql2_ext.h:8：在 /Users/jcollyer/.rvm/rubies/ruby-1.9.3-p327/include/ruby-1.9.1/ruby.h:32 包含的文件中：在 /Users 包含的文件中/jcollyer/.rvm/rubies/ruby-1.9.3-p327/include/ruby-1.9.1/ruby/ruby.h:24：/Users/jcollyer/.rvm/rubies/ruby-1.9。
定义 SIZEOF_LONG 8
^ In file included from client.c:1: In file included from ./mysql2_ext.h:8: In file included from/Users/jcollyer/.rvm/rubies/ruby-1.9.3-p327/include/ruby-1.9.1/ruby.h:32：/Users/jcollyer/.rvm/rubies/ruby-1.9.3-p327/ include/ruby-1.9.1/ruby/ruby.h:109:38: 错误: 'ruby_check_sizeof_voidp' 声明为具有负大小 typedef char ruby_check_sizeof_voidp[SIZEOF_VOIDP == sizeof(void*) 的数组？1：-1]；^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ 在来自client.c的文件中：1：在文件中包含在 ./mysql2_ext.h:8 中：包含在 /Users/jcollyer/.rvm/rubies/ruby-1.9.3-p327/include/ruby-1.9.1/ruby.h:32 中的文件中：包含在文件中/Users/jcollyer/.rvm/rubies/ruby-1.9.3-p327/include/ruby-1.9.1/ruby/ruby.h:24：/Users/jcollyer/.rvm/rubies/ruby-1.9.3- p327/include/ruby-1.9.1/x86_64-darwin11.4.2/ruby/config.h:28:22：注意：实例化自：
定义 SIZEOF_VOIDP 8
^ In file included from client.c:1: In file included from ./mysql2_ext.h:8: In file included from/Users/jcollyer/.rvm/rubies/ruby-1.9.3-p327/include/ruby-1.9.1/ruby.h:32：在 /Users/jcollyer/.rvm/rubies/ruby-1.9 包含的文件中。 3-p327/include/ruby-1.9.1/ruby/ruby.h:1382：在 /Users/jcollyer/.rvm/rubies/ruby-1.9.3-p327/include/ruby-1.9.1/ 包含的文件中ruby/intern.h:34: /Users/jcollyer/.rvm/rubies/ruby-1.9.3-p327/include/ruby-1.9.1/ruby/st.h:67:45: 错误: 'st_check_for_sizeof_st_index_t' 声明作为具有负大小 typedef char st_check_for_sizeof_st_index_t[SIZEOF_VOIDP == (int)sizeof(st_index_t) 的数组？1：-1]；^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ 在文件中包含在 client.c:1 中：包含在 ./mysql2_ext.h:8 中的文件中：包含在 /Users/jcollyer/.rvm/rubies/ruby-1.9.3-p327/include/ruby-1.9.1/ 中的文件中ruby.h:32:
定义 SIZEOF_VOIDP 8
^ 3 errors generated. make: *** [client.o] Error 1Gem 文件将继续安装在 /Users/jcollyer/.rvm/gems/ruby-1.9.3-p327/gems/mysql2-0.3.11 以供检查。结果记录到 /Users/jcollyer/.rvm/gems/ruby-1.9.3-p327/gems/mysql2-0.3.11/ext/mysql2/gem_make.out
$ 哪个红宝石
/Users/jcollyer/.rvm/rubies/ruby-1.9.3-p327/bin/ruby
$哪里mysql
/usr/local/bin/mysql
我错过了什么？