Ruby on Rails安装问题(Windows) [英] Ruby on Rails installation issue (Windows)

问题描述

我从RuyInstaller安装了Ruby 2.0.0和DevKit.创建新项目时出现错误消息:

I installed Ruby 2.0.0 and DevKit from RuyInstaller. I have an error message when I'm creating new project:

rails new testtest -d mysql

..... a lot of output here ........

Installing mysql2 (0.3.14)
Gem::Installer::ExtensionBuildError: ERROR: Failed to build gem native extension.

    C:/Ruby200/bin/ruby.exe extconf.rb
checking for ruby/thread.h... yes
checking for rb_thread_call_without_gvl() in ruby/thread.h... yes
checking for rb_thread_blocking_region()... yes
checking for rb_wait_for_single_fd()... yes
checking for rb_hash_dup()... yes
checking for rb_intern3()... yes
checking for mysql_query() in -lmysqlclient... no
checking for main() in -lm... yes
checking for mysql_query() in -lmysqlclient... no
checking for main() in -lz... no
checking for mysql_query() in -lmysqlclient... no
checking for main() in -lsocket... no
checking for mysql_query() in -lmysqlclient... no
checking for main() in -lnsl... no
checking for mysql_query() in -lmysqlclient... no
checking for main() in -lmygcc... no
checking for mysql_query() in -lmysqlclient... 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.

我如何安装依赖项以使这个gem没有任何错误?

How can I install dependencies to make this gem without any errors?

推荐答案

您需要MySQL 32位(或

You need MySQL 32-bit (or MySQL Connector C) to compile mysql2 gem compiling on Windows (even if you are using a 64-bit version of the OS).

请按照以下步骤操作:

1. 下载MySQL Server 32位.zip文件(或者 MySQL Connector C 是也可以)
2. 将libmysql.dll复制到%RUBY_HOME%\bin(或直接将MySQL 32位lib目录添加到PATH)

3. 使用--with-mysql-lib和--with-mysql-include选项安装mysql2 gem

1. Download MySQL Server 32-bit .zip file (Alternatively MySQL Connector C is also fine)
2. Copy libmysql.dll to %RUBY_HOME%\bin (or simply add MySQL 32-bit lib directory to PATH)

3. Install mysql2 gem with --with-mysql-lib and --with-mysql-include options

gem install mysql2 -- '--with-mysql-lib="c:\path\to\32-bit-MySQL-Server\lib\opt" --with-mysql-include="c:\\path\to\32-bit-MySQL-Server\include"'

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