Question

我花了很多时间来修复这个错误并理解它。每次我在Windows上的rails上安装ruby我都会遇到同样的问题。当我要安装mysql2 gem时，我得到以下错误：

Gem::Installer::ExtensionBuildError: ERROR: Failed to build gem native extension.

        c:/Ruby193/bin/ruby.exe extconf.rb
checking for ruby/thread.h... no
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.

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:/Ruby193/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-mysql-config
        --without-mysql-config
        --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-mysqlclientlib
        --without-mysqlclientlib
        --with-mlib
        --without-mlib
        --with-mysqlclientlib
        --without-mysqlclientlib
        --with-zlib
        --without-zlib
        --with-mysqlclientlib
        --without-mysqlclientlib
        --with-socketlib
        --without-socketlib
        --with-mysqlclientlib
        --without-mysqlclientlib
        --with-nsllib
        --without-nsllib
        --with-mysqlclientlib
        --without-mysqlclientlib
        --with-mygcclib
        --without-mygcclib
        --with-mysqlclientlib
        --without-mysqlclientlib


Gem files will remain installed in c:/Ruby193/lib/ruby/gems/1.9.1/gems/mysql2-0.3.14 for inspection.
Results logged to c:/Ruby193/lib/ruby/gems/1.9.1/gems/mysql2-0.3.14/ext/mysql2/gem_make.out
An error occurred while installing mysql2 (0.3.14), and Bundler cannot continue.
Make sure that `gem install mysql2 -v '0.3.14'` succeeds before bundling.

我目前正在ruby 1.9.3p0

上使用Windows 7 64x版本

如何解决这个令人烦恼的错误？

Answer 1

了解使用mysql2 gems的所有问题的步骤。

1-请确保已安装mysql

2-请确保您已在ruby上安装了DevKit。

3-现在下载http://dev.mysql.com/downloads/connector/c/上的mysql连接器（下载独立版本）

4-将其解压缩到任何本地目录

5-转到该目录并复制文件libmysql.dll和libmysql.lib。

6-将它们粘贴在C：\ ruby193 \ bin

上

7-打开提示命令并运行命令

gem install mysql2 -- '--with-mysql-dir=""'

8-Voilà宝石已成功安装。

希望这可以帮助某人。：）

如何在Windows 8上安装gem mysql2

1 个答案: