gem install mysql error

最新推荐文章于 2025-04-11 13:54:26 发布

Robin2Wu

最新推荐文章于 2025-04-11 13:54:26 发布

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文章标签：数据库 ruby

本文链接：https://blog.youkuaiyun.com/Robin2Wu/article/details/84353009

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本文记录了在Ruby环境中安装MySQL gem时遇到的错误及解决方案。主要问题是未能成功构建gem的本地扩展，提示可能缺少必要的库或头文件。通过安装对应的MySQL客户端库（如libmysqlclient15-dev或libmysqlclient12-dev），问题得以解决。

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sudo gem install mysql
Building native extensions.  This could take a while...
ERROR:  Error installing mysql:
        ERROR: Failed to build gem native extension.

/opt/ruby-enterprise-1.8.7-2012.02/bin/ruby extconf.rb
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... yes
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... yes
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=/opt/ruby-enterprise-1.8.7-2012.02/bin/ruby
        --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 /opt/ruby-enterprise-1.8.7-2012.02/lib/ruby/gems/1.8/gems/mysql-2.8.1 for inspection.
Results logged to /opt/ruby-enterprise-1.8.7-2012.02/lib/ruby/gems/1.8/gems/mysql-2.8.1/ext/mysql_api/gem_make.out


MySQL 5.0:
sudo apt-get install libmysqlclient15-dev

MySQL 4.x:
sudo apt-get install libmysqlclient12-dev