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在Ubuntu上安装mysql gem的困难_Mysql_Ruby On Rails_Rubygems_Ubuntu 10.04 - Fatal编程技术网

在Ubuntu上安装mysql gem的困难

在Ubuntu上安装mysql gem的困难,mysql,ruby-on-rails,rubygems,ubuntu-10.04,Mysql,Ruby On Rails,Rubygems,Ubuntu 10.04,我正在尝试安装mysql 2.8.1 gem。我将使用它在Ubuntu 10.04上构建Rails 2.0.2应用程序。我将使用Ruby 1.8.7。我已经安装了开发依赖项(其他gem)。由于某些原因,我无法安装它。我无法准确地找出如何修复它。请帮忙 当我尝试安装终端时,我在终端中获得以下信息: mohnish@pc146724-desktop:~/Downloads$ sudo gem install mysql-2.8.1.gem Building native extensions.

我正在尝试安装mysql 2.8.1 gem。我将使用它在Ubuntu 10.04上构建Rails 2.0.2应用程序。我将使用Ruby 1.8.7。我已经安装了开发依赖项(其他gem)。由于某些原因,我无法安装它。我无法准确地找出如何修复它。请帮忙

当我尝试安装终端时,我在终端中获得以下信息:

mohnish@pc146724-desktop:~/Downloads$ sudo gem install mysql-2.8.1.gem 
Building native extensions.  This could take a while...
ERROR:  Error installing mysql-2.8.1.gem:
    ERROR: Failed to build gem native extension.

/usr/bin/ruby1.8 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=/usr/bin/ruby1.8
    --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 /usr/lib/ruby/gems/1.8/gems/mysql-2.8.1 for inspection.
Results logged to /usr/lib/ruby/gems/1.8/gems/mysql-2.8.1/ext/mysql_api/gem_make.out
mohnish@pc146724-desktop:~/Downloads$ 

谢谢你的帮助

试试这个,然后安装mysql gem:

sudo apt-get install libmysqlclient-dev 
如果这还不够,就这样试试

 sudo apt-get install libmysqlclient-dev libmysqlclient16 ruby-dev

您应该按照错误消息告诉您的操作:检查mkmf.log!使用find/usr/lib/ruby/gems/1.8/gems/-name mkmf.log搜索此文件。通常,出现此错误消息是因为您忘记为尝试安装的扩展安装-dev包。因此,如果您想安装mysql gem,可能忘了先安装libmysqlclient14 dev。执行apt缓存搜索| grep dev以查找适当的包

请查看更多信息


尝试此操作,然后安装mysql gem:

sudo apt-get install libmysqlclient-dev 
sudo apt get安装libmysqlclient dev libmysqlclient16

这在运行sudogem安装mysql之后就起作用了


文档仍然没有正确安装(大量的“无定义”错误,尽管这不是什么大问题。

在我的例子中,我收到了以下错误消息:

安装mysql(2.8.1)时出错,Bundler无法运行 继续。确保
gem安装mysql-v'2.8.1'
成功 捆扎前

我尝试了:
gem安装mysql-v'2.8.1'
,我得到了一条与您得到的类似的错误消息

我通过以下操作修复了它:


  • 步骤(1):运行以下命令:
    sudo apt get install libmysqlclient dev

  • 步骤(2):安装mysql:
    gem安装mysql-v2.8.1

您应该会收到类似以下内容的成功消息:

已成功安装mysql-2.8.1
安装的ri文档 mysql-2.8.1安装了1个gem


我希望我的回答能有所帮助。

ruby开发包在这里是可选的,对我来说是可行的,但我根本不需要安装
libmysqlclient*
sudo apt get install libmysqlclient dev libmysqlclient18
对我来说是可行的,只需要安装
libmysqlclient