[英]installing mysql gem on rbenv
我正在尝试在我的MAC OSX计算机上使用流浪汉。 我使用SSH连接了流浪汉,并设置了ruby 1.9.2-p290。 现在,我尝试安装ruby gems,但是当我想安装mysql2 gem时,我一直面临着这个问题。
Fetching: mysql-2.8.1.gem (100%)
Building native extensions. This could take a while...
ERROR: Error installing mysql:
ERROR: Failed to build gem native extension.
/home/vagrant/.rbenv/versions/1.9.2-p290/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=/home/vagrant/.rbenv/versions/1.9.2-p290/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 /home/vagrant/.rbenv/versions/1.9.2-p290/lib/ruby/gems/1.9.1/gems/mysql-2.8.1 for inspection.
Results logged to /home/vagrant/.rbenv/versions/1.9.2-p290/lib/ruby/gems/1.9.1/gems/mysql-2.8.1/ext/mysql_api/gem_make.out
我在宝石文件中设置
gem 'mysql2'
再次运行bundle命令,但结果是相同的。
为什么MySQL无法在无业游民上运行?
mysql2 gem具有针对mysql二进制文件构建的本机C扩展。 您的无业游民的计算机需要安装mysql。 做这样的事情
$ vagrant ssh
$ sudo apt-get install mysql-server mysql-client
安装mysql之后,您应该能够安装mysql2 gem。
编辑:您还需要mysql开发库,因此
$ sudo apt-get install libmysqlclient-dev libmysqlclient16 ruby-dev
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