当我尝试在终端中运行以下命令时，收到一条错误，该错误阻止安装 mysql gem:
我跑:
sudo gem install mysql
我收到以下错误:
Building native extensions. This could take a while...
ERROR: Error installing mysql:
ERROR: Failed to build gem native extension.
/Users/(myuseraccount)/.rbenv/versions/2.1.5/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... 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=/Users/(myuseraccount)/.rbenv/versions/2.1.5/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
extconf failed, exit code 1
Gem files will remain installed in /Users/(myuseraccount)/.rbenv/versions/2.1.5/lib/ruby/gems/2.1.0/gems/mysql-2.9.1 for inspection.
Results logged to /Users/(myuseraccount)/.rbenv/versions/2.1.5/lib/ruby/gems/2.1.0/extensions/x86_64-darwin-14/2.1.0-static/mysql-2.9.1/gem_make.out
如果您知道如何修复此错误并安装 mysql gem，请告诉我
最佳答案
安装 mysql2 gem 而不是 mysql 并确保在安装 gem 之前安装了 MySql:
brew install mysql
gem install mysql2
关于mysql - 在终端中安装 mysql gem 时出错，我们在Stack Overflow上找到一个类似的问题： https://stackoverflow.com/questions/27611927/