不能安裝mysql2使用寶石

我試圖創建MySQL作爲數據庫使用軌道不能安裝mysql2使用寶石

我用下面的命令一個項目：

gem install mysql2

我得到命令行下面的結果：

Building native extensions. This could take a while... 
ERROR: Error installing mysql2: 
    ERROR: Failed to build gem native extension. 

    /home/sample/.rbenv/versions/2.2.3/bin/ruby -r ./siteconf20170316-5426-f6rn3k.rb extconf.rb 
checking for rb_absint_size()... yes 
checking for rb_absint_singlebit_p()... yes 
checking for ruby/thread.h... yes 
checking for rb_thread_call_without_gvl() in ruby/thread.h... yes 
checking for rb_thread_blocking_region()... no 
checking for rb_wait_for_single_fd()... yes 
checking for rb_hash_dup()... yes 
checking for rb_intern3()... yes 
checking for rb_big_cmp()... yes 
checking for mysql_query() in -lmysqlclient... no 
----- 
mysql client is missing. You may need to 'apt-get install libmysqlclient-dev' or 'yum install mysql-devel', and try again. 
----- 
*** 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/sample/.rbenv/versions/2.2.3/bin/$(RUBY_BASE_NAME) 
    --with-mysql-dir 
    --without-mysql-dir 
    --with-mysql-include 
    --without-mysql-include=${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 

extconf failed, exit code 1 

Gem files will remain installed in /home/sample/.rbenv/versions/2.2.3/lib/ruby/gems/2.2.0/gems/mysql2-0.4.5 for inspection. 
Results logged to /home/sample/.rbenv/versions/2.2.3/lib/ruby/gems/2.2.0/extensions/x86_64-linux/2.2.0-static/mysql2-0.4.5/gem_make.out

還因爲它提到mysql客戶端丟失我試圖安裝提到的模塊，但它沒有解決。任何人都可以爲此提供解決方案嗎？

來源

2017-03-16 divya

請安裝'的apt-get安裝的libmysqlclient-dev'然後嘗試後安裝'mysql'寶石 – ashvin

是啊，我已經做到了我得到以下錯誤： E：莫非E：無法鎖定管理目錄（/ var/lib/dpkg /），你是root用戶嗎？不能鎖定管理目錄/ var/lib/dpkg/lock - – divya

試用'sudo'命令 'sudo'意味着'超級用戶做' – ashvin

sudo apt-get install libmysqlclient-dev

然後

gem install mysql2

來源

2017-03-16 06:58:53 puneet18

謝謝，解決了問題 – divya

@divya好。接受我的答案，如果它適合你。謝謝 – puneet18

不能安裝mysql2使用寶石

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