軟件包安裝失敗。無法安裝mysql2寶石

我在OS X Yosemite 10.10.2上。我不知道我爲此做了什麼，我正在努力弄清楚問題所在。軟件包安裝失敗。無法安裝mysql2寶石

基本上我的大多數rails命令都失敗了。我正在使用zsh。

當我嘗試運行bundle install，我得到

Gem::Ext::BuildError: ERROR: Failed to build gem native extension. 

    /Users/name/.rvm/rubies/ruby-2.2.1/bin/ruby -r ./siteconf20150903-44386-11qoex1.rb extconf.rb --with-mysql-config=usr/local/bin/mysql_config/ 
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 
----- 
Cannot find mysql_config at usr/local/bin/mysql_config/ 
----- 
*** 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/name/.rvm/rubies/ruby-2.2.1/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 

extconf failed, exit code 1 

Gem files will remain installed in /Users/name/workspace/application/vendor/bundle/ruby/2.2.0/gems/mysql2-0.3.20 for inspection. 
Results logged to /Users/name/workspace/application/vendor/bundle/ruby/2.2.0/extensions/x86_64-darwin-14/2.2.0-static/mysql2-0.3.20/gem_make.out 
An error occurred while installing mysql2 (0.3.20), and Bundler cannot continue. 
Make sure that `gem install mysql2 -v '0.3.20'` succeeds before bundling.

我做到了，

gem install mysql2 -v '0.3.20'

它suceeded。

Building native extensions. This could take a while... 
Successfully installed mysql2-0.3.20 
Parsing documentation for mysql2-0.3.20 
Done installing documentation for mysql2 after 0 seconds 
1 gem installed

現在，當我做了bundle install，它再次給我同樣的錯誤。

所以，我想which mysql2，它說：mysql2 not found

每此評論https://stackoverflow.com/a/16132663/5245746，我檢查了我的CFLAGS，這對我來說很好。這裏是我的，

cflags="-I$pkgincludedir -O3 -g -fno-omit-frame-pointer -fno-strict-aliasing -DDBUG_OFF " #note: end space!

我檢查了mkmf.log文件。這裏的日誌http://pastebin.com/aZ8ySXd8

我已經花了半天的時間，這真是令人沮喪。我倒了這不是與mysql2的問題，有一個更大的問題背後。任何人都可以告訴我一些方向？你們知道爲什麼會發生這種情況嗎？

在此先感謝

來源

2015-09-03 doesey

您使用的是什麼版本的RubyGems？轉到您的控制檯並運行'gem -v'。 – MarsAtomic

出於某種原因，mysql2的extconf提供的選項：

--with-mysql-config=usr/local/bin/mysql_config/

這也許應該是（正斜槓音符位置）：

--with-mysql-config=/usr/local/bin/mysql_config

或者只是沒有設置，因爲/usr/local/bin/mysql_config是mysql2搜索的默認值之一。

來源

2015-09-08 12:15:24 sodabrew

是的，當我做'哪個mysql_config'，它給了我'/ usr/local/bin/mysql_config'。任何想法如何解決這個問題？ – doesey

軟件包安裝失敗。無法安裝mysql2寶石

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