软件包安装失败。无法安装mysql2宝石

我在OS X Yosemite 10.10.2上。我不知道我为此做了什么，我正在努力弄清楚问题所在。软件包安装失败。无法安装mysql2宝石

基本上我的大多数rails命令都失败了。我正在使用zsh。

当我尝试运行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

现在，当我做了bundle install，它再次给我同样的错误。

所以，我想which mysql2，它说：mysql2 not found

每此评论https://stackoverflow.com/a/16132663/5245746，我检查了我的CFLAGS，这对我来说很好。这里是我的，

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

我检查了mkmf.log文件。这里的日志http://pastebin.com/aZ8ySXd8

我已经花了半天的时间，这真是令人沮丧。我倒了这不是与mysql2的问题，有一个更大的问题背后。任何人都可以告诉我一些方向？你们知道为什么会发生这种情况吗？

在此先感谢

来源

2015-09-03 doesey

您使用的是什么版本的RubyGems？转到您的控制台并运行'gem -v'。 – MarsAtomic

出于某种原因，mysql2的extconf提供的选项：

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

这也许应该是（正斜杠音符位置）：

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

或者只是没有设置，因为/usr/local/bin/mysql_config是mysql2搜索的默认值之一。

来源

2015-09-08 12:15:24 sodabrew

是的，当我做'哪个mysql_config'，它给了我'/ usr/local/bin/mysql_config'。任何想法如何解决这个问题？ – doesey

软件包安装失败。无法安装mysql2宝石

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