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我是一個初學ruby的人。 當我在gem中安裝MySQL時,我遇到了一個讓我困惑很久的問題。 我從brew安裝MySQL,因爲您知道計算機系統是OSX 10.10。 我嘗試了所有可以在stackoverflow中找到的解決方案,但無法解決它。 如:錯誤:安裝mysql時出錯:錯誤:無法構建gem原生擴展
1. Install xcode-tool
2. GEM install mysql2 -- --with-mysql-dir=/usr/local/Cellar/mysql/5.5.25a
3. List itgem install mysql2 -- --with-opt-dir=/usr/local/Cellar/mysql/5.5.25ae
等等....
的問題是: 當我代碼的命令:gem install mysql
我得到了下面的錯誤:
Building native extensions. This could take a while...
ERROR: Error installing mysql:
ERROR: Failed to build gem native extension.
/Users/iclick/.rvm/rubies/ruby-2.0.0-p481/bin/ruby extconf.rb
checking for mysql_ssl_set()... *** 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/iclick/.rvm/rubies/ruby-2.0.0-p481/bin/ruby
--with-mysql-config
--without-mysql-config
/Users/iclick/.rvm/rubies/ruby-2.0.0-p481/lib/ruby/2.0.0/mkmf.rb:434:in `try_do': The compiler failed to generate an executable file. (RuntimeError)
You have to install development tools first.
from /Users/iclick/.rvm/rubies/ruby-2.0.0-p481/lib/ruby/2.0.0/mkmf.rb:519:in `try_link0'
from /Users/iclick/.rvm/rubies/ruby-2.0.0-p481/lib/ruby/2.0.0/mkmf.rb:534:in `try_link'
from /Users/iclick/.rvm/rubies/ruby-2.0.0-p481/lib/ruby/2.0.0/mkmf.rb:720:in `try_func'
from /Users/iclick/.rvm/rubies/ruby-2.0.0-p481/lib/ruby/2.0.0/mkmf.rb:1004:in `block in have_func'
from /Users/iclick/.rvm/rubies/ruby-2.0.0-p481/lib/ruby/2.0.0/mkmf.rb:895:in `block in checking_for'
from /Users/iclick/.rvm/rubies/ruby-2.0.0-p481/lib/ruby/2.0.0/mkmf.rb:340:in `block (2 levels) in postpone'
from /Users/iclick/.rvm/rubies/ruby-2.0.0-p481/lib/ruby/2.0.0/mkmf.rb:310:in `open'
from /Users/iclick/.rvm/rubies/ruby-2.0.0-p481/lib/ruby/2.0.0/mkmf.rb:340:in `block in postpone'
from /Users/iclick/.rvm/rubies/ruby-2.0.0-p481/lib/ruby/2.0.0/mkmf.rb:310:in `open'
from /Users/iclick/.rvm/rubies/ruby-2.0.0-p481/lib/ruby/2.0.0/mkmf.rb:336:in `postpone'
from /Users/iclick/.rvm/rubies/ruby-2.0.0-p481/lib/ruby/2.0.0/mkmf.rb:894:in `checking_for'
from /Users/iclick/.rvm/rubies/ruby-2.0.0-p481/lib/ruby/2.0.0/mkmf.rb:1003:in `have_func'
from extconf.rb:45:in `<main>'
extconf failed, exit code 1
Gem files will remain installed in /Users/iclick/.rvm/gems/[email protected]/gems/mysql-2.9.1 for inspection.
Results logged to /Users/iclick/.rvm/gems/[email protected]/extensions/x86_64-darwin-13/2.0.0-static/mysql-2.9.1/gem_make.out
原諒我可憐的英語。^ _ ^。 希望你的回答。