ruby-on-rails – 当我进行捆绑安装时,我收到了kgio gem的gem安装错误

概述我在我的Gemfile中添加了独角兽,之后当我进行捆绑安装时,我收到了这个错误 em::Installer::ExtensionBuildError: ERROR: Failed to build gem native extension. /Users/adim86/.rvm/rubies/ruby-1.9.3-p0/bin/ruby extconf.rb checking 我在我的Gemfile中添加了独角兽,之后当我进行捆绑安装时,我收到了这个错误

em::Installer::ExtensionBuildError: ERROR: Failed to build gem native extension.        /Users/adim86/.rvm/rubIEs/ruby-1.9.3-p0/bin/ruby extconf.rb checking for CLOCK_MONOTONIC in time.h... *** extconf.rb Failed ***Could not create Makefile due to some reason,probably lack ofnecessary librarIEs and/or headers.  Check the mkmf.log file for moredetails.  You may need configuration options.ProvIDed configuration options:    --with-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/adim86/.rvm/rubIEs/ruby-1.9.3-p0/bin/ruby/Users/adim86/.rvm/rubIEs/ruby-1.9.3-p0/lib/ruby/1.9.1/mkmf.rb:381:in `try_do': The compiler Failed to generate an executable file. (RuntimeError)You have to install development tools first.    from /Users/adim86/.rvm/rubIEs/ruby-1.9.3-p0/lib/ruby/1.9.1/mkmf.rb:491:in `block in try_compile'    from /Users/adim86/.rvm/rubIEs/ruby-1.9.3-p0/lib/ruby/1.9.1/mkmf.rb:443:in `with_werror'    from /Users/adim86/.rvm/rubIEs/ruby-1.9.3-p0/lib/ruby/1.9.1/mkmf.rb:491:in `try_compile'    from /Users/adim86/.rvm/rubIEs/ruby-1.9.3-p0/lib/ruby/1.9.1/mkmf.rb:686:in `macro_defined?'    from /Users/adim86/.rvm/rubIEs/ruby-1.9.3-p0/lib/ruby/1.9.1/mkmf.rb:822:in `block in have_macro'    from /Users/adim86/.rvm/rubIEs/ruby-1.9.3-p0/lib/ruby/1.9.1/mkmf.rb:790:in `block in checking_for'    from /Users/adim86/.rvm/rubIEs/ruby-1.9.3-p0/lib/ruby/1.9.1/mkmf.rb:284:in `block (2 levels) in postpone'    from /Users/adim86/.rvm/rubIEs/ruby-1.9.3-p0/lib/ruby/1.9.1/mkmf.rb:254:in `open'    from /Users/adim86/.rvm/rubIEs/ruby-1.9.3-p0/lib/ruby/1.9.1/mkmf.rb:284:in `block in postpone'    from /Users/adim86/.rvm/rubIEs/ruby-1.9.3-p0/lib/ruby/1.9.1/mkmf.rb:254:in `open'    from /Users/adim86/.rvm/rubIEs/ruby-1.9.3-p0/lib/ruby/1.9.1/mkmf.rb:280:in `postpone'    from /Users/adim86/.rvm/rubIEs/ruby-1.9.3-p0/lib/ruby/1.9.1/mkmf.rb:789:in `checking_for'    from /Users/adim86/.rvm/rubIEs/ruby-1.9.3-p0/lib/ruby/1.9.1/mkmf.rb:821:in `have_macro'    from extconf.rb:5:in `<main>'Gem files will remain installed in /Users/adim86/.rvm/gems/ruby-1.9.3-p0/gems/kgio-2.7.4 for inspection.Results logged to /Users/adim86/.rvm/gems/ruby-1.9.3-p0/gems/kgio-2.7.4/ext/kgio/gem_make.outAn error occured while installing kgio (2.7.4),and Bundler cannot continue.Make sure that `gem install kgio -v '2.7.4'` succeeds before bundling

我的gem文件看起来像这样.我已经尝试将unicorn添加到生产块中,但我仍然得到相同的错误.我也删除了独角兽,我仍然得到相同的错误也尝试了捆绑更新无济于事：

source 'https://rubygems.org'gem 'rails','3.2.3'gem 'devise'gem 'haml-rails'gem 'omniauth'gem 'omniauth-twitter'gem 'omniauth-facebook'gem 'twitter'gem 'fb_graph'gem 'Json'gem 'Json_pure'gem 'simple_form'gem 'postmark'gem 'postmark-rails'gem 'bootstrap-datepicker-rails'gem 'watu_table_builder',:require => 'table_builder'gem 'sqlite3'# Gems used only for assets and not required# in production environments by default.group :assets do  gem 'uglifIEr','>= 1.0.3'endgem "therubyracer",:require => 'v8'gem 'jquery-rails'gem 'differ'gem 'whenever'gem 'unicorn'

有人可以帮忙吗？

解决方法 问题是Xcode.转到Xcode设置 – >下载并确保安装了“命令行工具”.一旦我安装它们,捆绑安装运行就好了. 总结

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