cocoapos 执行 pod install 时 报错如下错误
Generating Pods project
Abort trap: 6
需要逐步执行下面的命令
sudo gem uninstall cocoapods
sudo gem uninstall cocoapods-core
sudo gem uninstall cocoapods-deintegrate
sudo gem uninstall cocoapods-downloader
sudo gem uninstall cocoapods-plugins
sudo gem uninstall cocoapods-search
sudo gem uninstall cocoapods-stats
sudo gem uninstall cocoapods-try
sudo gem uninstall cocoapods-trunk
最后在执行就可以了
sudo gem install cocoapods --pre
如果出现下面的错误信息，只要执行对应的命令就可以了，最后再重新执行上面那一行命令
-----------------------------我是分割线-------------------------------------
问题一：
ERROR: While executing gem ... (Gem::DependencyError)
Unable to resolve dependencies: cocoapods requires molinillo
需要：更新 gem 运行一下命令
sudo gem update --system
问题二：
ERROR: While executing gem ... (Errno::EPERM)
Operation not permitted - /usr/bin/xcodeproj
sudo gem install -n /usr/local/bin cocoapods --pre
问题三：
ERROR: While executing gem ... (Errno::EPERM)
Operation not permitted - /usr/bin/pod
可以参考这篇文章 http://blog.csdn.net/andanlan/article/details/50061775
升级ruby
curl -L get.rvm.io | bash -s stable
rvm -v
ruby -v
rvm list known
rvm install 2.4.1
