mac os x 版本 11.1， Xcode版本12.3
sudo gem install cocoapods 安装cocoapods时一直失败，无法成功
部分错误信息：
ERROR: Error installing cocoapods:
ERROR: Failed to build gem native extension.
current directory: /Library/Ruby/Gems/2.6.0/gems/ffi-1.14.2/ext/ffi_c
/System/Library/Frameworks/Ruby.framework/Versions/2.6/usr/bin/ruby -I /System/Library/Frameworks/Ruby.framework/Versions/2.6/usr/lib/ruby/2.6.0 -r ./siteconf20210104-11358-ahylaa.rb extconf.rb
*** 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.
执行这个命令
source ~/.zshrc
sudo gem install cocoapods
安装成功，部分日志
Successfully installed ffi-1.14.2
Successfully installed ethon-0.12.0
Successfully installed typhoeus-1.4.0
Successfully installed netrc-0.11.0
Successfully installed public_suffix-4.0.6
Successfully installed addressable-2.7.0
Successfully installed cocoapods-core-1.10.0
Successfully installed claide-1.0.3
Successfully installed cocoapods-deintegrate-1.0.4
Successfully installed cocoapods-downloader-1.4.0
Successfully installed cocoapods-plugins-1.0.0
Successfully installed cocoapods-search-1.0.0
Successfully installed cocoapods-trunk-1.5.0
Successfully installed cocoapods-try-1.2.0
.........
Done installing documentation for ffi, ethon, typhoeus, netrc, public_suffix, addressable, cocoapods-core, claide, cocoapods-deintegrate, cocoapods-downloader, cocoapods-plugins, cocoapods-search, cocoapods-trunk, cocoapods-try, molinillo, atomos, colored2, nanaimo, xcodeproj, escape, fourflusher, gh_inspector, ruby-macho, cocoapods after 25 seconds
24 gems installed
