执行pod install时报错
Ignoring ffi-1.12.2 because its extensions are not built. Try: gem pristine ffi --version 1.12.2
提示执行
gem pristine ffi --version 1.12.2
执行之后又会报错
ERROR: While executing gem ... (Gem::FilePermissionError)
You don't have write permissions for the /Library/Ruby/Gems/2.6.0 directory.
提示没有写入权限。
加上权限,继续执行
sudo gem pristine ffi --version 1.12.2
终端输出日志
Restoring gems to pristine condition...
Building native extensions. This could take a while...
Restored ffi-1.12.2
成功!