In Xcode, how to suppress all warnings in specific source files?
Select your target and show Build Phases. Then enter the name of the file in the search box, and you should see it listed in the Compile Sources phase. Double-click in the Compiler Flags column for that file and enter -w to turn off all warnings for that file.
Select Project in left navigator and select target go to build phase and Put -w in Build Phase of target file. It will hide all compiler warnings
