Turn off warnings coming from subprojects

Question

Can someone help me to turn off warnings in Xcode 4 that I\'m getting from subprojects?

I have three subprojects, with a lot of warnings. The subprojects are provide by

Answer 1

If you're using Xcode 4.2 or later, you can use LLVM compiler setting Inhibit All Warnings in Warning Polices for every subproject you have: