using Xcode 6.4, and after adding several ad networks, I'm able to build just fine BUT i do get this warning: This will enable the following recommended compiler warning: No Common Blocks Cancel --- Perform Changes what does this mean and should I perform changes? @Andy ?
Most likely you can ignore or fix and it won't make any difference. I would just ignore for simplicity here. http://stackoverflow.com/questions/11233235/what-is-gcc-no-common-blocks-used-for
