copied from http://iphoneincubator.com/blog/debugging/the-evolution-of-a-replacement-for-nslog basically just put these code into your precompiled header file: you might need to add this flags to the project: OTHER_CFLAGS = -DDEBUG GCC_PREFIX_HEADER = YourProject_Prefix.pch # this is needed especially for static library
A journey of a thousand miles begin with opening your door.