Libiphone doesn't contain architecture information for armv6

Dear mates.

When I link to device in debug mode (Uniy iPhone 1.5) i get 120 warinings, all this kind:

warning: (armv6) /Users/vital/Dropbox/alpha wars project/beta/Libraries/libiPhone-lib.a(loader.o) object file '/Users/vital/Dropbox/alpha wars project/beta/Libraries/libiPhone-lib.a(loader.o)' doesn't contain architecture information for armv6.
warning: (armv6) /Users/vital/Dropbox/alpha wars project/beta/Libraries/libiPhone-lib.a(metadata.o) object file '/Users/vital/Dropbox/alpha wars project/beta/Libraries/libiPhone-lib.a(metadata.o)' doesn't contain architecture information for armv6.
warning: (armv6) /Users/vital/Dropbox/alpha wars project/beta/Libraries/libiPhone-lib.a(mono-endian.o) object file '/Users/vital/Dropbox/alpha wars project/beta/Libraries/libiPhone-lib.a(mono-endian.o)' doesn't contain architecture information for armv6.

I have no idea of what is wrong. Can someone help me?
Thank you.

These are harmless warnings. They essentially mean that there is no debug information included in libiPhone-lib.a