Static library built for archive which is not the architecture being linked (x86_64)

Question

I am experiencing what seems to be the same problem when I try to compile two different programs. Each of them creates first a static library and then the main application linki

Answer 1

Using libtool -static -a might be simpler to get working static library.

Static library link issue with Mac OS X: symbol(s) not found for architecture x86_64