fatal error: /Library/Developer/CommandLineTools/usr/bin/lipo: archive
with no architecture specification: libdb_factory32.a
(can't determine architecture for it)

Compiling
-n
-n Concurent example [..
ld: warning: ignoring file ./lib//libdb_factory.a, file was built for
 archive which is not the architecture being linked (x86_64): ./lib//libdb_factory.a
Undefined symbols for architecture x86_64:
  "_db_factory_create_element", referenced from:
  _insert_create in factory-0aefa1.o
  "_db_factory_get_element_name", referenced from:
      _transporter in factory-0aefa1.o
  "_db_factory_get_ready_state", referenced from:
      _transporter in factory-0aefa1.o
  "_db_factory_get_stock", referenced from:
      _transporter in factory-0aefa1.o
      _receiver in factory-0aefa1.o
      _insert_update in factory-0aefa1.o
  "_db_factory_init", referenced from:
      _init_factory in factory-0aefa1.o
  "_db_factory_update_stock", referenced from:
      _transporter in factory-0aefa1.o
      _insert_update in factory-0aefa1.o
ld: symbol(s) not found for architecture x86_64
clang: error: linker command failed with exit code 1 (use -v to see invocation)
make: *** [all] Error 1