libboost-nowide1.74-dev 1.74.0-18.1ubuntu4 (s390x binary) in ubuntu mantic

 This package forms part of the Boost C++ Libraries collection.
 .
 The library provides an implementation of standard C and C++
 library functions which are UTF-8 aware on Windows without
 requiring to use the Wipe API.
 .
 On POSIX platforms, where UTF-8 is already commonly used, the
 calls in Nowide just alias to their standard counterparts.