libc++-16-dev-wasm32 1:16.0.0-1~exp5ubuntu3 (ppc64el binary) in ubuntu lunar

 libc++ is another implementation of the C++ standard library
 .
 Features and Goals
 .
   * Correctness as defined by the C++ standards.
   * Fast execution.
   * Minimal memory use.
   * Fast compile times.
   * ABI compatibility with gcc's libstdc++ for some low-level features such
     as exception objects, rtti and memory allocation.
   * Extensive unit tests.
 .
 This package provides a version for the 32-bit WebAssembly System Interface.