In fedora 23, there are cross compilers available in the repos. For example:
gcc-aarch64-linux-gnu.i686 : Cross-build binary utilities for aarch64-linux-gnu gcc-c++-aarch64-linux-gnu.i686 : Cross-build binary utilities for : aarch64-linux-gnu binutils-aarch64-linux-gnu.i686 : Cross-build binary utilities for : aarch64-linux-gnu
But, there are no cross libraries apparently. Is there some standard way people get libraries for cross development?