Install libc6-dev-x32-i386-cross by entering the following commands in the terminal:
sudo apt update sudo apt install libc6-dev-x32-i386-cross
Description:
GNU C Library: X32 ABI Development Libraries for AMD64 (for cross-compiling)
This package was generated by dpkg-cross for cross compiling. . Contains the symlinks and object files needed to compile and link programs which use the standard C library. This is the X32 ABI version of the library, meant for amd64 systems.
Version: 2.27-3ubuntu1cross1
Section: universe/libdevel