Compilation requires an x86-64 Linux system.  Author's development system runs
Devuan Gnu/Linux Ceres.

Dists are currently built for Linux x86-64, Linux i386, Linux ARMel, Linux
ARMhf, and Linux ARM64.  If you want to help, it sure would be nice to also be 
able to cross compile to Windows and DOS.  Builds for various systems using 
cc65 and z88dk to be added later.

Cross compile to other Linuxen using gcc cross compilers should be dead simple.
Cross compile to Windows will probably require MinGW.  DOS will probably
require OpenWatcom.

Before you can do a full build, you'll need to add the cross-compile
architectures to your system, so that you can install the ncurses libraries for
the various architectures:
	dpkg --add-architecture i386 (if you don't have it added already)
	dpkg --add-architecture arm64
	dpkg --add-architecture armhf
	dpkg --add-architecture armel

Currently required packages:
	gcc-i686-linux-gnu
	gcc-arm-linux-gnueabi
	gcc-arm-linux-gnueabihf
	gcc-aarch64-linux-gnu
	libncurses-dev:amd64
	libncurses-dev:i386
	libncurses-dev:arm64
	libncurses-dev:armhf
	libncurses-dev:armel

The only reason an x86-64 system is required to build is because I can't figure
out how to get gcc-x86-64-linux-gnu installed on an amd64 system without
breaking other things.  If you can clue me in on how to fix that, it would make
the build system work on any Linux architecture.

Once you have all the prerequisites installed:
	make distclean
	make

Binary distributions for the various architectures will be placed in the dist/
directory.