* Docker compatibility: makefile and headers
- _GNU_SOURCE required for F_SETSIG
* Remove duplicate makeright.sh script
* Update some includes that don't exist on modern Linux (termio.h); Clang in Docker
has trouble resolving them automatically
Be clear that the code is not clean for pointer aliasing.
modified: bin/makefile-darwin.386-x
modified: bin/makefile-darwin.x86_64-x
modified: bin/makefile-linux.386-x
modified: bin/makefile-linux.armv7l-x
modified: bin/makefile-linux.x86_64-x
modified: bin/makefile-sunos5.386-x
Add makefile for Linux on x86_64 platforms
Remove include <stropts.h> for Linux as modern systems have dropped this
Adjust code to account for fcntl() vs ioctl() for generating signals on X I/O
Adjust includes for time related include files for modern Linux systems
modified: bin/makefile-linux.386-x
new file: bin/makefile-linux.x86_64-x
modified: inc/version.h
modified: src/mkvdate.c
modified: src/timer.c