Notes:
- EAM Oct 2007: give up on Atari platforms

List of files:
buildvms.com: Shell script on VMS
make_vms.com: Shell script on VMS
makefile.unx: Generic makefile for unixes
descrip.mms:  Makefile for VMS, Vers. 2.1, 1998/08/25 (no longer available)
makefile.286: Makefile for Borland C++ 3.x and PharLap 286 extender on DOS
makefile.amg: Makefile for SAS/C 6.1 or better on the Amiga
makefile.ami: Makefile for Manx Aztec C 5.2 beta of better on the Amiga
makefile.cyg: Makefile for Cygwin on WinNT and Win95 and above
makefile.dj2: Makefile for DJGPP version 2 on DOS
makefile.emx: Makefile for use with emx-0.8f/gcc and ndmake 4.5 on DOS
makefile.g:   Makefile on GRASS (a geographic information system)
makefile.mgw: Makefile for MinGW32 on WinNT and Win95 and above
makefile.msc: Makefile for Microsoft C Version 5.10 on DOS
makefile.msw: Makefile for Microsoft C Version 7.0 on Windows
makefile.nt:  Makefile for VisualC 6.x on WinNT and Win95 and above
makefile.os2: Makefile for gcc/emx on OS/2
makefile.os9: Makefile for Ultra C on OS-9 (with X11 support)
makefile.tc:  Makefile for Borland C++ 3.x DOS version
makefile.vms: Makefile on VMS
makefile.wc:  Makefile for Watcom C 9.5a on DOS
makefile.win: Makefile for Borland C++ 16bit or 32bit Windows versions
makefile.ztc: Makefile for Zortech C++ 3.x (on DOS?)