- Sep 27, 2026 — [The Second Life of Autoconf for MS-DOS](/2026/09/27/the-second-life-of-autoconf-for-ms-dos.html)

Before GNU Autoconf generated configure scripts, there was a DOS program called Autoconf. It let you keep one CONFIG.SYS and one AUTOEXEC.BAT, then choose among boot configurati...

- Sep 6, 2011 — [Autoconf: Maybe the First Example of Microsoft Pushing Features into the OS to Kill a Competitor](/2011/09/06/autoconf-maybe-the-first-example-of-microsoft-pushing-features-into-the-os-to-kill-a-competitor.html)

Update, September 2026: I found the original 1991 SVM article, identified and contacted its author, rebuilt both the original and later versions, and reconstructed Autoconf’s hi...

- Sep 22, 2009 — [Autoconf: world's best multiple configurations software](/2009/09/22/autoconf-worlds-best-multiple-configurations-software.html)

This was my first commercial product. It has been available for a while with full x86 assembly source code. It’s useful if you still run a DOS system ;)

- Sep 19, 2009 — [Can you believe it? I wrote this code over 10 years ago...](/2009/09/19/can-you-believe-it-i-wrote-this-code-over-10-years-ago.html)

I wonder whether it still compiles and runs.