From mboxrd@z Thu Jan 1 00:00:00 1970 From: cowan@mercury.ccil.org (John Cowan) Date: Sat, 10 May 2014 21:27:56 -0400 Subject: [TUHS] Work I've done with a PDP-11 simulator In-Reply-To: <20140511005738.GB10882@bitmover.com> References: <20140511005133.C05DA18C0B7@mercury.lcs.mit.edu> <20140511005738.GB10882@bitmover.com> Message-ID: <20140511012756.GU17946@mercury.ccil.org> Larry McVoy scripsit: > At Sun this was called "make bootstrap" but I bet that predates Sun. The > bootstrap process, as I remember it, had the compiler build the compiler, > then the new compiler built the kernel and userland, then there was an > install step, and presto, you were running on bits you had built yourself. > All of them. Well, provided the compiler is honest, contra Dennis. An interesting fact about the Squeak Smalltalk image (which runs on the Squeak VM as well as other VMs) is that there are bits in it which were set prior to 1980, and consequently are not the consequence of any of the source code provided with it. -- John Cowan http://www.ccil.org/~cowan cowan at ccil.org The Imperials are decadent, 300 pound John Cowan free-range chickens (except they have http://www.ccil.org/~cowan teeth, arms instead of wings, and dinosaurlike tails). --Elyse Grasso