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Re: Problem with .FAS file on SunOS4
- To: email@example.com
- Subject: Re: Problem with .FAS file on SunOS4
- From: haible (Bruno Haible)
- Date: Fri, 25 Nov 94 01:50:09 +0100
David Arnold <firstname.lastname@example.org> writes about old .FAS files:
> *** - This file was produced by another lisp version, must be recompiled.
> Since I do not have the source code for this file, and being a bit
> of a hacker, I thought I would have a look at the file. The first thing
> that struck me was a number that looked suspiciously like a date in
> the first line.
Yes, this is the date of the last incompatible change to the bytecode.
> I then decided to alter the date in
> the original '.fas' file to be the same as in the simple one.
I would not recommend to do this.
> Does this mean that I cannot use this file, or can I get a copy of an
> earlier compiler to run it on.
Indeed, you cannot use this .FAS file with newer CLISP versions.
- you get a not-so-new CLISP (available in the 199x-yy-zz/ directories
of the source/ and binaries/*/ directories on
- someone writes a "decompiler" that turns the bytecode contained in the
.fas file into some primitive Lisp code which can then be compiled
by a newer CLISP version.