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[Axiom-developer] Axiom on clisp

From: Waldek Hebisch
Subject: [Axiom-developer] Axiom on clisp
Date: Mon, 14 May 2007 19:07:50 +0200 (CEST)

I can now report succesful build on clisp.  You can find a patch at:

Apply on top of sbcl patch.  Like in sbcl case replace
interp-proclaims.lips by safty declaration or empty file.

Clisp handles files and directories in rather strange way, to
make things sane I use cl-fad library from:

ATM one has to manually edit src/lisp/Makefile.pamphlet and
put there correct path to cl-fad.  

Another problem: in default C locale clisp rejects any non-ASCII
charaters.  Martin's guessing package contains some comments in
German and clisp chokes on them.  So, for succesfull build one
has to set charset to something allowing all 8-bit codes.
For example:

LC_CTYPE=ISO-8859-1 make

should work.

Like in sbcl case sockets are fake.  There is extra issue: some
test fail when printing long numbers.  Backtrace indicate floating
point overflow when computing log10 (needed to find width of a
number).  I am not sure what is the exact reason, but this points
out to another problem: clisp has "arbitrary precision" floats
and MOST-POSITIVE-LONG-FLOAT is really large:


In some places Axiom code seem to assume that long-float is the
same as double-float and allowing numbers comparable to
MOST-POSITIVE-LONG-FLOAT may lead to overflow in double-float

                              Waldek Hebisch

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