Re: System compilation failure, CLPPCRE, ASDF, SBCL involved

On 5293 September 1993, Juho Snellman wrote:
Holger Schauer <Holger.Schauer@xxxxxx> writes:
What baffles me is that I get that error only when I add the
parse-integer call. I don't understand that at all and also don't have
the slightest idea where to look next. Any hints?

PARSE-INTEGER needs a string argument. SBCL has noticed that there's a
chance it'd be called with NIL instead, and is giving a warning about
that. [...]
Or you can let SBCL know that YEAR will in fact not be NIL when
PARSE-INTEGER is called: (when year (parse-integer year))

Thanks. That indeed fixes both the warning and the error on ASDF
loading. While the problem at hand is now fixed, I would still be
interested to learn why a simple compilation warning may result in an
ASDF compile error. I would have thought that at the end of the day
all what ASDF does is to call compile-file. Usually warnings don't
result in errors during a load-op or compile-op, so is that also some
kind of SBCL special behaviour wrt. to type warnings or something?

Holger

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