Stefan writes:
Hello Stefan,
>> Mes 0.27.1 builds using NYACC 2.02.2, which uses srfi-71 only in
>> --8<---------------cut here---------------start------------->8---
>> module/nyacc/lang/c99/ffi-help-bs.scm: #:use-module (srfi srfi-71)
>> module/nyacc/lang/c99/ffi-help-cd.scm: #:use-module (srfi srfi-71)
>> --8<---------------cut here---------------end--------------->8---
>> and I believe those are not used by mescc?
>
> Hm, that was Matt's guess¹, don't know. This is the error message
> with any newer version of NYACC:
Have upgraded to use mes 0.27.1?
> Hello,M2-mes!
> +> GUILE_LOAD_PATH=/fubar
> +> cp bin/mes-m2 bin/mes
> +mescc -c -v -D HAVE_CONFIG_H=1 -I include -I src
> lib/linux/x86_64-mes-mescc/crt1.c -o lib/x86_64-mes/crt1.o
> parsing: input
> unhandled exception: not-a-pair: (("defined(__MES_LIB_MINI_H)" . car))
> Backtrace:
> [c] (dynamic-wind before thunk after)
> [c] (dynamic-wind before thunk after)
> [c] (dynamic-wind before thunk after)
> [c] (loop lst acc)
>
> My best guess is a switch from (system base pmatch) to (ice-9 match)
> in NYACC’s cpp.scm.
Yes, and there's a fix for that in mes-0.27.1
--8<---------------cut here---------------start------------->8---
9efc80d8a mes: Work around hygiene problem in match.
--8<---------------cut here---------------end--------------->8---
>> I'm still wondering how you got upstream TCC to compile, as I don't
>> really see (m)any fixes/additions for "float" or "double" in mescc;
>
> In as.scm anything is integer only, there is no floating point support
> at all in Mes. Any float/double value will become an #:immediate
> which gets converted with dec->hex and so any fraction is dropped.
> Well, my guess is that some TCC code with float/double will be
> truncated to integer arithmetic without fractions. That’s for sure
> buggy, but that part does not seem to harm TCC when building itself.
> Lucky me! :-)
Interesting! I'm just wondering what changed that all the
commenting-out of any float code and gradually enabling it again isn't
any longer necessary.
Greetings,
Janneke
--
Janneke Nieuwenhuizen <jann...@gnu.org> | GNU LilyPond https://LilyPond.org
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