Re: [Chicken-hackers] [PATCH] Add debug build hint, register debugbuild feature

[Peter Bex]

On Mon, Apr 13, 2015 at 12:23:28PM +0200, Christian Kellermann wrote:
> Hi,
> 
> maybe the following is useful to you as well. The small patch registers
> the debugbuild feature and also shows it in the banner used by csi. I am
> not sure whether this will have funny effects when cross compiling but
> I have not found issues so far in my daily usage (w/o cross
> compilation).
> 
> What do you think?

That will not work as intended, because DEBUGBUILD is a compile-time
option that can be used *after* translation to C (and hence can also be
supplied when building a fresh release CHICKEN from a tarball).

However, cond-expand must be done by the conversion from Scheme to C,
which requires a bootstrap compiler.

If you want to do this, it's better to provide it from a fudge factor,
which is handled in runtime.c.  See for example how the "64-bit" feature
is provided; it is also derived at C compilation time.

Cheers,
Peter

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