Matthew,
But current 32-bit Windows
nightly builds do not provide it either. I did not notice when they
stopped to provide it.
When I try the 32-bit Windows builds, they seem to have extflonums enabled.
Oh, sorry. It has turned out that I was jumping to conclusion
on this one.
Actually, extflonums in my 32-bit Windows installation
are supported on the first sight. But as soon as I run an actual
program, I get the following error message:
unsafe-extfllong_double_mult: unsupported on this platform
FWIW, my actual program is a C program that uses a Racket library
obtained with raco ctool. I can provide you more details and a
reproducible example if the above is not enough to hunt down
the cause.
Moreover: I just built Racket from github source on 32-bit Linux with
--enable-extflonum switch to ./configure, and the build version
somehow misses the extflonums:
extfl+: unsupported on this platform
I suppose that maybe something went wrong in the build scripts
and/or macros.
I guess the `--enable-extflonum` flag is misleading. It's enabled by
default, but a build includes extflonum support only if compatible
compiler flags are provided. You probably need to provide
CPPFLAGS="-msse2 -mfpmath=sse"
to `configure` to enable extflonums on 32-bit Linux.
OK, thank you for clarification.
Best regards,
Dmitry
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