Re: [Gcl-devel] Question...

[Camm Maguire]

Greetings!  Well, taking a quick look, it appears as if its an
optional feature, added in with the #define IEEEFLOAT.  I don't yet
know how/if the basic lisp code depends on this, but it would appear
on the surface that there is some provision for working around the
lack of ieee.  On the other hand, it appears the TCL_LIBS for some
reason need -lieee added.  You may not be able to get tcl working
without it.  

I'd try building without this define, and doing a 'make test' in
maxima build on the resulting gcl.  That is my best test to date,
though more are coming soon!

Robert Alan Byer <address@hidden> writes:

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> I have a question...
> 
> How dependent is GCL upon using IEEE floats?
> 
> Here's why I'm asking...
> 
> The OpenVMS DEC C compiler by default dosen't use IEEE floats and one has 
> to tell it to use IEEE float mode 
> (using /FLOAT=IEEE_FLOAT/IEEE_MODE=DENORM_RETULTS).  The problem is that
> only the Alpha platform supports IEEE floats and not the VAX platform.
> 
> If GCL isn't dependent on IEEE float mode then it should run on the VAX 
> platform once I get the Alpha port going giving GCL another platform
> (and I've had many VAX people asking about GCL for VAX).
> 
> Right now to be safe I'm compiling with IEEE float mode on OpenVMS Alpha 
> but would like to know if it's really necessary or not.
> 
> 
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-- 
Camm Maguire                                            address@hidden
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"The earth is but one country, and mankind its citizens."  --  Baha'u'llah