OT? Legacy code and constants / good and portable coding (RE: Compiling Wine in Cygwin)

Hannu E K Nevalainen (garbage mail) garbage_collector@telia.com
Sun Sep 7 10:26:00 GMT 2003

> From: cygwin-owner@cygwin.com [mailto:cygwin-owner@cygwin.com]On Behalf
> Of Marcel Telka

> On 05.09.2003 22:06, Gregory Nutt wrote:
> > Trying to compile wine-20030813 in the first release of the 1.5.x
> > series.
> >
> > I discovered that shader.c is looking for -HUGE which is apparently
> > supposed to be defined in math.h.  I was able to make it compile by
> > changing the shader.c to look for -HUGE_VAL which is defined in
> > cygwin's math.h.  However, I'd like to know if this is a bug to report
> > to Wine or a bug to report to Cygwin.  Since Wine compiles on Linux
> > without a problem, I thought I'd start with Cygwin.
> IMHO, that is wine-related problem.
> <http://www.opengroup.org/onlinepubs/007904975/basedefs/math.h.html>

Ughhh... I wonder who it was that wrote:

> On Fri, 5 Sep 2003, Igor Pechtchanski wrote:
> > HUGE is a SVID-specific value that is equal to MAXFLOAT on my RedHat 7.3
> > box.  That is *not* the same as HUGE_VAL, BTW, so I'd use MAXFLOAT
> > instead.
> >
> MAXFLOAT is outdated.  I would suggest FLT_MAX in float.h.

As there seems to some confusion regarding this: Thus I wonder;

 Is there ANY good reading on what is legacy/outdated - and what isn't!?

/Hannu E K Nevalainen, B.Sc. EE - 59°16.37'N, 17°12.60'E

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