[CMake] Possible bug in cmake version 2.4-patch 6 with macro argument testing

[Alan W. Irwin]

On 2007-05-28 23:17+0100 Trevor Kellaway wrote:

> Alan,
>
>>> Do you concur the following is a real problem?
>>
>> No, but then I am not really a CMake expert.  Instead, I am a
>> goal-oriented CMake user (i.e., I just want PLplot or
>> whatever to build with no problems) so I just try stuff until
>> something works.
>
> Same here, my primary aim is to get the build system running so I can
> get on with the real project work.
>
>
>> That result (obtained by using an extra ${} for macro
>> parameters ) seems fine to me, but perhaps I have worked
>> around a bug so long in CMake that I am just not sensitive to
>> something that may be legitimately bothering you.
>
> It is more the case that the "IF (var)" form works except in this macro
> case, and had me stumped for several minutes before I realised what was
> going on.
>
> This doesn't really bother me, I just think CMake should be consistent
> in the macro case, to stop others falling into the same trap.

Maybe you are right.  Time for the experts to chime in on this.

Alan
__________________________
Alan W. Irwin

Astronomical research affiliation with Department of Physics and Astronomy,
University of Victoria (astrowww.phys.uvic.ca).

Programming affiliations with the FreeEOS equation-of-state implementation
for stellar interiors (freeeos.sf.net); PLplot scientific plotting software
package (plplot.org); the libLASi project (unifont.org/lasi); the Loads of
Linux Links project (loll.sf.net); and the Linux Brochure Project
(lbproject.sf.net).
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