[cmake-developers] [PATCH v3] FindHDF5.cmake HDF5_VERSION Support

[Rolf Eike Beer]

Huebl, Axel wrote:

> I personally also tend to the cropped "HDF5_VERSION" for consistency and
> ease-of-use in environments using stable versions of HDF5 (most
> distributions).
> 
> That doesn't mean we could not provide and *additional*
> "HDF5_VERSION_STRING".
> For sake of consistency, I am not sure how to provide a "-somestring"
> extension to "HDF5_VERSION" that cmake's compare operators such as
> VERSION_LESS would understand (and/or ignore). I guess that is not
> possible and would introduce an inconsistency between the string
> "HDF5_VERSION_STRING" and the quasi-numeric variable "HDF5_VERSION".

VERSION_LESS and friends already ignore the extra parts, that is why you only 
need one variable.

Eike
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