On Thu, 22 Sep 2016, Martin Sebor wrote:

> In light of this risk and given that the recommended MPFR version
> is still 2.4 I wonder if the download_prerequisites script shouldn't
> instead download the minimum supported version.  That way those of

No, it should download the latest version known to work with the script 
and we should routinely review and update those versions (preferably they 
should be the latest releases of the libraries, subject to avoiding major 
updates while in bug-fixing mode).  We should not encourage use of ancient 
versions, although we should only update the minimum when there's actually 
a new feature we want to use (that feature may just be a convenience 
rather than something hard to avoid, if the minimum version with it is old 

Joseph S. Myers

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