sha256 problem encountered during 'make release'

[Lucian Branescu]

On 18 August 2011 12:14, James E Keenan <jkeen at verizon.net> wrote:
> In the course of preparing the 3.7 release, Coke++ reported being unable to
> do 'make release' on Mac OS X due to the requirement to create sha256
> checksums of the release tarballs.
>
> I have been attempting to remedy this problem in the tar_shasum branch.  I
> added entries for 'tar' and 'sha256sum' to init::defaults, then provided
> OS-specific values to override the default (Linux) setting for 'sha256sum'
> as I could find them for Darwin, FreeBSD and OpenBSD in their respective
> init::hints::* packages.  (I could not locate ways to create sha256
> checksums on NetBSD or DragonFlyBSD.  I have not yet explored how to do so
> on Windows.)
>
> (It's interesting that the utility suggested by dukeleto++ for Darwin,
> 'shasum -a 256' is a command-line utility bundled with Darwin that is
> actually implemented in Perl 5!)
>
> Using the code in this branch, I have successfully run:
>
>  perl Configure.pl && make relcheck
>
> ... on Linux and Darwin, which constitute proof of the solution's validity.
>  Coke, can you confirm this?
>
> Also, can anyone provide the Windows equivalent?

Afaik, windows comes with no tools whatsoever for doing checksums.
Perhaps since perl is already required, a perl script could be written
for that?