Fwd: Compatibility of binaries built with one version of cygwin with other versions of cygwin

[Marco Atzeri]

On 3/27/2015 2:01 PM, Tom Kacvinsky wrote:
> Question:  if I build an executable/shared library on one version of
> cygwin, is it guaranteed to work on later versions of cygwin, or is
> that not recommended?
>
> I learned the difficult way that building on one version and running
> on an earlier version doesn't work.  My binaries are based on C++
> code, so there is a dependency on libstd++ and libgcc_s (using the
> Linux names for these libraries) and that is where I think I was
> getting burned.  I don't think it is a problem with cygwin1.dll
>
> Thanks,
>
> Tom
>

compatibility is expected forward not backward.
New versions may have additional features that of course are not
available backward.

Regards
Marco

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