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Date:	Fri, 27 Mar 2015 09:01:41 -0400
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Subject:	Fwd: Compatibility of binaries built with one version of cygwin with other versions of cygwin
From:	Tom Kacvinsky <tom DOT kacvinsky AT vectorcast DOT com>
To:	cygwin AT cygwin DOT com
X-IsSubscribed:	yes

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

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