Mail Archives: cygwin/2003/02/15/21:15:53
On Sat, Feb 15, 2003 at 09:05:31PM -0500, Charles Wilson wrote:
>patch-2.5.8-3 requires the new symbol strerror_r, which is not provided
>by cygwin-1.3.19; it was added in 1.3.20. Therefore, if you've updated
>'patch' but not 'cygwin', you get a missing symbol popup.
>
>I'm not complaining; this is not abnormal behavior. We guarantee
>backward compatibility, not forward -- and this is a *forward*
>compatibility issue. I just don't remember a warning in the
>patch-2.5.8-3 announcement that upgrading patch *requires* upgrading cygwin.
>
>Not that I check forward compatibility, every time I release a new
>package, either...
Yeah, it's never clear how you are going to break behavior with older
dlls when you add a new symbol.
That's one of the reasons why I have resisted, slightly, the steady
encroachment of newlib functions into cygwin.din. Every time we do that
we guarantee a "I'm getting this completely inexplicable error message
about a missing symbol. Whatsoever could be the problem?" message here
when someone tries to use a newer program with an older DLL.
With my recent changes, I guaranteed a *whole lot* of these messages, in
fact. Get ready.
cgf
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