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[Bug libstdc++/31779] GLIBCXX_3.4.9 undefined in libstdc++.so.6 (link time)
- From: "pinskia at gcc dot gnu dot org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: 1 May 2007 22:39:05 -0000
- Subject: [Bug libstdc++/31779] GLIBCXX_3.4.9 undefined in libstdc++.so.6 (link time)
- References: <bug-31779-11706@http.gcc.gnu.org/bugzilla/>
- Reply-to: gcc-bugzilla at gcc dot gnu dot org
------- Comment #2 from pinskia at gcc dot gnu dot org 2007-05-01 23:39 -------
(In reply to comment #1)
> Obviously, you are linking a binary compiled with 4.2.0 to a 4.1.2 library.
> That kind of "backward" compatibility is not provided and never was in the
> past.
That is called forwards compatibility which is hard to do in general as it
means you cannot add any new functions.
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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=31779