On Thu, 2002-08-22 at 21:35, Maciej W. Rozycki wrote: > On 22 Aug 2002, Luca Barbieri wrote: > > > > Hmm, what if two functions which get imported from different versions of > > > the same library operate on a static (private to the library) variable > > > that is needed for a proper operation for some reason? You'd better > > > rebuild the sources to use a single version of each library instead. > > I don't see how this could cause problems. Each png library should bind > > its own references to its own symbols. > > Do you suggest your proposed change should only be activated for the png > library? The proposed change is activated for everything that is compiled with the -Blocal linker option. For the specific case of libpng, the problem can be solved by linking libpng.so.2 and libpng.so.3 with -Bsymbolic and all libraries that use them with -Blocal (alternatively you can also solve this with versioned symbols but this causes more potential compatibility problems).
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