reassign 780991 libstdc++6 title 780991 Broken shlibs/symbols for libstdc++6 kthxbye
On Sun, Mar 22, 2015 at 10:36:48PM +0100, Elena Grandi wrote: > Package: slic3r > Version: 1.2.6+dfsg-1 > Severity: grave > Justification: renders package unusable > > I've installed slic3r from experimental on a mostly testing system, and > it does not start because it requires threads.pm >= 1.96, while perl > 5.20.2 only provides version 1.93 That's not the problem. It'll work with threads.pm 1.93. This is just a warning. The real problem is here: > Can't load '/usr/lib/x86_64-linux-gnu/perl5/5.20/auto/Slic3r/XS/XS.so' for > module Slic3r::XS: /usr/lib/x86_64-linux-gnu/libstdc++.so.6: version > `GLIBCXX_3.4.21' not found (required by > /usr/lib/x86_64-linux-gnu/perl5/5.20/auto/Slic3r/XS/XS.so) at > /usr/share/perl/5.20/XSLoader.pm line 68. It's trying to look for the GLIBCXX_3.4.21 symbol from your libstdc++.so.6 library, but is failing to find this. This means that the libstdc++.so.6 that Slic3r was compiled against is newer than the one you have. > ii libstdc++6 4.9.2-10 I checked out this version of libstdc++6 (nm -D /usr/lib/x86_64-linux-gnu/libstdc++.so.6) , and sure enough, the GLIBCXX_3.4.21 symbol is missing. Slic3r's dependency list only suggests that it needs >= 4.9, which is wrong. It needs >= 5. For the time being, it should work if you just install the libstdc++6 package from experimental. Since native library dependencies are generated automatically during the build process, libstdc++6's symbols file needs to be fixed first, and then slic3r rebuilt against the new one. -- Kind regards, Loong Jin
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