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Right now, we have upgraded to Ubuntu 20.04 6 version having glibc version as 2.31. However, there are some packages which requires native packages. For example, icu is dependent upon icu-native which is compiled with GLIBCXX_3.4.30, but when icu is getting compiled in it is checking for 3.4.30 but libstdc++ library only supports till 3.4.28.

So, I have following questions:

  • How can we fix this? Is it possible to downgrade the glibc version on Ubuntu.

Sumit

Artur Meinild
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Sumit Bansal
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    Welcome to Ask Ubuntu! This sounds like an inherently bad idea. glibc is an integral part of the system, and messing with the version (especially downgrading) would be dangerous. Also, there's something about your versions that I don't understand. How does glibc 2.31 relate to libstdc++ 3.4.30? – Artur Meinild Aug 04 '23 at 10:01
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    In general, if you require special software with special dependencies, such software is best run in containerized or virtual environments, where the environment can be customized without affecting the host system. – Artur Meinild Aug 04 '23 at 10:03
  • Does this answer your question? How to downgrade packages on Ubuntu? – karel Aug 05 '23 at 06:56
  • @karel I would caution against trying to downgrade glibc unless one really knows what they're doing and has a really good reason for doing so that isn't an XY Problem. – cocomac Aug 06 '23 at 05:47
  • @cocomac The problem with this question is that it's not possible to safely downgrade the glibc version on Ubuntu, so the best answer to this question is that there is no answer. Since there is no answer to it, I'm using the duplicate question to close this unanswerable question. – karel Aug 06 '23 at 06:36

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