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If I upgrade to a new version of g++, do I need to reinstall libg++?

April 26, 2017libg++ reinstall upgrade version

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If I upgrade to a new version of g++, do I need to reinstall libg++?

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As a rule, the first two digits of your g++ and libg++ should be the same. Normally when you do an upgrade in the “minor version number” (2.5.7 to 2.5.8, say) there isn’t a need to rebuild libg++, but there have been a couple of exceptions in the past.