ROOT Version: 6.26.06_2 Platform: Mac OS Monterey 12.6.3 (Intel) Compiler: Apple clang version 14.0.0 (clang-1400.0.29.202) The brew website for root (*) says that the “stable” version of root is 6.26.06 and that it needs python 3.10.10 I just installed with “brew install root” and I do indeed u…

Problem solved, sorry for the noise. I had the CPPYY_BACKEND_LIBRARY env variable pointing to an older version of root.

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Brew installation of ROOT problem with python

Wile_E_Coyote March 28, 2023, 6:49am 2

You MUST use EXACTLY the same Python version (and the same compiler) that your ROOT binaries were built for (otherwise, expect mysterious crashes anywhere, anytime): root-config --python-version # C/C++ calling python ; root-config --python2-version # python 2 calling C/C++ ; root-config --python3-version # python 3 calling C/C++ ; BTW. Remember to “source /the/location/of/ROOT/bin/thisroot.sh” to add your ROOT executables and libraries to your environment (when ROOT is not installed in some “…

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