ROOT6 installation on Raspberry Pi 4 (Raspbian 10.9)

ROOT
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I would like to report about successful compilation and installation of ROOT 6.20/04 on the Raspberry Pi 4. It was not so hard, but took some time to solve problem with “undefined symbol: __atomic_fetch_add_8”.
Instruction:

  1. install all required dependencies (https://root.cern/install/dependencies).
  2. Use cmake with option "-DCMAKE_SHARED_LINKER_FLAGS=’-latomic’ " to generate makefiles. Option is necessary to fix problem with “__atomic_fetch_add_8”.
  3. compile and install ROOT as always.
    I hope this information will be interesting.
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Thank you for sharing this!

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