Hi, I am trying to build FairRoot using the FAIRROOT_MODULAR_BUILD option, but it seems to don't be active. https://github.com/FairRootGroup/FairRoot/blob/master/CMakeLists.txt#L124 https://github.com/FairRootGroup/FairRoot/blob/master/CMakeLists.txt#L230 Is the readme just outdated?