ROOT Version: 6.24.04 Platform: WSL(Ubuntu) After building root from sources whenever I try to write: sayang@DESKTOP-IFS80HM:~/root_build1$ cmake -DCMAKE_INSTALL_PREFIX=…/root_install …/root_src CMake Error at CMakeLists.txt:16 (message): ROOT must be built out-of-source. Please see README/INS…

I did say “from scratch”, didn’t I. BTW. When you configure ROOT, use: “cmake -Dall=ON ...”

Hi @Sayandeep_Ghosh , there seems to be some problem with how you downloaded the sources and built them. If you just want to install root, you don’t have to build from sources, see Installing ROOT - ROOT . If, as I imagine, you plan to work on the source code, then you will indeed have to build f…

After cloning and typing something like : $ cmake -DCMAKE_INSTALL_PREFIX=../root_install ../root_src # && check cmake configuration output for warnings or errors $ cmake --build . -- install -j4 At the very end its showing [100%] Built target RooStats make[2]: *** No rule to make target ‘/home/s…

That’s a bug, fixed by [RF] Avoid any dependencies of RooFitHS3 for dictionary generation and update HistFactory::JSONTool interface by guitargeek · Pull Request #10082 · root-project/root · GitHub . While the patch is not yet merged, you can either grab that patch or build with -Droofit=OFF. Cheer…

If I install root through precompiled binary distribution such as: wget https://root.cern/download/root_v6.24.02.Linux-ubuntu20-x86_64-gcc9.3.tar.gz $ tar -xzvf root_v6.24.02.Linux-ubuntu20-x86_64-gcc9.3.tar.gz $ source root/bin/thisroot.sh # also available: thisroot.{csh,fish,bat} After typing so…

You cannot add features to an existing binary distribution. You must build your version entirely from source code .

…and v6.24 does not have tmva-sofie anyway, it’s a v6.26 features :sweat_smile: The fix for your build issue was just merged in master, you should be able to build the master branch from source.

Hi @eguiraud , Even after building from the master branch, after writing cmake --build . – install -j4 this error is coming /home/sayang/root_src2/roofit/hs3/src/HistFactoryJSONTool.cxx:16:10: fatal error: RooStats/HistFactory/Measurement.h: No such file or directory 16 | #include “RooStats/His…

You need to : sudo apt-get install libxml2-dev Then, reconfigure your ROOT from scratch again.

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Using ROOT precompiled binary distribution

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Wile_E_Coyote March 10, 2022, 7:51am 4

Error compiling with Ubuntu 20.04.4 LTS Roofit and RooStats

ROOT Version: 6.26.00 Platform: Ubuntu 20.04.4_ARM (virtualized with Parallels from a Mac M1 PRO) Compiler: gcc(g++) 9.4.0 Goodmorning, I just received my new MAC Book PRO with M1 PRO chip and I’m trying to install root on a virtual machine (with Parallels) of Ubuntu 20.04.4 LTS. I downloaded the source code from: root.cern/releases/release-62600/ I need to make this option (needed for the analysis tool we have in lab): cmake -DCMAKE_INSTALL_PREFIX=/home/cmspix/daq/root-6.26.00/install -…

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