ROOT Version: 6.22.08 Platform: Ubuntu 20.04 under WSL2 Compiler: gcc 9.3.0 Hi there. I am pretty sure that I’m not the first one to mention this error occur, but I’d like to know how to deal with it in details (what I couldn’t find on internet so far). When I tried to compile a .cxx with -lMathM…

$(root-config --glibs) -lMathMore

$(root-config --glibs) returns empty. I tried to use `root-config --glibs` -lMathMore

That is also fine. Check: root-config --has-mathmore

So, you need to (re)build your ROOT from source or just take a pre-compiled binary distribution provided by the ROOT Team .

Could you please tell more about both these options? How exactly do I rebuild ROOT? Is this pre-compiled binary distribution will wipe an issue for any possible library?

Do you actually need MathMore? What happens if you remove -lMathMore from the invocation?

Hi, What do you mean “to remove -lMathMore from the invocation”? I kinda needed some stuff from SpecFunc, but, for a moment, I was able to resolve my needs without it (e.g. used TMath::BesselI0). When I tried to call something from ROOT::Math, my luck ran out. So I’d like to be sure that I know ho…

OK then let’s go back to what Wile_E proposed. You can download the binary builds we offer for instance for Ubuntu 20.04. You can untar this into a new directory; it will not affect other ROOT installations on your disk.

Hi, Thanks for suggestion but could you please explain what do I do exactly? From instruction on Installing ROOT - ROOT I can’t figure how do I get MathMore by downloading this distribution? Am I supposed to install it like usual and use it instead of a previous one? Or am I supposed to import some…

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Cannot find -nameOfLibrary

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Wile_E_Coyote March 3, 2022, 12:01pm 16

How to dump modulemap ".pcm" files Cling

In ROOT 6.18 and earlier, for each “${ROOTSYS}/lib/lib*.so” library, there existed a corresponding “${ROOTSYS}/lib/lib*.rootmap” text file. This allowed e.g. to easily find which library was needed for a class (when linking errors appeared). In ROOT 6.19 and newer, there exist only “${ROOTSYS}/lib/*.pcm” binary files. What is the command which dumps the contents of these files in a human readable (ASCII) form? I guess I would like to get (ASCII) text output which kind of “resembles” what was…

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