How to run the root inside another program?

ROOT
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How to run the root inside another program?

ROOT Version: 6.19/01
Platform: Ubuntu
Compiler: Not Provided

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ROOT -> Frequently Asked Questions -> Can I integrate ROOT into my CMake build?
ROOT -> How To -> Developer’s Tips -> Integrate ROOT into my project with CMake
ROOT -> How To -> Developer’s Tips -> Running ROOT tests

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I didn’t understand.

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Hi,
what do you mean exactly with “running root inside another program”? You can use ROOT as any other C++ library, #include the headers, pass the right flags to the linker and compile a C++ program that uses ROOT. Is that what you mean? If yes, the simplest compiler invocation is g++ -o myprogram myprogram.cpp $(root-config --libs --cflags).

To integrate ROOT with an existing C++ project that uses cmake as the build system, you can follow Wile’s links.

Cheers,
Enrico

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Maybe this is what I need. What should I write instead of --libs and --cflags?

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–libs and --cflags :smiley: that’s the full command, assuming you have a working ROOT installation

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ROOT Forum -> Search -> “root-config --cxx”

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I added “$ (root-config --libs --cflags)”, g ++ gave errors “… was not defined in this scope” on the root function

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That’s a proper compiler error. It means you are missing the definition for whatever symbol the compiler is complaining about. Most probably you need to #include the corresponding header. You can check the reference guide for the name of the headers containing the classes/objects you need.

Cheers,
Enrico

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Yes, I think I figured it out, thanks :slight_smile:

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