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(Re)building the artdaq demo package
These steps assume that you have already installed the artdaq-demo packages using the steps listed on the Installing the demo page.
Once you’ve installed the artdaq-demo, you may want to rebuild it and/or the packages on which it depends after modifying the source code. In order to do this, if we assume you installed artdaq-demo in the directory called BASE_DIR, you can do the following:
To build the artdaq-demo code, please use the following steps:
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log into the test system where you installed the artdaq-demo
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switch to the bash shell
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cd to the BASE_DIR
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Run source setupARTDAQDEMO
Make sure there are no error messages, i.e., that in the output from the source of setupARTDAQDEMO you see: ----------- check this block for errors ----------------------- ----------------------------------------------------------------
…although if you see messages which begin with
INFO: no optional setup, these aren’t indicative of a problem. -
Finally, run the following command: mrb b # "b" is for "build"
mrb is an improvement on previous build techniques in that it will perform compilation across packages when necessary in one stroke - e.g., if both artdaq-core-demo and artdaq-demo have been modified, “mrb b” will rebuild both packages without the user having to worry about first building artdaq-core-demo and then artdaq-demo. “mrb b” is essentially the only mrb command you’d need to know, but for further details you can take a look at the following page from the mrb Redmine wiki: https://cdcvs.fnal.gov/redmine/projects/mrb/wiki/MrbRefereceGuide
After you have built the artdaq-demo package, you can proceed to Running a sample artdaq-demo system.