Download and extract the source code of OpenMS 2.0.1 (https://github.com/OpenMS/OpenMS/releases). Copy the source code of this directory in the appropriate folders
rsync -avhpI src OpenMS-Release2.0.1/src
Build OpenMS (see https://github.com/OpenMS/OpenMS/wiki/Building-OpenMS)
mkdir OpenMS-build
cd OpenMS-build
cmake -DOPENMS_CONTRIB_LIBS="/PATH/TO/contrib-build" -DBOOST_USE_STATIC=OFF ../OpenMS-Release2.0.1/
Examples for the configuration files are in the folders parameters/ and coefs/. The algorithm is used as follows
./Openms-build/bin/DeNovoSymDiff -ini parameters/parameters_lin.ini -in spectra/ms2.dta2d -out test.idXML -parent_mass 1195.617064 -algorithm:annotation_sequence QAANQQTVEAK -algorithm:rho 0.9