• ROOT system installation and update
    Computer/linux 2008.12.20 07:12
    The ROOT system is an object-oriented Data Analysis Framework.


    OS: Ubuntu 8.04 / RHEL 5.3
    GCC : gcc version 4.2.4 (Ubuntu 4.2.4-1ubuntu3) / gcc version 4.1.2 20080704 (Red Hat 4.1.2-44)

    Some useful reference  is http://root.cern.ch/twiki/bin/view/ROOT/SubversionHowto

    1. Check the web site of ROOT system http://root.cern.ch/svn/root/tags/
      and decide one version that I want to install.

    2. For example, v5-22-00.

      cd $HOME/programs/
      svn co http://root.cern.ch/svn/root/tags/v5-22-00 root.5.22

      root.5.22 is a local directory name and will be created by svn.

    cd $HOME/programs

    Since I want to use a general directory name for ROOT system, thus
    I create a symbolic link. Thus, my ROOT directory is
    $HOME/programs/root/. N.B. if the file system is a fat32, symbolic links
    cannot be created.

    ln -s root.5.22 root

    ln -s root.5.26a root

    4. When I install a fresh ROOT system on my Linux, make sure to install proper packages by using.. 

    ubuntu 8.04

    apt-get install libjpeg62-dev libtiff4-dev  libxml2-dev libssl-dev libgnutls-dev libgmp3-dev libxmu-dev libpng12-dev libldap2-dev libkrb5-dev freeglut3-dev libxmu-dev fftw3 fftw3-dev  python-dev   libmysqlclient15-dev libgif-dev libungif4-dev libiodbc2 libiodbc2-dev

    Debian 6 squeeze
    apt-get install  comerr-dev freeglut3-dev krb5-multidev libfftw3-dev libgif-dev \
      libgl1-mesa-dev libglu1-mesa-dev libgmp3-dev libgmpxx4ldbl libiodbc2\
      libiodbc2-dev libkrb5-dev libldap2-dev libmysqlclient-dev libssl-dev\
      libtiff4-dev libtiffxx0c2 libxmu-dev libxmu-headers libxt-dev\
      mesa-common-dev libxpm-dev libpq-dev  libxft2 libxft-dev libgsl0-dev

    5. set or change ROOTSYS to the your `root' directory:
    5.1 First installation,

     export ROOTSYS=$HOME/softwares/root

     setenv ROOTSYS $HOME/softwares/root

       GOTO 6.

    5.2 Update or new version
        5.2.1 Deactivate other export lines of ROOT system in ".bash_export" or ".bashrc" file
        # ROOT path configuration
        #    export ROOTSYS=$HOME/programs/root
        #    export PATH=$ROOTSYS/bin:$PATH

        5.2.2 Restart a xterm, and go to $HOME/programs/root
        5.2.3 Check the the ROOT path is empty by echo $ROOTSYS

        GOTO 6.

    ./configure linux --enable-minuit2 --enable-roofit --enable-table --enable-gdml

    ./configure linux --enable-minuit2 --enable-roofit --enable-table --enable-gdml --enable-pgsql --enable-mysql


    ./configure linuxx8664gcc  --enable-mysql --enable-roofit --enable-table --enable-gdml --enable-minuit2

    more ouput


    7.1 First installation,
       Add the following paths in ".bash_export" or ".bashrc" file
         export ROOTSYS=$HOME/programs/root/
         export PATH=$ROOTSYS/bin:$PATH

    Add the following paths in ".tcshrc" file
    setenv HOME_PROGRAMS ${HOME}/programs
    setenv ROOTSYS /opt/root
    setenv PATH ${ROOTSYS}/bin:${PATH}

    7.2 Update or new version
        7.2.1 Set ROOTSYS in current xterm
    export ROOTSYS=$PWD
    setenv ROOTSYS $PWD
        7.2.2 Configure and make
        7.2.3 add the new ROOTSYS in bashrc or tcshrc

        Open a new xterm, type root

    update revision
    • cd $HOME/programs/root.5.22
    • svn up
    • cd $HOME/programs/root
    • ./configure linux --enable-minuit2 --enable-roofit --enable-table --enable-gdml
    • make

    svn info


    On 64 bit machine, I failed to compile with the following message :

    /usr/lib64/libgslcblas.a: could not read symbols: Bad value

    Then rerun the following command

    ./configure linuxx8664gcc  --enable-roofit --enable-table --enable-gdml --enable-minuit2 --enable-gsl-shared


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