Solgemc installation outside JLAB

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by Rich Holmes

I have been working on getting the Geant4 simulation and related software up and running on a couple of non JLAB systems; here are some notes on what I did most recently. This is a much better example to follow than my previous ones, but you can read about those too if you want.

The target system is one running CentOS 6.3 (64 bit). Earlier I installed under Ubuntu 10.10 (32 bit i386) similarly.

I followed the procedure here to install gemc.

After that:

  1. cd $JLAB_SOFTWARE/evio
  2. Edit $JLAB_SOFTWARE/evio/SConstruct: add the following lines after env.Append(LIBPATH = ['lib']):

    env.Append(LINKFLAGS = '-fPIC')
    env.Append(CPPFLAGS = '-fPIC')
    env.Append(CXXFLAGS = '-fPIC')
    env.Append(CCFLAGS = '-fPIC')
  3. scons -c; scons
  4. cd $JLAB_SOFTWARE/gemc
  5. Edit $JLAB_SOFTWARE/gemc/SConstruct: copy the env.Library line at the end, paste, and replace env.Library with env.SharedLibrary; also add the following lines after env.Append(LIBPATH = ['lib']):

    env.Append(LINKFLAGS = '-fPIC')
    env.Append(CPPFLAGS = '-fPIC')
    env.Append(CXXFLAGS = '-fPIC')
    env.Append(CCFLAGS = '-fPIC')
  6. scons -c; scons

(The '-fPIC' edits were not needed for Ubuntu 10.10.)

solgemc

  1. svn checkout https://jlabsvn.jlab.org/svnroot/solid/solgemc into $JLAB_SOFTWARE/solgemc and cd there
  2. scons
  3. In your ~/.cshrc add $JLAB_SOFTWARE/gemc to LD_LIBRARY_PATH environment variable

For additional packages, e.g. banks, cteq, event generator, root2lund see Second Installation here.