Quick Start Guide to building GlueX Software
You gotta start somewhere. Here that means you need Xerces-C, Cernlib, and Root. The following need to be defined first:
Here is an example of a working definition on ifarml5 (running Fedora 8):
setenv XERCESCROOT /group/halld/Software/ExternalPackages/xerces-c-src_2_7_0.Linux_Fedora8-i686-gcc4.1.2 setenv ROOTSYS /apps/root/PRO/root setenv CERN /apps/cernlib/i386_fc8 setenv CERN_LEVEL 2005
and an example for jlabl3 (running RHEL5):
setenv XERCESCROOT /group/halld/Software/ExternalPackages/xerces-c-src_2_7_0.Linux_RHEL5-i686-gcc4.1.2 setenv ROOTSYS /apps/root/PRO/root setenv CERN /apps/cernlib/i386_rhel5 setenv CERN_LEVEL 2005
and an example for jlab1102 (running CentOS6 [as of 2013/01/06]):
setenv XERCESCROOT /group/halld/Software/ExternalPackages/xerces-c-3.1.1.Linux_CentOS6-x86_64-gcc4.4.6 setenv ROOTSYS /apps/root/PRO/root setenv CERN /group/halld/Software/ExternalPackages/cernlib/Linux_CentOS6-x86_64-gcc4.4.6 setenv CERN_LEVEL 2005
Check-out and build
The following will checkout out and build CCDB, JANA, HDDS, and sim-recon in the current directory in the C-shell:
setenv GLUEX_TOP `pwd` svn checkout https://halldsvn.jlab.org/repos/trunk/scripts/build_scripts source build_scripts/gluex_env.csh set make_targets="ccdb_build jana_build hdds_build sim-recon_build" make -f $BUILD_SCRIPTS/Makefile_all $make_targets
Note that this prescription uses gluex_env.csh to set-up the GlueX environment.
Run the code
Again you have to start somewhere. Let's assume that you want to create a directory to run the code, update your path, run the default configuration of the Monte Carlo and reconstruct the result with a default analysis code. The following assumes that you have already set up your environment as prescribed in the previous section.
Create a run directory
cd $HOME mkdir run cd run
Refresh the path
Run the Monte Carlo
cp $HALLD_HOME/src/programs/Simulation/HDGeant/control.in . hdgeant
Smear the hits
Run the analysis
What if I don't have the prerequisites?
If the system you are on does not have Xerces-C, ROOT, or CERNLIB, there are targets in Makefile_all that can build these for you (although YMMV). For example if you do not have xerces on your system then you can modify the instructions above as follows:
- Do not set the XERCESCROOT environment on your own (as described in the "pre-requisites" section above). gluex_env.csh will do that for you.
- Add the target "xerces_build" to the "make_targets" environment variable (as described in the "check-out and build" section above), i. e., say
set make_targets="xerces_build jana_build hdds_build halld_build"
Likewise you can build ROOT and CERNLIB in a similar manner. The appropriate targets are "cernlib_build" and "root_build" respectively.
For more information on the scripts and makefiles used in this HOWTO, see Build Scripts and Makefiles.