How to compile with 32bit arch on 32bit machine: 1) set the PAMELA environment 2) source set_env_comp.sh 3) make distclean all install How to compile with 32bit arch on 64bit machine: 1) set the PAMELA environment 2) source set_env_comp.sh 3) set the PAM_BIT environmental variable to "-m32" 4) make distclean all install How to compile with 64bit arch on 64bit machine: 1) set the PAMELA environment #### remember to use 64bit external software (ROOT, MySQL, etc.) #### 2) source set_env_comp.sh 3) set the PAM_BIT environmental variable to "-m64" 4) make distclean all install