The -d0.12 debugging switch, in addition to the information displayed by the -d0.10 debugging switch, causes the list of the sendmail library (libsm) macros that were defined at compile time to be displayed:

libsm Defines: SM_CONF_BROKEN_STRTOD SM_CONF_GETOPT SM_CONF_SETITIMER
               SM_CONF_SHM SM_CONF_STDDEF_H SM_CONF_UID_GID SM_HEAP_CHECK