The following environment variables can be used to control libmm settings:
| Variable | Type | Description | Default | Notes |
|---|---|---|---|---|
| LIBMM_LOGFILE_PATH | String | Log file path | .mm.log | |
| LIBMM_RUN_CHECKS | Boolean | Enable runtime validation checks | True | |
| LIBMM_ADD_D3FEND | Boolean | Add D3FEND artifacts and countermeasures to exported Variants | False | |
| LIBMM_ADD_GROUPS | Boolean | Add group metadata to exported Variants | False | |
| LIBMM_DISABLE_EXTENSIONS | Boolean | Disable extensions and event emission | False | |
| LIBMM_EXTENSIONS_DIRECTORY | String | Path to extensions directory | ||
| LIBMM_DB_FILEPATH | String | Use on-disk SQLite database rather than in-memory | ||
| LIBMM_DB_DELIMETER | String | Default delimiter to use for SerDe operations | || | When using the same database across runs, this value must not change |
| LIBMM_DB_AUTODELETE | Boolean | If using an on-disk database, delete it before use | True | |
| LIBMM_EXPERIMENTAL_FEATURES | Boolean | Enable experimental features | False |