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Diffstat (limited to 'src/db/lib.rs')
| -rw-r--r-- | src/db/lib.rs | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/src/db/lib.rs b/src/db/lib.rs index 5304c195..d96586be 100644 --- a/src/db/lib.rs +++ b/src/db/lib.rs @@ -2,6 +2,9 @@ #[cfg(feature = "sqlite")] extern crate tracing; +#[cfg(not(any(feature = "lmdb", feature = "sled", feature = "sqlite")))] +compile_error!("Must activate the Cargo feature for at least one DB engine: lmdb, sled or sqlite."); + #[cfg(feature = "lmdb")] pub mod lmdb_adapter; #[cfg(feature = "sled")] |