feat: show clear compiler error when no backend is chosen. (rust-lang…

…#359)
Byron · Jul 5, 2023 · 9e4979e · 9e4979e
1 parent 2684a56
commit 9e4979e
Showing 1 changed file with 12 additions and 0 deletions.
diff --git a/src/lib.rs b/src/lib.rs
@@ -78,6 +78,18 @@
 #![cfg_attr(test, deny(warnings))]
 #![cfg_attr(docsrs, feature(doc_auto_cfg))]
 
+#[cfg(not(any(
+ feature = "rust_backend",
+ feature = "zlib",
+ feature = "zlib-default",
+ feature = "zlib-ng",
+ feature = "zlib-ng-compat",
+ feature = "cloudflare-zlib"
+)))]
+compile_error!(
+ "You need to choose a zlib backend"
+);
+
 pub use crate::crc::{Crc, CrcReader, CrcWriter};
 pub use crate::gz::GzBuilder;
 pub use crate::gz::GzHeader;