fix(http): clean up feature flags

Author: lennartkloock

crates/http/Cargo.toml

@@ -61,8 +61,8 @@ http2 = [
 ]
 ## Enables http3 support
 http3 = ["dep:quinn", "dep:h3-quinn", "dep:h3"]
-## Enables WebTransport over HTTP/3 support (enables http3)
-webtransport = ["http3", "dep:h3-webtransport", "dep:h3-datagram", "h3-quinn/datagram"]
+## Enables WebTransport over HTTP/3 support
+webtransport = ["dep:h3-webtransport", "dep:h3-datagram", "h3-quinn?/datagram"]
 ## Enables tls via rustls
 tls-rustls = ["dep:tokio-rustls"]
 ## Alias for ["http3", "tls-rustls"]

crates/http/src/lib.rs

@@ -61,6 +61,9 @@
 #[cfg(all(feature = "http3", not(feature = "tls-rustls")))]
 compile_error!("feature \"tls-rustls\" must be enabled when \"http3\" is enabled.");
 
+#[cfg(all(feature = "webtransport", not(feature = "http3")))]
+compile_error!("feature \"http3\" must be enabled when \"webtransport\" is enabled.");
+
 #[cfg(any(feature = "http1", feature = "http2", feature = "http3"))]
 pub mod backend;
 pub mod body;

vendor/cargo/defs.bzl

@@ -946,7 +946,6 @@ _NORMAL_DEPENDENCIES = {
         "webtransport": {
             _COMMON_CONDITION: {
                 "h3-datagram": Label("@cargo_vendor//:h3-datagram-0.0.2"),
-                "h3-quinn": Label("@cargo_vendor//:h3-quinn-0.0.10"),
                 "h3-webtransport": Label("@cargo_vendor//:h3-webtransport-0.1.2"),
             },
         },
@@ -4366,7 +4365,6 @@ _FEATURE_FLAGS = {
         "tracing": [
         ],
         "webtransport": [
-            "http3",
         ],
     },
     "crates/metrics": {