Fix Linux build.

.github/workflows/build.yml

@@ -53,11 +53,11 @@ jobs:
         sudo apt update
         sudo apt install --no-install-recommends libasound2-dev libudev-dev libwayland-dev libxkbcommon-dev
     - name: test
-      run: cargo test --all-features
+      run: cargo test --all-features --features bevy/wayland
     - name: clippy
-      run: cargo clippy --tests --examples --all-features
+      run: cargo clippy --tests --examples --all-features --features bevy/wayland
     - name: doc
-      run: cargo doc --all-features
+      run: cargo doc --all-features --features bevy/wayland
     - name: fmt
       run: cargo fmt --check
   all-features-nightly:
@@ -80,12 +80,12 @@ jobs:
         sudo apt update
         sudo apt install --no-install-recommends libasound2-dev libudev-dev libwayland-dev libxkbcommon-dev
     - name: test
-      run: cargo test --all-features
+      run: cargo test --all-features --features bevy/wayland
     - name: clippy
-      run: cargo clippy --tests --examples --all-features
+      run: cargo clippy --tests --examples --all-features --features bevy/wayland
     - name: doc
       env:
         RUSTDOCFLAGS: --cfg docsrs
-      run: cargo doc --all-features
+      run: cargo doc --all-features --features bevy/wayland
     - name: fmt
       run: cargo fmt --check

README.md

@@ -102,7 +102,8 @@ away from the screen’s center (e.g., the rotation accelerates towards the edge
 
 Following features are disabled unless their corresponding feature gate is enabled:
 
-  * `bevy_egui` for automatic viewport stealing whenever `egui` wants focus.
+  * `bevy_egui` for automatic viewport stealing whenever `egui` wants focus. On Linux you have
+    to enable either the `bevy/wayland` or the `bevy/x11` feature gate as well.
   * `serialize` for `serde` support of various structures of this crate and its dependencies.
   * `c11-orbit` for testing the behaviorally identical C implementation of the exponential map.
 

src/lib.rs

@@ -82,7 +82,8 @@
 //!
 //! Following features are disabled unless their corresponding feature gate is enabled:
 //!
-//!   * `bevy_egui` for automatic viewport stealing whenever `egui` wants focus.
+//!   * `bevy_egui` for automatic viewport stealing whenever `egui` wants focus. On Linux you have
+//!     to enable either the `bevy/wayland` or the `bevy/x11` feature gate as well.
 //!   * `serialize` for `serde` support of various structures of this crate and its dependencies.
 //!   * `c11-orbit` for testing the behaviorally identical C implementation of the exponential map.
 //!