OpenBSD: Fix remaining build issues

src/backend/egl/ffi.rs

@@ -145,7 +145,7 @@ pub mod egl {
     use std::sync::{LazyLock, Once};
 
     pub static LIB: LazyLock<Library> =
-        LazyLock::new(|| unsafe { Library::new("libEGL.so.1") }.expect("Failed to load LibEGL"));
+        LazyLock::new(|| unsafe { Library::new("libEGL.so") }.expect("Failed to load LibEGL"));
 
     pub static LOAD: Once = Once::new();
     pub static DEBUG: Once = Once::new();

src/wayland/drm_syncobj/mod.rs

@@ -66,6 +66,7 @@ pub use sync_point::*;
 
 /// Test if DRM device supports `syncobj_eventfd`.
 // Similar to test used in Mutter
+#[cfg(not(target_os = "openbsd"))]
 pub fn supports_syncobj_eventfd(device: &DrmDeviceFd) -> bool {
     // Pass device as placeholder for eventfd as well, since `drm_ffi` requires
     // a valid fd.
@@ -75,6 +76,11 @@ pub fn supports_syncobj_eventfd(device: &DrmDeviceFd) -> bool {
     }
 }
 
+#[cfg(target_os = "openbsd")]
+pub fn supports_syncobj_eventfd(device: &DrmDeviceFd) -> bool {
+    false
+}
+
 /// Handler trait for DRM syncobj protocol.
 pub trait DrmSyncobjHandler {
     /// Returns a mutable reference to the [`DrmSyncobjState`] delegate type

src/wayland/drm_syncobj/sync_point.rs

@@ -114,6 +114,7 @@ pub struct DrmSyncPoint {
 
 impl DrmSyncPoint {
     /// Create an eventfd that will be signaled by the syncpoint
+    #[cfg(not(target_os = "openbsd"))]
     pub fn eventfd(&self) -> io::Result<Arc<OwnedFd>> {
         let fd = rustix::event::eventfd(
             0,
@@ -131,6 +132,11 @@ impl DrmSyncPoint {
         Ok(fd)
     }
 
+    #[cfg(target_os = "openbsd")]
+    pub fn eventfd(&self) -> io::Result<Arc<OwnedFd>> {
+        Err(io::Error::other("oh no!"))
+    }
+
     /// Signal the sync point.
     pub fn signal(&self) -> io::Result<()> {
         let ctx = self.timeline.0.dev_ctx.lock().unwrap();