fix object references for new metno fork

Author: JamesMc86

hdf5-src/ext/hdf5

@@ -4,4 +4,10 @@ fn main() {
     if std::env::var_os("DEP_HDF5_MSVC_DLL_INDIRECTION").is_some() {
         println!("cargo::rustc-cfg=windows_dll");
     }
+    for (key, _) in std::env::vars() {
+        if key.starts_with("DEP_HDF5_VERSION_") {
+            let version = key.trim_start_matches("DEP_HDF5_VERSION_").replace("_", ".");
+            println!("cargo::rustc-cfg=feature=\"{version}\"");
+        }
+    }
 }

hdf5-types/build.rs

@@ -7,6 +7,7 @@ use common::util::new_in_memory_file;
 #[cfg(feature = "1.12.1")]
 use hdf5::ObjectReference2;
 use hdf5::{H5Type, ObjectReference, ObjectReference1, ReferencedObject};
+use hdf5_metno as hdf5;
 
 fn test_group_references<R: ObjectReference>() {
     let file = new_in_memory_file().unwrap();