Fix prrte cross compilation

overlay.nix

@@ -47,6 +47,16 @@ let
     tagaspi = callPackage ./pkgs/tagaspi/default.nix { };
     tampi = callPackage ./pkgs/tampi/default.nix { };
     wxparaver = callPackage ./pkgs/paraver/default.nix { };
+
+    # Fix for RISC-V cross compilation
+    # TODO: remove once we update to 25.11
+    # https://github.com/NixOS/nixpkgs/commit/d9c222c81435b
+    prrte = prev.prrte.overrideAttrs (prevAttrs: {
+      configureFlags = (prevAttrs.configureFlags or []) ++ [
+        "--with-pmix=${prev.lib.getDev final.pmix}"
+        "--with-pmix-libdir=${prev.lib.getLib final.pmix}/lib"
+      ];
+    });
   };
 
 in bscPkgs // {