Set NOSV_HOME for clang wrapped with nodes

This is needed since nosv must appear as a 1rst level dependency on the
final executable. Clang will add the dependency as long as it knows
where to find nosv (and nodes is used).

Reviewed-By: Rodrigo Arias Mallo <rodrigo.arias@bsc.es>

pkgs/llvm-ompss2/default.nix

@@ -46,5 +46,8 @@ in wrapCCWith {
   '' + lib.optionalString (ompss2rt != null) ''
     echo "export OMPSS2_RUNTIME=${rtname}" >> $out/nix-support/cc-wrapper-hook
     echo "export ${homevar}=${ompss2rt}"   >> $out/nix-support/cc-wrapper-hook
+  '' + lib.optionalString (ompss2rt != null && ompss2rt.pname == "nodes") ''
+    echo "export NOSV_HOME=${ompss2rt.nosv}" >> $out/nix-support/cc-wrapper-hook
   '';
 }
+

pkgs/nodes/default.nix

@@ -84,4 +84,8 @@ in
       nosv
       ovni
     ];
+
+    passthru = {
+      nosv = nosv;
+    };
   }