diff --git a/nixpatches/list.nix b/nixpatches/list.nix
index d61456b5..d3d5b4da 100644
--- a/nixpatches/list.nix
+++ b/nixpatches/list.nix
@@ -26,6 +26,11 @@ let
       // (if title != null then { name = title; } else {})
     ) else null;
 in [
+  (fetchpatch' {
+    saneCommit = "20c9492d303be7cbad560e3d83bc47ab4b1e93f7";
+    title = "procmail: support cross compilation";
+    hash = "sha256-cC9GBF5tCeJ2GDSjMjlG4hYStIJPEoRBAK9/KhJiiIo=";
+  })
   (fetchpatch' {
     # fixes build on moby by avoiding broken `lockfileProgs`
     prUrl = "https://github.com/NixOS/nixpkgs/pull/286533";
@@ -33,13 +38,6 @@ in [
     hash = "sha256-IAt07OSGaX8QHaOzlmYFTZJpvmXjYFA6/IFPsMzQVW8=";
     merged.staging = "202402061152";
   })
-  (fetchpatch' {
-    # fixes resholve/xdg-utils build on moby
-    # probably not actually necessary (but removing this now will trigger a large rebuild)
-    prUrl = "https://github.com/NixOS/nixpkgs/pull/287755";
-    title = "Remove rebuild-avoiding conditionals in resholve musl fixes";
-    hash = "sha256-hKuwLyw81wiHTuc9EyqEWCt9GvbGYdEfP1OP+KYvYJw=";
-  })
   (fetchpatch' {
     prUrl = "https://github.com/NixOS/nixpkgs/pull/280925";
     title = "j4-dmenu-desktop: pin to gcc12";  # 2024/01/14: fix build
diff --git a/overlays/cross.nix b/overlays/cross.nix
index 3af3b26f..986c20c9 100644
--- a/overlays/cross.nix
+++ b/overlays/cross.nix
@@ -2302,16 +2302,11 @@ in with final; {
   # 2023/07/30: upstreaming is blocked on unar (gnustep), unless i also make that optional
   xarchiver = mvToNativeInputs [ libxslt ] prev.xarchiver;
 
-  # used by xdg-utils/resholve; can probably be folded or removed entirely, by simply using `buildPackages.resholve`
-  binlore = prev.binlore.override {
-    inherit (buildPackages) yallback yara;
-  };
   xdg-utils = let
     buildResholve = buildPackages.resholve.overrideAttrs (resholve': {
       meta = (resholve'.meta or { }) // { knownVulnerabilities = [ ]; };
     });
   in (prev.xdg-utils.override {
-    procmail = emptyDirectory;  #< does not cross compile, but only used by xdg-screensaver
     resholve = buildResholve;
   }).overrideAttrs (xdg-utils': let
       patchedResholve = buildResholve.overrideAttrs (resholve': {
@@ -2328,14 +2323,16 @@ in with final; {
       # '';
 
       # have to patch all `resholve` invocations AGAIN because even though `buildPackages.resholve` is the right architecture now,
-      preFixup = lib.replaceStrings [
-          "${buildResholve}/bin/resholve --overwrite bin/xdg-screensaver"  #< fails to resholve when optional `procmail` dep isn't available
-          "${buildResholve}/bin/resholve"
-        ] [
-          "${patchedResholve}/bin/resholve --version"
-          "${patchedResholve}/bin/resholve"
-        ]
-        xdg-utils'.preFixup;
+      # the `resholve` passthru args refer to itself, in a way which `overrideAttrs` can't patch.
+      # also, xdg-screensaver resholve fails because `perl -e` is treated differently on native v.s. cross,
+      # so "fake" it as external and then manually patch it (resholve has a better way to do that, but not easily patchable from here).
+      preFixup = (lib.replaceStrings
+        [ "${buildResholve}/bin/resholve" "RESHOLVE_FAKE='external:" ]
+        [ "${patchedResholve}/bin/resholve" "RESHOLVE_FAKE='external:perl;" ]
+        xdg-utils'.preFixup) + ''
+        substituteInPlace $out/bin/xdg-screensaver \
+          --replace-fail '  perl -e' '  ${perl}/bin/perl -e'
+      '';
     }
   );
 }