uConsole: remove clamav (cross-compile failure — cmake try_run + Rust proc-macro linker)

flake.nix

@@ -116,6 +116,12 @@
 #   during codegen (preload_nlua.lua). No clean override option.
 #   Fix: remove from system packages + install via native build
 #   once uConsole is set up as remote builder.
+#
+# clamav:
+#   cmake try_run() + Rust proc-macro can't find native linker in
+#   cross-compile (cc crate uses cross CC, no cc in PATH for build
+#   scripts). Chain: clamav → system-path → etc → dbus → polkit.
+#   Fix: remove from system packages; clamscan available from server.
 
 #
 # ==== Remote builder setup (bidirectional) — TODO ====
@@ -184,21 +190,7 @@
             (x: x?pname && x.pname != "perl-ldap")
             (old.propagatedBuildInputs or []);
         });
-        # clamav try_run fails cross-compile (cmake modules all use the same
-        # generic `test_run_result` cache variable name for FD passing, uname
-        # POSIX, struct packing, and signed right-shift checks).
-        # On aarch64 Linux (glibc + GCC) all four return 0, so pre-set it.
-        clamav = prev.clamav.overrideAttrs (old: {
-          cmakeFlags = (old.cmakeFlags or []) ++ [
-            "-Dtest_run_result=0"
-            "-Dtest_run_result__TRYRUN_OUTPUT="
-          ];
-          # Give cargo access to a native C compiler for Rust build script
-          # compilations (proc-macros run on the BUILD host, not the target).
-          nativeBuildInputs = (old.nativeBuildInputs or []) ++ [
-            prev.buildPackages.gcc
-          ];
-        });
+        # clamav: removed from system packages (see note above).
       };
 
       uconsoleRpiPipewireOverlay = final: prev: {