diff --git a/Android.bp b/Android.bp
index 9aef25e..5d9e423 100644
--- a/Android.bp
+++ b/Android.bp
@@ -953,3 +953,55 @@
         },
     },
 }
+
+phony {
+    name: "selinux_policy_system_ext",
+    required: [
+        //"ifdef HAS_SYSTEM_EXT_PUBLIC_SEPOLICY" check included in system_ext_pub_policy.cil
+        "system_ext_mapping_file",
+        //"ifdef HAS_SYSTEM_EXT_SEPOLICY" check included in .cil
+        "system_ext_sepolicy.cil",
+    ] + [
+        //"ifdef HAS_SYSTEM_EXT_SEPOLICY" check included in .cil
+        "system_ext_29.0.cil",
+        "system_ext_30.0.cil",
+        "system_ext_31.0.cil",
+        "system_ext_32.0.cil",
+        "system_ext_33.0.cil",
+        "system_ext_34.0.cil",
+    ] + select(soong_config_variable("ANDROID", "PLATFORM_SEPOLICY_VERSION"), {
+        "202404": [],
+        default: [
+            "system_ext_202404.cil",
+        ],
+    }) +
+    select(soong_config_variable("ANDROID", "PRODUCT_PRECOMPILED_SEPOLICY"), {
+        true: ["system_ext_sepolicy_and_mapping.sha256"],
+        default: [],
+    }) + [
+        "system_ext_file_contexts",
+        "system_ext_file_contexts_test",
+        "system_ext_keystore2_key_contexts",
+        "system_ext_hwservice_contexts",
+        "system_ext_hwservice_contexts_test",
+        "system_ext_property_contexts",
+        "system_ext_property_contexts_test",
+        "system_ext_seapp_contexts",
+        "system_ext_service_contexts",
+        "system_ext_service_contexts_test",
+        "system_ext_mac_permissions.xml",
+        "system_ext_bug_map",
+        // $(addprefix system_ext_,$(addsuffix .compat.cil,$(PLATFORM_SEPOLICY_COMPAT_VERSIONS))) \
+        "system_ext_29.0.compat.cil",
+        "system_ext_30.0.compat.cil",
+        "system_ext_31.0.compat.cil",
+        "system_ext_32.0.compat.cil",
+        "system_ext_33.0.compat.cil",
+        "system_ext_34.0.compat.cil",
+    ] + select(soong_config_variable("ANDROID", "PLATFORM_SEPOLICY_VERSION"), {
+        "202404": [],
+        default: [
+            "system_ext_202404.compat.cil",
+        ],
+    }),
+}