--- /dev/null
+++ dyld/dyld-1335/common/FunctionVariantsSystemWide.inc
@@ -0,0 +1,47 @@
+/*
+ * Copyright (c) 2024 Apple Inc. All rights reserved.
+ *
+ * @APPLE_LICENSE_HEADER_START@
+ *
+ * This file contains Original Code and/or Modifications of Original Code
+ * as defined in and that are subject to the Apple Public Source License
+ * Version 2.0 (the 'License'). You may not use this file except in
+ * compliance with the License. Please obtain a copy of the License at
+ * http://www.opensource.apple.com/apsl/ and read it before using this
+ * file.
+ *
+ * The Original Code and all software distributed under the License are
+ * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
+ * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
+ * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
+ * Please see the License for the specific language governing rights and
+ * limitations under the License.
+ *
+ * @APPLE_LICENSE_HEADER_END@
+ */
+
+
+// included by:
+//   ld to convert function variant names to keyIndexes
+//   dyld to drive which function to run to set keyIndex bool
+//
+// FUNCTION_VARIANT_SYSTEM_WIDE(_keyIndex, _name, _runtimeCheck)
+//
+
+
+//
+//  shared function variants (same for all processes)
+//
+FUNCTION_VARIANT_SYSTEM_WIDE(0, "default",           true)
+
+// These were added in Spring 2025
+FUNCTION_VARIANT_SYSTEM_WIDE(1, "internalInstall",   config.security.internalInstall)
+FUNCTION_VARIANT_SYSTEM_WIDE(2, "customerInstall",   !config.security.internalInstall)
+FUNCTION_VARIANT_SYSTEM_WIDE(3, "lockdown",           config.security.lockdownMode)
+
+// These were added in Fall 2025
+
+
+
+