From 55d0a45d514497b1e4db725d79ddc5881c28b618 Mon Sep 17 00:00:00 2001
From: LIU Hao <lh_mouse@126.com>
Date: Thu, 12 Dec 2024 15:39:17 +0800
Subject: [PATCH] xglobals: Preserve special variables when LTO is enabled

---
 mcfgthread/xglobals.c | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/mcfgthread/xglobals.c b/mcfgthread/xglobals.c
index 4c0312e02..2f99a5f74 100644
--- a/mcfgthread/xglobals.c
+++ b/mcfgthread/xglobals.c
@@ -366,7 +366,8 @@ extern const PVOID __safe_se_handler_table[];
 extern const ULONG __safe_se_handler_count;
 #  endif
 
-IMAGE_LOAD_CONFIG_DIRECTORY _load_config_used =
+__attribute__((__used__))
+const IMAGE_LOAD_CONFIG_DIRECTORY _load_config_used =
   {
     .Size = sizeof(IMAGE_LOAD_CONFIG_DIRECTORY),
 #  if defined __i386__ && defined _MSC_VER
@@ -376,7 +377,8 @@ IMAGE_LOAD_CONFIG_DIRECTORY _load_config_used =
   };
 
 #  if defined _MSC_VER
-int _fltused = 0x9875;  /* dunno what it does but LINK complains.  */
+__attribute__((__used__))
+const int _fltused = 0x9875;  /* dunno what it does but LINK complains.  */
 #  endif
 
 #else  /* __MCF_IN_DLL  */