https://bugs.gentoo.org/982993
https://github.com/libunwind/libunwind/commit/8e6a348b94a1b8e77ec2a086ff27ea9b78357d71

From 8e6a348b94a1b8e77ec2a086ff27ea9b78357d71 Mon Sep 17 00:00:00 2001
From: Matt Turner <mattst88@gmail.com>
Date: Sat, 25 Apr 2026 10:14:20 -0400
Subject: [PATCH] configure: Fix -WCClinker typo; should be -XCClinker

Fixes: 5f46ba49 ("Made -nostdlib depend on exception support")
---
 configure.ac | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/configure.ac b/configure.ac
index e5907a0b9..36d21f24a 100644
--- a/configure.ac
+++ b/configure.ac
@@ -302,7 +302,7 @@ AM_COND_IF([SUPPORT_CXX_EXCEPTIONS],
                            [gcc_s gcc],
                            [AS_IF([test "$ac_cv_search__Unwind_Resume" != "none required"],
                                   [AC_SUBST([UNW_CRT_LIBADD],  ["-lc $ac_cv_search__Unwind_Resume"])
-                                   AC_SUBST([UNW_CRT_LDFLAGS], ["-WCClinker -nostdlib"])])
+                                   AC_SUBST([UNW_CRT_LDFLAGS], ["-XCClinker -nostdlib"])])
                            ],,
                            [-lc])
             LDFLAGS="$save_LDFLAGS"]

