From 6cd107ffadb0b8a12f5fd56048ece69dd6056f00 Mon Sep 17 00:00:00 2001
From: Roman Lebedev <lebedev.ri@gmail.com>
Date: Wed, 12 Mar 2025 15:29:36 +0300
Subject: [PATCH] CI: build libcxxabi against system unwind library

... because that is what the MSan is built against,
and mixing them clearly causes issues.
---
 .github/libcxx-setup.sh | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/.github/libcxx-setup.sh b/.github/libcxx-setup.sh
index eacc9827..1bd972fb 100755
--- a/.github/libcxx-setup.sh
+++ b/.github/libcxx-setup.sh
@@ -19,8 +19,9 @@ cmake -DCMAKE_C_COMPILER=${CC}                  \
       -DLIBCXX_ABI_UNSTABLE=OFF                 \
       -DLLVM_USE_SANITIZER=${LIBCXX_SANITIZER}  \
       -DLLVM_BUILD_32_BITS=${BUILD_32_BITS}     \
-      -DLLVM_ENABLE_RUNTIMES='libcxx;libcxxabi;libunwind' \
+      -DLIBCXXABI_USE_LLVM_UNWINDER=OFF         \
+      -DLLVM_ENABLE_RUNTIMES='libcxx;libcxxabi' \
       -G "Unix Makefiles" \
       ../llvm-project/runtimes/
-make -j cxx cxxabi unwind
+make -j cxx cxxabi
 cd ..