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-rw-r--r--pkgs/development/compilers/llvm/13/libcxx/default.nix1
1 files changed, 1 insertions, 0 deletions
diff --git a/pkgs/development/compilers/llvm/13/libcxx/default.nix b/pkgs/development/compilers/llvm/13/libcxx/default.nix
index c44149904652..b39b4f37ff1c 100644
--- a/pkgs/development/compilers/llvm/13/libcxx/default.nix
+++ b/pkgs/development/compilers/llvm/13/libcxx/default.nix
@@ -20,6 +20,7 @@ let
   useLLVM = stdenv.hostPlatform.useLLVM or false;
 
   cxxabiCMakeFlags = lib.optionals (useLLVM && !stdenv.hostPlatform.isWasm) [
+    "-DLIBCXXABI_USE_COMPILER_RT=ON"
     "-DLIBCXXABI_USE_LLVM_UNWINDER=ON"
   ] ++ lib.optionals stdenv.hostPlatform.isWasm [
     "-DLIBCXXABI_ENABLE_THREADS=OFF"