diff --git a/pkgs/development/compilers/llvm/12/libcxx/default.nix b/pkgs/development/compilers/llvm/12/libcxx/default.nix
index 7ed4b2e94242a..7c6174711456c 100644
--- a/pkgs/development/compilers/llvm/12/libcxx/default.nix
+++ b/pkgs/development/compilers/llvm/12/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"
diff --git a/pkgs/development/compilers/llvm/13/libcxx/default.nix b/pkgs/development/compilers/llvm/13/libcxx/default.nix
index c44149904652a..b39b4f37ff1c9 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"
diff --git a/pkgs/development/compilers/llvm/14/libcxx/default.nix b/pkgs/development/compilers/llvm/14/libcxx/default.nix
index 3234b2814379c..79eeadb1c5931 100644
--- a/pkgs/development/compilers/llvm/14/libcxx/default.nix
+++ b/pkgs/development/compilers/llvm/14/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"
diff --git a/pkgs/development/compilers/llvm/15/libcxx/default.nix b/pkgs/development/compilers/llvm/15/libcxx/default.nix
index ea9f05704b340..89181bcbdbbf2 100644
--- a/pkgs/development/compilers/llvm/15/libcxx/default.nix
+++ b/pkgs/development/compilers/llvm/15/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"
diff --git a/pkgs/development/compilers/llvm/16/libcxx/default.nix b/pkgs/development/compilers/llvm/16/libcxx/default.nix
index 796eefec2d7bb..146424113ec4e 100644
--- a/pkgs/development/compilers/llvm/16/libcxx/default.nix
+++ b/pkgs/development/compilers/llvm/16/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"
diff --git a/pkgs/development/compilers/llvm/17/libcxx/default.nix b/pkgs/development/compilers/llvm/17/libcxx/default.nix
index 29c5dc696bf49..9ee4fd180d4b6 100644
--- a/pkgs/development/compilers/llvm/17/libcxx/default.nix
+++ b/pkgs/development/compilers/llvm/17/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"
diff --git a/pkgs/development/compilers/llvm/git/libcxx/default.nix b/pkgs/development/compilers/llvm/git/libcxx/default.nix
index a865c27f4845c..4e3404dbe1945 100644
--- a/pkgs/development/compilers/llvm/git/libcxx/default.nix
+++ b/pkgs/development/compilers/llvm/git/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 (lib.versionAtLeast version "18" && !(useLLVM && !stdenv.hostPlatform.isWasm)) [
     "-DLIBCXXABI_USE_LLVM_UNWINDER=OFF"