--- buildtools/third_party/libc++abi/BUILD.gn.orig	2026-09-25 15:26:43 UTC
+++ buildtools/third_party/libc++abi/BUILD.gn
@@ -59,7 +59,7 @@ target(libcxxabi_target_type, "libc++abi") {
 
   defines = [ "LIBCXXABI_SILENT_TERMINATE" ]
 
-  if (is_linux || is_android) {
+  if ((is_linux || is_android) && !is_freebsd) {
     defines += [ "_LIBCXXABI_USE_FUTEX" ]
   }