--- compiler-rt/CMakeLists.txt.orig	2023-12-18 09:25:09.288590000 -0500
+++ compiler-rt/CMakeLists.txt	2023-12-18 09:25:23.953941000 -0500
@@ -185,7 +185,7 @@
     set(${var}_LIBNAME "${CMAKE_MATCH_1}")
     set(${var}_SYSTEM 1)
   elseif (${var} STREQUAL "default")
-    if (APPLE OR CMAKE_SYSTEM_NAME MATCHES "FreeBSD")
+    if (APPLE OR CMAKE_SYSTEM_NAME MATCHES "FreeBSD|MidnightBSD")
       set(${var}_LIBNAME "libc++")
       set(${var}_SYSTEM 1)
     elseif (FUCHSIA)
