--- llbuild/lib/llvm/Support/CMakeLists.txt.orig	2024-01-09 06:44:05 UTC
+++ llbuild/lib/llvm/Support/CMakeLists.txt
@@ -59,7 +59,7 @@
   Threads::Threads
   ${CMAKE_DL_LIBS})
 
-if(${CMAKE_SYSTEM_NAME} MATCHES "FreeBSD")
+if(${CMAKE_SYSTEM_NAME} MATCHES "FreeBSD|MidnightBSD")
   target_link_libraries(llvmSupport PRIVATE
     execinfo)
 endif()
