--- configure.orig	2025-10-29 19:30:23.081281000 -0400
+++ configure	2025-10-29 19:31:02.111349000 -0400
@@ -19759,7 +19759,7 @@
       BSD_TYPE="OSX"
       CPPFLAGS="$CPPFLAGS -DOS_BSD"
       ;;
-    *-freebsd*)
+    *-freebsd*|*-midnightbsd*)
 
 printf "%s\n" "#define OS_BSD 1" >>confdefs.h
 
