--- templates/config.hpp.in.orig	2022-06-19 17:02:21 UTC
+++ templates/config.hpp.in
@@ -23,6 +23,7 @@
 #define D_PLATFORM_OS "@D_PLATFORM_OS@"
 #cmakedefine D_PLATFORM_WINDOWS
 #cmakedefine D_PLATFORM_LINUX
+#cmakedefine D_PLATFORM_FREEBSD
 #cmakedefine D_PLATFORM_MAC
 #cmakedefine D_PLATFORM_UNKNOWN