1--- cmake/ranges_env.cmake.orig	2022-11-07 17:22:22 UTC
2+++ cmake/ranges_env.cmake
3@@ -46,6 +46,11 @@ elseif(CMAKE_SYSTEM_NAME MATCHES "Windows")
4   if (RANGES_VERBOSE_BUILD)
5     message(STATUS "[range-v3]: system is Windows.")
6   endif()
7+elseif(CMAKE_SYSTEM_NAME MATCHES "FreeBSD")
8+  set (RANGES_ENV_FREEBSD TRUE)
9+  if (RANGES_VERBOSE_BUILD)
10+    message(STATUS "[range-v3]: system is FreeBSD.")
11+  endif()
12 elseif(CMAKE_SYSTEM_NAME MATCHES "OpenBSD")
13   set (RANGES_ENV_OPENBSD TRUE)
14   if (RANGES_VERBOSE_BUILD)
15