--- Source/bmalloc/CMakeLists.txt.orig	2020-08-12 19:17:57.000000000 +1000
+++ Source/bmalloc/CMakeLists.txt	2020-10-18 14:16:36.000000000 +1100
@@ -145,6 +145,15 @@
     ${CMAKE_DL_LIBS}
 )
 
+if (CMAKE_SYSTEM_NAME MATCHES "BSDSUniX")
+    list(APPEND bmalloc_LIBRARIES sysinfo)
+endif ()
+
+if (CMAKE_SYSTEM_NAME MATCHES "FreeBSD" AND CMAKE_HOST_SYSTEM_VERSION MATCHES "9.3")
+    list(APPEND bmalloc_LIBRARIES sysinfo)
+endif ()
+
+
 set(bmalloc_INTERFACE_LIBRARIES bmalloc)
 set(bmalloc_INTERFACE_INCLUDE_DIRECTORIES ${bmalloc_FRAMEWORK_HEADERS_DIR})
 set(bmalloc_INTERFACE_DEPENDENCIES bmalloc_CopyHeaders)