--- hinotify.cabal.orig	2015-08-08 07:35:44 UTC
+++ hinotify.cabal
@@ -32,6 +32,9 @@ library
     includes: sys/inotify.h
     hs-source-dirs: src
 
+    if os(freebsd)
+      extra-libraries: inotify
+
 test-suite test001
     type: exitcode-stdio-1.0
     build-depends: base, directory, hinotify