diff -ur samba-4.0.3/source3/modules/wscript_build samba-4.0.3-fam/source3/modules/wscript_build
--- samba-4.0.3/source3/modules/wscript_build	2012-11-13 09:03:38.000000000 +0100
+++ samba-4.0.3-fam/source3/modules/wscript_build	2013-03-05 12:34:36.152060557 +0100
@@ -321,6 +321,7 @@
 bld.SAMBA3_MODULE('vfs_notify_fam',
                  subsystem='vfs',
                  source=VFS_NOTIFY_FAM_SRC,
+                 deps='fam',
                  init_function='',
                  internal_module=bld.SAMBA3_IS_STATIC_MODULE('vfs_notify_fam'),
                  enabled=bld.SAMBA3_IS_ENABLED_MODULE('vfs_notify_fam'))
diff -ur samba-4.0.3/source3/wscript samba-4.0.3-fam/source3/wscript
--- samba-4.0.3/source3/wscript	2013-02-05 13:25:26.000000000 +0100
+++ samba-4.0.3-fam/source3/wscript	2013-03-05 13:04:20.084360657 +0100
@@ -870,6 +870,12 @@
 
     seteuid = False
 
+    conf.CHECK_HEADERS('fam.h')
+    if not conf.CONFIG_SET('HAVE_FAM_H'):
+        Logs.warn("fam.h not found")
+    if conf.CHECK_FUNCS_IN('FAMClose', 'fam'):
+        conf.DEFINE('HAVE_FAM', 1)
+
 #
 # Ensure we select the correct set of system calls on Linux.
 #
@@ -1742,6 +1748,9 @@
     if conf.CONFIG_SET('HAVE_GPFS'):
 	default_shared_modules.extend(TO_LIST('vfs_gpfs'))
 
+    if conf.CONFIG_SET('HAVE_FAM'):
+	default_shared_modules.extend(TO_LIST('vfs_notify_fam'))
+
     explicit_shared_modules = TO_LIST(Options.options.shared_modules, delimiter=',')
     explicit_static_modules = TO_LIST(Options.options.static_modules, delimiter=',')