--- seamonkey-2.46/mozilla/build/moz.configure/old.configure.extra-options	2017-01-23 07:14:41.320703665 +0100
+++ seamonkey-2.46/mozilla/build/moz.configure/old.configure	2017-01-23 09:09:48.582520706 +0100
@@ -270,6 +270,7 @@
     '--enable-zipwriter',
     '--includedir',
     '--libdir',
+    '--mandir',
     '--no-create',
     '--prefix',
     '--with-adjust-sdk-keyfile',