--- doc/Makefile.orig	2009-05-15 15:58:05.000000000 +0200
+++ doc/Makefile	2009-05-15 15:58:18.000000000 +0200
@@ -25,9 +25,10 @@
 
 .NOTPARALLEL:
 
-ifneq ($(wildcard $(srcdir)/postgres.tar.gz),)
-found_html = yes
-endif
+# FreeBSD has a separate port for installing the documentation
+#ifneq ($(wildcard $(srcdir)/postgres.tar.gz),)
+#found_html = yes
+#endif
 
 ifneq ($(wildcard $(srcdir)/man.tar.gz),)
 # SCO OpenServer's man system is sufficiently different to not bother.