$OpenBSD: patch-doc_Makefile_in,v 1.1 2015/01/09 21:04:02 bluhm Exp $
--- doc/Makefile.in.orig	Thu Aug  5 11:39:55 2010
+++ doc/Makefile.in	Fri Dec 26 22:53:16 2014
@@ -521,3 +521,9 @@ uninstall-am:
 # Tell versions [3.59,3.63) of GNU make to not export all variables.
 # Otherwise a system limit (for SysV at least) may be exceeded.
 .NOEXPORT:
+
+install-data-am:
+	mkdir "$(DESTDIR)$(htmldir)"
+.for f in $(html_files) $(grfx_files)
+	$(INSTALL_DATA) $f "$(DESTDIR)$(htmldir)"
+.endfor
