diff -rupN tiff-4.0.6/Makefile.am tiff-new/Makefile.am
--- tiff-4.0.6/Makefile.am	2015-09-06 21:30:46.179705536 +0200
+++ tiff-new/Makefile.am	2016-04-05 14:26:09.539194844 +0200
@@ -25,7 +25,7 @@
 
 docdir = $(LIBTIFF_DOCDIR)
 
-AUTOMAKE_OPTIONS = 1.12 dist-zip foreign
+AUTOMAKE_OPTIONS = dist-zip foreign
 ACLOCAL_AMFLAGS = -I m4
 
 docfiles = \
@@ -61,7 +61,7 @@ distcheck-hook:
 	rm -rf $(distdir)/_build/cmake
 	rm -rf $(distdir)/_inst/cmake
 
-SUBDIRS = port libtiff tools build contrib test man html
+SUBDIRS = port libtiff tools build contrib
 
 release:
 	(rm -f $(top_srcdir)/RELEASE-DATE && echo $(LIBTIFF_RELEASE_DATE) > $(top_srcdir)/RELEASE-DATE)
diff -rupN tiff-4.0.6/test/Makefile.am tiff-new/test/Makefile.am
--- tiff-4.0.6/test/Makefile.am	2015-09-01 04:41:07.598381354 +0200
+++ tiff-new/test/Makefile.am	2016-04-05 14:26:39.763453075 +0200
@@ -23,7 +23,7 @@
 
 # Process this file with automake to produce Makefile.in.
 
-AUTOMAKE_OPTIONS = 1.12 color-tests parallel-tests foreign
+AUTOMAKE_OPTIONS = color-tests parallel-tests foreign
 
 LIBTIFF = $(top_builddir)/libtiff/libtiff.la