diff -Nru poa-2.0+20060928/debian/changelog poa-2.0+20060928/debian/changelog
--- poa-2.0+20060928/debian/changelog	2017-07-21 01:04:02.000000000 +0000
+++ poa-2.0+20060928/debian/changelog	2017-09-14 07:50:18.000000000 +0000
@@ -1,3 +1,16 @@
+poa (2.0+20060928-6) unstable; urgency=medium
+
+  [ Helmut Grohne ]
+  * Fix FTCBFS: (Closes: #864558)
+    + Let dh_auto_build pass cross compilers.
+    + Honour DEB_BUILD_OPTIONS=nocheck.
+
+  [ Andreas Tille ]
+  * Standards-Version: 4.1.0
+  * Fix propagation of hardening options
+
+ -- Andreas Tille <tille@debian.org>  Thu, 14 Sep 2017 09:50:18 +0200
+
 poa (2.0+20060928-5) unstable; urgency=medium
 
   * Team upload.
diff -Nru poa-2.0+20060928/debian/control poa-2.0+20060928/debian/control
--- poa-2.0+20060928/debian/control	2017-07-21 01:04:02.000000000 +0000
+++ poa-2.0+20060928/debian/control	2017-09-14 07:50:18.000000000 +0000
@@ -5,7 +5,7 @@
 Section: science
 Priority: optional
 Build-Depends: debhelper (>= 10)
-Standards-Version: 4.0.0
+Standards-Version: 4.1.0
 Vcs-Browser: https://anonscm.debian.org/cgit/debian-med/poa.git
 Vcs-Git: https://anonscm.debian.org/git/debian-med/poa.git
 Homepage: http://poamsa.sourceforge.net/
diff -Nru poa-2.0+20060928/debian/patches/hardening.patch poa-2.0+20060928/debian/patches/hardening.patch
--- poa-2.0+20060928/debian/patches/hardening.patch	2017-07-21 01:04:02.000000000 +0000
+++ poa-2.0+20060928/debian/patches/hardening.patch	2017-09-14 07:50:18.000000000 +0000
@@ -1,10 +1,19 @@
 Description: propagate hardening options
 Author: Andreas Tille <tille@debian.org>
-Last-Update: Mon, 11 Jan 2016 12:48:42 +0100
+Last-Update: Thu, 14 Sep 2017 09:50:18 +0200
 
 
 --- a/Makefile
 +++ b/Makefile
+@@ -28,7 +28,7 @@ LIBOBJECTS= \
+ 
+ CC = gcc
+ #CFLAGS= -g -ansi-strict -W -Wall -DUSE_WEIGHTED_LINKS -DUSE_PROJECT_HEADER -I.
+-CFLAGS= -g -DUSE_WEIGHTED_LINKS -DUSE_PROJECT_HEADER -I.
++CFLAGS+= -g -DUSE_WEIGHTED_LINKS -DUSE_PROJECT_HEADER -I.
+ # -I$(HOME)/lib/include
+ # -DREPORT_MAX_ALLOC
+ 
 @@ -44,7 +44,7 @@ liblpo.a: $(LIBOBJECTS)
  
  # NB: LIBRARY MUST FOLLOW OBJECTS OR LINK FAILS WITH UNRESOLVED REFERENCES!!
diff -Nru poa-2.0+20060928/debian/rules poa-2.0+20060928/debian/rules
--- poa-2.0+20060928/debian/rules	2017-07-21 01:04:02.000000000 +0000
+++ poa-2.0+20060928/debian/rules	2017-09-14 07:50:18.000000000 +0000
@@ -16,8 +16,9 @@
 	$(XP) $(DB2MAN) $<
 
 override_dh_auto_build:
-	$(MAKE) poa
+	dh_auto_build -- poa
 
+ifeq ($(filter nocheck,$(DEB_BUILD_OPTIONS)),)
 override_dh_auto_test:
 	tmpfile=`mktemp` ; \
 	./$(DEB_SOURCE) -read_fasta multidom.seq -clustal $$tmpfile -v blosum80.mat ; \
@@ -29,3 +30,4 @@
 	    echo "File $$tmpfile is different from $(CURDIR)/multidom.clustal" ; \
 	    exit 1 ; \
 	fi
+endif