debian/changelog

+gwyddion (2.50-2) unstable; urgency=medium
+
+  * Make sure package can be build in Architecture=all only builds
+    Closes: #894160
+
+ -- Andreas Tille <tille@debian.org>  Tue, 27 Mar 2018 09:32:17 +0200
+
 gwyddion (2.50-1) unstable; urgency=medium
 
   * New upstream version

debian/rules

@@ -22,7 +22,9 @@ override_dh_install:
 	dh_install
 	find debian -name "*.la" -o -name "*.pyc" -o -name "*.pyo" | xargs -r rm -f
 	chrpath -d debian/tmp/usr/bin/gwyddion*
-	mv debian/libgwyddion20-dev/usr/lib/*/$(DEB_SOURCE)/include/* debian/libgwyddion20-dev/usr/include/$(DEB_SOURCE)
+	if [ -d debian/libgwyddion20-dev/usr/lib/*/$(DEB_SOURCE)/include/ ] ; then \
+	    mv debian/libgwyddion20-dev/usr/lib/*/$(DEB_SOURCE)/include/* debian/libgwyddion20-dev/usr/include/$(DEB_SOURCE) ; \
+	fi
 	rm -rf debian/libgwyddion20-dev/usr/lib/*/$(DEB_SOURCE)
 
 override_dh_installchangelogs:

debian/upstream/metadata

 Name: Gwyddion
-Homepage: http://gwyddion.net/
 Reference:
   Author: Nečas, David and Klapetek, Petr
   Title: "Gwyddion: an open-source software for SPM data analysis"