debian/changelog

+libmems (1.6.0+4725-8) unstable; urgency=medium
+
+  * Do not provide packages with different files
+    Closes: #907417
+  * Standards-Version: 4.2.1
+
+ -- Andreas Tille <tille@debian.org>  Mon, 27 Aug 2018 21:38:53 +0200
+
 libmems (1.6.0+4725-7) unstable; urgency=medium
 
   * Make sure all header files will be installed in the right dir

debian/control

@@ -11,7 +11,7 @@ Build-Depends: debhelper (>= 11~),
                libboost-iostreams-dev,
                libboost-program-options-dev,
                libmuscle-dev
-Standards-Version: 4.1.5
+Standards-Version: 4.2.1
 Vcs-Browser: https://salsa.debian.org/med-team/libmems
 Vcs-Git: https://salsa.debian.org/med-team/libmems.git
 Homepage: http://sourceforge.net/p/mauve/code/HEAD/tree/libMems/trunk/
@@ -45,8 +45,6 @@ Depends: ${shlibs:Depends},
 Pre-Depends: ${misc:Pre-Depends}
 Conflicts: libmems-1.6-1,
            libmems-1.6-1v5
-Provides: libmems-1.6-1,
-          libmems-1.6-1v5
 Replaces: libmems-1.6-1,
           libmems-1.6-1v5
 Description: library to support DNA string matching and comparative genomics