diff -Nru doxygen-1.8.11/debian/changelog doxygen-1.8.11/debian/changelog
--- doxygen-1.8.11/debian/changelog	2016-02-07 17:54:22.000000000 +0100
+++ doxygen-1.8.11/debian/changelog	2016-06-15 14:26:34.000000000 +0200
@@ -1,3 +1,15 @@
+doxygen (1.8.11-2~ubuntu1) xenial-proposed; urgency=medium
+
+  * SRU: LP: #1592796.
+
+ -- Matthias Klose <doko@ubuntu.com>  Wed, 15 Jun 2016 14:21:41 +0200
+
+doxygen (1.8.11-2) unstable; urgency=medium
+
+  * Fix python version number extraction for python release candidate builds.
+
+ -- Matthias Klose <doko@debian.org>  Wed, 15 Jun 2016 08:44:59 +0200
+
 doxygen (1.8.11-1) unstable; urgency=medium
 
   * Upload to unstable.
diff -Nru doxygen-1.8.11/debian/control doxygen-1.8.11/debian/control
--- doxygen-1.8.11/debian/control	2016-01-01 20:13:41.000000000 +0100
+++ doxygen-1.8.11/debian/control	2016-06-15 08:35:38.000000000 +0200
@@ -23,7 +23,7 @@
   graphviz,
   latex-xcolor,
   rdfind
-Standards-Version: 3.9.6
+Standards-Version: 3.9.8
 Homepage: http://www.stack.nl/~dimitri/doxygen/
 XS-Testsuite: autopkgtest
 
diff -Nru doxygen-1.8.11/debian/patches/pyversion.diff doxygen-1.8.11/debian/patches/pyversion.diff
--- doxygen-1.8.11/debian/patches/pyversion.diff	2016-01-15 15:03:57.000000000 +0100
+++ doxygen-1.8.11/debian/patches/pyversion.diff	2016-06-15 09:34:39.000000000 +0200
@@ -7,7 +7,7 @@
      '''
  
 -    major, minor, patch = (int(e) for e in platform.python_version_tuple())
-+    major, minor, patch = (int(e.strip('+')) for e in platform.python_version_tuple())
++    major, minor, patch = sys.version_info[:3]
      if major == 2:
          return open(fname, mode=mode) # Python 2 without encoding
      else:
@@ -16,7 +16,7 @@
  
      # The Python 2.6+ or 3.3+ is required.
 -    major, minor, patch = (int(e) for e in platform.python_version_tuple())
-+    major, minor, patch = (int(e.strip('+')) for e in platform.python_version_tuple())
++    major, minor, patch = sys.version_info[:3]
      if (major == 2 and minor < 6) or (major == 3 and minor < 0):
          print('Python 2.6+ or Python 3.0+ are required for the script')
          sys.exit(1)