diff --git a/doxygen-latex-makeindex.patch b/doxygen-latex-makeindex.patch
new file mode 100644
index 0000000..330c8e6
--- /dev/null
+++ b/doxygen-latex-makeindex.patch
@@ -0,0 +1,13 @@
+Index: doxygen-1.8.15/src/config.xml
+===================================================================
+--- doxygen-1.8.15.orig/src/config.xml	2018-12-27 19:05:37.000000000 +0100
++++ doxygen-1.8.15/src/config.xml	2019-01-07 13:11:07.980751501 +0100
+@@ -2594,7 +2594,7 @@ EXTRA_SEARCH_MAPPINGS = tagname1=loc1 ta
+ ]]>
+       </docs>
+     </option>
+-    <option type='string' id='LATEX_MAKEINDEX_CMD' defval='\makeindex' depends='GENERATE_LATEX'>
++    <option type='string' id='LATEX_MAKEINDEX_CMD' defval='makeindex' depends='GENERATE_LATEX'>
+       <docs>
+ <![CDATA[
+  The \c LATEX_MAKEINDEX_CMD tag can be used to specify the command name to
diff --git a/doxygen.changes b/doxygen.changes
index 62a2909..ef49c8b 100644
--- a/doxygen.changes
+++ b/doxygen.changes
@@ -1,3 +1,9 @@
+-------------------------------------------------------------------
+Mon Jan  7 14:45:46 UTC 2019 - Petr Gajdos <pgajdos@suse.com>
+
+- add doxygen-latex-makeindex.patch to fix build of libssh and
+  cmocka [https://github.com/doxygen/doxygen/issues/6725]
+
 -------------------------------------------------------------------
 Mon Dec 31 08:45:19 UTC 2018 - Petr Gajdos <pgajdos@suse.com>
 
diff --git a/doxygen.spec b/doxygen.spec
index d6cf7c8..0d00cdf 100644
--- a/doxygen.spec
+++ b/doxygen.spec
@@ -33,7 +33,8 @@ Patch1:         %{name}-no-lowercase-man-names.patch
 Patch3:         vhdlparser-no-return.patch
 # suse specific, for ppc64le ppc64, workaround for bnc#921577
 Patch4:         doxygen-dot-one-thread.patch
-# Submitted upstream, fix for https://bugzilla.gnome.org/show_bug.cgi?id=777672
+# https://github.com/doxygen/doxygen/issues/6725
+Patch5:         doxygen-latex-makeindex.patch
 BuildRequires:  bison
 BuildRequires:  cmake >= 2.8.12
 BuildRequires:  flex
@@ -60,6 +61,7 @@ as well.
 %ifarch ppc64le ppc64
 %patch4 -p1
 %endif
+%patch5 -p1
 
 %build
 %cmake \