diff --git a/perl-Class-MethodMaker.changes b/perl-Class-MethodMaker.changes
index 8b9b53c..9c14571 100644
--- a/perl-Class-MethodMaker.changes
+++ b/perl-Class-MethodMaker.changes
@@ -1,3 +1,8 @@
+-------------------------------------------------------------------
+Sat Jul  8 19:58:13 UTC 2017 - bwiedemann@suse.com
+
+- Add reproducible.patch to sort hashes to fix build-compare
+
 -------------------------------------------------------------------
 Mon Apr 13 18:17:11 UTC 2015 - coolo@suse.com
 
diff --git a/perl-Class-MethodMaker.spec b/perl-Class-MethodMaker.spec
index 95c4dba..20205c7 100644
--- a/perl-Class-MethodMaker.spec
+++ b/perl-Class-MethodMaker.spec
@@ -25,6 +25,8 @@ License:        Artistic-1.0 or GPL-1.0+
 Group:          Development/Libraries/Perl
 Url:            http://search.cpan.org/dist/Class-MethodMaker/
 Source:         http://www.cpan.org/authors/id/S/SC/SCHWIGON/class-methodmaker/%{cpan_name}-%{version}.tar.gz
+# PATCH-FIX-UPSTREAM https://rt.cpan.org/Public/Bug/Display.html?id=122339
+Patch0:         reproducible.patch
 BuildRoot:      %{_tmppath}/%{name}-%{version}-build
 BuildRequires:  perl
 BuildRequires:  perl-macros
@@ -45,6 +47,7 @@ at least declare) your overriding method in a 'BEGIN' block.
 
 %prep
 %setup -q -n %{cpan_name}-%{version}
+%patch0 -p1
 find . -type f -print0 | xargs -0 chmod 644
 
 %build
diff --git a/reproducible.patch b/reproducible.patch
new file mode 100644
index 0000000..c3a2790
--- /dev/null
+++ b/reproducible.patch
@@ -0,0 +1,19 @@
+When building packages (e.g. for openSUSE Linux) in disposable VMs
+cmmg.pl outputs hash value content in undeterministic order
+This patch fixes this by sorting hash keys
+
+See https://reproducible-builds.org/ for why this matters.
+
+Index: Class-MethodMaker-2.24/lib/Class/MethodMaker/OptExt.pm
+===================================================================
+--- Class-MethodMaker-2.24.orig/lib/Class/MethodMaker/OptExt.pm
++++ Class-MethodMaker-2.24/lib/Class/MethodMaker/OptExt.pm
+@@ -357,7 +357,7 @@ sub encode {
+ 
+ # -------------------------------------
+ 
+-sub option_names { grep $_ ne 'DEFAULT', keys %{OPTEXT()} }
++sub option_names { grep $_ ne 'DEFAULT', sort keys %{OPTEXT()} }
+ 
+ sub optcode {
+   my $class = shift;