diff --git a/re2c-nogenerationdatedefault.patch b/re2c-nogenerationdatedefault.patch
new file mode 100644
index 0000000..3a7fad5
--- /dev/null
+++ b/re2c-nogenerationdatedefault.patch
@@ -0,0 +1,11 @@
+--- re2c-0.13.7.5.orig/main.cc
++++ re2c-0.13.7.5/main.cc
+@@ -35,7 +35,7 @@ bool rFlag = false;
+ bool sFlag = false;
+ bool tFlag = false;
+ 
+-bool bNoGenerationDate = false;
++bool bNoGenerationDate = true;
+ 
+ bool bSinglePass = false;
+ bool bFirstPass  = true;
diff --git a/re2c.changes b/re2c.changes
index 606cdd1..45bcfb4 100644
--- a/re2c.changes
+++ b/re2c.changes
@@ -1,3 +1,9 @@
+-------------------------------------------------------------------
+Tue Feb  3 11:35:34 UTC 2015 - crrodriguez@opensuse.org
+
+- re2c-nogenerationdatedefault.patch: Default to 
+  --no-generation-date to avoid build-compare problems [BNC#915937]
+
 -------------------------------------------------------------------
 Thu Dec 11 23:03:37 UTC 2014 - crrodriguez@opensuse.org
 
diff --git a/re2c.spec b/re2c.spec
index 0a52069..05cc780 100644
--- a/re2c.spec
+++ b/re2c.spec
@@ -1,7 +1,7 @@
 #
 # spec file for package re2c
 #
-# Copyright (c) 2014 SUSE LINUX Products GmbH, Nuernberg, Germany.
+# Copyright (c) 2015 SUSE LINUX GmbH, Nuernberg, Germany.
 #
 # All modifications and additions to the file contributed by third parties
 # remain the property of their copyright owners, unless otherwise agreed
@@ -26,6 +26,7 @@ Url:            http://re2c.org/
 Source:         %{name}-%{version}.tar.gz
 BuildRequires:  gcc-c++
 BuildRoot:      %{_tmppath}/%{name}-%{version}-build
+Patch0:         re2c-nogenerationdatedefault.patch
 
 %description
 re2c is a tool for writing fast and flexible lexers. Unlike other such
@@ -36,6 +37,7 @@ terms of size and speed.
 
 %prep
 %setup -q
+%patch0 -p1
 find lessons examples -type f -print0 \
     | xargs -r0 chmod -v a-x