diff --git a/giflib.changes b/giflib.changes
index 1f8c3b0..41564ce 100644
--- a/giflib.changes
+++ b/giflib.changes
@@ -1,3 +1,9 @@
+-------------------------------------------------------------------
+Sun Aug 29 23:15:24 UTC 2010 - cristian.rodriguez@opensuse.org
+
+- Do not use __Date__ and __TIME__ , make build-compare
+  happier 
+
 -------------------------------------------------------------------
 Thu Dec 17 20:50:13 CET 2009 - jengelh@medozas.de
 
diff --git a/giflib.spec b/giflib.spec
index d035470..513b3c0 100644
--- a/giflib.spec
+++ b/giflib.spec
@@ -31,7 +31,7 @@ Obsoletes:      libungif-64bit
 %endif
 #
 Version:        4.1.6
-Release:        13
+Release:        19
 Summary:        A Library for Working with GIF Images
 Provides:       libungif
 %ifarch ia64 x86_64 s390x ppc64
@@ -99,6 +99,16 @@ Authors:
 %setup -q
 
 %build
+# USE __TIMESTAMP__ instead of __DATE__ , __TIME__
+# this change is pointless unless we preserve the original 
+# file modification time
+for file in `find util -name "*.c"`; do 
+	touch -r $file $file.stamp; 
+	sed -i -e s@'__DATE__ ",   " __TIME__'@__TIMESTAMP__@g $file; 
+    touch -r $file.stamp $file;
+    rm -v $file.stamp
+done
+
 autoreconf -fiv
 %configure --disable-static --with-pic --x-libraries=%{_libdir}
 %{__make} %{?jobs:-j%jobs}