--- configure.orig	Wed Aug 26 16:57:31 2015
+++ configure	Wed Aug 26 16:57:45 2015
@@ -2224,7 +2224,7 @@ ac_compiler_gnu=$ac_cv_c_compiler_gnu
 
 
 
-RELDATE=`date -I`
+RELDATE=`date +%Y-%m-%d`
 
 cat >>confdefs.h <<_ACEOF
 #define RELDATE "$RELDATE"