diff -up rpm-4.11.1-rc1/macros.in.siteconfig rpm-4.11.1-rc1/macros.in
--- rpm-4.11.1-rc1/macros.in.siteconfig	2013-06-07 13:19:21.000000000 +0300
+++ rpm-4.11.1-rc1/macros.in	2013-06-11 15:06:59.525747503 +0300
@@ -647,6 +647,8 @@ package or when debugging this package.\
   export CLASSPATH}\
   PKG_CONFIG_PATH=\"${PKG_CONFIG_PATH}:%{_libdir}/pkgconfig:%{_datadir}/pkgconfig\"\
   export PKG_CONFIG_PATH\
+  CONFIG_SITE=NONE\
+  export CONFIG_SITE\
   \
   %{verbose:set -x}%{!verbose:exec > /dev/null}\
   umask 022\