diff -up redhat-rpm-config-9.0.3/macros.BAD redhat-rpm-config-9.0.3/macros
--- redhat-rpm-config-9.0.3/macros.BAD	2009-07-21 13:22:43.427201497 -0400
+++ redhat-rpm-config-9.0.3/macros	2009-07-21 13:23:57.692440712 -0400
@@ -73,6 +73,17 @@
 #==============================================================================
 # ---- Build policy macros.
 #
+#
+#---------------------------------------------------------------------
+#	Expanded at beginning of %install scriptlet.
+#
+
+%__spec_install_pre %{___build_pre}\
+    [ "$RPM_BUILD_ROOT" != "/" ] && rm -rf "${RPM_BUILD_ROOT}"\
+    mkdir -p `dirname "$RPM_BUILD_ROOT"`\
+    mkdir "$RPM_BUILD_ROOT"\
+%{nil}
+
 #---------------------------------------------------------------------
 #	Expanded at end of %install scriptlet.
 #