--- /usr/portage/eclass/subversion.eclass	2008-05-27 12:06:31.000000000 +0200
+++ /usr/local/portage/eclass/subversion.eclass	2008-10-14 20:57:04.000000000 +0200
@@ -169,6 +169,10 @@
 
 	case "${protocol}" in
 		http|https)
+			# We have to fake the ROOT variable for built_with_use to work in
+			# e.g. cross-compile environments.
+			OLDROOT=${ROOT}
+			ROOT="/"
 			if ! built_with_use --missing true -o dev-util/subversion webdav-neon webdav-serf || \
 			built_with_use --missing false dev-util/subversion nowebdav ; then
 				echo
@@ -178,6 +182,8 @@
 				echo
 				die "${ESVN}: reinstall Subversion with support for WebDAV."
 			fi
+			# Reset the ROOT variable to the original one
+			ROOT=${OLDROOT}
 			;;
 		svn|svn+ssh)
 			;;