+# rsync_bin gives the location of the rsync binary. This is either
+# builddir/rsync if we're testing an uninstalled copy, or
+# install_prefix/bin/rsync if we're testing an installed copy. On the
+# build farm rsync will be installed, but into a scratch /usr.
+
+# srcdir gives the location of the source tree, which lets us find the
+# build scripts. It might be relative, so we need to make it
+# absolute.
+
+# The pwd is undefined when this script starts.
+
+srcdir=`cd $srcdir && pwd`
+