Always set SVNVERSION to "exported" if it otherwise fails.
diff --git a/configure.in b/configure.in
index 16368a7..acd0168 100644
--- a/configure.in
+++ b/configure.in
@@ -619,7 +619,13 @@
 AC_CHECK_PROGS(AR, ar aal, ar)
 
 AC_SUBST(SVNVERSION)
-AC_CHECK_PROGS(SVNVERSION, svnversion, [echo no svnversion])
+AC_CHECK_PROG(SVNVERSION, svnversion, found)
+if test $SVNVERSION = found
+then
+	SVNVERSION="svnversion \$(srcdir)"
+else
+	SVNVERSION="echo exported"
+fi
 
 case $MACHDEP in
 bsdos*|hp*|HP*)