diff --git a/src/configure b/src/configure
index be225ed..6aa15be 100755
--- a/src/configure
+++ b/src/configure
@@ -2,3 +2,5 @@
 # run the automatically generated configure script
 CONFIG_STATUS=auto/config.status \
 	auto/configure "$@" --srcdir="${srcdir-.}" --cache-file=auto/config.cache
+# Stupid autoconf 2.5x causes this file to be left behind.
+if test -f configure.lineno; then rm -f configure.lineno; fi