diff --git a/legacy/ethumb/autogen.sh b/legacy/ethumb/autogen.sh
index 8610825bfd..5bbd4d9c50 100755
--- a/legacy/ethumb/autogen.sh
+++ b/legacy/ethumb/autogen.sh
@@ -1,6 +1,13 @@
 #!/bin/sh
 
-autoreconf -f -i
+rm -rf autom4te.cache
+rm -f aclocal.m4 ltmain.sh
+
+echo "Running aclocal..." ; aclocal $ACLOCAL_FLAGS -I m4 || exit 1
+echo "Running autoheader..." ; autoheader || exit 1
+echo "Running autoconf..." ; autoconf || exit 1
+echo "Running libtoolize..." ; (libtoolize --copy --automake || glibtoolize --automake) || exit 1
+echo "Running automake..." ; automake --add-missing --copy --gnu || exit 1
 
 if [ -z "$NOCONFIGURE" ]; then
 	./configure "$@"