libtoolize was restored. It is because I installed libtool.

diff --git a/bootstrap b/bootstrap
index 5879386..f3bf6e3 100755 (executable)
--- a/bootstrap
+++ b/bootstrap
@@ -2,7 +2,7 @@
 
 set -x
 aclocal -I config
-# libtoolize -f -c
+libtoolize -f -c
 autoheader -I config
 automake --add-missing --copy
 autoconf