diff --git a/configure.in b/configure.in
index e203a2b9ebe8dc4b6ea87e9742c2387bb08d5311..3572729cbfee4dc3842e66bc117931021afbf1d8 100644
--- a/configure.in
+++ b/configure.in
@@ -38,6 +38,10 @@ AC_PROG_CC
 dnl check for how to do large files
 AC_SYS_LARGEFILE
 
+dnl check for cygwin stuff
+AC_LIBTOOL_WIN32_DLL
+
+dnl libtool setup
 AM_PROG_LIBTOOL
 
 dnl The install stuff has already been taken care of by the automake stuff