diff -urN libssh2-0.18.orig/configure.in libssh2-0.18.mingw/configure.in
--- libssh2-0.18.orig/configure.in	2007-07-31 10:55:29.000000000 +0100
+++ libssh2-0.18.mingw/configure.in	2008-11-10 14:12:07.000000000 +0000
@@ -52,6 +52,7 @@
 AC_PROG_INSTALL
 AC_PROG_LN_S
 AC_PROG_MAKE_SET
+AC_LIBTOOL_WIN32_DLL
 AC_PROG_LIBTOOL
 AC_C_BIGENDIAN
 if test -z "$PKG_CONFIG"; then