--- libgig/trunk/configure.in	2007/12/05 15:01:11	1549
+++ libgig/trunk/configure.in	2009/05/03 10:47:09	1894
@@ -32,6 +32,7 @@
 
 AC_LANG_CPLUSPLUS
 AC_PROG_CXX
+AC_LIBTOOL_WIN32_DLL
 AM_PROG_LIBTOOL
 
 AC_C_BIGENDIAN