+AM_CONDITIONAL([WITH_NTFS_3G], [test "x$WITH_NTFS_3G" = "xyes"])
+
+AC_SUBST([LIBNTFS_3G_LDADD], [$LIBNTFS_3G_LDADD])
+AC_SUBST([LIBNTFS_3G_CFLAGS], [$LIBNTFS_3G_CFLAGS])
+
+AC_MSG_CHECKING([whether to use patched upstream libntfs-3g])
+AC_ARG_WITH([new-ntfs-3g],
+ [AS_HELP_STRING([--with-new-ntfs-3g], [build using patched upstream
+ NTFS-3g instead of version 2012-1-15])],
+ [WITH_NEW_NTFS_3G=$withval],
+ [WITH_NEW_NTFS_3G=no]
+ )
+
+AC_MSG_RESULT([$WITH_NEW_NTFS_3G])
+if test "x$WITH_NEW_NTFS_3G" = "xyes"; then
+ if test "x$WITH_NTFS_3G" != "xyes"; then
+ AC_MSG_ERROR([Cannot use new NTFS-3g if configuring
+ --without-ntfs-3g])
+ fi
+ AC_DEFINE([WITH_NEW_NTFS_3G], [1], [Define to 1 to use patched upstream
+ NTFS-3g instead of version 2012-1-15])
+fi
+AM_CONDITIONAL([WITH_NEW_NTFS_3G], [test "x$WITH_NEW_NTFS_3G" = "xyes"])