makefiles: Generate the static library rules from configure.
diff --git a/configure.ac b/configure.ac
index 4e9d263..158aafb 100644
--- a/configure.ac
+++ b/configure.ac
@@ -2091,6 +2091,8 @@
 AC_SUBST(ALL_TOP_DIRS,"")
 AC_SUBST(ALL_DLL_DIRS,"")
 AC_SUBST(ALL_IMPLIB_DIRS,"")
+AC_SUBST(ALL_STATIC_LIBS,"")
+AC_SUBST(ALL_IMPORTLIB_RULES,"")
 AC_SUBST(ALL_TEST_DIRS,"")
 AC_SUBST(ALL_PROGRAM_DIRS,"")
 AC_SUBST(ALL_PROGRAM_INSTALL_DIRS,"")