Index: libsigc++-2.0.17/configure.ac
===================================================================
--- libsigc++-2.0.17.orig/configure.ac	2005-12-20 08:41:21.000000000 +0000
+++ libsigc++-2.0.17/configure.ac	2007-07-11 11:33:55.000000000 +0100
@@ -105,6 +105,10 @@
 SIGC_CXX_HAS_NAMESPACE_STD()
 SIGC_CXX_HAS_SUN_REVERSE_ITERATOR()
 
+dnl FIXME Define this here since it does not seem to be defined elsewhere
+AC_DEFINE(SIGC_API, [], [Empty specifier])
+AC_DEFINE(SIGC_USING_STD(Symbol), [], [Empty specifier])
+
 if test "X$config_error" = "Xyes" ; then
   AC_ERROR(
 [One or more of the required compiler features is missing.