The attached packaging for gobby-0.4.94-2 allows gobby to build against clang by patching the gobby-0.4.94/code/util/config.hpp header so that the serialize namespace is defined first. Tested with 'fink -m' on 10.7.5 using Xcode 4.5.
gobby-0.4.94-2 info file
gobby-0.4.94-2 patch file
Maintainer is absent, so I've gone ahead and committed. Thanks for the fix.