Compile/Link 101

[Ryan Schmidt]

>>> My somewhat hazy recollection is that it might have started working in
>>> 4.4. Unfortunately I don't have that version handy to check.

http://trac.macports.org/ticket/36339#comment:3 says 4.4.1's clang doesn't support LIBRARY_PATH either. 4.5's does. So since the build system is so finicky you can blacklist macports-clang-2.9 macports-clang-3.0 and {clang < 421}