Alternatives to cpp-netlib to do asynchronous http requests in C++

Question

I spent half of the day today unsuccessfully trying to install cpp-netlib on Mac OS X (the goal is to implement asynchronous http requests in C++). When I do 'make' to build and run the tests, I have lots of "no matching constructor" errors coming from Boost. Having read this, I tried installing different versions of Boost (1.49, 1.50, 1.51), but that didn't help. So I'm at the point of thinking of alternatives to cpp-netlib. One possibility is to use Boost.Asio directly, but it would have been great to use something like cpp-netlib as it is much easier to use once it's installed. Any alternatives to cpp-netlib which come to mind? Or any other way I should try to make cpp-netlib pass the tests? Thanks in advance!