Here's another try at the patch to make the __constant_htonl methods be included, but without changing any of the .h files. I tested this on an FC2 system, and it compiles fine. Interesting to me, it seems you are not supposed to #include directly, but when I tried the suggested , it didn't actually fix the problem. Signed-off-by: Ben Greear -- Ben Greear Candela Technologies Inc http://www.candelatech.com