The openbox port installs the required header file in a location that the obconf port doesn't expect. To fix this, patch the obconf code as given in this patch. Fix: Apply patch below.
Responsible Changed From-To: freebsd-ports-bugs->trevor Over to maintainer
State Changed From-To: open->feedback I made the openbox port install its headers in a different place, so they should be found during compilation of obconf. Please let me know whether this works for you.
State Changed From-To: feedback->closed Submitter reports that the ports are working correctly now.