cpp: Deal with systems without sched_get_priority_{min,max} (OpenBSD) Also make a few tweaks to configure.ac: - Check for clock_gettime in librt since it seems to be more widely available. - Make it clear which AC_CHECK_FUNCS are optional.
incubator/thrift/trunk/configure.ac
incubator/thrift/trunk/lib/cpp/src/concurrency/PosixThreadFactory.cpp