AC_MSG_WARN([pthreads seem to be available but you are using --disable-pthread.])
AC_MSG_WARN([This is almost always a mistake and can render Privoxy unacceptable slow.])
AC_MSG_WARN([Also various Privoxy features only work when using threads and won't even compile without them.])
AC_MSG_WARN([pthreads seem to be available but you are using --disable-pthread.])
AC_MSG_WARN([This is almost always a mistake and can render Privoxy unacceptable slow.])
AC_MSG_WARN([Also various Privoxy features only work when using threads and won't even compile without them.])