> Reconsidering... I guess we could add checks for the presence of the
> required header files and libraries. I'm reluctant to do a full
> AC_CHECK_HEADER here because that will only succeed if we enable C++
> in the configure script, and right now the extra overhead of enabling
> C++ in libtool doesn't seem worth it. As such, we could just do an
> AC_PREPROC_IFELSE here.
Just a note: If we someday add a recursive configure (a separate
configure in the contrib directories), maybe we could extend it to
a separate configure in back-ndb too.