Github user anmolnar commented on the issue:
https://github.com/apache/zookeeper/pull/528
Yeah, I see what the problem is: `pkg-config` package has to be installed,
but there's another problem with the version that is shipped with 14.04: it
doesn't have `PKG_CHECK_MODULES_STATIC` macro, because it has been added in a
more recent version according to this bug:
https://bugs.freedesktop.org/show_bug.cgi?id=19541
Adding the definition of the macro to our `configure.ac` script solves the
problem, but I don't want it to be effective if recent version of pkg-config is
in use. Trying to add it as a conditional, but my autoconf knowledge doesn't
seem to be enough here. Still looking.
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