build failure on FreeBSD 9.1

[Páli Gábor János]

On Sun, Mar 24, 2013 at 12:50 PM, Kazu Yamamoto <kazu at iij.ad.jp> wrote:
> % ghci
> Shared object "libffi.so.6" not found, required by "libHSrts_thr-ghc7.7.20130323.so"

What is the version of your devel/libffi port?  Could not adding
--with-system-libffi and related flags to the configuration phase fix
the problem?  Note that you can experience nice problems if the
version of the in-tree and system libffi.so files differ.