FreeBSD without system libffi: Shared object "libffi.so.6" not found

In #7806 (closed), kazu-yamamoto reported that on FreeBSD without a system libffi:

GHC can be built:

% make maintainer-clean
% perl boot
% ./configure --prefix=/ghc-head \
              --with-iconv-includes=/usr/local/include \
              --with-iconv-libraries=/usr/local/lib \
              --with-gmp-includes=/usr/local/include \
              --with-gmp-libraries=/usr/local/lib \
              --with-gcc=/usr/local/bin/gcc47 \
              --with-gcc-4.2=/usr/local/bin/gcc47
% gmake -j10

But installation fails:

% gmake install
Installing library in /ghc-head/lib/ghc-7.7.20130323/haskell2010-1.1.1.0
"/ghc-head/lib/ghc-7.7.20130323/bin/ghc-pkg" --force --global-package-db "/ghc-head/lib/ghc-7.7.20130323/package.conf.d" update rts/package.conf.install
Shared object "libffi.so.6" not found, required by "libHSrts-ghc7.7.20130323.so"
gmake[1]: *** [install_packages] Error 1
gmake: *** [install] Error 2

Trac metadata

Trac field	Value
Version	7.6.2
Type	Bug
TypeOfFailure	OtherFailure
Priority	high
Resolution	Unresolved
Component	Build System
Test case
Differential revisions
BlockedBy
Related
Blocking
CC
Operating system	Unknown/Multiple
Architecture