GHCi vs iconv_open

[dt71 at gmx.com]

lokadamus at gmx.de wrote, On 12/31/2013 22:37:
> On 12/22/13 19:35, dt71 at gmx.com wrote:
>> After a recent installworld, GHCi (``ghc -i'' from lang/ghc) fails like so:
>>
>> % ghci
>> GHCi, version 7.6.3: http://www.haskell.org/ghc/  :? for help
>> Loading package ghc-prim ... linking ... done.
>> Loading package integer-gmp ... linking ... done.
>> Loading package base ... linking ... ghc: /usr/local/lib/ghc-7.6.3/base-4.6.0.1/HSbase-4.6.0.1.o: unknown symbol `iconv_open'
>> ghc: unable to load package `base'
>>
>> Running portupgrade to rebuild all (most) ports didn't help. Where's the issue / Do what?
>
> Which version of FreeBSD you are running?
> FreeBSD 10.0 Beta4 shouldn't have the problem.
> I stumble over it while i update from Beta 2 to RC3.

The error is hit even with FreeBSD r260061 (built a couple of days ago).