Missing macOS libiconv.dylib Breaks ghc Bootstrap

Steven Smith steve.t.smith at gmail.com
Sun Aug 28 18:46:45 UTC 2022

P.S. CLT provides the file


But is points to the nonexistent file:

> install-name:    '/usr/lib/libiconv.2.dylib'

> On Aug 28, 2022, at 2:42 PM, Steven Smith <steve.t.smith at gmail.com> wrote:
> Re: https://gitlab.haskell.org/ghc/ghc/-/issues/22118 <https://gitlab.haskell.org/ghc/ghc/-/issues/22118>
> I'm self-bootstrapping ghc 9.4.2 using hadrian for deployment on MacPorts.
> Running hadrian -f binary-dist throws this error:
>> :info:build   "_iconv_close", referenced from:
>> :info:build       _hs_iconv_close in libHSbase-
>> :info:build      (maybe you meant: _hs_iconv_close)
>> :info:build   "_iconv", referenced from:
>> :info:build       _hs_iconv in libHSbase-
> The archive file libHSbase- in the ghc install uses the undefined symbol _iconv_close; however, macOS 12.5.1 no longer appears to provide a system libiconv:
>> ls /usr/lib/libiconv*
>> ls: /usr/lib/libiconv*: No such file or directory
> And port iconv provides the _libiconv_open symbol, not the _iconv_open symbol.
> Is anyone aware of a solution to a missing libconv.dylib on recent macOS?

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