On Oct 13, 2021, at 9:49 PM, Carter Schonwald <carter.schonwald@gmail.com> wrote:

The issue would be macports.  It uses its own version of the iconv lib and that always gets headaches if the ghc touches anything else. 

if you’re using macports you have to make sure everything is Mac ports only for ghc linking. 

Else you have to make sure you don’t touch any macports c Libs via ghc.  

On Wed, Oct 13, 2021 at 7:57 AM David Duke <duke.j.david@gmail.com> wrote:

Thanks Steven. Looks like it might be something with my system.

I reinstalled from macports  8.10.7

@ Carter yes I've been carefully   check the compiler version on each trial.

However trying to compile a Haskell source gives the same libHSbase error

ndefined symbols for architecture x86_64:

  "_iconv", referenced from:

      _hs_iconv in libHSbase-4.14.3.0.a(iconv.o

On Tue, Oct 12, 2021 at 2:54 AM Steven Smith <steve.t.smith@gmail.com> wrote:

I’m a maintainer of the MacPorts ghc port. The MacPorts installations do not have this issue, whether installed from the buildbot binaries or compiled from source, that all work on multiple macOS versions 10.9–11.  Here’s the build recipe: https://github.com/macports/macports-ports/blob/master/lang/ghc/Portfile

The iconv symbol issue is known, https://gitlab.haskell.org/ghc/ghc/-/issues/18752, and packages like MacPorts must build around it.

This looks like something specific to your configuration.

If you believe that there is an issue outside your system, please initiate a trac ticket at https://trac.macports.org.

On Oct 11, 2021, at 5:00 AM, David Duke <duke.j.david@gmail.com> wrote:

I have a conundrum on which advice would be appreciate. Does

anyone know how to successfully install ghc on OSX 

I've tried various binary instalation routes:

macports, brew, direct binary downloads from haskel.org

--

David Duke

Emeritus Professor of Computer Science

School of Computing University of Leeds UK

E:duke.j.david@gmail.com

W:https://engineering.leeds.ac.uk/staff/334/Professor_David_Duke

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