Known issue George. See e.g.
https://gitlab.haskell.org/ghc/ghc/-/issues/21985
On Tue, Aug 9, 2022, 4:33 PM George Colpitts <george.colpi...@gmail.com>
wrote:
> Unfortunately ghc doesn't work after installing 9.4.1 on my Mac. Does it
> work for others?
>
> After the install finishes when I do the following:
>
> $ ghc --version
> bash: /usr/local/bin/ghc: Permission denied
> $ sudo chmod +x /usr/local/bin/ghc
> $ghc --version
> /usr/local/bin/ghc: line 1: exec: : not found
> $ cat /usr/local/bin/ghc
> exec "$executablename" -B"$libdir" ${1+"$@"}
> $ cat /usr/local/bin/ghc-9.4.1
> #!/bin/sh
> exedir="/usr/local/lib/ghc-9.4.1/bin"
> exeprog="ghc-9.4.1"
> executablename="/usr/local/lib/ghc-9.4.1/bin/ghc-9.4.1"
> bindir="/usr/local/bin"
> libdir="/usr/local/lib/ghc-9.4.1/lib"
> docdir="/usr/local/share/doc/ghc-9.4.1"
> includedir="/usr/local/include"
>
> exec "$executablename" -B"$libdir" ${1+"$@"}
>
>
> Thanks
> George
>
>
>
> On Sun, Aug 7, 2022 at 6:30 PM Ben Gamari <b...@well-typed.com> wrote:
>
>> The GHC developers are very pleased to announce the availability of GHC
>> 9.4.1. Binary distributions, source distributions, and documentation are
>> available at downloads.haskell.org:
>>
>> https://downloads.haskell.org/ghc/9.4.1
>>
>> This release includes:
>>
>> - A new profiling mode, `-fprof-late`, which adds automatic cost-center
>> annotations to all top-level functions *after* Core optimisation has
>> run. This provides informative profiles while interfering
>> significantly less with GHC's aggressive optimisations, making it
>> easier to understand the performance of programs which depend upon
>> simplification..
>>
>> - A variety of plugin improvements including the introduction of a new
>> plugin type, *defaulting plugins*, and the ability for typechecking
>> plugins to rewrite type-families.
>>
>> - An improved constructed product result analysis, allowing unboxing of
>> nested structures, and a new boxity analysis, leading to less reboxing.
>>
>> - Introduction of a tag-check elision optimisation, bringing
>> significant performance improvements in strict programs.
>>
>> - Generalisation of a variety of primitive types to be levity
>> polymorphic. Consequently, the `ArrayArray#` type can at long last be
>> retired, replaced by standard `Array#`.
>>
>> - Introduction of the `\cases` syntax from [GHC proposal 0302].
>>
>> - A complete overhaul of GHC's Windows support. This includes a
>> migration to a fully Clang-based C toolchain, a deep refactoring of
>> the linker, and many fixes in WinIO.
>>
>> - Support for multiple home packages, significantly improving support
>> in IDEs and other tools for multi-package projects.
>>
>> - A refactoring of GHC's error message infrastructure, allowing GHC to
>> provide diagnostic information to downstream consumers as structured
>> data, greatly easing IDE support.
>>
>> - Significant compile-time improvements to runtime and memory
>> consumption.
>>
>> - On overhaul of our packaging infrastructure, allowing full
>> traceability of release artifacts and more reliable binary
>> distributions.
>>
>> - Reintroduction of deep subsumption (which was previously dropped with
>> the
>> *simplified subsumption* change) as a language extension.
>>
>> - ... and much more. See the [release notes] for a full accounting.
>>
>> Note that, as 9.4.1 is the first release for which the released artifacts
>> will
>> all be generated by our Hadrian build system, it is possible that there
>> will be
>> packaging issues. If you enounter trouble while using a binary
>> distribution,
>> please open a [ticket]. Likewise, if you are a downstream packager, do
>> consider
>> migrating to [Hadrian] to run your build; the Hadrian build system can be
>> built
>> using `cabal-install`, `stack`, or the in-tree [bootstrap script]. See
>> the accompanying
>> [blog post] for details on migrating packaging to Hadrian.
>>
>> We would like to thank Microsoft Azure, GitHub, IOG, the Zw3rk stake pool,
>> Well-Typed, Tweag I/O, Serokell, Equinix, SimSpace, Haskell Foundation,
>> and
>> other anonymous contributors whose on-going financial and in-kind support
>> has
>> facilitated GHC maintenance and release management over the years.
>> Finally,
>> this release would not have been possible without the hundreds of
>> open-source
>> contributors whose work comprise this release.
>>
>> As always, do give this release a try and open a [ticket] if you see
>> anything amiss.
>>
>> Happy testing,
>>
>> - Ben
>>
>>
>> [GHC proposal 0302]:
>> https://github.com/ghc-proposals/ghc-proposals/blob/master/proposals/0302-cases.rst
>> [ticket]: https://gitlab.haskell.org/ghc/ghc/-/issues/new
>> [bootstrap script]:
>> https://gitlab.haskell.org/ghc/ghc/-/blob/e2520df3fffa0cf22fb19c5fb872832d11c07d35/hadrian/bootstrap/README.md
>> [Hadrian]:
>> https://gitlab.haskell.org/ghc/ghc/-/blob/e2520df3fffa0cf22fb19c5fb872832d11c07d35/hadrian
>> [release notes]:
>> https://downloads.haskell.org/~ghc/9.4.1/docs/users_guide/9.4.1-notes.html
>> [blog post]:
>> https://www.haskell.org/ghc/blog/20220805-make-to-hadrian.html
>> _______________________________________________
>> ghc-devs mailing list
>> ghc-devs@haskell.org
>> http://mail.haskell.org/cgi-bin/mailman/listinfo/ghc-devs
>>
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