Hi Martin,

Thanks for your reports.

I have approved your account on gitlab now.

* The FreeBSD bindists are not officially created during the release
process. The ones you are using from ghcup are created (and
maintained) by the ghcup maintainers.
* Most linux bindists are created using the old make build system on
the 9.2.* series but it seems these bindists were not.
* We will gladly fix the bugs you report with the  hsc2hs wrapper.
* Please open an issue for the problem with --target flag

Cheers,

Matt

On Mon, Mar 20, 2023 at 2:05 AM Martin Baulig via ghc-devs
<ghc-devs@haskell.org> wrote:
>
> Hello,
>
> I am a FreeBSD user, running FreeBSD 13.1 with Clang 13 and GCC 12.2, and 
> still fairly new to the Haskell Platform.
>
> When I tried to upgrade a hobby project to Stackage's latest LTS 20.15, I 
> realized that neither the GHC 9.2.6 nor
> the GHC 9.2.7 binary packages from GHCUP work anymore.
>
> There are two issues - and I wrote a detailed article about my investigation 
> on Medium:
> https://medium.com/@martin.baulig/ghc-9-2-7-on-freebsd-22afab71c715
>
> The first one is a trivial one-line change - in 
> hadrian/src/Rules/BinaryDist.hs, we need to change
>
> ( "HSC2HS_EXTRA=\"" <> unwords ccArgs <> unwords ldFlags <> "\""
>
>
> into
>
> ( "HSC2HS_EXTRA=\"" <> unwords (ccArgs <> ldFlags) <> "\""
>
>
> Otherwise, this will break when both ccArgs and ldFlags are non-empty:
>
> HSC2HS_EXTRA="--cflag=--target=x86_64-portbld-freebsd--lflag=--target=x86_64-portbld-freebsd
>  --lflag=-fuse-ld=lld"
>
>
> Unfortunately, this is not quite it just yet.
>
> The problem is that Clang supports the --target= argument, but GCC does not - 
> and it looks like Cabal insists on always
> invoking hsc2hs with an explicit --cc= argument.
>
> Overriding that in ~/.cabal/config doesn't work either - because then Cabal 
> passes "-pgmc /usr/bin/cc" to GHC, but no
> "-pgma" and GHC tries to invoke GCC for assembling with a Clang-only argument.
>
> I am a bit lost here now about what the correct path forward is, but would 
> very much like to help fixing this problem,
> so I created an account on gitlab.haskell.org to report this issue, but got a 
> message saying that it is awaiting admin
> approval.  Looking a bit further in the documentation for new contributors, I 
> saw a comment suggesting I should
> post on this mailing list and ask for approval.  Could an admin please have a 
> look at that?  My user name is my last
> name in lowercase, baulig.
>
> Looking forward to hear back from you,
>
> Martin
>
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