Re: [Haskell-cafe] Error trying to build haskell-dbus on FreeBSD

On Sat, Feb 1, 2020 at 5:31 AM Simon Jakobi via Haskell-Cafe < haskell-cafe@haskell.org> wrote:

Maybe. Though it seems to me that the pre-processor isn't missing, but it's doing the wrong thing…

I'd suggest to open an issue at https://gitlab.haskell.org/ghc/ghc/issues – there should be people who can tell more exactly what's going wrong here.

FreeBSD uses Clang as C/C++ compiler. While its preprocessor should be 100% compatible with GCC's one, it might explain why the problem appears.

Am Sa., 1. Feb. 2020 um 02:16 Uhr schrieb Brandon Martin :

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Hmm... maybe I am missing a package in FreeBSD then? Is that the

possible suggestion?

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-- Brandon Martin

On Fri, Jan 31, 2020, at 5:12 PM, Simon Jakobi wrote:

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I think the error suggests that the C pre-processor doesn't work as expected. Look at the source around the error locations:

https://github.com/rblaze/haskell-dbus/blob/43b1382ce93f08272fd6fda253d977f6...

...

...

"HsType" is a variable name used in the CPP definition.

Am Sa., 1. Feb. 2020 um 01:58 Uhr schrieb Brandon Martin :

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Yes I am. I put allow newer in both because stack complained about

dependencies, and suggested it. I just put it in as a quick test to see if I could build it. Cabal didn't complain about dependencies, but got the same error.

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-- Brandon Martin

On Fri, Jan 31, 2020, at 4:55 PM, Simon Jakobi wrote:

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Are you using the same dependency set (including GHC version) that

you

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used on Linux too?

Why did you enable allow-newer?

Am Sa., 1. Feb. 2020 um 01:30 Uhr schrieb Brandon Martin :

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I am trying to build haskell-dbus on FreeBSD 12.1. I have tried

with stack 2.1.3.1, and with cabal 2.4.0.0. I am seeing this error:

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Not in scope: type constructor or class ‘HsType’

Full error:

https://gist.github.com/codedmart/2b04438566ed8e985d909db7d426649c

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HsType is part of ghc unless I am missing something. I am new to

using FreeBSD as I usually use Linux. This package builds fine for me on Linux.

...

Thanks

-- Brandon Martin

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