Porting to Haiku

[Tuncer Ayaz]

On Sat, Nov 1, 2014 at 3:36 PM, Jessica Hamilton wrote:
> Hi,
>
> I (and one other) am working on porting GHC to Haiku; we've
> successfully got a working GHC cross-compiler running on Haiku, and
> now are able to also build GHC on Haiku from the cross-compiler when
> using the "quickest" profile in the mk/build.mk file.
>
> However, using the default build profile, we're running into a
> couple of issues.
>
> 1. A random segfault in ghc-stage1 (is probably an issue in Haiku, not
> entirely sure yet), with the following call stack:
> runCFinalizers + 0x3a
> runAllCFinalizers + 0x37
> hs_exit_ +0x99
> shutdownHaskellAndExit + 0x2f
> hs_main + 0xb1
> .../ghc-7.8.3/inplace/lib/bin/ghc-stage1 + 0xc7b374
> _start + 0x4b
> runtime_loader + 0x130
>
> I can't really see anything obvious in the source code myself
> (although our debugger fails to enumerate the semaphores, and also
> needs to be killed). Restarting the build is sufficient to get past
> the issue, however.
>
> 2. A more pressing issue is with ghc-cabal. It fails with the error
> "resource exhausted" when running the following command:
> inplace/bin/ghc-cabal copy compiler stage2
>
> This error is reproducible every time. I've tried setting up a
> profile build in the mk/build.mk file in order to get a stack trace
> from ghc-cabal; however, after rebuilding GHC from scratch, running
> ghc-cabal +RTS -xc, it still complains that the flag -xc requires
> the program to be built with -prof.
>
> Some advice would be handy before diving into another couple hours
> of rebuilding GHC to try and get a profiled build of ghc-cabal out
> of the build system ;-)

Any progress?