Automating GHC build for Windows

[Gintautas Miliauskas]

Thanks for pushing this forward.

I wonder what's going on with DeleteFile. What is the step that's failing?
Can you post the log?

I also wonder why this issue is not arising on other Windows machines...

On Thu, Oct 30, 2014 at 12:18 AM, Páli Gábor János <pali.gabor at gmail.com>
wrote:

> 2014-10-28 21:49 GMT+01:00 Gintautas Miliauskas <gintautas at miliauskas.lt>:
> > Can you try running the offending command with -v to see which step
> > breaks?
>
> I have tried it, even together with building the GHC sources with a
> recent toolchain, but I did not get much forward.
>
> > I tried running it locally under strace but did not see any file renames
> > either.
>
> Although, I think I managed to find the place where some renaming
> happens.  That is `writeFileAtomic` in Cabal's
> Distribution.Simple.Utils module [1].  The bin-package-db library has
> a patched version of this function [2] that has a workaround for
> Windows.  After incorporating this change in Cabal, I was able to pass
> the previously problematic point in the build.  Unfortunately, this
> was not enough for the complete build, as a similar error (with
> DeleteFile that time) was raised.
>
> [1]
> https://github.com/haskell/cabal/blob/master/Cabal/Distribution/Simple/Utils.hs#L1032
> [2]
> https://github.com/ghc/ghc/blob/master/libraries/bin-package-db/GHC/PackageDb.hs#L252
>



-- 
Gintautas Miliauskas
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