Cannot make ghc: Failed to load interface for GHC.Base

Dan Rosén danr at
Fri Aug 30 14:50:28 CEST 2013

Sorry! I thought I got this build error when making HEAD, but I don't. It
builds fine.

However, if I just cherry-pick this simple commit onto HEAD,
then I do get this error, which is very puzzling. I did a make
maintainer-clean in between.

On Thu, Aug 29, 2013 at 6:05 PM, David Luposchainsky <
dluposchainsky at> wrote:

> On 2013-08-29 18:03, Austin Seipp wrote:
> > When was the last time you cleaned your tree? Earlier this week I made a
> > breaking change to the interface file format. If you have a build from
> > before then, update and incrementally rebuild, it will break.
> I tried all of clean, distclean and maintainer-clean, followed by the
> usual build process. The issue remains.
> David
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> ghc-devs mailing list
> ghc-devs at
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