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. On Thursday, August 29, 2013, David Luposchainsky wrote:
On 2013-08-29 12:20, Dan Rosén wrote:
I'm getting this build error when compiling GHC
Just as a remark, I'm getting the same error, presumably because Dan and me were working on the same modules. To put the error in perspective, here's how I got it: After editing a few lines in PrelNames.lhs and TcRnDriver.lhs, I felt like it was time to rebuild GHC again from scratch, so I did the usual clean-and-make-again. However, it seems like Base simply isn't built, all the packages are skipped for some reason (search for "Configuring array-0.4.0.2..." in Dan's log for example).
I've had this issue in the past, and none of clean/distclean/maintainer-clean helped solve it. In the end I just deleted the folder and cloned a new version, but that's hardly a solution I'd like to use every time, especially when I've done code changes (generate and then reapply patch manually).
David
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