I can not reproduce this on 64bit Windows, a9c93bdd8b027d6de09a3eada7721e7fd2d3e050 builds succesfully with flavour devel2.

* Which build flavour are you using? Any other mk/build.mk settings?
* 32bit or 64bit?
* Output of `git status` (i.e. did you 'git submodule update'? In case that fixes it, I suggest you use git pullall for all your pulling needs)
* Try `make maintainer-clean`.
* In case you use llvm, note that HEAD needs llvm-3.7 now.



On Mon, Oct 26, 2015 at 10:19 PM, Simon Peyton Jones <simonpj@microsoft.com> wrote:

Gurgah.   GHC is broken on my windows laptop.  See below.  Anyone have any ideas?  Frustrating.

Oddly the symbol is defined in the .exe

bash$ nm inplace/bin/ghc-stage2.exe | grep stg_upd_frame

02c248e0 T _stg_upd_frame_info

This is admittedly on a branch that I have modified; but I have only modified stuff in the front end, nothing in the RTS etc.  I suppose I will try to build a unmodified HEAD too.

can anyone help?  Thanks!

Simon

 

bash$ c:/code/HEAD/inplace/bin/ghc-stage2 --interactive

GHCi, version 7.11.20151026: http://www.haskell.org/ghc/  :? for help

ghc-stage2.exe: unable to load package `ghc-prim-0.4.0.0'

ghc-stage2.exe: C:\code\HEAD\libraries\ghc-prim\dist-install\build\HSghc-prim-0.4.0.0.o: unknown symbol `_stg_upd_frame_info'

HEAD $


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