My first guess is that it is another instance of this bug: http://hackage.haskell.org/trac/ghc/ticket/3799 You might be able to use this option: --haddockdir=DIR installation directory for haddock interfaces though perhaps that flag is only in the latest version of cabal / ghc. - jeremy On Apr 5, 2010, at 4:43 AM, Gracjan Polak wrote:

Hi all,

Probable bug in GHC, I want to inquire before I report it proper. Did anybody see something like this:

c:\Sources\happstack\happstack\templates\project>cabal build [1 of 1] Compiling Main ( Setup.hs, dist\setup\Main.o ) Linking .\dist\setup\setup.exe ... Preprocessing executables for guestbook-1.0... Building guestbook-1.0... [11 of 11] Compiling Main ( src\Main.hs, dist\build \guestbook-server \guestbook-server-tmp\Main.o ) Linking dist\build\guestbook-server\guestbook-server.exe ... dist\build\guestbook-server\guestbook-server-tmp\GuestBook \State2.o:fake:(.text+ 0x6d89): undefined reference to `happstackzm0zi4zi3_HappstackziStateziClockTime_ constrZMabmKZN_closure' dist\build\guestbook-server\guestbook-server-tmp\GuestBook \State2.o:fake:(.text+ 0x6dd1): undefined reference to `happstackzm0zi4zi3_HappstackziStateziClockTime_ dataTypeZMabmJZN_closure' [...lots of same messages skipped...] collect2: ld returned 1 exit status

Application is from

http://patch-tag.com/r/mae/happstack/snapshot/current/content/pretty/happsta...

The Glorious Glasgow Haskell Compilation System, version 6.12.1

System Windows Vista 32bit.

Help!

-- Gracjan

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