tag 337868 pending Hello,
I investigated a bit on that bug and found out that the above warning is generated by the c preprocessor, which is used to generate the config file for the altdata package. The source file for this config contains this line: #if CABAL == 1 && GLASGOW_HASKELL > 604 The cpp call to process the file looks like that: cpp ... -DGLASGOW_HASKELL= ... So the GLASGOW_HASKELL variable is empty and causes the preprocessor to fail. The reason for the empty variable is the way config.mk tries to determine the ghc version: echo 'main' | ghc --interactive ... t.hs Unfortunately ghci (the interactive ghc) isn't available on alpha. In fact it doesn't really work on any architecture except i386 and amd64. See http://hackage.haskell.org/trac/ghc/ticket/631. Therefor the fix is to build hs-plugins on the above architectures only. -Flo
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