patch applied (cabal): "build-tools-extend-namespace" and 2 others

[David Waern]

Hi,

> Wed May  4 18:41:44 PDT 2011  intractable at gmail.com
>  * intrapackage-deps-and-per-component-preprocessing
>  This patch adds intrapackage dependency resolution so that components
>  (libraries, exes, test suites) are build in the correct order.  This mean it's
>  now possible to have, e.g., executables that depend on other executables defined
>  in the same package description: the build-tools namespace has been extended
>  accordingly.
>
>  Related to this change is the refactoring of the do-it-all preprocessSources
>  function, formerly invoked by initialBuildSteps, into a a function
>  preprocessComponent that is invoked when a component is being built.  This lets
>  us use executables defined in a package to be used as a custom preprocessor when
>  building other components.
>
>  Finally, a number of functions now operate on values of the sum type
>  PackageDescription.Component rather than specifically operating on Library or
>  Executable and so forth.
>
>    M ./Distribution/PackageDescription.hs -11 +40
>    M ./Distribution/Simple/Build.hs -89 +88
>    M ./Distribution/Simple/Configure.hs -13 +45
>    M ./Distribution/Simple/Haddock.hs -94 +98
>    M ./Distribution/Simple/LocalBuildInfo.hs -1 +32
>    M ./Distribution/Simple/PreProcess.hs -66 +64
>    M ./Distribution/Simple/Program/Types.hs -1 +17
>    M ./Distribution/Simple/SrcDist.hs -5 +10
>    M ./Distribution/Simple/Utils.hs +1
>    M ./tests/suite.hs -2 +1
>
> View patch online:
> http://darcs.haskell.org/cgi-bin/darcsweb.cgi?r=cabal;a=darcs_commitdiff;h=20110505014144-5ca9b-fe8debbf69a64bd6a9d3793cee89f5d24a4dcc0a.gz
>

This patch seem to have broken preprocessing somehow. With it, Cabal
is unable to build ghc-paths:

Building ghc-paths-0.1.0.8...
Preprocessing library ghc-paths-0.1.0.8...
[1 of 1] Compiling GHC.Paths        ( GHC/Paths.hs, dist/build/GHC/Paths.o )

GHC/Paths.hs:9:11:
    Not in scope: data constructor `GHC_PATHS_LIBDIR'

GHC/Paths.hs:10:11:
    Not in scope: data constructor `GHC_PATHS_DOCDIR'

GHC/Paths.hs:12:11: Not in scope: data constructor `GHC_PATHS_GHC'

GHC/Paths.hs:13:11:
    Not in scope: data constructor `GHC_PATHS_GHC_PKG'

David