I recently wanted to rebuild GHC 6.12.1 from source (from a downloaded
After the first install from that source I went and updated Cabal (from
a tarball grabbed from Hackage).
When I now try to do a rebuild of GHC, I get this error
Couldn't match expected type `InstalledPackageInfo_ String'
against inferred type
Expected type: [InstalledPackageInfo_ String]
In the second argument of `map', namely `conf'
In the first argument of `return', namely
`(map installedPackageInfoToPackageConfig conf)'
make: *** [compiler/stage1/build/Packages.o] Error 1
make: *** Waiting for unfinished jobs....
make: *** [all] Error 2
(also here: http://hpaste.org/fastcgi/hpaste.fcgi/view?id=16380#a16380)
I'm running the build like this:
make -j 2
but (I'm guessing) it's looking at the already-installed Cabal libs and
not liking what it's getting.
Any ideas on how to get past this?
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