patch applied (cabal): Detect broken and inconsistent package deps
duncan.coutts at worc.ox.ac.uk
Tue Feb 19 08:34:43 EST 2008
Mon Feb 18 16:01:39 PST 2008 Duncan Coutts <duncan at haskell.org>
* Detect broken and inconsistent package deps
We now check for packages that are broken due to their dependencies having
been unregistered. We fail and print a fairly sensible message in this case.
We also check for inconsistent dependencies and give a warning saying which
packages are depending on inconsistent versions of a third. This is a warning
not an error because it does not always lead to failure. Hopefully it'll help
people who are otherwise just running into random compile errors.
This fixes ticket #220.
M ./Distribution/Simple/Configure.hs -2 +26
M ./Distribution/Simple/InstalledPackageIndex.hs -2 +86
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