ANNOUNCE: GHC version 6.10.1 - MacOS installer
Manuel M T Chakravarty
chak at cse.unsw.edu.au
Wed Nov 19 04:28:05 EST 2008
> On Wed, Nov 5, 2008 at 5:36 PM, Manuel M T Chakravarty <chak at cse.unsw.edu.au
> > wrote:
> Ian Lynagh:
> On Tue, Nov 04, 2008 at 09:02:12PM -0500, Brandon S. Allbery KF8NH
> On 2008 Nov 4, at 20:26, Jason Dagit wrote:
> On Tue, Nov 4, 2008 at 4:26 PM, Manuel M T Chakravarty
> <chak at cse.unsw.edu.au> wrote:
> Are you sure it does deinstall the 6.8 compiler?
> After installing 6.10, there should be a 608/ and a 610/
> directory. This
> certainly happens on my Mac and I am not aware of an option to
> change that
> I expect if you used the OSX installer then /Library/Receipts is
> screwing you (it wipes the old files listed in the .bom file). Try
> finding and removing the receipt directory and bom file before
> The only file I can see that looks relevant is
> Wouldn't removing it make uninstall impossible?
> In fact, if you did manage to get 2 versions installed, how would
> know which version to uninstall? Wouldn't it only know how to
> the version it came with? I'd suggest that the overlapping file
> "Uninstaller" could be why the older version gets removed, but that
> wouldn't explain why Manuel can install both at once.
> A current limitation of the MacOS package system is that it does not
> support uninstalling of packages; cf
> This is not a big drama on MacOS, as MacOS encourages the
> distribution of software packages as "bundles":
> This essentially means that instead of sprinkling files all over the
> file system (as is common in other OSes), MacOS applications and
> frameworks (Mac-speak for libraries) are kept in a single
> directory. Uninstalling then means doing an rm -rf on that directory.
> Unfortunately, some applications (including GHC and Apple's Xcode
> IDE) can't be entirely contained in a single directory. In the case
> of GHC, we want symlinks in /usr/bin. The established way of
> uninstalling such applications is by supplying an Uninstaller
> script, just as I did for GHC. (Apple does the same for Xcode.)
> The purpose of the Uninstaller script is too completely remove
> GHC.framework from a machine - not just to remove one version. In
> fact, if more than one version of GHC is installed, the Uninstaller
> will refuse to run and require the manual removal of all versions,
> but the current (easily achieved by a "rm -rf /Library/Frameworks/
> GHC.framework/Versions/<version>"). The main feature of the
> Uninstaller script is to get rid of all symlinks pointing into
> GHC.framework. The framework itself is just deleted by a "rm -rf"
> as expected. (It also removes the above mentioned receipt file.)
> So, to directly answer the above questions:
> * The package manger (which uses the receipts) can't uninstall and
> the uninstaller script doesn't need the receipt. So, even after
> deleteing the receibt, you can still uninstall.
> * The Uninstaller can uninstall any version (at least as long as no
> symlinks are put into new directories outside of the bundle that the
> Uninstaller doesn't know about).
> Is there an update on this thread? I would still like to have my
> cake and eat it too, meaning ghc 6.8.3 and ghc 6.10.1. As far as I
> know the installer hasn't been updated and if I try again I will
> lose my copy of 6.8.3.
Sorry, but for the moment, my (rather limited knowledge) of the MacOS
packaging system is exhausted, and currently I don't have the time to
search the web or experiment to try to learn more. It would be
helpful to have the input of somebody who has more experience with
-------------- next part --------------
An HTML attachment was scrubbed...
More information about the Glasgow-haskell-users