Re: HP 2013.2 and GHC 7.6.2

Even though there's some risk bumping the Cabal version used in GHC, I think it would be worth it given that quite a few people have tripped over the bugs fixed in 1.16.0.3. On Wed, Apr 17, 2013 at 8:20 AM, Iavor Diatchki wrote:

Hello,

cabal-install 1.16.0 and 1.16.0.1 have some serious bugs that one encounters rather quickly. For example, at work I wasted some time until I figured out that cabal was generating a 'Paths_' module that does not compile. Because of this, you can't even use it to install a newer version of itself, where the problem is fixed: you have to manually bootstrap the new version with the script!

I think it would be quite unfortunate to make yet another GHC release that ships with it, let alone add it to the Haskell platform.

-Iavor

On Wed, Apr 17, 2013 at 7:17 AM, Ian Lynagh wrote:

...

On Wed, Apr 17, 2013 at 02:48:26PM +0100, Duncan Coutts wrote:

...

In the absence of a GHC-7.6.3, I'm not sure if it's practical for the HP to bump the Cabal version.

My proposal was 7.6.3 was a minimal release in a very short timeframe, to just fix #7748. Any additional changes introduce a possibility of regression. If you think that 7.6.2+1.16.0 would be OK, then it sounds like the fixes in 1.16.0.3 wouldn't be worth the risk (there are a number of GHC fixes that we won't be merging either, for the same reason).

Thanks Ian

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