
2 Jan
2010
2 Jan
'10
11:02 a.m.
Ever since upgrading to 6.12.1, I've been getting a new warning. I
Manually wiping out a bunch of .hi files causes recompilation and the warning goes away.
you need to do it. different ghc versions aren't compatible on .hi/.o files format/contents
Oh, it's not a 6.10 vs. 6.12 thing, I upgraded weeks ago and have rebuilt from scratch many times since. One thing I forgot to mention last time: the warning isn't totally harmless because it will cause ghci to fail to run functions no matter how much I reload modules. I have to quit and restart it to get it to work.