Darren Duncan wrote: > ghc 6.4.1 works with any gcc version, both 3.3 and 4.0, so users with > either gcc installed, the newer ghc will just work. > > ghc 6.4.0 works only with gcc 3.3, so those people that get 4.0 by > default will have to downgrade to work with 6.4.0.
I've just committed r8839, so people with the GHC 6.4.0+GCC4.0+OSX10.4 combination now see this: GHC 6.4.0 cannot work with GCC 4.0 on Mac OS X. Please download the GHC 6.4.1 installer from http://haskell.org/ghc/. (Alternatively, use "sudo gcc_select 3.3" to pick an earlier version of GCC, or set the CC environment variable to "/usr/bin/gcc-3.3".) That should make it pretty clear that we prefer upgrade (of GHC) over downgrade (of GCC), and so we can retain GHC 6.4.0 compatibility for a while (at least until GHC 6.6 comes out.) Audrey
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