1) if you copy the 10.5sdk from developer-old into the new developer folder
sdk folder, the standard ghc distro will work again
2) theres a ghc ticket for that, its apparently partly because theres no
-nowarnunwind flag or the like
On Thu, Mar 17, 2011 at 6:11 AM, Michael Vanier
I run haskell on Mac OS X (Snow Leopard). After upgrading my Xcode installation to 4.0 I had a tricky time getting ghc working again; the version bundled with the Haskell Platform no longer works and I had to compile a recent snapshot (ghc-7.1.20110315) from source. This worked fine, but now when I compile my code I keep getting really weird warnings. For instance:
ld: warning: could not create compact unwind for .LFB3: non-standard register 5 being saved in prolog
and
SpecConstr Function `$w$j{v s3hL} [lid]' has one call pattern, but the limit is 0 Use -fspec-constr-count=n to set the bound Use -dppr-debug to see specialisations SpecConstr Function `$w$j{v s3ic} [lid]' has two call patterns, but the limit is 1 Use -fspec-constr-count=n to set the bound Use -dppr-debug to see specialisations
The code seems to work, but this is quite irritating. Is there anything that can be done about these warnings?
Thanks,
Mike
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