[Haskell-cafe] Error in installing dph-examples on Mac OS X 10.7.3

Carter Schonwald carter.schonwald at gmail.com
Fri Feb 10 21:37:31 CET 2012

ok, this is because i think you need a stand alone LLVM backend because ghc
7.4 provides some vectorization stuff that
dph uses, and  so i'd suggest installing llvm on its own, or maybe its that
dph calls llvm tools as its compliling?

brew install llvm

because if you look in cabal file
you'll see that the build's have the -fllvm flag, and llvm as a standalone
backend isn't installed by developer tools or anything else you ahve

On Fri, Feb 10, 2012 at 2:40 PM, Brandon Allbery <allbery.b at gmail.com>wrote:

> On Fri, Feb 10, 2012 at 13:38, mukesh tiwari <mukeshtiwari.iiitm at gmail.com
> > wrote:
>> Hi Carter
>> Thank you for reply. My mac is 32 bit ( I remember having some issue
>> with ghc-7.2.1 64 bit on 32 bit machine but probably that was on
>> Linux ). I will give it a shot.
>> Macintosh-0026bb610428:tmp mukesh$ uname -a
>> Darwin Macintosh-0026bb610428.local 11.3.0 Darwin Kernel Version
>> 11.3.0: Thu Jan 12 18:48:32 PST 2012; root:xnu-1699.24.23~1/
>> RELEASE_I386 i386
> That just means you have the 32-bit kernel; 64-bit executables still work
> on most Intel-based Macs even with a 32-bit kernel (the exceptions being
> early Core 1-based machines), and only machines made within the past year
> or so boot to a 64-bit kernel by default.
>> Some where on the internet I saw that llvm comes with Xcode 4.2
> I believe it was mentioned to you in #haskell that it is an incomplete
> LLVM distribution, and you need to install a full LLVM distribution for
> -fllvm to work properly.  IIRC you also need to avoid the just-released
> LLVM 3 (this may also be part of the problem with Xcode 4.2, which is
> actually a partial LLVM 3 prerelease).
> --
> brandon s allbery                                      allbery.b at gmail.com
> wandering unix systems administrator (available)     (412) 475-9364 vm/sms
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