GHC7 (on OSX.5)

wren ng thornton wren at
Mon Mar 21 18:40:42 CET 2011

On 3/21/11 4:16 AM, Christian Maeder wrote:
> Am 20.03.2011 20:01, schrieb wren ng thornton:
>> So I'm having a go of installing ghc-7.0.2 and
>> haskell-platform-2011.2.0.0 on OSX 10.5. Since 10.5 is no longer
>> supported I've had to compile from source. The good news is, so far as I
>> can tell, everything works right out of the box.[1]
> [...]
>> [1]
>> OSX 10.5.8
>> arch x86_64 (though it calls itself i386)
> Does your ghc-7.0.2 create 32 or 64 bit Code? What does "ghc --info" say?

$> ghc-7.0.2 --info
  [("Project name","The Glorious Glasgow Haskell Compilation System")
  ,("Project version","7.0.2")
  ,("Booter version","6.12.1")
  ,("Build platform","i386-apple-darwin")
  ,("Host platform","i386-apple-darwin")
  ,("Target platform","i386-apple-darwin")
  ,("Have interpreter","YES")
  ,("Object splitting","NO")
  ,("Have native code generator","YES")
  ,("Have llvm code generator","YES")
  ,("Support SMP","YES")
  ,("Tables next to code","YES")
  ,("RTS ways","l debug  thr thr_debug thr_l thr_p  dyn debug_dyn 
thr_dyn thr_debug_dyn")
  ,("Leading underscore","YES")
  ,("Debug on","False")
  ,("Global Package DB","/usr/local/lib/ghc-7.0.2/package.conf.d")
  ,("C compiler 
  ,("Gcc Linker 
  ,("Ld Linker 

>> Xcode 3.1.2 (not that it matters)
>> gcc 4.0.1 (i686-apple-darwin9-gcc-4.0.1 Apple Inc. build 5490)
>> ghc 6.12.1 / hp 2010.1.0.0
> As far as I know there was no 64bit ghc-6.12.x for MacOS. Is it possible
> to create a 64bit ghc starting with a 32Bit ghc? I don't think so and
> always used ghc-6.10.4 from macports to create 64bit binary-dists that
> have the suffix -x86_64-apple-darwin.tar.bz2 rather than
> -i386-apple-darwin.tar.bz2 for 32bit compilers.

The 6.12 is definitely 32bit. I can't say how that affects bootstrapping.

Live well,

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