Porting GHC to powerpc-unknown-linux

[Lunar]

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Hello,

Following Donald Stewart efforts and Simon Marlow's new porting guide, 
I made two attempts of getting GHC working on Linux/PowerPC.

I made a first attempt using cross-compiling from a Linux/i386 box. I 
followed every instruction on the guide, but the compiler was unusable, 
resulting in the following error message :
hc-6.0.1: internal error: stg_ap_v_ret
     Please report this as a bug to glasgow-haskell-bugs@haskell.org,
     or http://www.sourceforge.net/projects/ghc/

Don got the same message for his cross-compilation tests, so I decided 
to stay on the same computer using the official build for Mac OS X.

I had to add -Onot -fvia-C to prelude/PrimOp_HC_OPTS in 
ghc/compiler/Makefile to make GHC build. This failed on the RTS as said 
in the guide, so I decided to go on.
But I was unable to build the libraries. I got a bunch of error message 
like : "cpp0: unkown -smart flag", and it failed later at :
/compiler/ghc-inplace -H16m -O -fglasgow-exts -cpp -Iinclude -#include 
HsBase.h -funbox-strict-fields -package-name base -O -H32m 
- -keep-hc-files     -c GHC/Base.lhs -o GHC/Base.o  -ohi GHC/Base.hi
GHC/Base.hc:1111: only 1 arg to macro 'HP_CHK_NP' (2 expected)
[...]

I don't know what to try next...

Lunar.
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