GHC 6.8.1 on powerpc OS X 10.5

[Simon Marlow]

Chris Kuklewicz wrote:

> Running "../utils/genprimopcode/genprimopcode --primop-tag" produces "Illegal
> instruction"
> 
> There were other odd messages during the make,such as in this early output:
> 
>> ------------------------------------------------------------------------
>> == make boot -r;
>>  in /Users/chrisk/Documents/projects/haskell/build/ghc-6.8.1/ghc-6.8.1/compat
>> ------------------------------------------------------------------------
>> ../utils/mkdependC/mkdependC -f .depend    -I. -Iinclude -I../includes  -- -O -I. -Iinclude -D__GHC_PATCHLEVEL__=1 -I../libraries/base/cbits -I../libraries/base/include    -- cbits/directory.c cbits/rawSystem.c cbits/unicode.c 
>> /usr/local/bin/ghc -M -optdep-f -optdep.depend  -osuf o    -H16m -O -w -I. -Iinclude -Rghc-timing -ignore-package Cabal -ignore-package filepath -I../libraries -fglasgow-exts -no-recomp Compat/Directory.hs Compat/RawSystem.hs Compat/Unicode.hs Distribution/Compat/Directory.hs Distribution/Compat/Exception.hs Distribution/Compat/Map.hs Distribution/Compat/RawSystem.hs Distribution/Compat/ReadP.hs Distribution/Compat/TempFile.hs Distribution/Compiler.hs Distribution/GetOpt.hs Distribution/InstalledPackageInfo.hs Distribution/License.hs Distribution/Package.hs Distribution/ParseUtils.hs Distribution/Simple/Program.hs Distribution/Simple/Utils.hs Distribution/System.hs Distribution/Verbosity.hs Distribution/Version.hs Language/Haskell/Extension.hs System/FilePath.hs System/FilePath/Posix.hs System/FilePath/Windows.hs Trace/Hpc/Mix.hs Trace/Hpc/Tix.hs Trace/Hpc/Util.hs
>> <<ghc: 36490248 bytes, 5 GCs, 130248/130248 avg/max bytes residency (1 samples), 16M in use, 0.01 INIT (0.01 elapsed), 0.22 MUT (4.47 elapsed), 0.06 GC (0.43 elapsed) :ghc>>
>> make all
>> /usr/local/bin/ghc -H16m -O -w -I. -Iinclude -Rghc-timing  -ignore-package Cabal -ignore-package filepath -I../libraries -fglasgow-exts -no-recomp    -c System/FilePath/Posix.hs -o System/FilePath/Posix.o  -ohi System/FilePath/Posix.hi
>> gcc: unrecognized option '-no-cpp-precomp'
>>
>> /var/folders/CT/CTQA-fMz2RWZwk+BYmhr7U++-Eg/-Tmp-//ghc64877_0/ghc64877_0.s:6606:0:
>>     section difference relocatable subtraction expression, "_s2tx_0_alt" minus "_s2tx_info" using a symbol at the end of section will not produce an assembly time constant
>>
>> /var/folders/CT/CTQA-fMz2RWZwk+BYmhr7U++-Eg/-Tmp-//ghc64877_0/ghc64877_0.s:6606:0:
>>     use a symbol with a constant value created with an assignment instead of the expression, L_const_sym = _s2tx_0_alt - _s2tx_info

Someone has to dig into the .s file and figure out what is wrong.  Also, 
you could try debugging a crashing binary using the instructions in

http://hackage.haskell.org/trac/ghc/wiki/DebuggingGhcCrashes

I doubt there's an easy way around this, someone really needs to get their 
hands dirty.

Cheers,
	Simon