porting ghc-6.4 to x86_64
simonmar at microsoft.com
Tue Mar 22 04:38:20 EST 2005
On 22 March 2005 09:24, Andrei A. Voropaev wrote:
> On Tue, Mar 22, 2005 at 10:06:13AM +0100, Andrei A. Voropaev wrote:
>> On Mon, Mar 21, 2005 at 02:20:25PM -0000, Simon Marlow wrote:
>>>>> Did you copy across ghc/includes/DerivedConstants.h and
>>>>> ghc/includes/GHCConstants.h from the target to the host? I think
>>>>> that should fix the above error (the docs do say you have to do
>>>>> this, so perhaps it's something else).
>>>> Sure enough I did. As I said, I carefully followed the
>>>> instructions. I repeated the whole process 3 times to make sure I
>>>> didn't forget something :)
>>> So could you check the values of SIZEOF_VOID_P (in ghcautoconf.h)
>>> and SIZEOF_mp_limb_t (in DerivedConstants.h)? They should both be
>>> 8 in the versions of these files copied from the target.
>> Aha. The values are different. Carefull watching of the
>> DerivedConstants.h showed that it was overwritten when I did 'cd
>> H/ghc && make boot'. And yes, I did touch of all the copied files.
> Even worse. This file gets overwritten on subsequent steps as well.
> So, my attempts to copy the correct one from the T machine again and
> again fail.
Ok, looks like I need to update the instructions. Does this sequence
- cd H/ghc/includes && make boot
- copy files from T/ghc/includes to H/ghc/includes
- touch the files
- cd H/ghc/includes && make <<-- should do nothing now
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