[racket-dev] Compile racket without native compare-and-swap support?

From: Juan Francisco Cantero Hurtado (iam at juanfra.info)
Date: Tue Apr 29 18:21:10 EDT 2014

On 04/28/14 21:13, Matthew Flatt wrote:
> Sorry --- I now see that `--enable-pthread` is forced for OpenBSD. I
> think it should be on by default, but not actually forced, so I've made
> that repair.
> More to the point, I've pushed a repair so that CAS is attempted only
> when futures or places are enabled.

I've compiled racket 6.0 with both patches. Now I see another 
(unrelated) problem:

setjmpup.c: In function 'scheme_uncopy_stack'
setjmpup.c:358: error: 'struct Scheme_Cont' has no member named 'buf'


> At Mon, 28 Apr 2014 20:45:35 +0200, Juan Francisco Cantero Hurtado wrote:
>> On 04/28/14 20:08, Matthew Flatt wrote:
>>> I think `--enable-pthread` is triggering the attempt to use CAS. Can
>>> you leave that one out?
>> I tried without enable-pthread. I see the same problem
>> http://juanfra.info/bl/racket-2014/racket-6.0-2.log
>>> At Mon, 28 Apr 2014 19:59:10 +0200, Juan Francisco Cantero Hurtado wrote:
>>>> On 04/28/14 01:03, Matthew Flatt wrote:
>>>>> At Mon, 28 Apr 2014 00:58:48 +0200, Juan Francisco Cantero Hurtado wrote:
>>>>>> I'm trying to compile Racket 6.0 on OpenBSD/hppa but the compilation
>>>>>> fails because there is not support for CAS on OpenBSD/hppa. Is it
>>>>>> possible compile racket on platforms without atomic CAS?.
>>>>> Does it help to use
>>>>>     --disable-places --disable-futures
>>>>> as arguments to `configure`?
>>>> No, I use always both arguments because we don't have support for tls on
>>>> OpenBSD. Here is the log of the build:
>>>> http://juanfra.info/bl/racket-2014/racket-6.0.log

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