[Mono-dev] SGEN support when cross compiling

[Rodrigo Kumpera]

All this means is that the managed allocators won't be used.


On Mon, Aug 26, 2013 at 8:07 PM, Bassam Tabbara <bassam at symform.com> wrote:

>  I tried that and I run into the following error when I run mono:
>
>  sgen is not supported when using --with-tls=pthread
>
>  Looking at the code here:
>
>  https://github.com/mono/mono/blob/master/mono/metadata/sgen-gc.h#L990
>
>  Seems like pthread is only supported on darwin and windows. I'm cross
> compiling to linux with with-tls=pthread.
>
>   From: Rodrigo Kumpera <kumpera at gmail.com>
> Date: Monday, August 26, 2013 5:01 PM
>
> To: Bassam Tabbara <bassam at symform.com>
> Cc: "mono-devel-list at lists.ximian.com" <mono-devel-list at lists.ximian.com>
> Subject: Re: [Mono-dev] SGEN support when cross compiling
>
>   Configure with --thread=pthread
>
>
> On Mon, Aug 26, 2013 at 7:36 PM, Bassam Tabbara <bassam at symform.com>wrote:
>
>>  Thanks Rodrigo. Is there a trick then to bypass the __thread check
>> during configuration?
>>
>>  ./configure --host=armv5te-unknown-linux-gnueabi
>>
>>  Fails with:
>>
>>  configure: error: cannot run test program while cross compiling
>>
>>  I worked around it with the following:
>>
>>
>> https://github.com/symform/mono/commit/fe5c582a1a2d241f368c86081b3cb7ea53994f51
>>
>>  Do others not see this?
>>
>>   From: Rodrigo Kumpera <kumpera at gmail.com>
>> Date: Monday, August 26, 2013 4:30 PM
>> To: Bassam Tabbara <bassam at symform.com>
>> Cc: "mono-devel-list at lists.ximian.com" <mono-devel-list at lists.ximian.com>
>> Subject: Re: [Mono-dev] SGEN support when cross compiling
>>
>>   sgen works fine on ARM and so does cross compiling to it.
>>
>>
>> On Mon, Aug 26, 2013 at 6:19 PM, Bassam Tabbara <bassam at symform.com>wrote:
>>
>>>  Hello,
>>>
>>>  I'm working in mono master, and it looks like sgen is not support when
>>> cross compiling. Sgen requiren with-tls=__thread and during configuration a
>>> check is made if __thread is functioning and that fails with the following
>>> error when cross compiling:
>>>
>>>  configure: error: cannot run test program while cross compiling
>>> [
>>>
>>>  I can work around this but disable the check during configuration, but
>>> I'm now wondering whether anyone is using sgen on ARM platforms? Are you
>>> cross compiling for those platforms? I must be missing something simple
>>> here.
>>>
>>>  Thanks!
>>>  Bassam
>>>
>>> _______________________________________________
>>> Mono-devel-list mailing list
>>> Mono-devel-list at lists.ximian.com
>>> http://lists.ximian.com/mailman/listinfo/mono-devel-list
>>>
>>>
>>
>
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