[m-users.] Mercury on ARM

[Tycho Luyben]

Mgnuc is compiling with no-ansi right? So that's correct then.
On Jun 5, 2013 7:10 AM, "Julien Fischer" <jfischer at opturion.com> wrote:

> On Wed, 5 Jun 2013, Julien Fischer wrote:
>
>  On Tue, 4 Jun 2013, Tycho Luyben wrote:
>>
>>  stack_t is defined in linux/signal.h while it includes signal.h ;
>>> you're not supposed to include linux/signal.h at all I think. By just
>>> copy/pasting the stack_t definition into mercury_signal.h it compiles
>>> again, but then drops out on missing siginfo_t. That means i'm stuck
>>> as siginfo seems to be huge *and* seems to be included from signal.h
>>> and yet it cannot find it. Any ideas?
>>>
>>
>> There is a more general problem on Linux here (i.e not restricted to the
>> arm-unknown-linux-gnueabi architecture).  On my
>> x86_64-unknown-linux-gnu box (Ubuntu 12.04), compiling the following
>> program with gcc is fine:
>>
>>   #include <ucontext.h>
>>   int main(void) { return 0; }
>>
>> whereas compiling it via the mgnuc script results in error message
>> about stack_t not being defined.  So, there seems to be some issue
>> with the header files (or how Mercury is using them) on some Linux
>> systems and / or with how the mgnuc script is invoking gcc.
>>
>> I will take a look into this.
>>
>
> The above is down to mgnuc's use of GCC's -ansi option.  However,
> Mercury's runtime should be compiled with mgnuc's --no-ansi (which
> should disable the use of GCC's -ansi) option enabled.
>
> Cheers,
> Julien.
>
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