[m-rev.] for review: port Mercury to MacOS X 10.6

[Ian MacLarty]

On Sat, Oct 10, 2009 at 8:01 PM, Julien Fischer
<juliensf at csse.unimelb.edu.au> wrote:
>
> Hi Ian,
>
> On Sat, 10 Oct 2009, Ian MacLarty wrote:
>
>> I've been testing this change on saturn and my change to
>> mercury_event_scanner.l is causing problems.  The problem is that on
>> saturn flex is generating
>>
>> int mercury_event_get_leng (void );
>>
>> and on Mac OS it's generating:
>>
>> yy_size_t mercury_event_get_leng (void );
>>
>> even though they are both using exactly the same version of flex (2.5.35).
>>
>> The comments above the declaration of mercury_event_get_leng in
>> mercury_event_scanner.l say:
>>
>> ** Add the declarations for local functions that flex is too lazy to add.
>>
>> however flex 2.5.35 *is* generating declarations for these functions
>> in mercury_event_scanner.c.
>
> Although on Linux (both 32- and 64-bit) the return type of
> mercury_event_get_leng() is an int, not yy_size_t (which is an unsigned
> int.)
>
>> Shall I remove the declaration in mercury_event_scanner.l or can
>> someone suggest an alternative fix?
>
> The simplest fix is to remove the declaration; it will cause a bit of noise
> during compilation but that's preferable to things not working.  The
> problem should eventually go away as older versions of flex are replaced.
>

Okay, I'll do that.

Cheers,
Ian.

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