Re: [BUG] [PATCH] Undefined symbols: "_posix_memalign" on Mac OS X

[Jens Axboe <jaxboe@xxxxxxxxxxxx>]

On 2011-04-23 12:06, Bruce Cran wrote:
> On Sat, 23 Apr 2011 05:57:26 +0200
> Filip Sneppe <filip.sneppe@xxxxxxxxx> wrote:
>  
>> (I am not subscribed to this list, nor am I a Unix developer).
>>
>> I wanted to give fio a try on my OS X 10.5.8 machine, but
>> this is the error I received when compiling:
>>
>>     CC helpers.o
>>     CC engines/posixaio.o
>>     DEP depend
>>     CC fio
>> Undefined symbols:
>>   "_posix_memalign", referenced from:
>>       _thread_main in fio.o
>> ld: symbol(s) not found
>> collect2: ld returned 1 exit status
>> make: *** [fio] Error 1
>>
>> After some googling, I learned that OS X doesn't
>> provide _posix_memalign, and that apparently it's not
>> needed on this platform. I "fixed" my compile problem with the
>> attached patch. You may find it useful to write a better fix for this.
> 
> I think Apple have added it in 10.6, but obviously fio needs to run on
> older versions too.

Solaris has a helper, too. Does 10.6 have memalign or another
alternative function?

-- 
Jens Axboe

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