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On 10/21/2009 10:38 AM, Samuel Thibault wrote:
> Pavan Balaji, le Wed 21 Oct 2009 10:36:33 -0500, a écrit :
>> On 10/21/2009 10:28 AM, Samuel Thibault wrote:
>>> Pavan Balaji, le Wed 21 Oct 2009 09:55:36 -0500, a écrit :
>>>> 1. I see a AC_PROG_CC_C99 in the configure.ac. Do you require the
>>>> compiler to be C99 capable always?
>>> No, we ended up using constructs which should pass c90 and the compilers
>>> we have tested (aix, solaris, icc).
>> So shouldn't the AC_PROG_CC_C99 be gotten rid of?
> No because when C99 is available, we enable some optimization features,
> like __hwloc_restrict.
It looks like __hwloc_restrict is not actually checking for C99, but
instead doing something GNU specific:
#if (__GNUC__ > 2 || (__GNUC__ == 2 && __GNUC_MINOR__ >= 95))
# define __hwloc_restrict __restrict
# if __STDC_VERSION__ >= 199901L
# define __hwloc_restrict restrict
# define __hwloc_restrict
Wouldn't it be better to add a feature test for restrict, instead of this?