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Re: libgmp: duplicate symbol
On 14.12.12 16:41, Christoph Egger wrote:
>>On 14.12.12 14:46, David Laight wrote:
>>> On Fri, Dec 14, 2012 at 11:11:16AM +0100, Christoph Egger wrote:
>>>>> On Thu, Dec 13, 2012 at 09:42:29PM +0100, Christoph Egger wrote:
>>>>>> Do you think upstream would accept this?
>>>>> Ask them?
>>>> #ifdef __GNUC__
>>>> -#if (defined __GNUC_STDC_INLINE__) || (__GNUC__ == 4&& __GNUC_MINOR__ ==
>>>> +#if (defined __GNUC_STDC_INLINE__) || \
>>>> + (__GNUC__ == 4 && __GNUC_MINOR__>= 2) || (__GNUC__> 4)
>>> Isn't there a define that is (__GNUC__ * 1000 + __GNUC_MINOR__) ?
>>> or similar - for those sorts of checks.
> __GNUC_PREREQ__(M, m)
This is not a compiler-define. We define it ourself in sys/sys/cdefs.h.
Using __GNUC_PREREQ__ and building a toolchain on OSX fails in libgmp's
checking size of mp_limb_t... 0
configure: error: Oops, mp_limb_t doesn't seem to work
But using compiler-define's above only work.
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