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Date: Fri, 14 Mar 2014 12:57:59 +0200
From: Valentin Popa <valentin.popa@intel.com>
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To: Khem Raj <raj.khem@gmail.com>, Saul Wold <sgw@linux.intel.com>
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Cc: Patches and discussions about the oe-core layer
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Subject: Re: [PATCH] Set ac_cv_sizeof_ssize_t
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On 03/14/2014 12:10 PM, Khem Raj wrote:
> On Fri, Mar 14, 2014 at 12:40 AM, Saul Wold <sgw@linux.intel.com> wrote:
>> On 03/13/2014 04:28 AM, Valentin Popa wrote:
>>> Set ac_cv_sizeof_ssize_t for mips64;
>>> mips-common will not overwrite it.
>>>
>> This really needed a little more about "why" this change is needed.
>>
> ssize_t is a posix define which is architecture specific whose value
> is signed size_t, glibc/uclibc for mips64/n64 linux platform defines
> it to be equivalent of 'long' and long here is 8bytes because
> mips64/n64 follows LP64 model. In OpenEmbedded our default ABI for
> mips64 platforms is N64, having said that autoconf decides to poke at
> the platform for finding these kind of sizes which fails when you are
> doing cross compiling hence we have to cache it.
     Thanks for the explanation Khem!
>
>> Sau!
>>
>>
>>> [YOCTO #5935]
>>>
>>> Signed-off-by: Valentin Popa <valentin.popa@intel.com>
>>> ---
>>>    meta/site/mips64-linux | 1 +
>>>    1 file changed, 1 insertion(+)
>>>
>>> diff --git a/meta/site/mips64-linux b/meta/site/mips64-linux
>>> index 4449c96..ed0fbbe 100644
>>> --- a/meta/site/mips64-linux
>>> +++ b/meta/site/mips64-linux
>>> @@ -35,6 +35,7 @@
>>> glib_cv_use_pid_surrogate=${glib_cv_use_pid_surrogate=yes}
>>>    ac_cv_alignof_guint32=4
>>>    ac_cv_alignof_guint64=8
>>>    ac_cv_alignof_unsigned_long=8
>>> +ac_cv_sizeof_ssize_t=8
>>>
>>>    # libpcap
>>>    ac_cv_linux_vers=${ac_cv_linux_vers=2}
>>>
>> --
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