[squid-dev] [PATCH] Fix libatomic detection

[Kinkie]

Hi,

On Mon, Dec 28, 2015 at 1:32 AM, Amos Jeffries <squid3 at treenet.co.nz> wrote:
> On 24/12/2015 11:32 a.m., Kinkie wrote:
>> Hi,
>>   libatomic detection is currently broken in configure.ac; it will
>> define -latomic even in case where it wouldn't be required (e.g.
>> because it's already provided by the compiler).
>> The attached patch fixes the broken case. Unfortunately I don't know a
>> system where this library is required, I'm convinced there's room for
>> further simplification.
>
> It was for Clang builds IIRC. At least 3.5 needs it added.
>
> Does this work instead for shorter code?
>   AC_SEARCH_LIBS([__atomic_load_8],[atomic],[
>     ATOMICLIB="$ac_cv_search___atomic_load_8"
>   ],[])

unfortunately not, as the result could be "none required" or "no",
too. The former is actually the error case which bought me to the
topic.
Documentation states that if a library is needed it should get
automatically added to LIBS though.


-- 
    Francesco