[x265] [PATCH] cmake: switch to c++11 for Clang and GCC

[Michael Lackner]

Actually, I compiled x265 2.4+2 just yesterday using GCC 6.2.0 on Linux, and I had it set
to '-std=c++11'. It compiled and ran just fine doing a quick test run with some 1080p content.

On a side note: Also worked just fine with clang/llvm 3.9.1 on FreeBSD 10.3 UNIX,
currently encoding 4K/UHD stuff.

On 04/25/2017 04:43 PM, Stephen Hutchinson wrote:
> On 4/25/2017 4:25 AM, Mateusz Brzostek wrote:
>> After tests with GCC from 4.8 to 8.0 I think it is OK to change to c++11 from c++98 (for
>> -DENABLE_DYNAMIC_HDR10=ON and OFF).
>>
>> Selur (Hybrid author) wrote that for Clang it should be c++11 instead of gnu++11, so we
>> can set for Clang c++11, for GCC gnu++11.
>>
>> Please review.
>>
> 
> Something that's been on my mind since the discussion around
> the -std= being set started is: is x265 even using the GNU
> extensions that require setting gnu++* variants as the -std?
> Or is it just being set like that because it's GCC?
> 
> If GCC-specific stuff isn't being used, or if Clang is tolerant
> enough of any GNU extensions that are used, you could just set
> it as -std=c++11 for both Clang and GCC and not have to branch.

-- 
Michael Lackner
Lehrstuhl für Informationstechnologie (CiT)
Montanuniversität Leoben
Tel.: +43 (0)3842/402-1505 | Mail: michael.lackner at unileoben.ac.at
Fax.: +43 (0)3842/402-1502 | Web: http://institute.unileoben.ac.at/infotech