Dear Marcel,

Oh, I slipped to remind the exist of launchpad... Thanks!
at least, gcc-6.2.0 seems to be available for 12.04.

Regards,
mpsuzuki

Marcel Loose wrote:
> Hi Suzuki,
> 
> Sorry for chiming in late, but you may want to try the PPA for Ubuntu
> Toolchain test builds, which contains compiler builds up to gcc-8 for
> Ubuntu version as old as 10.04. Much less of a hassle than building GCC
> yourself, I can tell from experience. Check out
> https://launchpad.net/~ubuntu-toolchain-r/+archive/ubuntu/test
> 
> Cheers,
> Marcel.
> 
> 
> On 05/04/18 07:29, suzuki toshiya wrote:
>> Sorry for bothering subscribers for posting about C++11 environment
>> instead of cmake itself. Now I understand building gcc >= 4.8.5
>> manually might be easier, in comparison with the quest of libc++
>> for clang-3.4.
>>
>> https://stackoverflow.com/questions/39332406/install-libc-on-ubuntu
>>
>> Regards,
>> mpsuzuki
>>
>> suzuki toshiya wrote:
>>> Dear Bo Zhou,
>>>
>>> Sorry, I've confirmed by myself.
>>> By default, clang-3.4 for Ubuntu prioritizes old g++ header files, and clang
>>> header files are searched as a fallback.
>>> I can customize the searching order by -nostdinc++...
>>>
>>> Regards,
>>> mpsuzuki
>>>
>>> suzuki toshiya wrote:
>>>> Dear Bo Zhou,
>>>>
>>>> Thank you for prompt reply.
>>>>
>>>>> Be aware that GCC suite actually is independent from the libstdc++, so if 
>>>>> you have a newer compiler, the compiler might still pick the older 
>>>>> libstdc++ without the new API.
>>>> Oh, so, even if I installed clang-3.4, still it uses older (maybe C++03)
>>>> libraries are referred by it?
>>>>
>>>> Regards,
>>>> mpsuzuki
>>>>
>>>> Bo Zhou wrote:
>>>>> The emplace() is new API from C++11.
>>>>>
>>>>> Be aware that GCC suite actually is independent from the libstdc++, so if 
>>>>> you have a newer compiler, the compiler might still pick the older 
>>>>> libstdc++ without the new API.
>>>>>
>>>>> This issue doesn't exist at Windows, since Visual Studio is a complete 
>>>>> sytem.
>>>>>
>>>>> This issue happens on OSX also, so user must give the compiler a proper 
>>>>> MacOS SDK for the new header files etc.
>>>>>
>>>>> On Thu, Apr 5, 2018 at 1:33 PM, suzuki toshiya 
>>>>> <mpsuz...@hiroshima-u.ac.jp<mailto:mpsuz...@hiroshima-u.ac.jp>> wrote:
>>>>> $ clang++ --version
>>>>> Ubuntu clang version 3.4-1ubuntu3~precise2 (tags/RELEASE_34/final) (based 
>>>>> on
>>>>> LLVM 3.4)
>>>>> Target: x86_64-pc-linux-gnu
>>>>> Thread model: posix
>>>>>
>>>>> But I got following abort:
>>>>>
>>>>> cmake-3.11.0/Source/cmLocalGenerator.cxx:553:36: error: no member named 
>>>>> 'emplace' in
>>>>>       'std::unordered_map<std::basic_string<char>, cmGeneratorTarget *,
>>>>> std::hash<string>, std::equal_to<std::basic_string<char> >,
>>>>>       std::allocator<std::pair<const std::basic_string<char>, 
>>>>> cmGeneratorTarget
>>>>> *> > >'
>>>>>   this->GeneratorTargetSearchIndex.emplace(gt->GetName(), gt);
>>>>>   ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ^
>>>>>
>>>>> Grrrr.... X-D
>>>>>
>>>>> Regards,
>>>>> mpsuzuki
>>>>>
>>>>> suzuki toshiya wrote:
>>>>>> Dear Bo Zhou,
>>>>>>
>>>>>> Thank you for the info! Now I'm checking Ubuntu 12.04 in LXC.
>>>>>> So, gcc-4.8.5 or later would be needed for C++11, it seems that the last 
>>>>>> version
>>>>>> of gcc officially provided for Ubuntu-12 was 4.7. oh.
>>>>>> According to https://clang.llvm.org/cxx_status.html , clang-3.3 supports 
>>>>>> C++11,
>>>>>> and the last version of clang officially provided for Ubuntu-12 was 3.4. 
>>>>>> ooh.
>>>>>> I will check if clang-3.4 for Ubuntu-12.04 can compile cmake (or any 
>>>>>> other
>>>>>> dependency problems would arise).
>>>>>>
>>>>>>> Usually the ABI is not the problem but the libstdc++, you can use a old 
>>>>>>> Ubuntu with old libstdc++ but build CMake with new compiler and make 
>>>>>>> sure it links with old libstdc++. This is the trick.
>>>>>> Indeed.
>>>>>>
>>>>>> Regards,
>>>>>> mpsuzuki
>>>>>>
>>>>>> Bo Zhou wrote:
>>>>>>> The latest CMake requires C++11 compiler, so what you need is just a 
>>>>>>> newer GCC which supports C++11 at your platform, that's it.
>>>>>>>
>>>>>>> Usually the ABI is not the problem but the libstdc++, you can use a old 
>>>>>>> Ubuntu with old libstdc++ but build CMake with new compiler and make 
>>>>>>> sure it links with old libstdc++. This is the trick.
>>>>>>>
>>>>>>> I don't know how to do this on Ubuntu, but on CentOS, it's possible to 
>>>>>>> build CMake in that way, so the CMake would be portable at older CentOS 
>>>>>>> platform with old libstdc++ .
>>>>>>>
>>>>>>> Good luck.
>>>>>>>
>>>>>>> On Thu, Apr 5, 2018 at 12:23 PM, Eric Wing 
>>>>>>> <ewmail...@gmail.com<mailto:ewmail...@gmail.com><mailto:ewmail...@gmail.com<mailto:ewmail...@gmail.com>>>
>>>>>>>  wrote:
>>>>>>> I just discovered that CMake no longer builds on my Ubuntu 12.04. I
>>>>>>> need to build binaries that are compatible with that ABI.
>>>>>>>
>>>>>>> I see that your binary distribution of CMake 3.11 still works on
>>>>>>> Ubuntu 12.04. Can you tell me what you do to achieve this? What are
>>>>>>> you doing for your official builds?
>>>>>>>
>>>>>>> Are you just using -static-libstdc++ -static-libgcc for
>>>>>>> CMAKE_CXX_FLAGS, or is there more?
>>>>>>>
>>>>>>> (I just noticed that ldd shows that you don't have dependencies on
>>>>>>> libssl, libcrypto, and libz, whereas I do.)
>>>>>>>
>>>>>>> Thanks,
>>>>>>> Eric
>>>>>>> --
>>>>>>>
>>>>>>> Powered by 
>>>>>>> www.kitware.com<http://www.kitware.com><http://www.kitware.com>
>>>>>>>
>>>>>>> Please keep messages on-topic and check the CMake FAQ at: 
>>>>>>> http://www.cmake.org/Wiki/CMake_FAQ
>>>>>>>
>>>>>>> Kitware offers various services to support the CMake community. For 
>>>>>>> more information on each offering, please visit:
>>>>>>>
>>>>>>> CMake Support: http://cmake.org/cmake/help/support.html
>>>>>>> CMake Consulting: http://cmake.org/cmake/help/consulting.html
>>>>>>> CMake Training Courses: http://cmake.org/cmake/help/training.html
>>>>>>>
>>>>>>> Visit other Kitware open-source projects at 
>>>>>>> http://www.kitware.com/opensource/opensource.html
>>>>>>>
>>>>>>> Follow this link to subscribe/unsubscribe:
>>>>>>> https://cmake.org/mailman/listinfo/cmake
>>>>>>>
>>>>>>>
>>>>>>>
>>>>> --
>>>>>
>>>>> Powered by www.kitware.com<http://www.kitware.com>
>>>>>
>>>>> Please keep messages on-topic and check the CMake FAQ at: 
>>>>> http://www.cmake.org/Wiki/CMake_FAQ
>>>>>
>>>>> Kitware offers various services to support the CMake community. For more 
>>>>> information on each offering, please visit:
>>>>>
>>>>> CMake Support: http://cmake.org/cmake/help/support.html
>>>>> CMake Consulting: http://cmake.org/cmake/help/consulting.html
>>>>> CMake Training Courses: http://cmake.org/cmake/help/training.html
>>>>>
>>>>> Visit other Kitware open-source projects at 
>>>>> http://www.kitware.com/opensource/opensource.html
>>>>>
>>>>> Follow this link to subscribe/unsubscribe:
>>>>> https://cmake.org/mailman/listinfo/cmake
>>>>>
>>>>>
> 

-- 

Powered by www.kitware.com

Please keep messages on-topic and check the CMake FAQ at: 
http://www.cmake.org/Wiki/CMake_FAQ

Kitware offers various services to support the CMake community. For more 
information on each offering, please visit:

CMake Support: http://cmake.org/cmake/help/support.html
CMake Consulting: http://cmake.org/cmake/help/consulting.html
CMake Training Courses: http://cmake.org/cmake/help/training.html

Visit other Kitware open-source projects at 
http://www.kitware.com/opensource/opensource.html

Follow this link to subscribe/unsubscribe:
https://cmake.org/mailman/listinfo/cmake

Reply via email to