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
