Alex, I think that deal.II picks the compiler correctly but it looks like the stl library is too old. What version of libstdc++ is installed on the system?
Best, Bruno Le ven. 21 mai 2021 à 13:41, Alex Cumberworth <alexandercumberwo...@gmail.com> a écrit : > > Hi Bruno, > > From the output when I run a fresh configuration: > > -- The CXX compiler identification is GNU 9.3.0 > -- The C compiler identification is GNU 9.3.0 > -- Check for working CXX compiler: /opt/ohpc/pub/compiler/gcc/9.3.0/bin/c++ > -- Check for working CXX compiler: /opt/ohpc/pub/compiler/gcc/9.3.0/bin/c++ > -- works > -- Detecting CXX compiler ABI info > -- Detecting CXX compiler ABI info - done > -- Detecting CXX compile features > -- Detecting CXX compile features - done > > and then bit further down > > -- Include > /home/ipausers/cumberworth/src/dealii-9.2.0/cmake/checks/check_01_cxx_features.cmake > -- Performing Test DEAL_II_HAVE_FLAG_stdcxx17 > -- Performing Test DEAL_II_HAVE_FLAG_stdcxx17 - Success > -- Using C++ version flag "-std=c++17" > -- Performing Test DEAL_II_HAVE_CXX17_ATTRIBUTES > -- Performing Test DEAL_II_HAVE_CXX17_ATTRIBUTES - Failed > -- Performing Test DEAL_II_HAVE_CXX17_IF_CONSTEXPR > -- Performing Test DEAL_II_HAVE_CXX17_IF_CONSTEXPR - Success > -- Performing Test DEAL_II_NON_CONSTEXPR_LAMBDA > -- Performing Test DEAL_II_NON_CONSTEXPR_LAMBDA - Failed > -- Performing Test DEAL_II_HAVE_FLAG_stdcxx14 > -- Performing Test DEAL_II_HAVE_FLAG_stdcxx14 - Success > -- Performing Test DEAL_II_HAVE_CXX14_MAKE_UNIQUE > -- Performing Test DEAL_II_HAVE_CXX14_MAKE_UNIQUE - Failed > -- Performing Test DEAL_II_HAVE_CXX14_CONSTEXPR_STDMAXMIN > -- Performing Test DEAL_II_HAVE_CXX14_CONSTEXPR_STDMAXMIN - Failed > -- Performing Test DEAL_II_HAVE_CXX14_CLANGAUTODEBUG_BUG_OK > -- Performing Test DEAL_II_HAVE_CXX14_CLANGAUTODEBUG_BUG_OK - Success > -- Performing Test DEAL_II_HAVE_FLAG_stdcxx11 > -- Performing Test DEAL_II_HAVE_FLAG_stdcxx11 - Success > -- Performing Test DEAL_II_HAVE_CXX11_FEATURES > -- Performing Test DEAL_II_HAVE_CXX11_FEATURES - Failed > -- Performing Test DEAL_II_HAVE_CXX11_FUNCTIONAL_LLVMBUG20084_OK > -- Performing Test DEAL_II_HAVE_CXX11_FUNCTIONAL_LLVMBUG20084_OK - Failed > -- Performing Test DEAL_II_HAVE_CXX11_MACOSXC99BUG_OK > -- Performing Test DEAL_II_HAVE_CXX11_MACOSXC99BUG_OK - Success > -- Performing Test DEAL_II_HAVE_CXX11_ICCNUMERICLIMITSBUG_OK > -- Performing Test DEAL_II_HAVE_CXX11_ICCNUMERICLIMITSBUG_OK - Success > -- Performing Test DEAL_II_HAVE_CXX11_ICCLIBSTDCPP47CXX11BUG_OK > -- Performing Test DEAL_II_HAVE_CXX11_ICCLIBSTDCPP47CXX11BUG_OK - Success > CMake Error at cmake/checks/check_01_cxx_features.cmake:472 (MESSAGE): > > Alex > > On Friday, May 21, 2021 at 7:35:16 p.m. UTC+2 bruno.t...@gmail.com wrote: >> >> Alex, >> >> Can you check that deal.II pick up the right compiler? It should be printed >> on your screen. You don't need to specify DEAL_II_CXX_VERSION_FLAG when >> using gcc. >> >> Best, >> >> Bruno >> >> On Friday, May 21, 2021 at 1:03:13 PM UTC-4 alexanderc...@gmail.com wrote: >>> >>> Hello, >>> >>> I am trying to compile deal.II, version 9.2, on CentOS 8.3.2011 (the last >>> version). I have gcc 9.3.0, which is relatively recent. However, when I run >>> cmake, I end up with the following message: >>> >>> The current combination of compiler and C++ version flag is missing some >>> features of the C++11 version of the language necessary for compiling >>> deal.II. Please ensure that the CMake variable DEAL_II_CXX_VERSION_FLAG >>> is >>> set to the correct flag to enable C++11 support; if it is already set and >>> you still see this message then you will need to upgrade your compiler. >>> >>> I don't really see how this can be, as this version of the compiler fully >>> supports C++11. I also tried setting the flag DEAL_II_CXX_VERSION_FLAG, but >>> using valid standard specifiers just results in errors like "The supplied >>> flag "c++11" was not recognized by the compiler." To be clear, I ran >>> >>> cmake .. -DDEAL_II_CXX_VERSION_FLAG=c++11 >>> >>> The version of cmake is 3.11.4. >>> >>> Any thoughts would be greatly appreciated. >>> >>> Alex > > -- > The deal.II project is located at http://www.dealii.org/ > For mailing list/forum options, see > https://groups.google.com/d/forum/dealii?hl=en > --- > You received this message because you are subscribed to a topic in the Google > Groups "deal.II User Group" group. > To unsubscribe from this topic, visit > https://groups.google.com/d/topic/dealii/3_Tr8HLd7UM/unsubscribe. > To unsubscribe from this group and all its topics, send an email to > dealii+unsubscr...@googlegroups.com. > To view this discussion on the web visit > https://groups.google.com/d/msgid/dealii/8e4425ff-c296-4753-8f4d-f37668306373n%40googlegroups.com. -- The deal.II project is located at http://www.dealii.org/ For mailing list/forum options, see https://groups.google.com/d/forum/dealii?hl=en --- You received this message because you are subscribed to the Google Groups "deal.II User Group" group. 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