Alex, How did you install your compiler? You should not need to set these paths yourself.
Best, Bruno Le mer. 26 mai 2021 à 13:17, Alex Cumberworth <alexandercumberwo...@gmail.com> a écrit : > > It seems that the issues stem from not setting the include directories > properly. Even with CPATH, C_INCLUDE_PATH, and CPLUS_INCLUDE_PATH set as I > mentioned in my previous response, I am running into errors. The compilation > proceeds for a while, but then at some point when cmath is included, it fails > to find math.h, > > [ 42%] Building CXX object > source/sundials/CMakeFiles/obj_sundials_release.dir/arkode.cc.o > > In file included from > /home/ipausers/cumberworth/src/dealii-9.2.0/include/deal.II/base/numbers.h:28, > from > /home/ipausers/cumberworth/src/dealii-9.2.0/build/include/deal.II/base/config.h:449, > from > /home/ipausers/cumberworth/src/dealii-9.2.0/source/sundials/arkode.cc:17: > /opt/ohpc/pub/compiler/gcc/9.3.0/include/c++/9.3.0/cmath:45:15: fatal error: > math.h: No such file or directory > 45 | #include_next <math.h> > | ^~~~~~~~ > compilation terminated. > > If I use make VERBOSE=1, I can manually modify the command to include > > -isystem /opt/ohpc/pub/compiler/gcc/9.3.0/include/c++/9.3.0 > > which solves that issue, but I don't know how to add this during > configuration. I tried setting > > CMAKE_CXX_FLAGS_DEBUGRELEASE -isystem > /opt/ohpc/pub/compiler/gcc/9.3.0/include/c++/9.3.0 > > But it seems to put the flag in the wrong order, as it still is unable to > find math.h. > > In compiling a later file, it is unable to find the sacado header file, > although it exists on the system and cmake seemed to indicate it had found > the headers. I have set > > SACADO_CONFIG_H > /opt/ohpc/pub/libs/gnu9/mpich/trilinos/13.0.0/include > SACADO_TRAD_HPP > /opt/ohpc/pub/libs/gnu9/mpich/trilinos/13.0.0/include > > but this doesn't work. > > In file included from > /home/ipausers/cumberworth/src/dealii-9.2.0/build/include/deal.II/base/config.h:449, > from > /home/ipausers/cumberworth/src/dealii-9.2.0/include/deal.II/base/exceptions.h:19, > from > /home/ipausers/cumberworth/src/dealii-9.2.0/source/dofs/dof_objects.cc:16: > /home/ipausers/cumberworth/src/dealii-9.2.0/include/deal.II/base/numbers.h:151:12: > fatal error: Sacado.hpp: No such file or directory > 151 | # include <Sacado.hpp> > | ^~~~~~~~~~~~ > compilation terminated. > > Again, I can set > > -I/opt/ohpc/pub/libs/gnu9/mpich/trilinos/13.0.0/include > > to compile, but then there are still further issues with other headers not > being found. > > Best, > > Alex > On Monday, May 24, 2021 at 5:22:57 p.m. UTC+2 Wolfgang Bangerth wrote: >> >> On 5/21/21 11:03 AM, Alex Cumberworth wrote: >> > >> > 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 >> >> Try >> cmake .. -DDEAL_II_CXX_VERSION_FLAG="-std=c++11" >> or >> cmake .. -DDEAL_II_CXX_VERSION_FLAG=-std=c++11 >> and see whether that works. >> >> GCC 9.2 is new enough so that it should work. There is probably something >> else >> that doesn't work, and you can find out what that is by looking at >> CMakeFiles/CMakeOutput.log >> CMakeFiles/CMakeError.log >> >> These files are lengthy, so it may take a bit of searching for the place >> where >> the C++11 flags are set. >> >> Best >> W. >> >> -- >> ------------------------------------------------------------------------ >> Wolfgang Bangerth email: bang...@colostate.edu >> www: http://www.math.colostate.edu/~bangerth/ >> > -- > 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/afdb75a3-90dc-49a7-b0b2-6217a40d77dcn%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. To unsubscribe from this group and stop receiving emails from it, send an email to dealii+unsubscr...@googlegroups.com. To view this discussion on the web visit https://groups.google.com/d/msgid/dealii/CAGVt9eOez%3DSkPDvQphGvqP%2Bi5WFYeKz7oNNrsNXMc--d37ts%3DQ%40mail.gmail.com.
