Markus B, Thank you very much sir..
Will check and update you this week. Thanks, Phani On Mon, Jul 6, 2020 at 1:10 PM Markus Blatt <markus.bl...@opm-op.com> wrote: > Hi, > > > On Mon, Jul 06, 2020 at 08:48:51AM +0530, Phani Narasimham wrote: > > Build of intersection.cpp in cppgrid is failing with integral_constant > > error. > > > > If i write a sample .cpp file using integral_constant the compiler > > succeeds and builds the executable. ( g++ sample.cpp) > > > > I am building opm on Ubuntu 16 and gcc 8.04 > > > > Where as building opm with make fails at intersection.cpp that > > integral_constant not known. > > > > This should of course work (at least for the releases) as we have prebuilt > packages for Ubuntu. But I am not sure which compiler is used for them. > > You are saying that you are using Ubuntu 16.04 with gcc-8.04. That means > that > you must be using a non-standard compiler for that system. What I am > wondering > is whether you specify the compiler to use to the build-system. If you do > not > do that, I would assume that the standard compiler gcc-4.5 will be used. > Maybe > that one does not support integral_constant in the standard location. > I would recommend to use the newest available package of the compiler > (ggc-5 > and g++-5 on xenial). > > You need to tell Cmake to use the correct compiler by calling it like this: > "cmake -DCMAKE_CXX_COMPILER=/path/to/g++/compiler > -DCMAKE_C_COMPILER=/path/to/gcc/compiler ..." > otherwise it will use gcc-4.5. > > If that does not help, please post your CMakeCache.txt file and the output > of > "make VERBOSE=1". Please also tell which version of OPM and DUNE you are > using. > > Please be aware that if you use e.g. a compiler not directly supported by > your > platform, it is recommend to also compile all the dependencies with that > compiler. > > Also note that the next release might not support Ubuntu 16.04 anymore. > > Cheers, > > Markus > > _______________________________________________ > Opm mailing list > Opm@opm-project.org > https://opm-project.org/cgi-bin/mailman/listinfo/opm > -- Phani _______________________________________________ Opm mailing list Opm@opm-project.org https://opm-project.org/cgi-bin/mailman/listinfo/opm