Here is the g++ version: $ g++ --version g++ (Ubuntu 11.4.0-1ubuntu1~22.04) 11.4.0 Copyright (C) 2021 Free Software Foundation, Inc. This is free software; see the source for copying conditions. There is NO warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
On Mon, Jul 1, 2024 at 2:31 PM Albaro Pereyra <albaropereyr...@gmail.com> wrote: > it looks like the standard is c++ 20. I am still getting the following > error message: > /usr/bin/cmake -S/home/albaro/drogon-assist > -B/home/albaro/drogon-assist/build --check-build-system > CMakeFiles/Makefile.cmake 0 > /usr/bin/cmake -E cmake_progress_start > /home/albaro/drogon-assist/build/CMakeFiles > /home/albaro/drogon-assist/build//CMakeFiles/progress.marks > make -f CMakeFiles/Makefile2 all > make[1]: Entering directory '/home/albaro/drogon-assist/build' > make -f CMakeFiles/drogon_assist.dir/build.make > CMakeFiles/drogon_assist.dir/depend > make[2]: Entering directory '/home/albaro/drogon-assist/build' > cd /home/albaro/drogon-assist/build && /usr/bin/cmake -E cmake_depends > "Unix Makefiles" /home/albaro/drogon-assist /home/albaro/drogon-assist > /home/albaro/drogon-assist/build /home/albaro/drogon-assist/build > /home/albaro/drogon-assist/build/CMakeFiles/drogon_assist.dir/DependInfo.cmake > --color= > Dependencies file > "CMakeFiles/drogon_assist.dir/drogon/assist/passwdhash.cpp.o.d" is newer > than depends file > "/home/albaro/drogon-assist/build/CMakeFiles/drogon_assist.dir/compiler_depend.internal". > Consolidate compiler generated dependencies of target drogon_assist > make[2]: Leaving directory '/home/albaro/drogon-assist/build' > make -f CMakeFiles/drogon_assist.dir/build.make > CMakeFiles/drogon_assist.dir/build > make[2]: Entering directory '/home/albaro/drogon-assist/build' > [ 11%] Building CXX object > CMakeFiles/drogon_assist.dir/drogon/assist/passwdhash.cpp.o > /usr/bin/c++ -DHAS_YAML_CPP -I/usr/include/botan-2 > -I/home/albaro/drogon-assist/. -std=gnu++20 -MD -MT > CMakeFiles/drogon_assist.dir/drogon/assist/passwdhash.cpp.o -MF > CMakeFiles/drogon_assist.dir/drogon/assist/passwdhash.cpp.o.d -o > CMakeFiles/drogon_assist.dir/drogon/assist/passwdhash.cpp.o -c > /home/albaro/drogon-assist/drogon/assist/passwdhash.cpp > /home/albaro/drogon-assist/drogon/assist/passwdhash.cpp: In function > ‘std::string drassist::secureRandomString(size_t)’: > /home/albaro/drogon-assist/drogon/assist/passwdhash.cpp:20:15: error: > ‘string_view’ does not name a type > 20 | const string_view alphabet = > "1234567890ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz"; > | ^~~~~~~~~~~ > /home/albaro/drogon-assist/drogon/assist/passwdhash.cpp:24:22: error: > ‘alphabet’ was not declared in this scope > 24 | ch = alphabet[secureRandom(0, alphabet.size())]; > | ^~~~~~~~ > make[2]: *** [CMakeFiles/drogon_assist.dir/build.make:76: > CMakeFiles/drogon_assist.dir/drogon/assist/passwdhash.cpp.o] Error 1 > make[2]: Leaving directory '/home/albaro/drogon-assist/build' > make[1]: *** [CMakeFiles/Makefile2:83: CMakeFiles/drogon_assist.dir/all] > Error 2 > make[1]: Leaving directory '/home/albaro/drogon-assist/build' > make: *** [Makefile:136: all] Error 2 > > Thanks for pointing me in the right direction there might be a problem > with gcc. > > On Mon, Jul 1, 2024 at 2:07 PM Paul Smith <psm...@gnu.org> wrote: > >> On Mon, 2024-07-01 at 13:51 -0700, Albaro Pereyra wrote: >> > Thanks for reaching out. I have reached out to the maintainers of >> > drogon-assist. They said it was out of their scope to diagnose the >> > issue with my make. Basically saying it works on their computer and >> > don't know why it doesn't work on mine. Is there a make discord >> > channel where they can offer programming help. I think I found a bug >> > in WSL2 using the default which is Ubuntu. Basically it's not >> > recognizing the c++ standard and therefore fails to compile. I will >> > copy and paste next time. I just like how my terminal looks after >> > installing oh-my-zsh. >> >> I'm sure it's very lovely to look at, but I can't read that screenshot >> in my mail client so I have no idea what error messages you're seeing. >> >> If the problem is that the compiler options you specified with cmake >> -DCMAKE_CXX_STANDARD=20 are not taking effect, then that's an issue >> with either cmake or the CMakeFiles.txt that are provided with drogon- >> assist (cmake generates makefiles, so if there's something wrong with >> the makefiles that cmake generates there's nothing make can do about >> that). >> >> I recommend you run "make VERBOSE=1" so that you can see the actual >> compile line that make is running and find out what arguments are being >> passed to the compiler (note, the "VERBOSE=1" option is a feature of >> cmake, not make: the makefiles cmake generates will show more details >> when you set that variable). >> >> Then ensure that you see the desired -std=c++20 compiler option, for >> example, which tells the compiler to use the C++20 standard. >> >> When reporting problems to whomever, you should also include the >> version of cmake you're using (run cmake --version) and the version of >> the compiler you're using (run g++ --version). >> >> However, none of the issues with the code, with the compiler, or with >> cmake are anything that GNU Make can control. It just runs the >> makefiles it was given and invokes the tools it was told to invoke... >> >
