FAILED: CMakeFiles/example.dir/example.cpp.o
/usr/bin/c++  -I/home/lahwaacz/build/_deps/spy-src/include -O2 -g -DNDEBUG -std=c++20 -MD -MT CMakeFiles/example.dir/example.cpp.o -MF CMakeFiles/example.dir/example.cpp.o.d -fmodules-ts -fmodule-mapper=CMakeFiles/example.dir/example.cpp.o.modmap -MD -fdeps-format=p1689r5 -x c++ -o CMakeFiles/example.dir/example.cpp.o -c /home/lahwaacz/example.cpp
In file included from /home/lahwaacz/build/_deps/spy-src/include/spy/spy.hpp:45,
                 from /home/lahwaacz/example.cpp:2:
/home/lahwaacz/build/_deps/spy-src/include/spy/os.hpp: In instantiation of ‘OS& spy::_::operator<<(OS&, const os_info<OpSys>&) [with OS = std::__cxx11::basic_stringstream<char>; systems OpSys = spy::_::systems::linux_]’:
/home/lahwaacz/example.cpp:7:15:   required from here
    7 |   str << spy::operating_system      << std::endl;
      |               ^~~~~~~~~~~~~~~~
/home/lahwaacz/build/_deps/spy-src/include/spy/os.hpp:40:50: error: invalid initialization of reference of type ‘std::__cxx11::basic_stringstream<char>&’ from expression of type ‘std::basic_ostream<char>’
   40 |     if (OpSys == systems::android_) return os << "Android";
      |                                                  ^~~~~~~~~
/home/lahwaacz/build/_deps/spy-src/include/spy/os.hpp:41:46: error: invalid initialization of reference of type ‘std::__cxx11::basic_stringstream<char>&’ from expression of type ‘std::basic_ostream<char>’
   41 |     if (OpSys == systems::bsd_) return os << "BSD";
      |                                              ^~~~~
/home/lahwaacz/build/_deps/spy-src/include/spy/os.hpp:42:49: error: invalid initialization of reference of type ‘std::__cxx11::basic_stringstream<char>&’ from expression of type ‘std::basic_ostream<char>’
   42 |     if (OpSys == systems::cygwin_) return os << "Cygwin";
      |                                                 ^~~~~~~~
/home/lahwaacz/build/_deps/spy-src/include/spy/os.hpp:43:46: error: invalid initialization of reference of type ‘std::__cxx11::basic_stringstream<char>&’ from expression of type ‘std::basic_ostream<char>’
   43 |     if (OpSys == systems::ios_) return os << "iOs";
      |                                              ^~~~~
/home/lahwaacz/build/_deps/spy-src/include/spy/os.hpp:44:48: error: invalid initialization of reference of type ‘std::__cxx11::basic_stringstream<char>&’ from expression of type ‘std::basic_ostream<char>’
   44 |     if (OpSys == systems::linux_) return os << "Linux";
      |                                                ^~~~~~~
/home/lahwaacz/build/_deps/spy-src/include/spy/os.hpp:45:48: error: invalid initialization of reference of type ‘std::__cxx11::basic_stringstream<char>&’ from expression of type ‘std::basic_ostream<char>’
   45 |     if (OpSys == systems::macos_) return os << "MacOs";
      |                                                ^~~~~~~
/home/lahwaacz/build/_deps/spy-src/include/spy/os.hpp:46:47: error: invalid initialization of reference of type ‘std::__cxx11::basic_stringstream<char>&’ from expression of type ‘std::basic_ostream<char>’
   46 |     if (OpSys == systems::unix_) return os << "UNIX";
      |                                               ^~~~~~
/home/lahwaacz/build/_deps/spy-src/include/spy/os.hpp:47:50: error: invalid initialization of reference of type ‘std::__cxx11::basic_stringstream<char>&’ from expression of type ‘std::basic_ostream<char>’
   47 |     if (OpSys == systems::windows_) return os << "Windows";
      |                                                  ^~~~~~~~~
/home/lahwaacz/build/_deps/spy-src/include/spy/os.hpp:49:18: error: invalid initialization of reference of type ‘std::__cxx11::basic_stringstream<char>&’ from expression of type ‘std::basic_ostream<char>’
   49 |     return os << "Undefined Operating System";
      |                  ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
In file included from /home/lahwaacz/build/_deps/spy-src/include/spy/spy.hpp:41:
/home/lahwaacz/build/_deps/spy-src/include/spy/arch.hpp: In instantiation of ‘OS& spy::_::operator<<(OS&, const arch_info<Arch>&) [with OS = std::__cxx11::basic_stringstream<char>; archs Arch = spy::_::archs::amd64_]’:
/home/lahwaacz/example.cpp:8:15:   required from here
    8 |   str << spy::architecture          << std::endl;
      |               ^~~~~~~~~~~~
/home/lahwaacz/build/_deps/spy-src/include/spy/arch.hpp:33:45: error: invalid initialization of reference of type ‘std::__cxx11::basic_stringstream<char>&’ from expression of type ‘std::basic_ostream<char>’
   33 |       if (Arch == archs::x86_) return os << "X86";
      |                                             ^~~~~
/home/lahwaacz/build/_deps/spy-src/include/spy/arch.hpp:34:47: error: invalid initialization of reference of type ‘std::__cxx11::basic_stringstream<char>&’ from expression of type ‘std::basic_ostream<char>’
   34 |       if (Arch == archs::amd64_) return os << "AMD64";
      |                                               ^~~~~~~
/home/lahwaacz/build/_deps/spy-src/include/spy/arch.hpp:35:45: error: invalid initialization of reference of type ‘std::__cxx11::basic_stringstream<char>&’ from expression of type ‘std::basic_ostream<char>’
   35 |       if (Arch == archs::ppc_) return os << "PowerPC";
      |                                             ^~~~~~~~~
/home/lahwaacz/build/_deps/spy-src/include/spy/arch.hpp:36:45: error: invalid initialization of reference of type ‘std::__cxx11::basic_stringstream<char>&’ from expression of type ‘std::basic_ostream<char>’
   36 |       if (Arch == archs::arm_) return os << "ARM";
      |                                             ^~~~~
/home/lahwaacz/build/_deps/spy-src/include/spy/arch.hpp:37:46: error: invalid initialization of reference of type ‘std::__cxx11::basic_stringstream<char>&’ from expression of type ‘std::basic_ostream<char>’
   37 |       if (Arch == archs::wasm_) return os << "WebAssembly";
      |                                              ^~~~~~~~~~~~~
/home/lahwaacz/build/_deps/spy-src/include/spy/arch.hpp:38:47: error: invalid initialization of reference of type ‘std::__cxx11::basic_stringstream<char>&’ from expression of type ‘std::basic_ostream<char>’
   38 |       if (Arch == archs::riscv_) return os << "RISC-V";
      |                                               ^~~~~~~~
/home/lahwaacz/build/_deps/spy-src/include/spy/arch.hpp:40:20: error: invalid initialization of reference of type ‘std::__cxx11::basic_stringstream<char>&’ from expression of type ‘std::basic_ostream<char>’
   40 |       return os << "Undefined Architecture";
      |                    ^~~~~~~~~~~~~~~~~~~~~~~~
In file included from /home/lahwaacz/build/_deps/spy-src/include/spy/spy.hpp:42:
/home/lahwaacz/build/_deps/spy-src/include/spy/compiler.hpp: In instantiation of ‘OS& spy::_::operator<<(OS&, const compilers_info<C, M, N, P>&) [with OS = std::__cxx11::basic_stringstream<char>; compilers C = spy::_::compilers::gcc_; int M = 15; int N = 1; int P = 1]’:
/home/lahwaacz/example.cpp:10:15:   required from here
   10 |   str << spy::compiler              << std::endl;
      |               ^~~~~~~~
/home/lahwaacz/build/_deps/spy-src/include/spy/compiler.hpp:49:74: error: invalid initialization of reference of type ‘std::__cxx11::basic_stringstream<char>&’ from expression of type ‘std::basic_ostream<char>’
   49 |     if (C == compilers::nvcc_) return os << "NVIDIA CUDA Compiler " << c.version;
      |                                                                          ^~~~~~~
/home/lahwaacz/build/_deps/spy-src/include/spy/compiler.hpp:50:77: error: invalid initialization of reference of type ‘std::__cxx11::basic_stringstream<char>&’ from expression of type ‘std::basic_ostream<char>’
   50 |     if (C == compilers::msvc_) return os << "Microsoft Visual Studio " << c.version;
      |                                                                             ^~~~~~~
/home/lahwaacz/build/_deps/spy-src/include/spy/compiler.hpp:51:76: error: invalid initialization of reference of type ‘std::__cxx11::basic_stringstream<char>&’ from expression of type ‘std::basic_ostream<char>’
   51 |     if (C == compilers::intel_) return os << "Intel(R) C++ Compiler " << c.version;
      |                                                                            ^~~~~~~
/home/lahwaacz/build/_deps/spy-src/include/spy/compiler.hpp:52:89: error: invalid initialization of reference of type ‘std::__cxx11::basic_stringstream<char>&’ from expression of type ‘std::basic_ostream<char>’
   52 |     if (C == compilers::dpcpp_) return os << "Intel(R) oneAPI DPC++/C++ Compiler " << c.version;
      |                                                                                         ^~~~~~~
/home/lahwaacz/build/_deps/spy-src/include/spy/compiler.hpp:53:60: error: invalid initialization of reference of type ‘std::__cxx11::basic_stringstream<char>&’ from expression of type ‘std::basic_ostream<char>’
   53 |     if (C == compilers::clang_) return os << "clang " << c.version;
      |                                                            ^~~~~~~
/home/lahwaacz/build/_deps/spy-src/include/spy/compiler.hpp:54:56: error: invalid initialization of reference of type ‘std::__cxx11::basic_stringstream<char>&’ from expression of type ‘std::basic_ostream<char>’
   54 |     if (C == compilers::gcc_) return os << "g++ " << c.version;
      |                                                        ^~~~~~~
/home/lahwaacz/build/_deps/spy-src/include/spy/compiler.hpp:55:70: error: invalid initialization of reference of type ‘std::__cxx11::basic_stringstream<char>&’ from expression of type ‘std::basic_ostream<char>’
   55 |     if (C == compilers::emscripten_) return os << "Emscripten " << c.version;
      |                                                                      ^~~~~~~
/home/lahwaacz/build/_deps/spy-src/include/spy/compiler.hpp:57:36: error: invalid initialization of reference of type ‘std::__cxx11::basic_stringstream<char>&’ from expression of type ‘std::basic_ostream<char>’
   57 |     return os << "Undefined " << c.version;
      |                                    ^~~~~~~
In file included from /home/lahwaacz/build/_deps/spy-src/include/spy/spy.hpp:44:
/home/lahwaacz/build/_deps/spy-src/include/spy/libc.hpp: In instantiation of ‘OS& spy::_::operator<<(OS&, const libc_info<C, M, N, P>&) [with OS = std::__cxx11::basic_stringstream<char>; libC C = spy::_::libC::gnu_; int M = 2; int N = 41; int P = 0]’:
/home/lahwaacz/example.cpp:11:15:   required from here
   11 |   str << spy::libc                  << std::endl;
      |               ^~~~
/home/lahwaacz/build/_deps/spy-src/include/spy/libc.hpp:41:87: error: invalid initialization of reference of type ‘std::__cxx11::basic_stringstream<char>&’ from expression of type ‘std::basic_ostream<char>’
   41 |     if (c.vendor == libC::cloudabi_) return os << "CloudABI Standard C Library " << c.version;
      |                                                                                       ^~~~~~~
/home/lahwaacz/build/_deps/spy-src/include/spy/libc.hpp:42:79: error: invalid initialization of reference of type ‘std::__cxx11::basic_stringstream<char>&’ from expression of type ‘std::basic_ostream<char>’
   42 |     if (c.vendor == libC::uc_) return os << "uClibc Standard C Library " << c.version;
      |                                                                               ^~~~~~~
/home/lahwaacz/build/_deps/spy-src/include/spy/libc.hpp:43:77: error: invalid initialization of reference of type ‘std::__cxx11::basic_stringstream<char>&’ from expression of type ‘std::basic_ostream<char>’
   43 |     if (c.vendor == libC::vms_) return os << "VMS Standard C Library " << c.version;
      |                                                                             ^~~~~~~
/home/lahwaacz/build/_deps/spy-src/include/spy/libc.hpp:44:78: error: invalid initialization of reference of type ‘std::__cxx11::basic_stringstream<char>&’ from expression of type ‘std::basic_ostream<char>’
   44 |     if (c.vendor == libC::zos_) return os << "z/OS Standard C Library " << c.version;
      |                                                                              ^~~~~~~
/home/lahwaacz/build/_deps/spy-src/include/spy/libc.hpp:45:77: error: invalid initialization of reference of type ‘std::__cxx11::basic_stringstream<char>&’ from expression of type ‘std::basic_ostream<char>’
   45 |     if (c.vendor == libC::gnu_) return os << "GNU Standard C Library " << c.version;
      |                                                                             ^~~~~~~
/home/lahwaacz/build/_deps/spy-src/include/spy/libc.hpp:47:18: error: invalid initialization of reference of type ‘std::__cxx11::basic_stringstream<char>&’ from expression of type ‘std::basic_ostream<char>’
   47 |     return os << "Undefined Standard C Library";
      |                  ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
In file included from /home/lahwaacz/build/_deps/spy-src/include/spy/spy.hpp:48:
/home/lahwaacz/build/_deps/spy-src/include/spy/stdlib.hpp: In instantiation of ‘OS& spy::_::operator<<(OS&, const stdlib_info<SLib, M, N, P>&) [with OS = std::__cxx11::basic_stringstream<char>; stdlib SLib = spy::_::stdlib::gnucpp_; int M = 2025; int N = 4; int P = 25]’:
/home/lahwaacz/example.cpp:12:15:   required from here
   12 |   str << spy::stdlib                << std::endl;
      |               ^~~~~~
/home/lahwaacz/build/_deps/spy-src/include/spy/stdlib.hpp:41:83: error: invalid initialization of reference of type ‘std::__cxx11::basic_stringstream<char>&’ from expression of type ‘std::basic_ostream<char>’
   41 |     if (SLib == stdlib::libcpp_) return os << "libc++ Standard C++ Library " << p.version;
      |                                                                                   ^~~~~~~
/home/lahwaacz/build/_deps/spy-src/include/spy/stdlib.hpp:42:80: error: invalid initialization of reference of type ‘std::__cxx11::basic_stringstream<char>&’ from expression of type ‘std::basic_ostream<char>’
   42 |     if (SLib == stdlib::gnucpp_) return os << "GNU Standard C++ Library " << p.version;
      |                                                                                ^~~~~~~
/home/lahwaacz/build/_deps/spy-src/include/spy/stdlib.hpp:44:18: error: invalid initialization of reference of type ‘std::__cxx11::basic_stringstream<char>&’ from expression of type ‘std::basic_ostream<char>’
   44 |     return os << "Undefined Standard C++ Library";
      |                  ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ninja: build stopped: subcommand failed.