make error on macOS Catalina

[andynameistaken]

❯ cmake .
-- The C compiler identification is AppleClang 12.0.0.12000032
-- The CXX compiler identification is AppleClang 12.0.0.12000032
-- Detecting C compiler ABI info
-- Detecting C compiler ABI info - done
-- Check for working C compiler: /Library/Developer/CommandLineTools/usr/bin/cc - skipped
-- Detecting C compile features
-- Detecting C compile features - done
-- Detecting CXX compiler ABI info
-- Detecting CXX compiler ABI info - done
-- Check for working CXX compiler: /Library/Developer/CommandLineTools/usr/bin/c++ - skipped
-- Detecting CXX compile features
-- Detecting CXX compile features - done
-- Looking for pthread.h
-- Looking for pthread.h - found
-- Performing Test CMAKE_HAVE_LIBC_PTHREAD
-- Performing Test CMAKE_HAVE_LIBC_PTHREAD - Success
-- Found Threads: TRUE
-- Found LATEX: /Library/TeX/texbin/latex  found components: XELATEX
-- Configuring done
-- Generating done
-- Build files have been written to: /Users/andy/git/umdoc
❯ make .
❯ make
[  1%] Building CXX object Ext/libnstd/src/CMakeFiles/nstd.dir/Callback.cpp.o
In file included from /Users/andy/git/umdoc/Ext/libnstd/src/Callback.cpp:2:
In file included from /Users/andy/git/umdoc/Ext/libnstd/src/../include/nstd/Callback.hpp:4:
In file included from /Users/andy/git/umdoc/Ext/libnstd/src/../include/nstd/Map.hpp:4:
In file included from /Users/andy/git/umdoc/Ext/libnstd/src/../include/nstd/Debug.hpp:4:
/Users/andy/git/umdoc/Ext/libnstd/src/../include/nstd/Base.hpp:59:7: warning: 'operator new' is missing exception specification 'throw(std::bad_alloc)' [-Wmissing-exception-spec]
void* operator new(usize size);
      ^
                               throw(std::bad_alloc)
/Users/andy/git/umdoc/Ext/libnstd/src/../include/nstd/Base.hpp:60:7: warning: 'operator new[]' is missing exception specification 'throw(std::bad_alloc)' [-Wmissing-exception-spec]
void* operator new [](usize size);
      ^
                                  throw(std::bad_alloc)
/Users/andy/git/umdoc/Ext/libnstd/src/../include/nstd/Base.hpp:61:6: warning: 'operator delete' is missing exception specification 'throw()' [-Wmissing-exception-spec]
void operator delete(void* buffer);
     ^
                                   throw()
/Users/andy/git/umdoc/Ext/libnstd/src/../include/nstd/Base.hpp:62:6: warning: 'operator delete[]' is missing exception specification 'throw()' [-Wmissing-exception-spec]
void operator delete[](void* buffer);
     ^
                                     throw()
In file included from /Users/andy/git/umdoc/Ext/libnstd/src/Callback.cpp:2:
In file included from /Users/andy/git/umdoc/Ext/libnstd/src/../include/nstd/Callback.hpp:4:
In file included from /Users/andy/git/umdoc/Ext/libnstd/src/../include/nstd/Map.hpp:5:
/Users/andy/git/umdoc/Ext/libnstd/src/../include/nstd/Memory.hpp:27:16: warning: 'operator new' is missing exception specification 'throw(std::bad_alloc)' [-Wmissing-exception-spec]
  friend void* operator new(usize size);
               ^
                                        throw(std::bad_alloc)
/Users/andy/git/umdoc/Ext/libnstd/src/../include/nstd/Base.hpp:59:7: note: previous declaration is here
void* operator new(usize size);
      ^
In file included from /Users/andy/git/umdoc/Ext/libnstd/src/Callback.cpp:2:
In file included from /Users/andy/git/umdoc/Ext/libnstd/src/../include/nstd/Callback.hpp:4:
In file included from /Users/andy/git/umdoc/Ext/libnstd/src/../include/nstd/Map.hpp:5:
/Users/andy/git/umdoc/Ext/libnstd/src/../include/nstd/Memory.hpp:28:16: warning: 'operator new[]' is missing exception specification 'throw(std::bad_alloc)' [-Wmissing-exception-spec]
  friend void* operator new [](usize size);
               ^
                                           throw(std::bad_alloc)
/Users/andy/git/umdoc/Ext/libnstd/src/../include/nstd/Base.hpp:60:7: note: previous declaration is here
void* operator new [](usize size);
      ^
In file included from /Users/andy/git/umdoc/Ext/libnstd/src/Callback.cpp:2:
In file included from /Users/andy/git/umdoc/Ext/libnstd/src/../include/nstd/Callback.hpp:4:
In file included from /Users/andy/git/umdoc/Ext/libnstd/src/../include/nstd/Map.hpp:5:
/Users/andy/git/umdoc/Ext/libnstd/src/../include/nstd/Memory.hpp:29:15: warning: 'operator delete' is missing exception specification 'throw()' [-Wmissing-exception-spec]
  friend void operator delete(void* buffer);
              ^
                                            throw()
/Users/andy/git/umdoc/Ext/libnstd/src/../include/nstd/Base.hpp:61:6: note: previous declaration is here
void operator delete(void* buffer);
     ^
In file included from /Users/andy/git/umdoc/Ext/libnstd/src/Callback.cpp:2:
In file included from /Users/andy/git/umdoc/Ext/libnstd/src/../include/nstd/Callback.hpp:4:
In file included from /Users/andy/git/umdoc/Ext/libnstd/src/../include/nstd/Map.hpp:5:
/Users/andy/git/umdoc/Ext/libnstd/src/../include/nstd/Memory.hpp:30:15: warning: 'operator delete[]' is missing exception specification 'throw()' [-Wmissing-exception-spec]
  friend void operator delete[](void* buffer);
              ^
                                              throw()
/Users/andy/git/umdoc/Ext/libnstd/src/../include/nstd/Base.hpp:62:6: note: previous declaration is here
void operator delete[](void* buffer);
     ^
8 warnings generated.
[  3%] Building CXX object Ext/libnstd/src/CMakeFiles/nstd.dir/Console.cpp.o
/Users/andy/git/umdoc/Ext/libnstd/src/Console.cpp:15:10: fatal error: 'sys/eventfd.h' file not found
#include <sys/eventfd.h>
         ^~~~~~~~~~~~~~~
1 error generated.
make[2]: *** [Ext/libnstd/src/CMakeFiles/nstd.dir/Console.cpp.o] Error 1
make[1]: *** [Ext/libnstd/src/CMakeFiles/nstd.dir/all] Error 2
make: *** [all] Error 2

[craflin]

Yes, MacOS is not one of the supported platforms. Unfortunately, I cannot help you with that since I don't own a Mac and I don't want to look into cross compilers etc.