user@students:~/NetworksLab2018AU/messenger/linux_server# cmake .
-- The C compiler identification is GNU 7.3.0
-- The CXX compiler identification is GNU 7.3.0
-- Check for working C compiler: /usr/bin/cc
-- Check for working C compiler: /usr/bin/cc -- works
-- Detecting C compiler ABI info
-- Detecting C compiler ABI info - done
-- Detecting C compile features
-- Detecting C compile features - done
-- Check for working CXX compiler: /usr/bin/c++
-- Check for working CXX compiler: /usr/bin/c++ -- works
-- Detecting CXX compiler ABI info
-- Detecting CXX compiler ABI info - done
-- Detecting CXX compile features
-- Detecting CXX compile features - done
-- Configuring done
-- Generating done
-- Build files have been written to: /home/user/NetworksLab2018AU/messenger/linux_server
user@students:~/NetworksLab2018AU/messenger/linux_server# make
Scanning dependencies of target linux_server
[ 50%] Building CXX object CMakeFiles/linux_server.dir/main.cpp.o
In file included from /home/user/NetworksLab2018AU/messenger/linux_server/main.cpp:12:0:
/home/user/NetworksLab2018AU/messenger/linux_server/../linux_commons.cpp: In function ‘bool send_message(message&, int)’:
/home/user/NetworksLab2018AU/messenger/linux_server/../linux_commons.cpp:10:139: warning: format ‘%d’ expects argument of type ‘int’, but argument 4 has type ‘std::__cxx11::basic_string<char>::size_type {aka long unsigned int}’ [-Wformat=]
     snprintf(buffer, len + 1, "%03d%s%06d%s", msg.sender.length(), msg.sender.c_str(), msg.message_text.length(), msg.message_text.c_str());
                                               ~~~~~~~~~~~~~~~~~~~                                                                         ^
/home/user/NetworksLab2018AU/messenger/linux_server/../linux_commons.cpp:10:139: warning: format ‘%d’ expects argument of type ‘int’, but argument 6 has type ‘std::__cxx11::basic_string<char>::size_type {aka long unsigned int}’ [-Wformat=]
/home/user/NetworksLab2018AU/messenger/linux_server/../linux_commons.cpp:11:42: error: ‘SOCKET_ERROR’ was not declared in this scope
     return send(sock, buffer, len, 0) == SOCKET_ERROR;
                                          ^~~~~~~~~~~~
/home/user/NetworksLab2018AU/messenger/linux_server/../linux_commons.cpp:11:42: note: suggested alternative: ‘SO_ERROR’
     return send(sock, buffer, len, 0) == SOCKET_ERROR;
                                          ^~~~~~~~~~~~
                                          SO_ERROR
/home/user/NetworksLab2018AU/messenger/linux_server/main.cpp: In function ‘void* listener_for_messages(void*)’:
/home/user/NetworksLab2018AU/messenger/linux_server/main.cpp:47:5: error: ‘closesocket’ was not declared in this scope
     closesocket(sender);
     ^~~~~~~~~~~
/home/user/NetworksLab2018AU/messenger/linux_server/main.cpp:47:5: note: suggested alternative: ‘socket’
     closesocket(sender);
     ^~~~~~~~~~~
     socket
/home/user/NetworksLab2018AU/messenger/linux_server/main.cpp: In function ‘int main(int, char**)’:
/home/user/NetworksLab2018AU/messenger/linux_server/main.cpp:88:119: error: invalid conversion from ‘int*’ to ‘socklen_t* {aka unsigned int*}’ [-fpermissive]
         pthread_create(&thread, nullptr, listener_for_messages, new int(accept(sockfd, (struct sockaddr *) &cli_addr, &clilen)));
                                                                                                                       ^~~~~~~
In file included from /usr/include/netinet/in.h:23:0,
                 from /usr/include/netdb.h:27,
                 from /home/user/NetworksLab2018AU/messenger/linux_server/../linux_commons.cpp:1,
                 from /home/user/NetworksLab2018AU/messenger/linux_server/main.cpp:12:
/usr/include/x86_64-linux-gnu/sys/socket.h:232:12: note:   initializing argument 3 of ‘int accept(int, sockaddr*, socklen_t*)’
 extern int accept (int __fd, __SOCKADDR_ARG __addr,
            ^~~~~~
CMakeFiles/linux_server.dir/build.make:62: recipe for target 'CMakeFiles/linux_server.dir/main.cpp.o' failed
make[2]: *** [CMakeFiles/linux_server.dir/main.cpp.o] Error 1
CMakeFiles/Makefile2:67: recipe for target 'CMakeFiles/linux_server.dir/all' failed
make[1]: *** [CMakeFiles/linux_server.dir/all] Error 2
Makefile:83: recipe for target 'all' failed
make: *** [all] Error 2