Как откомпилировать программу под linux

//------------------------------------------------------------------------------
#ifndef platform_h
#define platform_h
//------------------------------------------------------------------------------
//#define IS_LINUX
 
#ifdef IS_LINUX
 
#include <sys/types.h>
#include <sys/socket.h>
#include <netinet/in.h>
#include <arpa/inet.h>
#include <fcntl.h>
#include <unistd.h>
#include <pthread.h>
 
#define SOCKET int
#define INVALID_SOCKET -1
#define SOCKET_ERROR -1
#define closesocket close
#define SOCKADDR_IN sockaddr_in
#define SOCKADDR sockaddr
#define SD_BOTH 2
 
#else
 
#include <winsock2.h>
#include <WS2tcpip.h>
#include <windows.h>
 
#ifndef S_IFDIR
#define S_IFDIR  0x4000  /* directory */
#endif
 
#ifndef S_ISDIR
#define S_ISDIR(m)  ((m) & S_IFDIR)
#endif
 
#endif
//------------------------------------------------------------------------------
#ifdef IS_LINUX
 
void Sleep(unsigned long ms);
 
#endif
 
bool enable_nonblocking_mode(SOCKET s, const bool value);
//------------------------------------------------------------------------------
#endif //platform_h

//------------------------------------------------------------------------------
#include "platform.h"
//------------------------------------------------------------------------------
#include <stdio.h>
//------------------------------------------------------------------------------
#ifdef IS_LINUX
 
void Sleep(unsigned long ms)
{
    timespec tw = {ms / 1000UL, ms % 1000UL * 1000000UL};
    timespec tr;
    nanosleep(&tw, &tr);
}
 
#endif
 
bool enable_nonblocking_mode(SOCKET s, const bool value)
{
#ifdef IS_LINUX
    return fcntl(s, F_SETFL, value? O_NONBLOCK : O_RDWR) != -1;
#else
    unsigned long _value = value;
    return ioctlsocket(s, FIONBIO, &_value) != SOCKET_ERROR;
#endif
}

sf::Uint16 x = 10;
std::string s = "hello";
double d = 0.6;
 
sf::Packet packet;
packet << x << s << d;

tcpSocket.send(packet);

tcpSocket.receive(packet);

sf::Uint16 x;
std::string s;
double d;
 
packet >> x >> s >> d;