Build Nazara on macos up to Nazara_network (not included

src/Nazara/Core/Posix/FileImpl.hpp

@@ -16,6 +16,24 @@
 #include <ctime>
 #include <filesystem>
 
+#if defined(NAZARA_PLATFORM_MACOSX)
+	#define Stat stat
+	#define Fstat fstat
+	#define Off_t off_t
+	#define Lseek lseek
+	#define Open_def open
+	#define Ftruncate ftruncate
+#elif defined(NAZARA_PLATFORM_LINUX)
+	#define Stat stat64
+	#define Fstat fstat64
+	#define Off_t off64_t
+	#define Lseek lseek64
+	#define Open_def open64
+	#define Ftruncate ftruncate64
+#else
+    #error This operating system is not fully supported by the Nazara Engine
+#endif
+
 namespace Nz
 {
 	class File;