Member Avatar for MasterHacker110

Ok what I mean is if i build say a client and server side (network) program in c++ on linux. Will i be able to run it on windows?

i know that linux creates .o files and those are executed. were windows create .exe files and thos are executed. I am actualy wondering if the libraries would work. windows you would use the wsocks2.h and linux you use sys/sock.h.

They are differint so would i work or not?

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  • Latest Post Latest Post by deceptikon

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asked whether a C++ network client/server built on one OS will run on the other. is right that you can’t just take a binary produced for one platform and expect it to run unchanged on the other. There are two practical paths: write portable code and build a native binary for each target, or run the program under a compatibility/virtualization layer.

Make the networking layer portable. Use a cross-platform networking library (for example Boost.Asio, POCO, QtNetwork or libuv) so most of your code is identical across builds. If you must use native APIs, isolate those calls behind a small interface and keep the platform-specific bits in separate source files guarded by simple macros. That keeps most of your logic platform-neutral and confines differences to a few small places.

Choose a build/test workflow that produces native artifacts for each OS. Use a build system (CMake works well) to generate platform-appropriate projects or Makefiles. On Windows build with a native toolchain (Visual Studio or MinGW-w64), on Linux build with GCC/Clang. Automate both builds in CI so regressions are caught early. Common pitfalls to watch for: missing runtime libraries on the target, different error codes/APIs, path and newline differences, and C++ ABI issues between compilers—so always build and link third-party libraries for the platform you’re shipping.

Simple pattern to isolate platform code:

#ifdef _WIN32
void platform_init() { /* windows-specific init */ }
#else
void platform_init() { /* unix-like init */ }
#endif

Recommended approach: keep network logic library-neutral, compile for each OS, and run platform-specific tests. If a single-file distribution is required, consider packaging installers for each target rather than trying to reuse a binary across OSes.

Member Avatar for deceptikon

It wouldn't work without an emulation layer or cross compiling with a Windows target. The format of object code files is different between Linux and Windows.

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