Function preload_bundled_libraries

src/src/main.cpp:66–90

@brief Preload critical XRT libraries from the executable directory @details This ensures that dlopen() calls within libraries find the bundled versions @note Only on Linux/Unix; Windows handles DLL loading differently

///@details This ensures that dlopen() calls within libraries find the bundled versions
///@note Only on Linux/Unix; Windows handles DLL loading differently
void preload_bundled_libraries() {
    std::string exe_dir = utils::get_executable_directory();

    // When running inside a snap, LD_LIBRARY_PATH already points at the
    // bundled XRT libs (e.g. $SNAP/usr/lib/x86_64-linux-gnu).  Passing a
    // bare library name lets the dynamic linker resolve it via
    // LD_LIBRARY_PATH, which avoids hard-coding the arch triplet.
    // Outside of a snap the bundled libraries are expected to live in
    // lib/ relative to the executable.
    const char* snap_env = std::getenv("SNAP");
    std::string lib_prefix = snap_env && *snap_env ? "" : exe_dir + "/lib/";

    const std::vector<std::string> libraries = {
        "libxrt_core.so.2",           // Core - no dependencies
        "libxrt_coreutil.so.2",       // Depends on core
        "libxrt_driver_xdna.so.2",    // Driver
    };

    // Try to load the library with RTLD_GLOBAL so symbols are available to dependent libraries
    // Don't care about failures
    for (const auto& lib : libraries) {
        std::string lib_path = lib_prefix + lib;
        void* handle = dlopen(lib_path.c_str(), RTLD_LAZY | RTLD_GLOBAL);
    }
}
#endif