`aux_source_directory ` can't find *.swift sources about swift-cmake-examples HOT 2 CLOSED

  std::vector<std::string> files;

  // Load all the files in the directory
  cmsys::Directory dir;
  if (dir.Load(tdir)) {
    size_t numfiles = dir.GetNumberOfFiles();
    for (size_t i = 0; i < numfiles; ++i) {
      std::string file = dir.GetFile(static_cast<unsigned long>(i));
      // Split the filename into base and extension
      std::string::size_type dotpos = file.rfind('.');
      if (dotpos != std::string::npos) {
        auto ext = cm::string_view(file).substr(dotpos + 1);
        // Process only source files
        auto* cm = mf.GetCMakeInstance();
        if (dotpos > 0 && cm->IsACLikeSourceExtension(ext)) {
          std::string fullname = cmStrCat(templateDirectory, '/', file);
          // add the file as a class file so
          // depends can be done
          cmSourceFile* sf = mf.GetOrCreateSource(fullname);
          sf->SetProperty("ABSTRACT", "0");
          files.push_back(std::move(fullname));
        }
      }
    }
  }

    // The "c" extension MUST precede the "C" extension.
    setupExts(this->CLikeSourceFileExtensions,
              { "c", "C", "c++", "cc", "cpp", "cxx", "cu", "mpp", "m", "M",
                "mm", "ixx", "cppm" });