Function GetIncludes

Source/cmIncludeDirectoryCommand.cxx:92–113

do a lot of cleanup on the arguments because this is one place where folks sometimes take the output of a program and pass it directly into this command not thinking that a single argument could be filled with spaces and newlines etc like below: " /foo/bar /boo/hoo /dingle/berry " ideally that should be three separate arguments but when sucking the output from a program and passing it into a c

// always happen
//
static void GetIncludes(cmMakefile& mf, std::string const& arg,
                        std::vector<std::string>& incs)
{
  // break apart any line feed arguments
  std::string::size_type pos = 0;
  std::string::size_type lastPos = 0;
  while ((pos = arg.find('\n', lastPos)) != std::string::npos) {
    if (pos) {
      std::string inc = arg.substr(lastPos, pos);
      NormalizeInclude(mf, inc);
      if (!inc.empty()) {
        incs.push_back(std::move(inc));
      }
    }
    lastPos = pos + 1;
  }
  std::string inc = arg.substr(lastPos);
  NormalizeInclude(mf, inc);
  if (!inc.empty()) {
    incs.push_back(std::move(inc));
  }
}

static void NormalizeInclude(cmMakefile& mf, std::string& inc)
{