Function cmIncludeDirectoryCommand

Source/cmIncludeDirectoryCommand.cxx:22–78

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

bool cmIncludeDirectoryCommand(std::vector<std::string> const& args,
                               cmExecutionStatus& status)
{
  if (args.empty()) {
    return true;
  }

  cmMakefile& mf = status.GetMakefile();

  auto i = args.begin();

  bool before = mf.IsOn("CMAKE_INCLUDE_DIRECTORIES_BEFORE");
  bool system = false;

  if ((*i) == "BEFORE") {
    before = true;
    ++i;
  } else if ((*i) == "AFTER") {
    before = false;
    ++i;
  }

  std::vector<std::string> beforeIncludes;
  std::vector<std::string> afterIncludes;
  std::set<std::string> systemIncludes;

  for (; i != args.end(); ++i) {
    if (*i == "SYSTEM") {
      system = true;
      continue;
    }
    if (i->empty()) {
      status.SetError("given empty-string as include directory.");
      return false;
    }

    std::vector<std::string> includes;

    GetIncludes(mf, *i, includes);

    if (before) {
      cm::append(beforeIncludes, includes);
    } else {
      cm::append(afterIncludes, includes);
    }
    if (system) {
      systemIncludes.insert(includes.begin(), includes.end());
    }
  }
  std::reverse(beforeIncludes.begin(), beforeIncludes.end());

  mf.AddIncludeDirectories(afterIncludes);
  mf.AddIncludeDirectories(beforeIncludes, before);
  mf.AddSystemIncludeDirectories(systemIncludes);

  return true;
}