Method JoinDefines

Source/cmLocalGenerator.cxx:3918–3966

}

void cmLocalGenerator::JoinDefines(std::set<std::string> const& defines,
                                   std::string& definesString,
                                   std::string const& lang)
{
  // Lookup the define flag for the current language.
  std::string dflag = "-D";
  if (!lang.empty()) {
    cmValue df =
      this->Makefile->GetDefinition(cmStrCat("CMAKE_", lang, "_DEFINE_FLAG"));
    if (cmNonempty(df)) {
      dflag = *df;
    }
  }
  char const* itemSeparator = definesString.empty() ? "" : " ";
  for (std::string const& define : defines) {
    // Append the definition with proper escaping.
    std::string def = dflag;
    if (this->GetState()->UseWatcomWMake()) {
      // The Watcom compiler does its own command line parsing instead
      // of using the windows shell rules.  Definitions are one of
      //   -DNAME
      //   -DNAME=<cpp-token>
      //   -DNAME="c-string with spaces and other characters(?@#$)"
      //
      // Watcom will properly parse each of these cases from the
      // command line without any escapes.  However we still have to
      // get the '$' and '#' characters through WMake as '$$' and
      // '$#'.
      for (char c : define) {
        if (c == '$' || c == '#') {
          def += '$';
        }
        def += c;
      }
    } else {
      // Make the definition appear properly on the command line.  Use
      // -DNAME="value" instead of -D"NAME=value" for historical reasons.
      std::string::size_type eq = define.find('=');
      def += define.substr(0, eq);
      if (eq != std::string::npos) {
        def += "=";
        def += this->EscapeForShell(define.substr(eq + 1), true);
      }
    }
    definesString += itemSeparator;
    itemSeparator = " ";
    definesString += def;
  }
}

void cmLocalGenerator::AppendFeatureOptions(std::string& flags,
                                            std::string const& lang,