private void addMandatoryOptions(final Element rootElement) {
    if (!FlexCommonUtils.isRLMTemporaryBC(myBC)
        && !FlexCommonUtils.isRuntimeStyleSheetBC(myBC)
        && FlexCommonUtils.canHaveRLMsAndRuntimeStylesheets(myBC)
        && myBC.getRLMs().size() > 0) {
      addOption(rootElement, CompilerOptionInfo.LINK_REPORT_INFO, getLinkReportFilePath(myBC));
    }

    if (FlexCommonUtils.isRLMTemporaryBC(myBC) && !myBC.getOptimizeFor().isEmpty()) {
      final String customLinkReportPath = getCustomLinkReportPath(myBC);
      final String linkReportPath =
          StringUtil.notNullize(customLinkReportPath, getLinkReportFilePath(myBC));
      addOption(rootElement, CompilerOptionInfo.LOAD_EXTERNS_INFO, linkReportPath);
    }

    addOption(rootElement, CompilerOptionInfo.WARN_NO_CONSTRUCTOR_INFO, "false");
    if (myFlexmojos) return;

    final BuildConfigurationNature nature = myBC.getNature();
    final String targetPlayer =
        nature.isWebPlatform()
            ? myBC.getDependencies().getTargetPlayer()
            : FlexCommonUtils.getMaximumTargetPlayer(mySdk.getHomePath());
    addOption(rootElement, CompilerOptionInfo.TARGET_PLAYER_INFO, targetPlayer);

    if (FlexCommonUtils.isAirSdkWithoutFlex(mySdk)
        || StringUtil.compareVersionNumbers(mySdk.getVersionString(), "4.5") >= 0) {
      final String swfVersion;
      if (nature.isWebPlatform()) {
        swfVersion = FlexCommonUtils.getSwfVersionForTargetPlayer(targetPlayer);
      } else {
        String airVersion = getAirVersionIfCustomDescriptor(myBC);
        if (airVersion == null) {
          airVersion = FlexCommonUtils.getAirVersion(mySdk.getHomePath(), mySdk.getVersionString());
        }
        swfVersion =
            airVersion != null
                ? FlexCommonUtils.getSwfVersionForAirVersion(airVersion)
                : FlexCommonUtils.getSwfVersionForSdk_THE_WORST_WAY(mySdk.getVersionString());
      }

      addOption(rootElement, CompilerOptionInfo.SWF_VERSION_INFO, swfVersion);
    }

    if (nature.isMobilePlatform()) {
      addOption(rootElement, CompilerOptionInfo.MOBILE_INFO, "true");
      addOption(rootElement, CompilerOptionInfo.PRELOADER_INFO, "spark.preloaders.SplashScreen");
    }

    if (!FlexCommonUtils.isAirSdkWithoutFlex(mySdk)) {
      final String accessible =
          nature.isMobilePlatform()
              ? "false"
              : StringUtil.compareVersionNumbers(mySdk.getVersionString(), "4") >= 0
                  ? "true"
                  : "false";
      addOption(rootElement, CompilerOptionInfo.ACCESSIBLE_INFO, accessible);

      final String fontManagers =
          StringUtil.compareVersionNumbers(mySdk.getVersionString(), "4") >= 0
              ? "flash.fonts.JREFontManager"
                  + CompilerOptionInfo.LIST_ENTRIES_SEPARATOR
                  + "flash.fonts.BatikFontManager"
                  + CompilerOptionInfo.LIST_ENTRIES_SEPARATOR
                  + "flash.fonts.AFEFontManager"
                  + CompilerOptionInfo.LIST_ENTRIES_SEPARATOR
                  + "flash.fonts.CFFFontManager"
              : "flash.fonts.JREFontManager"
                  + CompilerOptionInfo.LIST_ENTRIES_SEPARATOR
                  + "flash.fonts.AFEFontManager"
                  + CompilerOptionInfo.LIST_ENTRIES_SEPARATOR
                  + "flash.fonts.BatikFontManager";
      addOption(rootElement, CompilerOptionInfo.FONT_MANAGERS_INFO, fontManagers);

      addOption(rootElement, CompilerOptionInfo.STATIC_RSLS_INFO, "false");
    }
  }