code: function createConditionAttrib (targetConditions) {
      var arch = targetConditions.arch;
      if (arch) {
          if (arch === 'arm') {
              // Specifcally allow "arm" as alternative to "ARM"
              arch = 'ARM';
          } else if (arch !== 'x86' && arch !== 'x64' && arch !== 'ARM') {
              throw new Error('Invalid arch attribute (must be "x86", "x64" or "ARM"): ' + arch);
          }
          return "'$(Platform)'=='" + arch + "'";
      }
      return null;
  }
docs: /* Common support functions