自己的PDK支持这个版本,或者以上版本,但是2019的版本和自己的系统不兼容2019的会报以下错误:
// Support for Calibre applications running on the RHEL 5 operating system
// is extremely limited with the Calibre 2019.1-2020.4 releases. Please
// contact Mentor Graphics Customer Support for the environment variable
// setting required to run this version of Calibre on RHEL 5.
// RHEL 5 support is fully discontinued as of the Calibre 2021.1 release.
// For more information, see:
// http://calibre.mentorcloudservic ... ibre_OS_Roadmap.htm
// To disable this message, use "setenv CALIBRE_DISABLE_RHEL5_WARNING 1"
//