1.The host requirement has written in guide:

2. If you have checked the error , all about pthread library compatible issue.
3.NXP can't control the tensorflow-lite-host-tools-native layer requirement, it needs glibc in Ubuntu20.04+. This is controlled by Google, this software is not maintained by NXP.
4. Each verison ofBSP, we all export SDK. The Ubuntu18.04 has lots of compatible issues when internal test.
5. Please refer the guide, update your Ubuntu version or use docker.