[LU-17850] use LINUXRELEASE instead of "uname -r" in lustre.spec.in

• Type: Bug
• Resolution: Fixed
• Priority: Minor
• Fix Version/s: Lustre 2.16.0, Lustre 2.15.5
• Affects Version/s: Lustre 2.16.0, Lustre 2.15.5
• Severity: 3
• Assignee: Jian Yu
• Reporter: Jian Yu

Description

In a container or chroot environment, "uname -r" reports the host instead of the target kernel version. We should use the LINUXRELEASE variable which is configured in config/lustre-build-linux.m4 with the value from UTS_RELEASE.