[LU-12625] sometimes configure can't detect timespec64 with gcc8

• Type: Bug
• Resolution: Fixed
• Priority: Minor
• Fix Version/s: Lustre 2.13.0
• Severity: 3
• Assignee: Alex Zhuravlev
• Reporter: Alex Zhuravlev

Description

that's because struct inode is defined on stack and depending on kernel option can consume too much space:
configure:30832: checking if inode timestamps are struct timespec64
build/conftest.c: In function ‘main’:
build/conftest.c:226:1: error: the frame size of 1032 bytes is larger than 1024 bytes [-Werror=frame-larger-than=]