Bug #21500: Backport gcc 15 support

• Status: Closed
• Assignee: -
• Target version: -
• Backport: 3.2: REQUIRED, 3.3: REQUIRED, 3.4: REQUIRED

[nobu (Nobuyoshi Nakada)]

b42afa1dbcb Suppress gcc 15 unterminated-string-initialization warnings
f1f0cc14cc7 Separate __has_attribute from defined(__has_attribute)
543e3a1896a Cast up int instruction code to VALUE
ed2806117a0 Do not let files depend on a phony target
46e4c867374 Detect clock_gettime and clock_getres for winpthreads

[nobu (Nobuyoshi Nakada)]

• Tracker changed from Misc to Bug
• Backport set to 3.2: REQUIRED, 3.3: REQUIRED, 3.4: REQUIRED