Issue #21500 has been updated by nagachika (Tomoyuki Chikanaga). I have created a backporting pull request along with [Bug #21496]. https://github.com/ruby/ruby/pull/13962 ---------------------------------------- Bug #21500: Backport gcc 15 support https://bugs.ruby-lang.org/issues/21500#change-114114 * Author: nobu (Nobuyoshi Nakada) * Status: Closed * Backport: 3.2: REQUIRED, 3.3: REQUIRED, 3.4: DONE ---------------------------------------- commit:b42afa1dbcb Suppress gcc 15 unterminated-string-initialization warnings commit:f1f0cc14cc7 Separate `__has_attribute` from `defined(__has_attribute)` commit:543e3a1896a Cast up `int` instruction code to `VALUE` commit:ed2806117a0 Do not let files depend on a phony target commit:46e4c867374 Detect `clock_gettime` and `clock_getres` for winpthreads -- https://bugs.ruby-lang.org/