This tripped over gcc15 in c23 mode. Our pthreads mutexes (pthread_mutex_t) are typedef-ed to volatile struct pthread_mutex * so this should do the same.
-- :wq Claudio Index: patches/patch-threads_h =================================================================== RCS file: /cvs/ports/devel/libstdthreads/patches/patch-threads_h,v diff -u -p -r1.1 patch-threads_h --- patches/patch-threads_h 2 Sep 2024 16:39:12 -0000 1.1 +++ patches/patch-threads_h 30 Oct 2025 14:18:50 -0000 @@ -1,4 +1,5 @@ __has_extension support added in gcc >= 14 +Fixup mtx_t definition to mirror pthread_mutex_t Index: threads.h --- threads.h.orig @@ -14,3 +15,12 @@ Index: threads.h #if __has_extension(c_thread_safety_attributes) #define __lock_annotate(x) __attribute__((x)) #else +@@ -97,7 +101,7 @@ + */ + + typedef struct pthread_cond *cnd_t; +-typedef struct pthread_mutex *mtx_t; ++typedef volatile struct pthread_mutex *mtx_t; + typedef struct pthread *thrd_t; + typedef int tss_t; +
