C11 threads: do not require PTHREAD_DESTRUCTOR_ITERATIONS

It is optional in POSIX.

Reviewed-by: Adhemerval Zanella <adhemerval.zanella@linaro.org>

diff --git a/nptl/tss_create.c b/nptl/tss_create.c
index ea1f2e0fba137eb9c1489979d475621d3afd299e..4e170dd4fcae914d391165d70a6567e18585c82f 100644 (file)
--- a/nptl/tss_create.c
+++ b/nptl/tss_create.c
@@ -23,8 +23,10 @@ tss_create (tss_t *tss_id, tss_dtor_t destructor)
 {
   _Static_assert (sizeof (tss_t) == sizeof (pthread_key_t),
                  "sizeof (tss_t) != sizeof (pthread_key_t)");
+#ifdef PTHREAD_DESTRUCTOR_ITERATIONS
   _Static_assert (TSS_DTOR_ITERATIONS == PTHREAD_DESTRUCTOR_ITERATIONS,
                  "TSS_DTOR_ITERATIONS != PTHREAD_DESTRUCTOR_ITERATIONS");
+#endif
 
   int err_code = __pthread_key_create (tss_id, destructor);
   return thrd_err_map (err_code);