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-rw-r--r--assert/assert.h6
-rw-r--r--sysdeps/pthread/threads.h4
2 files changed, 8 insertions, 2 deletions
diff --git a/assert/assert.h b/assert/assert.h
index 67f1cce5e9..b438d8eeb7 100644
--- a/assert/assert.h
+++ b/assert/assert.h
@@ -135,7 +135,11 @@ __END_DECLS
#endif /* NDEBUG. */
-#if defined __USE_ISOC11 && !defined __cplusplus
+#if (defined __USE_ISOC11 \
+ && (!defined __STDC_VERSION__ \
+ || __STDC_VERSION__ <= 201710L \
+ || !__GNUC_PREREQ (13, 0)) \
+ && !defined __cplusplus)
# undef static_assert
# define static_assert _Static_assert
#endif
diff --git a/sysdeps/pthread/threads.h b/sysdeps/pthread/threads.h
index 687b45c610..13c8f35768 100644
--- a/sysdeps/pthread/threads.h
+++ b/sysdeps/pthread/threads.h
@@ -27,7 +27,9 @@ __BEGIN_DECLS
#include <bits/thread-shared-types.h>
#include <bits/types/struct_timespec.h>
-#ifndef __cplusplus
+#if (!defined __STDC_VERSION__ \
+ || __STDC_VERSION__ <= 201710L \
+ || !__GNUC_PREREQ (13, 0)) && !defined __cplusplus
# define thread_local _Thread_local
#endif