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-rw-r--r--include/stdc-predef.h3
1 files changed, 3 insertions, 0 deletions
diff --git a/include/stdc-predef.h b/include/stdc-predef.h
index ef10c16..146bc5c 100644
--- a/include/stdc-predef.h
+++ b/include/stdc-predef.h
@@ -33,4 +33,7 @@
/* wchar_t uses ISO 10646-1 (2nd ed., published 2000-09-15) / Unicode 3.1. */
#define __STDC_ISO_10646__ 200009L
+/* We do not support C11 <threads.h>. */
+#define __STDC_NO_THREADS__ 1
+
#endif