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-rw-r--r--newlib/libc/include/sys/features.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/newlib/libc/include/sys/features.h b/newlib/libc/include/sys/features.h
index af31ce670..6754f1e9d 100644
--- a/newlib/libc/include/sys/features.h
+++ b/newlib/libc/include/sys/features.h
@@ -88,6 +88,7 @@ extern "C" {
# define _POSIX_THREAD_ATTR_STACKSIZE 1
# define _POSIX_SEMAPHORES 1
# define _POSIX_TIMERS 1
+# define _POSIX_MEMLOCK_RANGE 1
#endif
#ifdef __cplusplus