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-rw-r--r--include/sys/cdefs.h6
1 files changed, 6 insertions, 0 deletions
diff --git a/include/sys/cdefs.h b/include/sys/cdefs.h
index 8ba9804..cd0750b 100644
--- a/include/sys/cdefs.h
+++ b/include/sys/cdefs.h
@@ -2,6 +2,12 @@
#include <misc/sys/cdefs.h>
+/* The compiler will optimize based on the knowledge the parameter is
+ not NULL. This will omit tests. A robust implementation cannot allow
+ this so when compiling glibc itself we ignore this attribute. */
+#undef __nonnull
+#define __nonnull(params)
+
extern void __chk_fail (void) __attribute__ ((__noreturn__));
libc_hidden_proto (__chk_fail)
rtld_hidden_proto (__chk_fail)