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-rw-r--r--arch/x32/ksigaction.h4
1 files changed, 3 insertions, 1 deletions
diff --git a/arch/x32/ksigaction.h b/arch/x32/ksigaction.h
index 7743c5c6..c40e3568 100644
--- a/arch/x32/ksigaction.h
+++ b/arch/x32/ksigaction.h
@@ -1,3 +1,5 @@
+#include <features.h>
+
 struct k_sigaction {
 	void (*handler)(int);
 	unsigned long flags;
@@ -5,5 +7,5 @@ struct k_sigaction {
 	unsigned mask[2];
 };
 
-void __restore_rt();
+hidden void __restore_rt();
 #define __restore __restore_rt