--- a/include/linux/signal.h~signal-remove-duplicate-include-in-signalh +++ a/include/linux/signal.h @@ -126,7 +126,6 @@ static inline int sigequalsets(const sig #define sigmask(sig) (1UL << ((sig) - 1)) #ifndef __HAVE_ARCH_SIG_SETOPS -#include <linux/string.h> #define _SIG_SET_BINOP(name, op) \ static inline void name(sigset_t *r, const sigset_t *a, const sigset_t *b) \