4 files changed, 5 insertions, 1 deletions
diff --git a/sysdeps/unix/sysv/linux/sigtimedwait.c b/sysdeps/unix/sysv/linux/sigtimedwait.c
index a016b71ec7..34e986a6af 100644
--- a/sysdeps/unix/sysv/linux/sigtimedwait.c
+++ b/sysdeps/unix/sysv/linux/sigtimedwait.c
@@ -18,6 +18,7 @@
 
 #include <errno.h>
 #include <signal.h>
+#include <string.h>
 
 #include <sysdep-cancel.h>
 #include <sys/syscall.h>
diff --git a/sysdeps/unix/sysv/linux/sigwait.c b/sysdeps/unix/sysv/linux/sigwait.c
index 49371cfdfd..e92061d215 100644
--- a/sysdeps/unix/sysv/linux/sigwait.c
+++ b/sysdeps/unix/sysv/linux/sigwait.c
@@ -20,6 +20,7 @@
 #include <signal.h>
 #define __need_NULL
 #include <stddef.h>
+#include <string.h>
 
 #include <sysdep-cancel.h>
 #include <sys/syscall.h>
diff --git a/sysdeps/unix/sysv/linux/sigwaitinfo.c b/sysdeps/unix/sysv/linux/sigwaitinfo.c
index 56cf0c96bb..73c20d1115 100644
--- a/sysdeps/unix/sysv/linux/sigwaitinfo.c
+++ b/sysdeps/unix/sysv/linux/sigwaitinfo.c
@@ -20,6 +20,7 @@
 #include <signal.h>
 #define __need_NULL
 #include <stddef.h>
+#include <string.h>
 
 #include <sysdep-cancel.h>
 #include <sys/syscall.h>
diff --git a/sysdeps/unix/sysv/linux/sleep.c b/sysdeps/unix/sysv/linux/sleep.c
index ade9ff4116..d94e4f62fd 100644
--- a/sysdeps/unix/sysv/linux/sleep.c
+++ b/sysdeps/unix/sysv/linux/sleep.c
@@ -40,7 +40,8 @@ cl (void *arg)
 unsigned int
 __sleep (unsigned int seconds)
 {
-  const unsigned int max = ((unsigned long int) (~((time_t) 0))) >> 1;
+  const unsigned int max
+    = (unsigned int) (((unsigned long int) (~((time_t) 0))) >> 1);
   struct timespec ts;
   sigset_t set, oset;
   unsigned int result;