diff --git a/ndk/platforms/android-3/arch-arm/lib/libc.a b/ndk/platforms/android-3/arch-arm/lib/libc.a
index 1877053fc..67ff8189e 100644
Binary files a/ndk/platforms/android-3/arch-arm/lib/libc.a and b/ndk/platforms/android-3/arch-arm/lib/libc.a differ
diff --git a/ndk/platforms/android-3/include/sys/wait.h b/ndk/platforms/android-3/include/sys/wait.h
index a31b1cb37..e720c2c99 100644
--- a/ndk/platforms/android-3/include/sys/wait.h
+++ b/ndk/platforms/android-3/include/sys/wait.h
@@ -32,6 +32,9 @@
 #include <sys/types.h>
 #include <sys/resource.h>
 #include <linux/wait.h>
+#include <asm/unistd.h>
+#include <sys/syscall.h>
+
 
 __BEGIN_DECLS
 
@@ -47,6 +50,10 @@ __BEGIN_DECLS
 extern pid_t  wait(int *);
 extern pid_t  waitpid(pid_t, int *, int);
 extern pid_t  wait3(int *, int, struct rusage *);
+static __inline__ pid_t wait4(pid_t pid, int *status, int options, struct rusage *rusage)
+{
+  return (pid_t)syscall(__NR_wait4, pid, status, options, rusage);
+}
 
 __END_DECLS
 
diff --git a/ndk/platforms/android-9/arch-mips/lib/libc.a b/ndk/platforms/android-9/arch-mips/lib/libc.a
index d84d6b3d5..6a85a6de2 100644
Binary files a/ndk/platforms/android-9/arch-mips/lib/libc.a and b/ndk/platforms/android-9/arch-mips/lib/libc.a differ
diff --git a/ndk/platforms/android-9/include/sys/wait.h b/ndk/platforms/android-9/include/sys/wait.h
index c3b89f5a1..51e070b2b 100644
--- a/ndk/platforms/android-9/include/sys/wait.h
+++ b/ndk/platforms/android-9/include/sys/wait.h
@@ -33,6 +33,9 @@
 #include <sys/resource.h>
 #include <linux/wait.h>
 #include <signal.h>
+#include <asm/unistd.h>
+#include <sys/syscall.h>
+
 
 __BEGIN_DECLS
 
@@ -48,6 +51,10 @@ __BEGIN_DECLS
 extern pid_t  wait(int *);
 extern pid_t  waitpid(pid_t, int *, int);
 extern pid_t  wait3(int *, int, struct rusage *);
+static __inline__ pid_t wait4(pid_t pid, int *status, int options, struct rusage *rusage)
+{
+  return (pid_t)syscall(__NR_wait4, pid, status, options, rusage);
+}
 
 /* Posix states that idtype_t should be an enumeration type, but
  * the kernel headers define P_ALL, P_PID and P_PGID as constant macros