diff --git a/toolchain/uClibc/patches-0.9.29/300-fix-ppoll.diff b/toolchain/uClibc/patches-0.9.29/300-fix-ppoll.diff
new file mode 100644
index 000000000..125eb148e
--- /dev/null
+++ b/toolchain/uClibc/patches-0.9.29/300-fix-ppoll.diff
@@ -0,0 +1,39 @@
+
+It will match kernel's sigset_t starting from 0.9.31.
+
+Please try attached patch.
+-- 
+vda
+
+diff -d -urpN uClibc.0/libc/sysdeps/linux/common/ppoll.c uClibc.1/libc/sysdeps/linux/common/ppoll.c
+--- uClibc.0/libc/sysdeps/linux/common/ppoll.c
++++ uClibc.1/libc/sysdeps/linux/common/ppoll.c
+@@ -17,6 +17,7 @@
+    Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+    02111-1307 USA.  */
+ 
++#include <signal.h>
+ #include <sys/syscall.h>
+ #include <sys/poll.h>
+ 
+@@ -26,9 +27,9 @@
+ 
+ # define __NR___libc_ppoll __NR_ppoll
+ static inline
+-_syscall4(int, __libc_ppoll, struct pollfd *, fds,
++_syscall5(int, __libc_ppoll, struct pollfd *, fds,
+ 	nfds_t, nfds, const struct timespec *, timeout,
+-	const __sigset_t *, sigmask);
++	const __sigset_t *, sigmask, size_t, sigsetsize)
+ 
+ int
+ ppoll (struct pollfd *fds, nfds_t nfds, const struct timespec *timeout,
+@@ -43,7 +44,7 @@
+       timeout = &tval;
+     }
+ 
+-  return __libc_ppoll(fds, nfds, timeout, sigmask);
++  return __libc_ppoll(fds, nfds, timeout, sigmask, _NSIG / 8);
+ }
+ libc_hidden_def(ppoll)
+ 
diff --git a/toolchain/uClibc/patches-0.9.30.1/300-fix-ppoll.diff b/toolchain/uClibc/patches-0.9.30.1/300-fix-ppoll.diff
new file mode 100644
index 000000000..c2970daf6
--- /dev/null
+++ b/toolchain/uClibc/patches-0.9.30.1/300-fix-ppoll.diff
@@ -0,0 +1,38 @@
+
+It will match kernel's sigset_t starting from 0.9.31.
+
+Please try attached patch.
+-- 
+vda
+
+--- uClibc.0/libc/sysdeps/linux/common/ppoll.c
++++ uClibc.1/libc/sysdeps/linux/common/ppoll.c
+@@ -17,6 +17,7 @@
+    Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+    02111-1307 USA.  */
+ 
++#include <signal.h>
+ #include <sys/syscall.h>
+ #include <sys/poll.h>
+ 
+@@ -26,9 +27,9 @@
+ 
+ # define __NR___libc_ppoll __NR_ppoll
+ static __always_inline
+-_syscall4(int, __libc_ppoll, struct pollfd *, fds,
++_syscall5(int, __libc_ppoll, struct pollfd *, fds,
+ 	nfds_t, nfds, const struct timespec *, timeout,
+-	const __sigset_t *, sigmask)
++	const __sigset_t *, sigmask, size_t, sigsetsize)
+ 
+ int
+ ppoll (struct pollfd *fds, nfds_t nfds, const struct timespec *timeout,
+@@ -43,7 +44,7 @@
+       timeout = &tval;
+     }
+ 
+-  return __libc_ppoll(fds, nfds, timeout, sigmask);
++  return __libc_ppoll(fds, nfds, timeout, sigmask, _NSIG / 8);
+ }
+ libc_hidden_def(ppoll)
+