diff --git a/toolchain/uClibc/patches-0.9.31/904-pthread_errno_fix.patch b/toolchain/uClibc/patches-0.9.31/904-pthread_errno_fix.patch
new file mode 100644
index 000000000..543750c81
--- /dev/null
+++ b/toolchain/uClibc/patches-0.9.31/904-pthread_errno_fix.patch
@@ -0,0 +1,18 @@
+--- a/libpthread/linuxthreads.old/errno.c
++++ b/libpthread/linuxthreads.old/errno.c
+@@ -22,6 +22,7 @@
+ #include "internals.h"
+ #include <stdio.h>
+ 
++libpthread_hidden_proto(__errno_location)
+ int *
+ __errno_location (void)
+ {
+@@ -29,6 +30,7 @@ __errno_location (void)
+   return THREAD_GETMEM (self, p_errnop);
+ }
+ 
++libpthread_hidden_proto(__h_errno_location)
+ int *
+ __h_errno_location (void)
+ {