diff --git a/package/cc-tool/0001-add-missing-stdarg-include.patch b/package/cc-tool/0001-add-missing-stdarg-include.patch
new file mode 100644
index 0000000000..c4f47fd30c
--- /dev/null
+++ b/package/cc-tool/0001-add-missing-stdarg-include.patch
@@ -0,0 +1,18 @@
+Add missing <stdarg.h> include for va_list
+
+Fixes the build on uClibc.
+
+Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
+
+Index: b/src/common/log.h
+===================================================================
+--- a/src/common/log.h
++++ b/src/common/log.h
+@@ -13,6 +13,7 @@
+ 
+ #include <stdio.h>
+ #include <stdlib.h>
++#include <stdarg.h>
+ #include "common.h"
+ 
+ class Log