diff --git a/Core/HLE/sceKernelTime.cpp b/Core/HLE/sceKernelTime.cpp
index 1ef8f7af92aa..91432dfe68a7 100644
--- a/Core/HLE/sceKernelTime.cpp
+++ b/Core/HLE/sceKernelTime.cpp
@@ -21,6 +21,7 @@
 #endif
 
 #include <time.h>
+#include <sys/time.h>
 
 #include "HLE.h"
 #include "../MIPS/MIPS.h"
diff --git a/ext/xbrz/xbrz.cpp b/ext/xbrz/xbrz.cpp
index 9012bfa7b6dc..fad126aaf4e0 100644
--- a/ext/xbrz/xbrz.cpp
+++ b/ext/xbrz/xbrz.cpp
@@ -17,6 +17,7 @@
 #include <cmath>
 #include <cassert>
 #include <algorithm>
+#include <limits>
 
 namespace
 {
@@ -32,7 +33,7 @@ inline unsigned char getBlue (uint32_t val) { return getByte<1>(val); }
 template <class T> inline
 T abs(T value)
 {
-    static_assert(std::is_signed<T>::value, "");
+	static_assert(std::numeric_limits<T>::is_signed, "abs performed on unsigned");
     return value < 0 ? -value : value;
 }